Tait TP9100 Service Manual
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TP9100 portables
Service Manual
MPA-00005-01
Issue 1.00
May 2005

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Summary of Contents for Tait TP9100

  • Page 1 TP9100 portables Service Manual MPA-00005-01 Issue 1.00 May 2005...
  • Page 2: Tait Contact Information

    Website: http://www.taitworld.com To our European customers: Tait Electronics Limited is an environmentally responsible company which supports waste minimization and material recovery. The European Union’s Waste Electrical and Electronic Equipment Directive requires that this product be disposed of separately from the general waste stream when its service life is over.
  • Page 3: Table Of Contents

    Tait Contact Information ........
  • Page 4 TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 5: Preface

    “Tait Contact Information” on page Updates of Manual and Equipment In the interests of improving the performance, reliability or servicing of the equipment, Tait Electronics Ltd reserves the right to update the equipment or this manual or both without prior notice. TP9100 Service Manual...
  • Page 6: Copyright

    Copyright All information contained in this manual is the property of Tait Electronics Ltd. All rights are reserved. This manual may not, in whole or in part, be copied, photocopied, reproduced, translated, stored, or reduced to any electronic medium or machine-readable form, without prior written permission from Tait Electronics Ltd.
  • Page 7: Publication Record

    Analog-to-Digital Converter Automatic Gain Control Automatic Level Control APCO Association of Public Safety Communications Officials Accredited Service Center Bill of Materials C4FM Compatible Four-level Frequency Modulation CCTM Computer-controlled Test Mode CODEC Coder-Decoder TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 8 Internal Part Number Intermediate Frequency In-Phase and Quadrature International Service Center Liquid-Crystal Display Light-Emitting Diode Low-Noise Amplifier Local Oscillator Low-Pass Filter Negative-Positive-Negative Project 25 Power Amplifier Printed Circuit Board Phase-Locked Loop Positive-Negative-Positive TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 9 Software Feature Enabler Sub Miniature Version A Surface-Mount Device Surface-Mount Technology SMPS Switch-Mode Power Supply Serial Peripheral Interface TCXO Temperature-compensated Crystal Oscillator Tait Electronics Limited Voltage-Controlled Oscillator VCXO Voltage-Controlled Crystal Oscillator TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 10 TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 11: Chapter 1 Description Of The Radio

    TP9100 portables Chapter 1 Description of the Radio TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 12 3.9 Front-Panel Interface Circuitry ....... . 71 TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 13: Introduction

    Introduction The TP9100 series is a range of high-performance microprocessor- controlled portable radios for digital (APCO project 25-compatible), analog and mixed operation for voice and data communication. This manual includes the information required for servicing the radio and its accessories.
  • Page 14: Keypads

    The frequency bands are implemented by different main boards. Accessories Tait offers a large variety of audio accessories, antennas, a single battery charger, batteries, and other accessories such as carry cases. For more information on the serviceable accessories refer to...
  • Page 15: Product Codes

    B1=136 to 174MHz, H5=400 to 470MHz, H6=450 to 530MHz cc identifies any radio options. Accessories The product code of the accessories specific to the TP9100 portable radios have the format: TPA–xx-xxx Labels The following external labels are attached to the back of the radio (covered...
  • Page 16: Specifications

    Specifications Introduction Table 1.1 shows the specifications for the TP9100 radios. The parameter values quoted are minimum values. These specifications are valid for the date of publication only. For up-to-date specifications, refer to the area on the TaitWorld website reserved for TP9100 products.
  • Page 17 Audio distortion <3% Receive current (V =7.5V) • stand-by (analog mode) 89mA • stand-by (P25 digital mode) 90mA • stand-by (dual mode) 91mA • receiver active, 0.5W audio into 16ohms 270mA Introduction TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 18 (for radio operating frequencies below 500 MHz) • between 1 and 12.75GHz <−30dBm (for radio operating frequencies above 500MHz) Audio bandwidth 300Hz to 3kHz (flat or with pre-emphasis) Audio distortion <3% at 1kHz 60% modulation Introduction TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 19: Description

    The battery connects to the radio electrically by three contacts. For more information refer to “Connectors and Contacts” on page Description TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 20 For more infor- mation refer to “Spare Parts” on page 289. Two screws inserts inside the bottom of the front-panel assembly are provided to screw the chassis to the front-panel assembly. Description TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 21 Figure 2.1 Components of the radio Description TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 22 The top seal seals the area at the top of the chassis around the shafts of the power/volume potentiometer, the 16-way/3-way selector switch, and the antenna SMA connector against the front-panel assembly Description TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 23 The front-panel interface board also has LEDs for keypad illumination and an accelerometer for the man-down function. Note The main-shield assembly is identical for the 16-key radio and the 4-key radio. Description TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 24 Three spring-loaded battery pins on the main board protrude through the chassis and connect to the battery contacts. For more information on connectors and contacts, refer to “Connectors and Contacts” on page Description TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 25 The loom of the flexible accessory board is fed though a slot in the chassis and connects to the accessory connector at the top of the main board. The flexible accessory board is held in place and sealed by the rear-panel seal Description TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 26: User Interface

    Figure 2.2 shows the controls and indicators of the user interface. For more information refer to the TP9100 User’s Guide. Some keys have functions assigned to both short and long key presses. A short key press is less than one second, and a long key press is more than one second.
  • Page 27: Connectors And Contacts

    LCD assembly battery pins main board LCD connector front-panel interface board front-panel loom connector front-panel front-panel interface 3680z_01 loom connector Description TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 28 Table 2.3 Speaker pins and signals Pinout Signal Name Signal Type SPKR+ Analog audio SPKR– Analog audio view on main board Description TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 29 Audio lines can be programmed to tap into, or out of, different points in the audio processing chain. For more information refer to the online help of the programming application. Description TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 30: Hardware And Software Architecture

    The front-panel interface board includes the circuitry needed for the Interface Board controls and indicators on the front panel and the man-down function. For a block diagram of the front-panel interface board, refer to Figure 3.9 on page Description TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 31 Figure 2.4 Hardware architecture Description TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 32 FPGA Image FPGA Image RISC Processor Flash Memory Boot Code Boot Code Application Code Application Code Database DSP Code Custom Logic DSP Code Additional Digital Signal Processing SRAM Dynamic Memory Description TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 33 Tools > Options > Download command of the programming application. For more information, refer to the online help of the programming application and to the technical notes accompanying the software files. Description TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 34: Operation In Receive Mode

    Once a call has been established however, both sig- naling and voice information are transported. The signaling infor- mation continues throughout the call for the purpose of maintain- ing the call and possibly sending data information. Description TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 35 Figure 2.6 Transceiver operation in analog mode Description TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 36 Figure 2.7 Transceiver operation in digital mode Description TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 37 The AGC will begin to reduce gain when the combined signal power of the wanted signal and first adjacent channels is greater than about -70dBm. Description TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 38 The following items within the receiver path are factory-calibrated: front-end tuning noise squelch RSSI Information on the calibration of these items is given in the online help facility of the calibration application. Description TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 39 Description TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 40 The power delivered to each speaker is limited by its impedance. The internal speaker has 16Ω impedance whereas the external speaker can be higher than this. Description TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 41: Operation In Transmit Mode

