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Second mixer....................4-6 Noise limiter....................4-6 455 kHz filter and IF amplifier..............4-7 Demodulator....................4-7 Automatic gain control................4-7 Voice mute ....................4-9 Volume control and audio output amplifier ..........4-10 Low voltage Tx inhibit ................4-10 Transmitter exciter....................4-11 Microphone amplifier/compressor ............4-11 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
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C buses ....................4-26 Keypad ...................... 4-26 Select control .................... 4-27 Volume control ..................4-27 Display ...................... 4-27 Microphone keypad .................. 4-28 Data input/output ..................4-28 "S"+ RF indicator..................4-29 Mute indicators ..................4-29 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
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Antenna Control ..................4-39 PA assembly 4404 ..................4-40 Options........................4-41 Option AM ....................4-41 Option CW ....................4-41 Option F.....................4-41 Option GP....................4-42 Option M ....................4-42 Option PH....................4-42 Option STE (9390 only) ................4-43 Accessories ......................4-44 RS232/I C Interface ..................4-44 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
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Replacement of PA transistors..............5-15 Control keypad..................5-16 Displayed error messages................5-16 Channel additions Programming transmit frequencies TxD/TxE ............6-2 Tx/Rx programming procedure................6-3 Deleting a channel ....................6-7 Adjustments Introduction ......................7-1 Test equipment required..................7-2 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
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Frequency adjust USB................7-21 Frequency adjust LSB ................7-21 Mute adjustment ....................7-22 PA adjustments ....................7-23 Driver bias ....................7-23 PA bias ......................7-23 Output power.....................7-24 Output power 27 MHz band (9323 only) ..........7-25 Intermodulation ..................7-26 Receiver performance checks ................7-28 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
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Figure 2-6: Front panel of HF SSB Transceiver 9780 ............2-3 Figure 2-7: Extended control head (9782) of HF SSB Transceiver 9780......2-4 Figure 2-8: Rear panel of HF SSB Transceivers 9323, 9360, 9390 and 9780...... 2-4 Figure 3-1: 9323, 9360, 9390 and 9780 PCB block diagram ..........3-2 Figure 6-1: Microprocessor and Audio PCB extract .............
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Table of contents Figure 7-2: Ripple response....................7-15 Figure 7-3: Circuit for test jig....................7-17 Figure 7-4: Test setup......................7-26 viii HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
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Table 7-7: Power output PEP vs measuring instrument ............7-25 Table 7-8: Power output PEP vs measuring instrument ............7-32 Table 8-1: Resistor and capacitor abbreviations..............8-1 Table 8-2: Parts list index.......................8-2 Table 9-1: List of drawings.....................9-1 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
About this manual This manual provides a technical description, details and drawings of the 9323, 9360, 9390 or 9780 transceiver. It should be used as a guide to the function, technical operation, fault diagnosis, dismantling, assembly, set up and adjustment of this series of transceivers.
EEPROM electrically erasable programmable read-only memory electromotive force Emgcy emergency EPROM erasable programmable read only memory emergency selcall et cetera, and so forth external field-effect transistor frequency shift keying HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
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OR logic NPN transistor type negative temperature coefficient output open circuit logical OR function peak peak to peak power amplifier PA/OP power amplifier/output personal computer printed circuit board potential difference peak envelope power HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
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+ noise + distortion-to-noise + distortion ratio select on test single sideband TCVR transceiver tinned copper wire total harmonic distortion to program enable transmit; transmitter upper sideband voltage controlled oscillator voltage dependant resistor VSWR voltage standing wave ratio HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
Relay, key switch Inductor Indicating device—meter etc Plug Resistor Switch Transformer, common mode choke Test Point Modem, Modulator Semiconductor (not including small signal and power diodes) Terminals Quartz Crystal, Crystal Filter, Frequency Network HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
About this manual Units Abbreviation Unit Ampere °C degrees Celsius Coulomb decibels Farad gram hour Henry Hertz Joule Kelvin litre metre minute Newton Pascal Siemens second Tesla Volt Watt Weber Ω HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
Mega one million kilo one thousand hecto one hundred deca deci one tenth centi one hundredth milli one thousandth µ micro one millionth nano one thousand millionth pico one million millionth HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
• HF SSB Transceiver 9780 Reference Manual (Codan part number 15-04083) Other documents If you a need to program the 9323, 9360, 9390 or 9780, refer to the XP programming guide (Codan part number 15-04035). If you need to service the PA and Exciter Interface associated with the Codan Power Amplifier type 4404, refer to the HF 4000 series Technical Service Manual (Codan part number 15-02037).
