Download
Share
Print this page
Kenwood TK-90 Modification Information
  1. Manuals
  2. Brands
  3. Kenwood Manuals
  4. Transmitter
  5. TK-90
  6. Modification information
Kenwood TK-90 Modification Information

Kenwood TK-90 Modification Information

Hide thumbs Also See for TK-90:

Advertisement

Quick Links

Download this manual
TK-90
Modification Information (MOD)
Version:
Last Updated:
Language:
Type:
2.00
March, 2007
English
M

Advertisement

loading
Need help?

Need help?

Do you have a question about the TK-90 and is the answer not in the manual?

Questions and answers

Related Manuals for Kenwood TK-90

Summary of Contents for Kenwood TK-90

  • Page 1 TK-90 Modification Information (MOD) Version: 2.00 Last Updated: March, 2007 Language: English Type:...
  • Page 2 Kenwood Corporation. A right to use the software described in this manual and relevant in-depth manuals is granted to a licensee by Kenwood Corporation; however, the title to ownership for the software shall be owned by Kenwood Corporation. Refer to the help document attached to this software for details.
  • Page 3 CONTENTS TERMINAL FUNCTIONS ......1 2.9 External Antenna Tuner (KAT-1) ....20 2.9.1 Description ............ 20 1.1 External Terminals Specifications ..... 1 2.9.2 Features ............20 1.1.1 8-pin Mic Connector ........1 2.9.3 Product Dimensions and Weight ....20 1.1.2 External Antenna Tuner Connector....2 2.9.4 Appearance ...........
  • Page 5 1 TERMINAL FUNCTIONS This section describes Input/Output ports of the transceiver. External Terminals Specifications The transceiver has terminals for connecting external devices on the front panel and rear panel. 1.1.1 8-pin Mic Connector The 8-pin Mic connector is located on the front panel of the transceiver. A microphone can be connected to this connector. Configuration data can be written to the transceiver or read from the transceiver by connecting the transceiver to a PC with KPG-102D by using the KPG-46 cable.
  • Page 6 1 TERMINAL FUNCTIONS 1.1.2 External Antenna Tuner Connector The external antenna tuner connector is located on the rear panel of the transceiver. An external antenna tuner can be connected to this connector. (Refer to 2.9 External Antenna Tuner (KAT-1) on page 20.) Figure 1-2 External Antenna Tuner Connector Table 1-2 Assigning Signals to the External Antenna Tuner Input/...
  • Page 7 1 TERMINAL FUNCTIONS Internal Terminals Specifications The transceiver has terminals for connecting external devices and optional devices on the PCB. The connector locations on the PCB are as follows. Refer to the Service Manual for pin assignment for each connector. CN17 CN16 CN7 CN8...
  • Page 8 1 TERMINAL FUNCTIONS 1.2.2 KCT-31 Connector (CN7, CN8) The KCT-31 Connector (CN7, CN8) can be used to connect the interface cable (KCT-31) to the transceiver. (Refer to 2.5 Interface Cable (KCT-31) on page 11.) Table 1-5 Assigning Signals to the KCT-31 Connector (CN7, CN8) Connector Input/ Signal Name...
  • Page 9 1 TERMINAL FUNCTIONS 1.2.4 VGS-1 Connector (CN11) The VGS-1 Connector (CN11) can be used to connect the VGS-1 unit to the transceiver. (Refer to 2.10 Voice Guide & Storage Unit (VGS-1) on page 22.) Table 1-7 Assigning Signals to the VGS-1 Connector (CN11) Input/ Signal Name Description...
  • Page 10 1 TERMINAL FUNCTIONS Input/ Signal Name Description Electrical Specifications Number Output 1.0 Vp-p maximum, Z input ≥ 10kΩ (AC-coupled) TXAI Input MIC signal input Confidential MOD (M)/Ver. 2.00 CONTENTS...
  • Page 11 2 INSTALLING OPTIONAL DEVICES This section describes how to connect various optional devices to the transceiver. Removing Covers Covers must be removed before installing an optional device onto the transceiver. Follow the procedure below to remove covers from the transceiver. NEVER SUPPLY DC POWER SOURCES TO THE TRANSCEIVER DURING THE WORK.
  • Page 12 2 INSTALLING OPTIONAL DEVICES IF Filter (KIF-2, YF-107C) 3. Remove connectors (CN16, CN17, CN236), and a cable (CN14). An optional IF filter (KIF-2, YF-107C) can be installed in the transceiver. (Refer to FUNC 19 IF FILTER.) The following 2 optional IF filters are available. CN236 •...
  • Page 13 2 INSTALLING OPTIONAL DEVICES 2.3.3 Electrical Specifications 2.3.4 Installing the IF Filter KIF-2 Table 2-2 Electrical Specifications (KIF-2) NEVER SUPPLY DC POWER SOURCES TO THE Item Description TRANSCEIVER DURING THE WORK. Nominal Frequency 10.695 MHz 1. Remove the top cover. (Refer to 2.1 Removing Covers 800Ω/ 2pF (including floating on page 7.)