    Once a call has been established however, both sig- naling and voice information are transported. The signaling infor- mation continues throughout the call for the purpose of maintain- ing the call and possibly sending data information. Description TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 42 (max. 12) and a voiced/unvoiced decision is made for each band. It also estimates the pitch of the segment of speech and determines the spectral amplitudes of the voiced frequency bands. Description TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 43 RF carrier. Four possible symbols can be transmitted. They are passed through a shaping filter defined by the APCO standard which limits the spectral occupancy on air. The four symbols are transmitted at pre-defined frequency deviations from the carrier. Description TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 44 VCO frequency and reduce the initial error. The loop eventually settles to a point that minimizes the phase error between divided down reference and VCO frequencies. The net result is that the loop “locks” to a programmed multiple of the reference frequency. Description TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 45 The frequency-acquisition process of the FCL and RF PLL is able to occur concurrently with minimal loop interaction owing to the very large difference in frequency step size between the loops. Description TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 46 The PIN switch toggles the antenna path between the receiver and Amplifier transmitter in receive and transmit modes respectively. Finally, the output is low-pass-filtered to bring harmonic levels within specification. Description TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 47 (adjacent channel power). A typical ramping waveform is shown in Figure 2.8. Figure 2.8 Typical ramping waveforms Power Bias Power Power Bias ramp ramp ramp ramp High power power Time Description TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 48 Tx or Rx circuitry of the radio. In addition to the switching functionality, the PIN switch is used to provide attenuation to the Rx front end in high signal-strength locations. Description TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 49: Circuit Descriptions

    For up-to-date schematics refer to the relevant PCB information. Circuit Descriptions TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 50 Figure 3.1 Hardware architecture Circuit Descriptions TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 51: Transmitter Circuitry

    For added protection, a temperature sensor ensures that the transmitter power is reduced to very low levels should a temperature threshold be exceeded. If the temperature does not decrease, the transmitter is switched off. Circuit Descriptions TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 52 Figure 3.2 Block diagram of the transmitter circuitry Circuit Descriptions TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 53: Receiver Circuitry

    Demodulation takes place within the DSP. Raw demodulated audio can be tapped out from the DSP for use with an external modem. The modem may be connected to the accessory connector. Circuit Descriptions TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 54 Figure 3.3 Block diagram of the receiver circuitry Circuit Descriptions TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 55 RSSI (over the signal level and frequency), it is necessary to calibrate the AGC characteristic of the receiver and the front-end gain versus the receive frequency. Circuit Descriptions TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 56: Frequency Synthesizer Circuitry

    25kHz reference frequency to give any desired frequency that is an integer multiple of 25kHz. There are some constraints imposed by the capabilities of the synthesizer hardware, especially the tuning range of the VCOs. Circuit Descriptions TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 57 Figure 3.4 Block diagram of the frequency synthesizer circuitry Circuit Descriptions TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 58 The resistors and capacitors of the filter affect both the switching time and the stability of the synthesizer; the values of these components have been carefully selected to give optimum control characteristics. Circuit Descriptions TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 59 1MHz or 10MHz in less than 4.5ms. The ramp-up and ramp-down of the transmitter further extends this change-over time from 5.7ms (high power) to 6.3ms (low power). Circuit Descriptions TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 60: Frequency Control Loop

    VCXO is frequency modulated directly by the relevant modulation information. The latter may be the microphone audio, an audio tap-in signal, internal modem signals, or any combination of these. Circuit Descriptions TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 61: Codec And Audio Circuitry

    The sections of the circuitry concerned with these functions are described below. Circuit Descriptions TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 62 Figure 3.5 Block diagram of the CODEC and audio circuitry Circuit Descriptions TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 63 ACC AUD TAP IN Input input of IC205. R241 combined with internal clamping diodes in IC205 provide DC protection for the ADC input. IC205 provides the input biasing of approximately 1.5 V. Circuit Descriptions TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 64 IC204 and is approximately 1.2V when operational. The offset at is approximately 1.2V owing to CDC AUD TAP OUT the gain of the buffer amplifier. Circuit Descriptions TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 65: Power Supply Circuitry

    PSU SYS RST section, which in turn provides the watchdog signal required by DIG WD KICK the PSU supervisor. Circuit Descriptions TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 66 V AN off/on cycling V AN off/on cycling V RX Audio PA off/on cycling a. Receiving and audio PA on. b. Receiving and audio PA off. c. Only if programmed Circuit Descriptions TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 67 DIG PSU LATCH Circuitry Signal Types: Debug +3V3 analog Connectors clock digital asynchronous +3V0 AN serial data +7V5 SW synchronous +3V3 serial data Interfaces +7V5 BATT +7V5 LINK AGND Circuit Descriptions TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 68: Interfaces Circuitry

    ACC_PTT input allowing the radio software to determine which button has been pressed. A voltage divider created by R904 and R931 ensure that the voltage on the ADC input pin of IC204 does not exceed 1.2V. Circuit Descriptions TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 69 SUI DIG EMERG LED 2 (green) Function SUI DIG FUNC1 Key 1 Signal Types: digital Function SUI DIG FUNC2 analog asynchronous serial data Key 2 synchronous serial data clock Circuit Descriptions TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 70 FPGA. A key-press will generate a high-to-low transition on the associated signal. This, in turn, will initiate a sequence of high output levels on the signals to identify which key was pressed. Circuit Descriptions TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 71: Digital Circuitry

    For a block diagram of the front-panel interface circuitry, refer to Figure 3.9. The front-panel interface circuitry is not serviceable at level-2 and is not described in this manual. Circuit Descriptions TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 72 FPGA JTAG TDO DSP JTAG TDO DSP JTAG EMU1 analog JTAG FPGA TDI JTAG DSP TDI +3V3 clock digital DGND DGND Debug Connector Debug Connector asynchronous serial data synchronous serial data Circuit Descriptions TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 73 Interface Connector Front-Panel Connector Interface Board Back Lighting FPI BL+ DIG FPI LE DIG FPI SPI CLK DIG FPI SPI DO DIG FPI CD DIG DSP SYS RST AGND Circuit Descriptions TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 74 Circuit Descriptions TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 75: Chapter 2 Servicing The Radio

    TP9100 portables Chapter 2 Servicing the Radio TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 76 11.6 High Receiver Distortion ........266 TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 77 13.2 Spares Kits ..........293 TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 78 TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 79: General Information