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About this manual 1-10 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
9780 9782 For the 9323 or 9360, channel capacity up to 400 single or two-frequency simplex channels with limited user input channel text. For the 9390, channel capacity is up to 650 single or two-frequency simplex channels with limited user input channel text (consisting of 400 user programmable channels and 250 fixed ITU channels.
Front and rear panel diagrams Figure 2 -1: Front panel of HF SSB Transceiver 9323 Figure 2 -2: Extended control head (9330) of HF SSB Transceiver 9323 Figure 2 -3: Front panel of HF SSB Transceiver 9360 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
General information Figure 2 -4: Extended control head (9366) of HF SSB Transceiver 9360 Figure 2 -5: Front panel and extended control head (9391) of HF SSB Transceiver 9390 Figure 2 -6: Front panel of HF SSB Transceiver 9780 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
General information Figure 2 -7: Extended control head (9782) of HF SSB Transceiver 9780 Figure 2 -8: Rear panel of HF SSB Transceivers 9323, 9360, 9390 and 9780 For an explanation of the function of knobs, buttons and connectors on these panels, see the relevant User Guide or Reference Manual.
Channel frequencies and options can be copied from one transceiver to another via the microphone socket Controls Sealed membrane switches on the control panel and microphone keypad Rotary controls for volume and select functions HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
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250 mm W x 90 mm H x 70 mm D Depth measurements include rear connectors/cables Case: Silver-grey Finish Panel surround and heat sink: Matt black Panel overlay: Lexan—Matt black (extended TCVR only) Painted surfaces are scratch-resistant textured polyester powdercoat HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
A signal 90 (85) dB above a signal producing 10 dB SINAD, Cross modulation modulated 30% and removed at least 20 kHz from the wanted signal, will produce an increase in receiver noise of less than 3 dB HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
100% all modes up to maximum ambient of 45°C with Option F Output power: 100/125 W Supply current Two-tone or CW: 9 to 12 A Average speech: 6 A for battery life calculations HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
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A 10 dB increase in signal input above compression threshold produces less than 0.5 dB increase in power output Maximum ALC range greater than 30 dB ALC attack time approximately 1 ms Dynamic type Microphone HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
Momentary 0 V = PWR On Power On Data I 5 V logic No Connection Clock I 5 V logic "S" & RF 4.5 to 0.25 V Rx 0 to 4.25 V Tx Ground 2-10 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
Channel Number bit 1 Active low (Open Collector) Channel Number bit 2 Active low (Open Collector) Tuned In 5 V logic, Active low "A" Rail +13.6 V nominal "A" Rail +13.6 V nominal Ground Ground HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 2-11...
Table 2 -9: Programming cable connector pin function 9-Way Computer 7-Way transceiver Pin Function Serial Port Socket Microphone Socket Data from transceiver Data to transceiver 5 series Thermistor Ground (Thermistor = 50 Ω 80°C) 1/7 link Speaker Link HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 2-13...
Codan part number 08-05138-001 Table 2 -10: Cloning cable connector pin function 7-Way Transceiver 7-Way Transceiver Pin Function Microphone Socket Microphone Socket Data I/O Data I/O Ground 1/7 link 1/7 link Speaker Link 2-14 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
Morse Headphone output Selcall Selcall Lockout Included as standard in the 9360 Included as standard in the 9323 or 9360, optional in 9390 only The following options are available for 9780: Code Options Enable AM capability Fit for 1.6 to 2.25 MHz transmit frequency range...
Brief description This section of the manual provides a brief description of the major components and circuit functions of the 9323, 9360, 9390 or 9780 transceiver as follows: • control and switching functions • synthesiser operation • receive path • transmit path For an in-depth review of these functions see chapter 4 , Technical description.