  • Page 14 2 INSTALLING OPTIONAL DEVICES Headphone (HS-6) Cables from W702 and W321 should be routed as shown in the following figure. • A HEADPHONE WITH IMPEDANCE ABOVE 4Ω W702 MUST BE USED WHEN USING A HEADPHONE IF Filter OTHER THAN HS-6. •...
  • Page 15 2 INSTALLING OPTIONAL DEVICES Interface Cable (KCT-31) The KCT-31 interface cable is used for connecting the transceiver to a PC. 2.5.1 Description KCT-31 is an interface cable used for operating in data communications modes. Various functions can be controlled with PC commands by connecting the transceiver to a PC by using the KCT-31 cable.
  • Page 16 2 INSTALLING OPTIONAL DEVICES 2.5.4 Signal Assignment The following signals can be assigned to each pin of the D-sub 9-pin connector. Table 2-5 D-sub 9-pin Connector Signal Assignment KCT-31 Signal Description Number Name Blindfold Plate Receive Data (RXD) 8-pin 3-pin Transmit Data (TXD) 3-pin Data Port Ready (DTR)
  • Page 17 2 INSTALLING OPTIONAL DEVICES Connection Cable (KCT-39) 2.5.6 Configuration using KPG-102D For data communications between the transceiver and a PC, The KCT-39 cable allows connection of external devices to a connect the transceiver and the PC together by using the transceiver.
  • Page 18 2 INSTALLING OPTIONAL DEVICES 2.6.4 Signal Assignment 2.6.6 Changing the Jumper for Connecting TXD and RXD The following signals can be assigned to the KCT-39 cable connector. TXD and RXD lines are configured for the KCT-31 side by default. (Refer to 2.5 Interface Cable (KCT-31) on page 11.) Jumper resistors must be moved to connect the terminals of the KCT-39.
  • Page 19 2 INSTALLING OPTIONAL DEVICES 2.6.8 Connecting the KCT-39 Cable Table 2-9 Jumper for Connecting TXD and RXD Positions on Jumper Function Resistor TX-RX PCB R857 TXD line for KCT-31 NEVER SUPPLY DC POWER SOURCES TO THE R858 RXD line for KCT-31 TRANSCEIVER DURING THE WORK.
  • Page 20 2 INSTALLING OPTIONAL DEVICES Ignition Sense Cable Note: (KCT-18) Disconnect the coaxial cable from CN2 to connect the KCT-39 cable easily. The KCT-39 cable can be used with the KCT-31 cable. (Refer to KCT-18 is the cable used for connecting the transceiver to 2.5 Interface Cable (KCT-31) on page 11.) an Ignition port of a vehicle.
  • Page 21 2 INSTALLING OPTIONAL DEVICES Single Control Head Remote 2.7.5 Connecting the KCT-18 Kit (KRK-5) Connect the KRK-5 Single Control Head Remote Kit to the transceiver. NEVER SUPPLY DC POWER SOURCES TO THE TRANSCEIVER DURING THE WORK. 2.8.1 Description 1. Connect the KCT-39 cable to the transceiver. (Refer to 2.6 Connection Cable (KCT-39) on page 13.) KRK-5 is a kit to use a front panel as a remote controller...
  • Page 22 2 INSTALLING OPTIONAL DEVICES Table 2-13 KCT-22 Variations Type Length KCT-22 (M) 8 feet KCT-22 (M2) 17 feet KCT-22 (M3) 25 feet W601 2.8.4 Supplied Accessories Table 2-14 Supplied Accessories Name Part No. Rubber Cap B09-0393-x4 Front Panel Instruction Manual B62-0993-x0 Ground Wire E30-3085-x5...
  • Page 23 2 INSTALLING OPTIONAL DEVICES 3) Fix the sub panel of the KRK-5 to the front panel by 6. Connect the KCT-22 cable to the main panel of the using 2 screws at each side. KRK-5. 4) Install the rubber cap to the rear panel of the KRK-5. Follow the procedure below to connect the KCT-22 cable to the main panel of the KRK-5.
  • Page 24 2 INSTALLING OPTIONAL DEVICES External Antenna Tuner 2.9.4 Appearance (KAT-1) Connect the KAT-1 External Antenna Tuner to the transceiver. 2.9.1 Description KAT-1 is an external antenna tuner for a wire antenna on HF band. By connecting the KAT-1 to a transceiver, antennas can be tuned by operating the transceiver.
  • Page 25 2 INSTALLING OPTIONAL DEVICES 2.9.6 Standard 2.9.8 Supplied Accessories Table 2-17 Standard Table 2-20 Supplied Accessories Item Description Name Part Number Qty. 120 W Retaining Bracket J21-4300-x8 (Mark signal is transmitted for 1 U-type Bolt N09-2095-x8 Maximum Transmit minute, Space signal is Power Hexagon Bolt N09-2096-x8...
  • Page 26 2 INSTALLING OPTIONAL DEVICES 2.10 Voice Guide & Storage Unit 2.9.10 Configuration using KPG-102D (VGS-1) Antenna Tuner is assigned to the [ ] key in default configuration. The Antenna Tuner key can be assigned to Install the VGS-1 optional board to record and play back other keys by using KPG-102D.