    Repair Levels and Website Access Repair Levels This manual covers level-1 and level-2 repairs of TP9100 radios. Level-1 repairs comprise the replacement of main boards and other parts of the radio, including replacements of the non-SMT components:...
  • Page 80 Tait-only technical notes relate to the firmware. The PCB information packs are discussed in more detail below. Table 4.1 Items relating to TP9100 radios that are available on the Technical Support website Public Associate Tait-only...
  • Page 81 Tait FOCUS An additional source of information to service centers is the Tait FOCUS Database call-logging database. (This is accessible on the Technical Support website also.) All Customer-related technical issues regarding the radios are recorded on this database. These issues may be raised by both Customers and service centers.
  • Page 82 Item TOPA-SV-006 RF cable TPA-SV-005 Battery eliminator (power supply adaptor) TPA-SV-007 Programming cable adapter(RJ12 socket to TP9100) TPA-SV-011 Calibration cable (DB15 socket to TP9100) TPA-SV-006 Programming cable (DB9 socket to RJ12 plug) T950-001 USB to serial adapter (USB1.1 to serial DB9 pin)
  • Page 83 Customer’s authority to operate the radio. Sealing of Radio To maintain the sealing of the radio to IP54 standards, ensure that all seals are fitted correctly when reassembling the radio. General Information TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 84 These benches have a dissipative rubber bench top, a conductive wrist strap, and a connection to the building earth. The material of the bench top must satisfy not only anti-static requirements but also the non-scratch requirements mentioned above. General Information TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 85 The frequency ranges 156.8MHz±375kHz, 243MHz±5kHz, and 406.0 to 406.1MHz are reserved worldwide for use by distress beacons. Do not program transmitters to operate in any of these frequency bands. General Information TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 86 This switch functions in the same way as the PTT switch on the radio. Service CD Install the programming and calibration applications on the test PC. These applications are included on the service CD supplied with the service kit. General Information TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 87 / SINAD connector (BNC) radio connector Oscilloscope (DB15) antenna AC input connector (SMA) (BNC) TPA-SV-011 cable TP9100 radio TOPA-SV-006 cable DC power supply TPA-SV-005 battery eliminator banana plugs General Information TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 88 CSO or, in the case of a CSO, from TEL. Always ensure that the replacement component has the identical specification to that given in the BOM. It is particularly important for the tolerances to be the same. General Information TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 89 PA EX TOP REG 5V REG 3V3 VCO TOP CDC TOP CDC BOT VCO BOT SYN TOP SYN BOT DIG TOP DIG BOT FCL TOP VCXO BOT front-panel interface connector ([PL2] General Information TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 90 Figure 4.4 on page 90 shows the locations of the components. Figure 4.4 Locations of the inductors L601 and L602 (top side) B1 board (H5 and H6 similar) General Information TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 91 If the character% is accepted, the character – is displayed in response, and the message Test Mode appears on the radio display. This implies that the radio has entered CCTM. If the attempt fails, repeat Steps 1 to 3. General Information TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 92 (such as r1) and y the tap type AUD TAP OUT (C=bypass out, D=split, E=splice) (the default is D when y is omitted) Note: only the above tap out point is valid in P25 digital mode. General Information TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 93 System Error Number: x error and the associated data where x is the hexidecimal error number and y is associated data such as a firmware file and line reference. General Information TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 94 378 – Receiver output level Reads the signal power at the where x is the signal power in dB output of the channel filter (the square of the amplitude) General Information TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 95 PA the front panel and y is the temperate near the PA. To convert ° C, use this formula: temp = (x or y/-2.37)+160 General Information TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 96 (0=analog FM digital P25) mode, 1=digital P25 mode) none 714 - Transmit P25 test pattern 714 4 Transmits a 1011Hz audio tone test pattern General Information TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 97 The supply voltage is less than the V1 threshold. The supply voltage is less than the V2 threshold and the radio has powered itself down. The radio will not respond to the reset command character ^. General Information TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 98 LED flashes The monitor or squelch override has been activated Amber Scanning LED flashes The radio has detected activity on a certain channel and scanning has halted on this channel General Information TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 99 LCD will usually display Out of Lock. Continuous low-pitched While powered up — System error has occurred and radio might be inoperable; tone LCD usually displays E1 or E2. General Information TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 100 General Information TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 101: Disassembly And Reassembly

    Inspect all disassembled parts for damage and replace them, if necessary. Observe the torque settings indicated in the relevant figures. For information on spare parts, refer to “Spare Parts” on page 289. Disassembly and Reassembly TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 102: Removing And Fitting The Battery

    Insert the lugs at the bottom of the battery into the holes at the bot- tom of the radio. Push the top of the battery towards the radio until the catch mechanism snaps in. Figure 5.1 Removing the battery from the radio Disassembly and Reassembly TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 103: Disassembling The Battery Catch

    Components of the battery catch Torx T6 2lb·in (0.23N·m) 3600z_01 Torx T6 screw K1.8x5 PT (x2) batter catch support bracket left battery catch right battery catch battery catch spring (x2) Disassembly and Reassembly TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 104: Disassembling The Radio

    With your fingers, pull off the channel knob With your fingers, pull off the 3-way actuator Figure 5.3 Removing the knobs and the 3-way actuator 3651z_01 channel knob volume knob 3-way actuator volume knob seal Disassembly and Reassembly TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 105 Remove the keypad Figure 5.4 Removing the chassis from the front panel 3652z_01 Torx T6 screw M2x8 (x2) main seal chassis assembly keypad top seal front-panel assembly Disassembly and Reassembly TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 106 “Reassembling the Radio” on page 112. Remove the battery pin seal If necessary, remove the chassis plug seal Disassembly and Reassembly TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 107 3653z_01 LCD frame battery pin seal speaker pin frame (x2) chassis plug seal main-shield assembly chassis Torx T6 screw M2x5 SMA nut main board knob nut (x2) Disassembly and Reassembly TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 108 Figure 5.6 Removing the LCD assembly and the front-panel loom LCD connector front-panel loom connector loom of LCD assembly 3654z_01 front-panel loom main-shield assembly LCD assembly Disassembly and Reassembly TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 109 Remove the flexible accessory board Figure 5.7 Removing the rear panel and the flexible accessory board dummy cover rear panel rear-panel seal flexible accessory board chassis 3657z_01 Disassembly and Reassembly TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 110 Figure 5.8 Removing the PTT keypad 3655z_01 PTT lock spring PTT keypad front-panel assembly PTT pressel PTT frame function key pressel (x2) Disassembly and Reassembly TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 111 If necessary, remove the speaker cloth Figure 5.9 Removing the speaker 3656z_01 Torx T6 screw K1.8x5 PT speaker adhesive ring speaker clamp speaker cloth speaker Disassembly and Reassembly TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 112: Reassembling The Radio

    Inserting the top of the speaker clamp into the recess inside the top of the front panel. Use a Torx T6 torque-driver to tighten the screw to 2lb·in (0.23N·m). Disassembly and Reassembly TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 113 2lb·in (0.26N·m) Alignment feature Alignment feature Recess for speaker clamp Screw boss for speaker clamp 3656z_01 Torx T6 screw K1.8x5 PT speaker adhesive ring speaker clamp speaker cloth speaker Disassembly and Reassembly TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 114 PTT keypad’s T-shaped protrusion on the inside of the front panel (see detail in Figure 5.11). The PTT lock spring can only be inserted one way. Disassembly and Reassembly TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 115 Figure 5.11 Fitting the PTT keypad 3655z_01 PTT lock spring PTT keypad front-panel assembly PTT pressel PTT frame function key pressel (x2) Disassembly and Reassembly TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 116 ) of the rear panel until lug of chassis the rear panel clicks into place. If applicable, fit the dummy cover and turn the lock counter- clockwise by a quarter turn. Disassembly and Reassembly TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 117 Figure 5.12 Fitting the flexible accessory board and the rear panel dummy cover rear panel rear-panel seal flexible accessory board chassis loom slot 3657z_01 Disassembly and Reassembly TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 118 “Fitting the Main Board” on page 120. Solder all legs of the component(s). Figure 5.13 Fitting the non-SMT components thermal paste (PA) 3658z_01 power/volume potentiometer antenna SMA connector 16-way/3-way selector switch vector plate Disassembly and Reassembly TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 119 Make sure that the front-panel loom is correctly seated, and lock the connector. Figure 5.14 Fitting the LCD assembly and the front-panel loom cut-out LCD connector front-panel loom connector loom of LCD assembly front-panel loom LCD assembly main-shield assembly Disassembly and Reassembly TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 120 10lb·in (1.13N·m). Use a Torx T6 torque-driver to fit the screw attaching the main board to the chassis and fasten it with 2lb·in (0.23N·m). Disassembly and Reassembly TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 121 5/16 inch (8mm) 10lb·in (1.13N·m) LCD frame battery pin seal speaker pin frame (x2) chassis plug seal main-shield assembly chassis screw M2x5 SMA nut main board knob nut (x2) Disassembly and Reassembly TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 122 Place the LCD frame in position over the LCD assembly and the main-shield assembly. Disassembly and Reassembly TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 123 Figure 5.16 Fitting the chassis to the front panel Torx T6 3lb·in (0.34N·m) 3652z_01 Torx T6 screw M2x8 (x2) main seal chassis assembly keypad top seal front-panel assembly Disassembly and Reassembly TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 124 16-way/3-way selector switch, and antenna SMA connector Use a Torx T6 torque-driver to tighten the two screws to 3lb·in (0.34N·m). Disassembly and Reassembly TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 125 Fit the volume knob Figure 5.17 Fitting the 3-way actuator and the knobs 3651z_01 channel knob volume knob 3-way actuator volume knob seal Disassembly and Reassembly TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 126 Disassembly and Reassembly TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 127: Servicing Procedures