The signal routing is determined by switching and control voltages according to the mode selected. The circuits and functions of the 9323, 9360, 9390 or 9780 are located on four major PCBs as shown in Figure 3-1: •...
The rotary volume control is a digital contacting encoder. It controls a 16-step attenuator in the audio signal path between the preamplifier (after the demodulator) and the amplifier. This drives the loudspeaker. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
Serial data representing the various pre-programmed channel frequencies is loaded into both synthesisers. When upper sideband is selected, the 9323, 9360, 9390 or 9780 uses a single crystal reference oscillator of 7304 kHz. The reference oscillator is also used to provide the 456.5 kHz (7304 kHz divided by 16) signal for the audio...
The signal from the volume control is applied to a power amplifier IC to drive the transceiver’s loudspeaker. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
The VSWR detector monitors the forward and reflected power and controls the power output of the transmitter. If a high VSWR is detected, the power output is reduced to protect the PA. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
Technical description This section of the manual contains a technical description of the 9323, 9360, 9390 or 9780 transceiver and 9330, 9366, 9391 or 9782 control head. It should be read together with the drawings in chapter 9, Drawings. Control and supply voltages...
Table 4 -14: PA and Filter PCB supply voltages Supply Description Regulator "A" rail unregulated battery supply +5 V 5 V regulated supply selected in transmit only +5 V 5 V supply (supplies IC1 only) HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
• the optional PCB output P204 pin 12 • the mute squaring amplifier IC307/B via R365 and D307 (see Sheet 3) The DC applied to IC307/B applies a small offset to disable the squaring amplifier during transmission. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
RF amplifier. At the same time, D15 is switched off, as the cathode is held approximately 2 V positive with respect to the anode. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
Noise bursts produce positive going pulses at the collector of V201 and trigger, via V202, the monostable flip-flop IC6A/B. The pulse width is determined by C208 and R210 (nominally 250 µs). HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
When the receiver is at maximum gain, the AGC at the output of IC205/A pin 1 (TP205) (see Sheet 2) is nominally 5.5 V. This is set by the resistor divider R257 and R258 in conjunction with the gain setting resistors R254 and R259. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
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2 ms and 0.5 s respectively. Resistor/diode networks R276/D207 and R277/D208 are connected to outputs on IC209 (pins 4 and 5) and can be grounded, under software control. This reduces the AGC decay time constant when required for special applications. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
The microprocessor then sets the mute switch IC114 pin 19 high and closes the mute gate IC206/D (see Sheet 3). The audio is then passed to the volume control circuit. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
9 V, the output of IC211A is pulled low thus disabling the PTT line connected from IC209 pin 6 via R275 to transistor switch V212. This function prevents the transceiver latching in Tune mode when the supply voltage drops below 9 V. 4-10 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
The output of amplifier IC204/B is connected to the inputs of IC205/A and IC205/B forming a window comparator. The window is set by the divider chain R204–R207 to be centred at 5 ±0.25 V. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 4-11...
DC via R46 to pin 4 and bias current via R50 to pin 11. The filtered "B" rail is applied to the mixer output pins 3 and 14 via the centre tap of output transformer T4. 4-12 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
Rx/Exciter PCB [1 04-02972 and 04-03135 Sheet 2] to latch output at pin 6 high and pin 10 low. The high on IC209 pin 6 enables the transmit mixers and disables all of the receive functions (see page 4-4, Receive/Transmit switching). HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 4-13...
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Z202. The carrier appearing at the output of the second mixer IC5 will be at the frequency of the selected channel (SCF) and is used for tuning automatic and manual antennas. 4-14 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
IC10 is a complex chip that contains two programmable dividers and a phase comparator. The phase comparator compares two input signals of the same frequency and outputs a voltage that is dependent on their relative phase. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 4-15...
C104 and R66 to the input of synthesiser IC9 pin 4. Synthesiser IC9 generates a DC control voltage via the phase/frequency detector and control amplifier. This is applied to the varicaps to lock VCO1 to the nominated frequency. 4-16 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
LPF to control the DC, while presenting a high impedance to the oscillator circuit. Component IC14 is powered from the 18 V output of the charge pump power supply IC11 and associated components. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 4-17...