  • Page 27 2 INSTALLING OPTIONAL DEVICES 2.10.4 Electrical Specifications DC Characteristics Table 2-24 DC Characteristics General Specifications Min. Typ. Max. Unit Condition Table 2-22 General Specifications Supply Voltage Item Specifications Normal Operation Standard 5.0 V Supply Voltage Current (14-pin) Flash ROM Range 4.5 V to 5.5 V Erase Temperature Range...
  • Page 28 2 INSTALLING OPTIONAL DEVICES 2.10.6 Installing the VGS-1 Unit 2.10.7 Configuration using KPG-102D Configure the VGS-1 information by using KPG-102D and write configuration data to the transceiver after installing the VGS-1. NEVER SUPPLY DC POWER SOURCES TO THE Follow the procedure below to configure the VGS-1. TRANSCEIVER DURING THE WORK.
  • Page 29 2.11.1 Description 1 Vp-p typ, Zout: ≤ 600Ω Audio Output output (AC-couple) KPE-2 is an ALE unit for the TK-90 transceiver. Various ALE 5 V for (Automatic Link Establishment) functions can be used by 5BTT Input battery 5 V typ, 5 mA max installing KPE-2 in the transceiver.
  • Page 30 2 INSTALLING OPTIONAL DEVICES 2.11.5 Cautions for using KPE-2 KPE-2 has a built-in lithium battery. If the ALE unit is installed in the transceiver, the internal battery will be charged as long as the DC cable is connected to the power source even though the transceiver is turned OFF.
  • Page 31 2 INSTALLING OPTIONAL DEVICES 2.11.8 Updating the KPE-2 Firmware 3. FPRO starts transferring data to KPE-2. When the transceiver finishes receiving data from FPRO, “PG” appears on the sub-display and then the This section describes how to update the firmware of KPE-2. LED will flash green.
  • Page 32 2 INSTALLING OPTIONAL DEVICES 2. Press the [A] key while the checksum appears on the main display. The display returns to the baud rate display. Confidential MOD (M)/Ver. 2.00 CONTENTS...
  • Page 33 3 INSTALLING THIRD PARTY OPTIONAL DEVICES 3.1.1 Assigning Signals from This section describes how to connect third party optional devices to the transceiver. SC20-455 The cable must be replaced with the cable with connector (E37-0808-x5) when connecting the SC20-455 to the SPECIFICATIONS OF THIRD PARTY OPTIONAL connector (CN13) on the TX-RX PCB.
  • Page 34 3 INSTALLING THIRD PARTY OPTIONAL DEVICES 3.1.2 Installing the SC20-455 CN13 TXI RXI INDI C8 C4 C2 C1 RXO SCR PTT V+ G TXO NEVER SUPPLY DC POWER SOURCES TO THE TRANSCEIVER DURING THE WORK. 10 11 12 13 1. Remove the top cover. (Refer to 2.1 Removing Covers on page 7.) SC20-455...
  • Page 35 3 INSTALLING THIRD PARTY OPTIONAL DEVICES 5. Write configuration data to the transceiver. Refer to FPRG 6.2 Write Data to the Transceiver Window for instructions on how to write configuration data to the transceiver. CN10 GPS Receiver (GPS 15L-W) The internal-type GPS receiver can be installed in the transceiver.
  • Page 36 3. Select “Invert” from the Polarity dropdown list. Table 3-2 Connecting the GPS 15L-W GPS 15L-W Solder Pad Name on the Signal Name TK-90 PCB Number 4. Configure the GPS functions. Backup Power Refer to FPRG 5.6 GPS Window for the details of Ground configuration.
  • Page 37 A port for connecting the power for GPS 35-HVS (6 V to RS232C serial interface. 40 V DC) is not provided as a solder pad in the TK-90. Therefore, the power must be separately supplied. Contact Garmin for the power source requirements.
  • Page 38 3 INSTALLING THIRD PARTY OPTIONAL DEVICES Changing the Configuration • Cable A with a Connector: for Connecting other Cut off a length of cable with 2-pin connector approximately 20 cm from the external antenna tuner External Antenna Tuner to connector split cable (E37-1228-05). the Transceiver •...
  • Page 39 3 INSTALLING THIRD PARTY OPTIONAL DEVICES 6. Install the power control circuit. Shielding Cover Follow the procedure below to install the power control circuit in the transceiver. 1) Connect the cable B with a connector on the power control circuit to CN6 on the TX-RX PCB. ( Figure 3-1.) 2) Connect the 2-pin connector to the external antenna tuner connector that was removed in step 3 to the...
  • Page 40 3 INSTALLING THIRD PARTY OPTIONAL DEVICES Terminal Specifications of the TS Signal: The TS signal is pulled up to 5 V DC at 10kΩ. 3.4.4 Configuration by using KPG-102D If the power of the other antenna tuner connected to the transceiver is controlled, configuration of the antenna tuner control must be enabled by using KPG-102D and the configuration data must be written to the transceiver.