    The fault reported by the Customer might Administration concern damage to or loss of a mechanical part, or the failure of a function of the radio, or both. Servicing Procedures TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 128 If the main board was replaced or if the repair failed, re-assemble the radio as described in “Reassembling the Radio” on page 112. Conclude with the tasks of “Final Tasks” on page 134. Servicing Procedures TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 129 Use the calibration application to read the calibration file and save it on the Read the test PC. If the calibration file cannot be read, set up a suitable default Calibration File calibration file and load it to the radio Servicing Procedures TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 130 If there is a fault in the user interface, repair the radio as described in “Interface Fault Finding” on page 139. If there is no fault, go to Task Servicing Procedures TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 131 Programming mode, Re-program the radio with a new programming database. If the problem persists, invalid radio ... update or reload the radio’s firmware, and re-program the radio’s calibration database. Servicing Procedures TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 132 If the radio transmits audio now, the original speaker was faulty. Reassemble the radio and go to “Final Tasks” on page 134. If the radio still fails to transmit, reconnect the original speaker and go to Step Servicing Procedures TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 133 “Internal Speaker/ Microphone Faulty” on page 146. If the radio receives audio now, the original speaker was faulty. Reassemble the radio and go to “Final Tasks” on page 134. If the Servicing Procedures TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 134: Final Tasks

    Note If the main board has been replaced, certain software features may need to be enabled before the programming file can be loaded. See Task 2 on page 135. Servicing Procedures TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 135 6. Otherwise go to Step Ask the CSO (or TEL) for a licence file for the replacement main board. The CSO will supply the required file. Go to Step Servicing Procedures TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 136 Level-1 service centers should return the faulty radio to the nearest ASC, and level-2 service centers should return the radio to the ISC. Supply details of the Customer, the fault and, if applicable, the attempted repair. Servicing Procedures TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 137 –) and 11 ( +) of accessory connector >2.8V SPKR SPKR Distortion (at –47dBm, 60% rated system deviation at 1 kHz, with volume set to give 3W into 16Ω load) <3.00% Servicing Procedures TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 138 Check operation of keypad and LCD backlighting Volume control Check operation of volume control and switch 16-way and 3-way selectors Check operation of 16-way selector, and 3-way selector (if used) Servicing Procedures TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 139: Interface Fault Finding

    If still faulty, remove the front panel and replace the front-panel loom with a known good one. Reassemble and power-up the radio. Check the functionality of the keypad. Interface Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 140 Discard and use a new one. If the keypad is still faulty, the problem is with the main board. Check for obvious faults around the front-panel interface connector 2]. If no fault can be found, replace the main board. Interface Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 141 “Power Supply Fault Finding” on page 149. Figure 7.1 PCB layout of test points next to the switch pins of RV1 (bottom side) Interface Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 142 If the logic levels are not correct then replace RSW1 and retest. If the logic levels are correct, or replacing RSW1 does not repair the fault, replace the main board. Interface Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 143 PCB layout of pins for RSW1 and DS900 (bottom side) DS900 pin A1 (green LED) DS900 pin A2 (red LED) Pins for 3-way R923 indicating selector non-3V3 end (*) Pins for 16-way selector Interface Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 144 Retest the LED. If the LED is still faulty, proceed to Step Replace DS900, and R921 (red LED faulty) and/or R920 (green LED faulty). Retest the LED. If the LED is still faulty, replace the main board. Interface Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 145 If the logic levels are correct, or replacing the key switch does not repair the fault, replace the main board. Figure 7.3 PCB layout showing R922 (top side) R922 indicating non-3V3 end (*) Interface Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 146 7.2. Re-solder or replace as required. SPKR Recheck the functionality of the speaker/microphone. If still faulty, reconnect the original speaker and go to “CODEC and Audio ault Finding” on page 269. Interface Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 147 If a fault is found, repair and recheck the functionality of the accessories interface. If still faulty or a fault cannot be found with PL1, replace the main board. Interface Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 148 Interface Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 149: Power Supply Fault Finding

    If it turns on for a short time (approximately 2s), go to Step 3 and C721 should exhibit similar behavior.) Ensure the programming cable is correctly connected, and use the programming application to reload the radio’s programming file Power Supply Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 150 The FPGA image needs to be upgraded by the factory. Figure 8.1 Test and measurement points for the initial checks Measurement point at positive side of C721 bottom side top side Power Supply Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 151 3 rail. Disconnect the 7.5V external supply. 603 with solder and cut the track joining To isolate further, short LINK 602. Again, measure the resistance to ensure that the link is cut. LINK Power Supply Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 152 “Final Tasks” on page 134. If the radio fails to power up, the repair failed; replace the main board and go to “Final Tasks” on page 134. Power Supply Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 153 Figure 8.2 Measurement points for the checking the +3V3 SMPS top side bottom side Power Supply Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 154 “Final Tasks” on page 134. If the radio fails to power up, the repair failed; replace the main board and go to “Final Tasks” on page 134. Power Supply Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 155 Figure 8.3 Measurement points for the checking the +1V5 SMPS top side bottom side Power Supply Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 156 “Final Tasks” on page 134. If the repair failed, replace the main board and go to “Final Tasks” on page 134. Power Supply Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 157 Figure 8.4 Measurement points for the checking the linear regulators top side bottom side DIG BOT Power Supply Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 158 Power Supply Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 159: Frequency Synthesizer Fault Finding

    Set transmit-receive switch on (x=1) or off (x=0) via DIG SYN TR SW line 389 x Set synthesizer mode to slow (x=0) or fast (x=1) 393 1 x Write data x to FPGA Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 160: Initial Checks

    UHF (H5 and H6 bands) or VHF (B1 band) radio. The product-code label on the radio body will identify the frequency band as described in “Product Codes” on page Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 161 VCOs, and buffer amplifiers. If the lock status is 011 or 010, the synthesizer is faulty in the receive mode. Go to “Power Supplies” on page 163. Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 162 If the lock status is 111, this implies normal operation. But if the lock error persists, replace the main board and go to “Final Tasks” on page 134. Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 163: Power Supplies