B. This produces a balanced output signal of 456.5 kHz signal at pin 8. From here it is applied via the attenuator network (R269, R270, R271 and R272) to the balanced local oscillator inputs of modulator IC202 and demodulator IC203 pins 8 and 10. 4-18 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
IC206/C. The signal is then fed via the NOR gate IC206/B and the dividers IC207/A and B (used for USB) to the modulator and demodulator to produce the required local oscillator frequency of 453.5 kHz. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 4-19...
An audible indication is given when the clarifier reaches its upper or lower limit. The clarifier automatically resets to the mid frequency when another channel is selected or the transceiver power is interrupted. 4-20 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
Tone generation) The microprocessor is reset if the supply voltage ("A" rail) falls below 9 V. The reset circuit consists of a voltage detector and power up reset circuit IC107B and associated components. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 4-21...
IC210—E PROM is a 2 kbit memory device located on the Rx/Exciter PCB [1 04-02972 and 04-03135 Sheet 2] and is not used at present. It will be available for future applications. 4-22 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
29 applied to IC106 pin 21. The three audio outputs pins 10, 13 and 17, are filtered by a resistor/capacitor network and provides the audible signals required for emergency call, selcall and warning beeps etc. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 4-23...
1 then it follows the channel numbers up to channel 8. It then starts a zero for channel 9, a one for channel 10 and so on. 4-24 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
IC113/E and R156 to the base of switching transistor V106. Except during programming, IC101 pin 21 is high resulting in V106 conducting, which in turn sets IC105 pin 27 high (write protect). HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 4-25...
The columns are held low. One line is driven direct from IC2 pin 11. The remaining three lines are buffered by open collector transistors V1, V2 and V3, which are driven from pins 14, 13 and 12 respectively. 4-26 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
Pulse Width Modulation appearing across C13 determines the DC output of IC8/A pin 1. This sets the VEE level to the LCD for the required viewing angle. It has a control range between –3 and −4 V. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 4-27...
RXD input of the microprocessor IC2 pin 4. The data from the microprocessor IC2 pin 25 (TxD line) is passed to the buffer/inverter V7. From here the data goes via P3 pin 3 to J3 pin 5 and then to the computer input. 4-28 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
LEDs has its own 390 Ω current limiting resistor. When the back lighting to the LCD is set to minimum, transistor V11 is switched off reducing the intensity of the front panel back light. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 4-29...
V15 drives the pre driver stage V16. The components R51, L20 and C97 (in the emitter circuit) provide high frequency peaking. The output of V16 is coupled to the driver stage via transformer T2. 4-30 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
1.6 MHz. The filter is attached to the rear of the heatsink and is relay selected by a low on IC114 pin 18 [104-02976] via the antenna control connector J202/2. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 4-31...
R18 are shorted out by the FET switch V7 (+5 V on gate) and do not contribute to the chain. The nominal high power output, which is measured at low frequency, is set by R16 (SOT). 4-32 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
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IC3/A (coupled via D9 into the ALC control circuit) will go high. This will reduce the drive to the output transistors to a safe level by lowering the gain of the input amplifier V14. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 4-33...
PWM line) until the difference voltage equals zero. This sets the VCO to half way between the two operating FSK tones. For fast calibration on power up, the microprocessor retains this setting in the E PROM IC108. 4-34 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
IC303/B to give a reference voltage equal to the main frequency of the FSK signal. The result is that IC303/B regenerates the data and ignores any frequency shift in the RF path. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 4-35...
45 seconds. The transmission may be cancelled anytime by: • pressing Tune • pressing PTT on the microphone • switching off the transceiver 4-36 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
Test again or by operating PTT on the microphone. The marine emergency alarm is available on all channels and does not have to be enabled as with emergency calls (RFDS) and tone calls. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 4-37...
PA Exciter Interface 108-05226 and 04-03092 The 9323, 9360, 9390 or 9780 series transceivers may be fitted with a PA Exciter Interface assembly replacing the 100/125 W PA assembly. Transceivers fitted with the PA/Exciter Interface assembly are identified by a letter H suffixed to their type number, which is located on the rear of the panel.