    Q508 SIGNAL TYPES H5/H6 ANALOG PINS 7 AND 15 PINS 7 AND 15 OF IC503 OF IC503 CLOCK DIGITAL LOOP AGND FILTER INTERFACE INVERTER CIRCUITRY CIRCUITRY SUMMER Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 164 “Final Tasks” on page 134. If the repair failed or no fault could be found, replace the main board, and go to “Final Tasks” on page 134. Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 165 Figure 9.2 Synthesizer 14V power supply circuitry (top side) Measurement point for 14V Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 166 “Final Tasks” on page 134. If the repair failed or no fault could be found, replace the main board, and go to “Final Tasks” on page 134. Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 167 Measuring point Measuring point Measuring B1 band: for +3 for +7 point for +5 V AN Measuring point for 4 Measuring point H5 band: for +3 V AN Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 168 “Final Tasks” on page 134. If the repair failed or no fault could be found, replace the main board, and go to “Final Tasks” on page 134. Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 169 134. If the repair failed or no fault could be found, replace the main board, and go to “Final Tasks” on page 134. Figure 9.4 Location of the 3V regulator IC604 (bottom side) Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 170: Phase-Locked Loop

    Determine if the fault has been removed. If it has, go to “Final Tasks” on page 134. If it has not, the FCL is suspect; go to “Power Supply for FCL” on page 205. Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 171 Figure 9.5 Measurement points for the synthesizer PLL and loop filter Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 172 “Final Tasks” on page 134. If the repair failed or no fault could be found, replace the main board, and go to “Final Tasks” on page 134. Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 173 Figure 9.6 Synthesizer components under the can (bottom side) DIG BOT DIG BOT can Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 174 “Final Tasks” on page 134. If the repair failed or no fault could be found, replace the main board, and go to “Final Tasks” on page 134. Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 175 Figure 9.7 Synthesizer components under the can (top side) DIG TOP DIG TOP can Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 176: Loop Filter

    The voltage should change to: C565: < 0.5V DC If the loop voltage is correct, go to Task 12. If it is not, the loop-filter circuitry is suspect; go to Task Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 177 Figure 9.8 Synthesizer components under the can (top side) SYN TOP B1 band: Junction between C541 and R547 H5 band: Junction between C541 and R547 Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 178 Figure 9.9 Synthesizer components under the can (bottom side) SYN BOT Test point TP504 for synthesizer loop voltage Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 179 “Final Tasks” on page 134. If it is not, or if no fault could be found, replace the main board, and go “Final Tasks” on page 134. Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 180 “Final Tasks” on page 134. If it is not, or if no fault could be found, replace the main board, and go to “Final Tasks” on page 134. Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 181 “Final Tasks” on page 134. If they are not, or if no fault could be found, replace the main board, and go to “Final Tasks” on page 134. Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 182 “Final Tasks” on page 134. If they are not, or if no fault could be found, replace the main board, and go to “Final Tasks” on page 134. Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 183: Receive Vco And Related Circuitry (Uhf Radios)

    Minimum and maximum receive frequencies for the different UHF frequency bands Frequency band Receive frequency in MHz Minimum Maximum 337 ± 5 441 ± 5 378 ± 5 498 ± 5 Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 184 Figure 9.10 Measurement points for the VCO and related circuitry in UHF radios Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 185 If the receive frequency measured in Step 4 is correct, go to Task If it is incorrect, go to Task 19. If no frequency is detected, go to Task Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 186 (UHF radio, top side) SYN TOP VCO TOP Figure 9.12 Synthesizer components under the can (UHF radio, top side) MIXER TOP Measuring point for SYN RX LO Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 187 134. If it has not, replace the main board, and go to “Final Tasks” on page 134. Figure 9.13 Synthesizer components under the can (UHF radio, bottom side) VCO BOT Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 188 If the voltages measured in Step 3 Step 5 are correct, go to Task 22. If they are not, the switching network is suspect; go to Task Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 189 “Final Tasks” on page 134. If the repair failed or the fault could not be found, replace the main board, and go to “Final Tasks” on page 134. Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 190 “Final Tasks” on page 134. If they are not, or if no fault could be found, replace the main board, and go to “Final Tasks” on page 134. Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 191: Transmit Vco And Related Circuitry (Uhf Radios)

    Minimum and maximum transmit frequencies for the different UHF frequency bands Frequency band Transmit frequency in MHz Minimum Maximum 371 ± 5 492 ± 5 419 ± 5 545 ± 5 Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 192 If the transmit frequency measured in Step 4 is correct, go to Task If it is incorrect, go to Task 25. If no frequency is detected, go to Task Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 193 134. If they are still not correct, go to Step Resolder R542 in position (see Figure 9.11). Replace the main board and go to “Final Tasks” on page 134. Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 194 If the voltages measured in Step 2 Step 4 are correct, go to Task 27. If they are not, the switching network is suspect; go to Task Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 195 “Final Tasks” on page 134. If they are not, or if no fault could be found, replace the main board and go to “Final Tasks” on page 134. Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 196: Vco And Related Circuitry (Vhf Radios)

    Figure 9.14. Table 9.4 Minimum and maximum frequencies for the VHF frequency band Frequency band Frequency in MHz Minimum Maximum 84 ± 5 200 ± 5 Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 197 Figure 9.14 Measurement points for the VCO and related circuitry in VHF radios Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 198 If the minimum frequency measured in Step 5 is correct, go to Task 29. If it is incorrect, go to Task 30. If no frequency is detected, go to Task Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 199 Synthesizer components under the can (VHF radio, top side) SYN TOP Figure 9.16 Synthesizer components under the can (VHF radio, top side) PA EX TOP TX port Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 200 134. If it has not, replace the main board and go to “Final Tasks” on page 134. Figure 9.17 Synthesizer circuitry under the can (VHF radio, bottom side) VCO BOT Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 201 134. If they are still not correct, go to Step Resolder R542 in position (see Figure 9.15). Replace the main board and go to “Final Tasks” on page 134. Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 202 If the voltages measured in Step 9 Step 11 are correct, go to Task 33. If they are not, the switching network is suspect; go to Task Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 203 “Final Tasks” on page 134. If the repair failed or the fault could not be found, replace the main board and go to “Final Tasks” on page 134. Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 204 “Final Tasks” on page 134. If they are not, or if no fault could be found, replace the main board and go to “Final Tasks” on page 134. Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 205: Power Supply For Fcl

    “VCXO and VCTCXO Outputs” “VCXO and CODEC Circuitry” on page 214 respectively. The test and measurement points for diagnosing faults in the FCL are summarized in Figure 9.18. Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 206 Figure 9.18 Test and measurement points for the FCL circuitry Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 207 “Power Supply Fault Finding” on page 156. Figure 9.19 FCL circuitry under the FCL TOP can (top side) 3V0 AN Position of R527 for test VCTCXO output VCXO output Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 208: Vcxo And Vctcxo Outputs

    36. If the repair failed, replace the main board and go to “Final Tasks” on page 134. Figure 9.20 FCL circuitry under the VCXO BOT can (bottom side) Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 209 Confirm the removal of the fault and go to “Signals at TP501 and TP502” on page 210. If the repair failed, replace the main board and go to “Final Tasks” on page 134. Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 210: Signals At Tp501 And Tp502

    These checks will reveal any faults in the mixer and LPF (low-pass filter) circuitry, and any additional fault in the VCXO circuitry. Figure 9.21 Test points TP501 and TP502 (bottom side) Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 211 Confirm the removal of the fault and go to Task 38. If the repair failed, replace the main board and go to “Final Tasks” on page 134. Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 212 Confirm the removal of the fault, and go to Task 39. If the repair failed, replace the main board and go to “Final Tasks” on page 134. Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 213 If the signal is correct, the fault has been removed; go to “Final Tasks” on page 134. If the signal is not correct, the repair failed; replace the main board and go to “Final Tasks” on page 134. Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 214: Vcxo And Codec Circuitry