P3/6, 7 and 9 to the PA/Exciter Interface PCB [1 04-03092]. This enables the SCAN, TUNE and TUNED IN control lines to be connected to the PA assembly 4404 via the connecting cable between the two units. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 4-39...
Technical description PA assembly 4404 Details on the Codan PA assembly 4404 are available in a separate Technical Service Manual, Codan part number 15-02037. 4-40 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
The 9390 has AM transmission as standard on the 2182 distress channel. Option CW Option CW is used in the 9360 range of transceivers that have the 500 Hz CW filter fitted. When this option is fitted, the standard SSB filter (Z202) [1 04-03135] is removed and an extra PCB [108-05259] with two filters is added.
The headset signal is slightly attenuated by two 330 Ω resistors in the line. This makes volume adjustment unnecessary when changing to or from headset operation. This option is only applicable to front control transceivers. 4-42 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
Option STE (9390 only) Option STE allows 9390 users to send selective calls to a single transceiver or a group of transceivers. If this option is fitted, see page 4-34, Selective calling. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 4-43...
C Interface unit is used to provide an additional two serial ports for transceivers 9323, 9360 and 9390 or remote control console 8570. The unit would normally be located at the transceiver end of the "Option R" cable. It can be located next to an extended control head but requires a special cable between the Interface unit and the control head.
Technical description 1 04-03086 The RS232/ I C Serial Interface unit is used to interface transceivers 9323, 9360 and 9390 or the remote control console 8570 via the I C bus of the "Option R" connector. The 87C654 microprocessor controls the I C bus protocols and data exchanges to the transceiver or control console.
Maintenance This chapter provides maintenance and fault finding procedures that can be carried out on the 9323, 9360, 9390 or 9780 transceiver. It covers general warnings and cautions to be observed when working with electronic equipment. This chapter also outlines fault finding steps when receive and transmit failures occur and provides removal and installation procedures.
It is essential that these types of components are installed correctly. If necessary, consult the manufacturer's data for indications of the polarity of diodes, capacitors and transistors. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
PA and Filter PCB. The supply voltage is applied to the PA at all times when the transceiver is switched on. Caution should be exercised when connecting probes. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
There are also a few fitted on other PCBs in the transceiver. The removal or replacement of these components should only be attempted by a skilled technician experienced in handling surface mounted components. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
Slide the cover into the front surround and lower the back of the cover on to the frame. Replace the two screws that secure the cover to the front surround and the two retaining screws. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
Remove the eight screws securing the screen cover to the PA assembly and remove the cover. The PA output transistors can be replaced without removing the PCB from the heatsink (see page 5-15, Replacement of PA transistors). HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
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Replace the earth screw and the three screws that hold the rear panel to the heatsink. Replace the screws that hold the PCB to the heatsink. Replace the four screws that hold the PA transistors to the heatsink. Replace capacitors C107 and C108. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
The replacement of the surface mounted components should not be attempted except by a technician experienced in handling surface mounted components. Re-installing the Display Panel PCB Replace the Display Panel PCB. Connect the three connectors to the Display Panel PCB. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
If you need to operate the control head while the cover is off, remove the P-clip clamping the cable before refitting the connector. Removing the Display Panel PCB Follow the procedure on page 5-8, Front panel. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
IC. Reading the technical description and understanding how the transceiver functions will assist in diagnosing any possible faults that may occur. 5-10 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
+5 V ±0.2 V regulated (supplied from +5 VB IC203 Microprocessor & Audio PCB) +18 V ±1 V charge pump supply +18 V IC11 +26 V ±1 V charge pump supply +26 V IC11 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 5-11...
IC5 and IC8 do not have DC on pins 4 or 11 (< 0.5 V) [1 04-02972 and 04-03135]. Check the modulator IC202 has no DC applied to pin 5. 5-12 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
If VCO2 has failed, check that 18 V is present at the control amplifier IC14/A pin 8 [1 04-02972 only]. Check that VCO1 and VCO2 are oscillating. The frequencies at TP4 (VCO1) and TP8 (VCO2) should be within the range indicated on the diagram. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 5-13...