    CODEC 2 circuitry; go to Task If the voltage levels are all correct (following earlier repairs), the fault has been removed; go to “Final Tasks” on page 134. Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 215 Figure 9.21) during power-up will show a five-step staircase signal followed by a random nine-step staircase signal — this is the expected power-up auto-calibration sequence. Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 216 If the repair failed, replace the main board and go to “Final Tasks” on page 134. Figure 9.22 Synthesizer components under the can (top side) CDC TOP Frequency Synthesizer Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 217: Transmitter Fault Finding

    Set synthesizer on (x=1) or off (x=0) via DIG SYN EN line 335 x Set transmit-receive switch on (x=1) or off (x=0) via DIG SYN TR SW line Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 218 Replace all cans that have been removed only after repairing the board. This applies to the B1, H5, and H6 bands. For certain other bands the transmitter will not operate correctly unless all the cans are fitted. Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 219 Avoid thermal burns. Do not touch the PA body when the transmitter is or and RF Burns has been operating. Avoid RF burns. Do not touch the antenna connector while the transmitter is operating. Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 220: Power Supplies

    Task 2: 5VDC supply from 9V regulator in PSU module (+5 The power supplies distribution is summarized in Figure 10.1. Figure 10.1 Measurement and test points for diagnosing faults involving the power supplies for the transmitter Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 221 If the power supply measured in Step 8 Step 9 is correct, go to Task 2. If it is not, go to “Power Supply Fault Finding” on page 149. Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 222 (bottom side) for measuring the power supply Measuring point on L115 B1 band Measuring point on L111 Measuring point on L115 H5 band (H6 similar) Measuring point on L111 Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 223 Measuring points under can (bottom side) for checking the +5V TX supply TX CONTROL BOT TX INH test point D TX INH test point Measuring point for +5V TX Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 224: Transmitter Rf Power

    Enter the CCTM command 101 x x 0, where x is the frequency in hertz. The required values for the different frequency bands are given in Table 10.2 on page 218. Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 225 Figure 10.4 Measurement and test points for diagnosing faults concerning the transmitter RF power Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 226 326 2 – low power 326 1 – very low power The above measurements should confirm that the power remains unchanged at all settings. Carry out Task 9 and then Task Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 227 Repair any fault, confirm the removal of the fault, and go to “Final Tasks” on page 134. If the repair failed or no fault could be found, replace the main board and go to “Final Tasks” on page 134. Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 228 “Final Tasks” on page 134. If the repair failed, replace the main board and go to “Final Tasks” on page 134. Figure 10.5 Temperature sensor circuitry (top side) Temperature sensor circuitry Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 229 Driver and PA” on page 230. If not, go to Task T able 10.4 PA bias currents in mA at different power levels Frequency Very low High band power power power power Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 230: Biasing Of Pa Driver And Pa

    Note the current reading on the DC power supply. This will be less than 550mA. With the radio still in transmit mode, check the biasing of the PA, beginning with Task Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 231 Figure 10.6 Test points and components of the shaping filter Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 232 Enter the CCTM command 331 1 to switch off final bias 1, and go to Task Table 10.5 Gate biases for the PA at high power Frequency band PA offset current in mA Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 233 B1 band test point VGATE via of test point test point CDC TXFIN RXAGC BIAS TXPWR RXFE (pin 14 of IC101) H5 band (H6 similar) test point VGATE Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 234 “Final Tasks” on page 134. If the repair failed or Q106 itself is faulty, replace the main board and go to “Final Tasks” on page 134. Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 235 Driver output SYN TX LO measuring point H5 band Exciter output Driver output SYN TX LO measuring point H6 band Exciter output Driver output SYN TX LO measuring point Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 236 Q106 and Q103. Confirm the removal of the fault and go to “Final Tasks” on page 134. If the repair failed, replace the main board and go to “Final Tasks” on page 134. Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 237 If the voltage at the test point increases as required, go TXPWR RXFE Task 16. If it does not, go to “CODEC and Audio ault Finding” on page 269. Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 238 Confirm the removal of the fault and go to “Final Tasks” on page 134. If the repair failed, replace the main board and go to “Final Tasks” on page 134. Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 239: Rf Signal Path

    C138 (B1) C151 C110 (H5, H6) C125 (H5/H6) Gates of PA driver Synthesizer Q106 output at Output Receiver drain of Q103 SYN TX LO switch Frequency Synthesizer C160 Connector Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 240 0.36 ± 0.1 1.6 ±0.3 0.96 ±0.3 0.47 ± 0.1 1.8 ±0.3 1.4 ±0.3 0.45 ± 0.1 1.8 ±0.3 1.3 ±0.3 0.36 ± 0.1 1.6 ±0.3 1.6 ±0.3 Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 241 2.0 ±0.3 1.2 ±0.3 0.56 ± 0.1 2.2 ±0.3 1.3 ±0.3 Note The ground of the measuring probe must be connected as close to the measuring point as possible. Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 242 Confirm the removal of the fault and go to “Final Tasks” on page 134. If the repair failed, replace the main board and go to “Final Tasks” on page 134. Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 243 Figure 10.10 Components under the can (top side) PA EX TOP B1 band H5 band (H6 similar) Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 244 “Final Tasks” on page 134. If the repair failed or the fault could not be found, replace the main board and go to “Final Tasks” on page 134. Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 245 14. If it does not, the circuitry of the PIN switch is suspect; go to Task Remove the test lead and test capacitor, resolder the blocking capacitors in position, and go to Task Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 246 (bottom side), and points for attaching the test lead PA LPF BOT and test capacitor Mounting point for test capacitor B1 band Mounting point for test capacitor H5 band (H6 similar) Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 247 If the power in both the above cases is now correct, the fault has been rectified; go to “Final Tasks” on page 134. If the repair had failed, replace the main board and go to “Final Tasks” on page 134. Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 248 If the power in both the above cases exceeds 5W, the fault has been rectified; go to “Final Tasks” on page 134. If it does not, the repair failed; replace the main board and go to “Final Tasks” on page 134. Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 249 Figure 10.12 Circuitry under the can (top side) RX FE TOP B1 band H5 band H6 band Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 250 Transmitter Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 251: Receiver Fault Finding

    Set transmit frequency (x in hertz) and receive frequency (y in hertz) to specified values Read tuning voltage for front-end circuitry — displays voltage x in millivolts Read signal power at output of channel filter — displays power x (square of amplitude) Receiver Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 252: Faulty Receiver Sensitivity

    “Excessive Loss of Sensitivity” on page 253 (sensitivity is very low) x < 500 000, go to “Moderate or Slight Loss of Sensitivity” on page 258 (sensitivity is low) Receiver Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 253: Excessive Loss Of Sensitivity

    3. If it is not, the 3V RX switch (based on Q603 and Q604) in the PSU module is suspect; go to Task 4 “Power Supply Fault Finding” on page 156. Receiver Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 254 (top side) IF IQ BOT Figure 11.2 Receiver circuitry under the can (bottom side) Figure 11.3 Receiver circuitry under the can (bottom side) RX FE TOP measurement point Receiver Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 255 Recalibrate the receiver using the calibration application. Confirm the removal of the fault and go to “Final Tasks” on page 134. If the repair failed, go to Task Receiver Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 256 Recalibrate the receiver using the calibration application. Confirm the removal of the fault and go to “Final Tasks” on page 134. If the repair failed, go to Task Receiver Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 257 Confirm the removal of the fault and go to “Final Tasks” on page 134. If the repair failed, go to Task Figure 11.4 Receiver circuitry under the can (top side) MIXER TOP Receiver Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 258: Moderate Or Slight Loss Of Sensitivity