Replace the screw that secures the output transformer to the heatsink. Solder the output transformer primary to the collectors and solder in capacitors C107 and C108. Re-adjust the bias current (see page 7-23, PA adjustments). HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 5-15...
ALE Controller 9300/9600. BAD ALE ACK Failure to communicate with ALE Controller 9300/9600. Bad record type XX Data was corrupted during XP programming. Bad type/inst XX/XX The transceiver detected an internal data fault. 5-16 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
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Serial EEPROM Fail XX Detected error in writing data to Serial PROM IC108 [1 04-02976 Sheet 1]. Unknown error: XX The transceiver detected an unknown data error. Unlock Error VCO1 VCO1 unlocked. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 5-17...
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Maintenance Message Description Unlock Error VCO1 and 2 VCO1 and VCO2 unlocked. Unlock Error VCO2 VCO2 unlocked. Writing SEE defaults Now reprogramming serial E PROM with default settings. 5-18 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
This stops you from accidentally deleting the protected channels. When the TPE link is fitted with the TxD or TxE option, protected channels can be deleted or changed. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
0.25 to 30 MHz. CB channels cannot be programmed. See page 6-3, Tx/Rx programming procedure for a step by step procedure of how to program a new receive and transmit channel. Figure 6 -1: Microprocessor and Audio PCB extract HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
If you have Option TxD fitted, you will not be able to program transmit frequencies. You are able to program receive frequencies only. The protected channels installed by Codan should have transmit frequencies. You can copy these frequencies to new channel numbers. If you alter the transmit frequency, the channel will automatically become a receive-only channel.
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If you want to change the channel to a receive-only channel, enter a transmit frequency of 0 Hz. If you do not want to change the transmit frequency, proceed to the next step. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
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The selcall group will be selectable even if you do not have Option S or ST fitted. In this case, your selection will be used for emergency selcalls only. Rotate Volume to highlight the selcall group. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
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Enter the channel comment using Select and Volume. If you do not want to change the channel comment, proceed to the next step. Press F2(ENTER) to save the channel settings. The display returns to Channel mode. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
Is Emergency Channel. You will not be able to delete the channel until it is removed from the preset emergency channels. If you do not want to delete the channel, press F2(NO). The display returns to Channel mode. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
Preset adjustments, which are normally factory-set, will require attention only if components that affect their settings are replaced. The 9323, 9360, 9390 or 9780 transceiver is provided with a special Test mode (see page 7-5, Test mode) that assists you to: •...
No test point provided but can be checked at a number of places, for example, R43 or PTC R34 DC supply to IC1 (V1) +5 V ±0.25 V V1 Zener Can be checked at IC1 pin 5 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
The high stability oven operates at a temperature of 65°C ±5°C. If measured externally, it will indicate approximately 5°C lower than the operating temperature. The oven is not adjustable and should be replaced if found to be faulty. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
Sets Rx frequency to 12.6 MHz For aligning L4 in 18–30 HPF, see page 7-12, HPF/LPF filter alignment. Selects HPF 18–30 For 1.6 MHz Option LF fit 1.6 link on Rx/Exciter PCB after this test. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
Returning to Normal mode Switch off the transceiver. Remove the shorting link from Link 1. Replace the shorting link to its normal parked position. The transceiver will return to its normal operating mode. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
RF amplifier off. All remaining channels (1 to 19) have the talk power off. This allows the two-tone transmit signal to be viewed on the oscilloscope without the ripple being displayed. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
Power Select 1.6-2.25 1.6-3.1 Only with option LF fitted 2.25-3.45 2.0-3.1 3.1-4.8 3.45-5.35 4.8-7.47 5.35-8.2 7.47-11.6 On 8.2-12.65 10.2 12.6 11.6-18.0 On 12.7 12.65- 19.5 16.5 19.4 18.0-30.0 On 19.5 19.5-30 29.8 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
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(1 to 28) have the talk power off. This allows the two-tone transmit signal to be viewed on the oscilloscope without the ripple being displayed. All channels have the following enabled: • USB/LSB/AM • Emergency Call • Selcall • Two-tone HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
Check the voltage at TP5 (TP9) reads between 2-5 V. The frequency at TP8 should measure 44.5405 MHz ±100 Hz (44.54145 MHz ±100 Hz). If the measurements are not within the stated limits, adjust VCO2 (see page 7-11, VCO2 adjust). 7-10 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
44.5485 MHz ±100 Hz (44.5495 MHz ±100 Hz). Select Test 3. Check the voltage at TP5 (TP9) reads 2-4 V. The frequency at TP8 should measure 44.5405 MHz ±100 Hz (44.5415 MHz ±100 Hz). HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 7-11...