    134. If they are not, go to Step if the receiver output level x measured in Go to Task 8 Task 1 was less than 40 000; otherwise go to Task Receiver Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 259 156 ± 15 191 ± 15 217 ± 15 DAC value 0.75 ± 0.24 1.35 ± 0.18 1.85 ± 0.18 2.35 ± 0.18 2.60 ± 0.18 Voltage (V) Receiver Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 260 Confirm the removal of the fault and go to “Final Tasks” on page 134. If the repair failed, replace the main board and go to “Final Tasks” on page 134. Receiver Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 261: Incorrect Rssi Readings

    1870 ± 40 AGC0 2040 ± 40 2050 ± 40 AGC1 2200 ± 50 2220 ± 50 AGC2 Receiver input power (dBm) AGC0 –50 AGC1 –60 –68 AGC2 Receiver Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 262 134. If it has not, go to Step In this case all the RSSI calibration settings are correct, but there is still an RSSI fault. Go to Task 1 and check the receiver sensitivity. Receiver Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 263: Faulty Radio Mute

    If the setting is “Noise Level”, implying that noise muting is selected, go to Task 15. If the setting is “Signal Strength”, implying that RSSI muting is selected, go to Task Receiver Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 264 Mute noise readings Channel spacing SINAD (dB) Minimum noise value Maximum noise value 1900 2300 Narrow (12.5kHz) 3700 4200 Medium (20kHz) 1000 1500 5500 7300 Wide (25kHz) 2200 3700 Receiver Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 265 Check if the mute fault has been removed. If it has, go to “Final Tasks” on page 134. If it has not, go to Task 10 and check the RSSI calibration. Figure 11.5 Position of XL500 (bottom side) Receiver Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 266: High Receiver Distortion

    Task Check if the distortion fault has been removed. If it has, go to “Final Tasks” on page 134. If it has not, go to Task Receiver Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 267 “Final Tasks” on page 134. If the repair failed or the fault could not be found, replace the main board and go to “Final Tasks” on page 134. Receiver Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 268 Receiver Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 269: Codec And Audio Fault Finding

    324 x y Output audio signal at tap point x of tap type y to AUD TAP OUT 400 x Select channel with channel number x CODEC and Audio Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 270: Power Supplies

    3. If it is not, go to Step The 3V regulator IC604 is suspect (see Figure 12.2). Check the regulator as described in Task 4 “Power Supply Fault Finding” on page 156. CODEC and Audio Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 271 Figure 12.2 Test points for the 3V power supply and the volume potentiometer (bottom side) Test point TP908 for volume potentiometer Test point 3V0 AN CODEC and Audio Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 272: Faulty Speaker Audio

    There are three tasks: Task 4: check audio power amplifier Task 5: check speaker outputs Task 6: check input signal SUI VOL DC CODEC and Audio Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 273 Figure 12.3 Circuitry under and next to the can (top side) CDC TOP CODEC and Audio Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 274 5. If they are not, check the programming and test set-up; otherwise the main board is faulty; replace the main board and go to “Final Tasks” on page 134. CODEC and Audio Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 275 PA outputs at pins 5 and 8 of IC200 (see Figure 12.1): pin 5 of IC200: approximately 5.5Vpp AC pin 8 of IC200: approximately 5.5Vpp AC CODEC and Audio Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 276 If the audio PA outputs are correct, the fault is unknown (and could be intermittent); go to “Final Tasks” on page 134. If the repair failed, replace the main board and go to “Final Tasks” on page 134. CODEC and Audio Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 277 If the voltage varies as expected, CODEC 1 (IC204, see Figure 12.3) is suspect. Replace the main board and go to “Final Tasks” on page 134. CODEC and Audio Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 278: No Audio Tap Out At Accessory Connector

    These tasks need to be followed by those of “Faulty Modulation Using Accessory Audio Tap In” on page 287 if there is also a fault with the transmit modulation using the accessory connector. CODEC and Audio Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 279 If there is also a fault with the transmit modulation, notwithstanding modulation at the accessory connector, go to Task 15. If there is no other fault, go to “Final Tasks” on page 134 CODEC and Audio Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 280 “Faulty Modulation Using Accessory Audio Tap In” on page 287. If there is no other fault, go to “Final Tasks” on page 134. CODEC and Audio Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 281 Figure 12.5 Circuitry under the can (bottom side) CDC BOT measuring point TP444 Measuring point at R224 CODEC and Audio Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 282: Faulty Receiver

    “Final Tasks” on page 134. If the repair failed or the fault could not be found, replace the main board and go to “Final Tasks” on page 134. CODEC and Audio Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 283 “Receiver Fault Finding” on page 251. Either the digital circuitry or CODEC 1 (IC204) is faulty. Replace the main board and go to “Final Tasks” on page 134. CODEC and Audio Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 284: Faulty Modulation

    “Final Tasks” on page 134. If the repair failed or the fault could not be found, replace the main board and go to “Final Tasks” on page 134. CODEC and Audio Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 285 “Final Tasks” on page 134. If the repair failed or the fault could not be found, replace the main board and go to “Final Tasks” on page 134. CODEC and Audio Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 286 “Final Tasks” on page 134. If the repair failed or the fault could not be found, replace the main board and go to “Final Tasks” on page 134. CODEC and Audio Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 287: Faulty Modulation Using Accessory Audio Tap In

    “Final Tasks” on page 134. If the repair failed or the fault could not be found, replace the main board and go to “Final Tasks” on page 134. CODEC and Audio Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 288 Check the setup of the audio tap points in the programming application. Enter CCTM command 32 to place the radio in receive mode. CODEC and Audio Fault Finding TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 289: Spare Parts

    3-way actuator not available TPA-SP-100 knob spares kit TPA-SP-001/003 reskinning kits TPA-SP-002/004 general spares kits channel knob not available TPA-SP-100 knob spares kit TPA-SP-001/003 reskinning kits TPA-SP-002/004 general spares kits Spare Parts TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 290 TPA-SP-105 chassis assembly spares kit TPA-SP-106 accessory flex spares kit rear panel 316-02025-00 TPA-SP-001/003 reskinning kits TPA-SP-105 chassis assembly spares kit dummy cover 303-23171-00 TPA-SP-002/004 general spares kits Spare Parts TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 291 TPA-SP-108 battery latch spares kit speaker / battery contact probes 356-01070-00 TPA-SP-002/004 general spares kits emergency key actuator 319-00101-00 TPA-SP-002/004 general spares kits light pipe 262-00009-00 TPA-SP-002/004 general spares kits a. not illustrated Spare Parts TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 292 Figure 13.1 Serviceable parts Spare Parts TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 293: Spares Kits

    TPA-SP-103 main-shield assembly spares kit TPA-SP-104 LCD spares kit TPA-SP-105 chassis assembly spares kit TPA-SP-106 accessory flex spares kit TPA-SP-107 main seal spares kit TPA-SP-108 battery latch spares kit Spare Parts TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 294 Spare Parts TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 295: Chapter 3 Accessories

    TP9100 portables Chapter 3 Accessories TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 296 19.2 Operation..........321 19.3 PCB Information (PCB IPN 220-01418-02A) ....323 TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 297: Antenna Identification Chart

    Antenna Identification Chart Figure 14.1contains information on Tait-approved radio antennas, and can be used to identify part numbers based on antenna type and length. Figure 14.1 Antenna identification chart VHF and UHF Helical Antennas: UHF Whip Antennas: TPA-AN-002 6.50 in. (165 mm) 136-151 MHz 5.91 in.
  • Page 298 Antenna Identification Chart TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 299: Tpa-Ch-001 Single Battery Charger

    The red “Charging” LED glows to indicate that the battery is charg- ing. Note If the amber “Fault” LED lights up, refer to “Troubleshooting” on page 300. TPA-CH-001 Single Battery Charger TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 300: Troubleshooting

    41°F (5°C) (charging is and 104°F (40°C). suspended) Check the output voltage of the Tait power adaptor. It should be between 11.5V and 20V. Disassemble the charger as described in “Disassembly/Reassembly”...
  • Page 301: Disassembly/Reassembly

    P/T 25x6 (x3) 345-10025-06 Note: The characters xx in an IPN (Tait Internal Part Number) stand for the issue number of the part. Only the latest issue of each part will normally be available for ordering as spare or replacement parts.
  • Page 302: Main Board (Xpa-Ch-M01) Pcb Information

    Res 0603 10k 1/10w 1% 001-10008-35 Diode SMD MBRD835 Sch Dpak 038-15100-10 Res 0603 10k 1/10w 1% 008-10002-00 LED SMD 0603 Red U/B C190KRKT 038-14390-10 Res 0603 3k9 1/10w 1% TPA-CH-001 Single Battery Charger TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 303 C66 1:D8 1-A7 LINK1 2:E5 1-G4 R22 1:E6 1-C9 R55 1:F8 1-B8 1:F2 1-E3 C70 1:A6 1-F4 1:F8 1-G1 R23 1:E8 1-B6 R56 1:F9 1-B8 1:F4 1-D2 TPA-CH-001 Single Battery Charger TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 304 15.6.3 PCB Layout (top side) TPA-CH-001 Single Battery Charger TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 305 15.6.4 PCB Layout (bottom side) TPA-CH-001 Single Battery Charger TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 306 15.6.5 Circuit Diagram TPA-CH-001 Single Battery Charger TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 307: Contact Board (Xpa-Ch-M02) Pcb Information

    303-50030-00 Cntct Apco DP1 Chgr PLUS 303-50030-00 Cntct Apco DP1 Chgr TEMP 303-50030-00 Cntct Apco DP1 Chgr 219-02622-01 T700 Interface Cbl 12way 15.7.2 PCB Layout (top side) TPA-CH-001 Single Battery Charger TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 308 15.7.3 PCB Layout (bottom side) 15.7.4 Circuit Diagram TPA-CH-001 Single Battery Charger TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 309: Tpa-Aa-201 Accessory Connector Kit

    Figure 16.2). Any other cable diameter cannot be properly retained and is not recommended. Sealing against water and dust ingress cannot be guaranteed using this connector kit. TPA-AA-201 Accessory Connector Kit TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 310 To drive 16Ω – output differentially ACC SPKR+ External speaker differential Analog audio +6.5V differential To drive 16Ω – output differentially a. Dependent on battery charge level. TPA-AA-201 Accessory Connector Kit TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 311 ACC PWR ACC RXD ACC TXD ACC GPIO1 PL10 ACC GPIO2 0Ω 0Ω ACC MIC ACC PTT PL12 BUTTON1 12kΩ ACC SPKR– ACC SPKR+ PL11 PL13 4.7µF TPA-AA-201 Accessory Connector Kit TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 312: Disassembly And Reassembly

    Components of the accessory connector kit Torx T6 3lb·in (0.34N·m) Torx T6 screw accessory connector housing accessory housing seal clamp accessory seal plate insert accessory connector PCB strain relief TPA-AA-201 Accessory Connector Kit TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 313: Tpa-Aa-202 Accessory Cable Kit

    “Disassembly and Reassembly” on page 316. Solder the wires of the accessory cable kit to the interface of your accessory (refer to Table 17.1 on page 314). TPA-AA-202 Accessory Cable Kit TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 314 To drive 16Ω – differential output differentially ACC SPKR+ External speaker Analog audio +6.5V differential To drive 16Ω – differential output differentially a. Dependent on battery charge level. TPA-AA-202 Accessory Cable Kit TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 315 ACC GPIO2 white/red stripe 0Ω 0Ω ACC MIC orange black ACC PTT PL12 gray BUTTON1 12kΩ ACC SPKR– white ACC SPKR+ PL11 PL13 4.7µF Accessory Connector PCB TPA-AA-202 Accessory Cable Kit TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 316: Disassembly And Reassembly

    Figure 17.2 Components of the accessory cable kit Torx T6 3lb·in (0.34N·m) Torx T6 screw accessory connector PCB accessory housing seal accessory connector housing accessory seal plate TPA-AA-202 Accessory Cable Kit TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 317: Tpa-Aa-210 Hirose Accessory Adapter

    The TPA-AA-210 Hirose accessory adapter is used to connect the following recommended Hirose accessories, available from Tait and OTTO Communications (www.ottoeng.com): Table 18.1 Compatible Hirose accessories from Tait and Otto Tait Part No. Otto Part No. Description TPA-AA-211...
  • Page 318: Disassembly And Reassembly

    Hirose adapter. 18.2 Disassembly and Reassembly Disassembly and reassembly is the same as the TPA-AA-201 accessory connector kit, refer to “Disassembly and Reassembly” on page 312. TPA-AA-210 Hirose Accessory Adapter TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 319: Topa-Sv-024 Test Unit

    TOPA-SV-024 Test Unit The TOPA-SV-024 test unit is used to test and maintain Tait portable and mobile radios by providing an interface between the radio, a test PC, and an RF communications test set. The diagram below shows the front panel of the test unit.
  • Page 320 (to radio connector TP9100 connector of test unit) radio (DB15) TMAA23-02 cable (40W/50W radios) DC power supply TMAA20-03 cable (25W radios) TPA-SV-005 battery eliminator (to DC power supply) banana plugs TOPA-SV-024 Test Unit TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 321: Operation

    This 3-way toggle switch is used to switch between Mod Audio/Audio Tap In, Mic Audio, and Off (no audio signal). With the Tait Orca portables, this switch can be used for setting up dual point modulation by applying modulation to different parts of the radio.
  • Page 322 The speaker of the mobile cannot be disconnected. When set to Radio, only the speaker of the mobile is active. When set to Load, the speaker of the mobile remains active. TOPA-SV-024 Test Unit TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 323: Pcb Information (Pcb Ipn 220-01418-02A)

    030-54270-20 Res Flm 4x1.6 2k7 5% 0.4w 030-52560-20 Res Flm 4x1.6 56e 5% 0.4w 030-55100-20 Res Flm 4x1.6 10k 5% 0.4w 19.3.2 PCB Layout top side bottom side TOPA-SV-024 Test Unit TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 324 19.3.3 Circuit Diagram TOPA-SV-024 Test Unit TP9100 Service Manual © Tait Electronics Limited May 2005...
  • Page 325: Tait General Software Licence Agreement

    MERGED INTO ANOTHER PROGRAM WILL AUTOMATICALLY AND WITHOUT NOTICE FROM CONTINUE TO BE SUBJECT TO THE TERMS AND TAIT IN THE EVENT THAT THE LICENSEE FAILS TO CONDITIONS OF THIS AGREEMENT COMPLY WITH ANY TERM OR CONDITION OF THE LICENSEE MAY NOT DUPLICATE...
  • Page 326: Limited Warranty

    THAT SUBJECT ONLY TO ANY EXPRESS WRITTEN OR OTHERWISE AT LAW FOR ANY LOSSES OR TERMS OF AGREEMENT TO THE CONTRARY DAMAGES WHETHER GENERAL SPECIAL BETWEEN TAIT AND THE LICENSEE THIS IS THE EXEMPLARY PUNITIVE DIRECT INDIRECT OR COMPLETE AND EXCLUSIVE STATEMENT OF THE...

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