Set the signal generator frequency to the correct frequency according to the list above. Adjust the output level for approximately +10 dB above the noise level indicated on the audio meter (1 kHz tone should be heard in the speaker). 7-12 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
Alignment of the LPFs is not necessary, as each coil is pre-aligned. The following is provided for information only: Coil Frequency L21, L24 55 MHz L22, L25 45 MHz L23, L26 100 MHz HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 7-13...
Channel one Timebase 2 ms per division Trigger External Adjust the trigger for a constant sweep Adjust transformers T3 and T4 and inductor L30 for a minimum ripple response (see Figure 7-2). 7-14 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
Adjust transformers T3 and T4 and inductor L30 for less than 2 dB ripple over 15 kHz span centred at 455 kHz. If desired, the vertical level can be changed to 2 dB per division to improve the resolution. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 7-15...
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BPF at a frequency of 455 kHz. Remove the shorting link to B–E and return it to its parking position (ground pins of link E–E). 7-16 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
This opens the synthesiser control loop by disconnecting the DC control line to the varicaps D20-D23. Remove the shorting link parked on the two ground pins E-E and fit to B-E of noise limiter TP202. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 7-17...
Microprocessor PCB and return it to its parking position (see Figure 7-1). Alignment—method 2 This alignment method is the same as given for 45 MHz filter alignment for assembly 08-04962 (see page 7-15, Alignment—method 2). 7-18 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
Connect a 1X probe to position A (part of noise limiter TP202). Set the oscilloscope to a sensitivity of 10 mV per division. Adjust T202 for maximum amplitude. Remove the shorting link to B–E and return it to its parking position (link E–E). HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 7-19...
It may be necessary to solder link to C55 or C56 (never both together) to improve the balance. The unwanted 18 MHz product should be greater than 60 dB below the 27 MHz signal. Re-seal R22. 7-20 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
Adjust frequency in the USB (see page 7-21, Frequency adjust USB). Remain on the same channel and leave the frequency counter connected. Select LSB. Press the Tune button on the control panel. Adjust C243 for 26.5 MHz ±5 Hz. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 7-21...
The mute should now be sensitive enough to operate on the weakest signal without false triggering on noise pulses. The sensitivity may be varied from this setting to suit individual requirements (counter–clockwise to increase sensitivity). 7-22 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
Select any transmit channel and operate the PTT (Transmit mode). Check the output transistor current measures 300 mA ±30 mA. If the current is out of the specified limits stated above, adjust preset potentiometer R59 to 300 mA ±30 mA. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 7-23...
Select transmit (PTT) and adjust the two-tone level (use the level adjust on the test unit) for microphone compression. Adjust the Oscilloscope "Y" sensitivity for on-screen display and adjust the trigger for a stationary waveform. Adjust the two-tone balance control for good crossover display. 7-24 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
Both channels are 27 MHz. Proceed as detailed on page 7-24, Output power. Select a value for SOT R17 for less than 12 W PEP (5 W average). Check the two-tone waveform is clean and undistorted. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 7-25...
Select the lowest frequency in the test channel (i.e. test channel 2 for the 2 to 26.5 MHz PA). Connect the signal generator to provide two-tone audio (700 Hz and 2300 Hz) via the test unit to the microphone socket. 7-26 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
AC voltmeter. Take note of the reading. Reduce the signal generator output until the receiver output drops by 6 dB. The signal generator level should be less than 2.5 µV PD (−99 dBm). 7-28 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
Select knob in a clockwise and counter-clockwise direction. Check that the marker on the display moves left and right, and that pips are heard at the limits of each end of the control. HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 7-29...
TP202 located on the Rx/Exciter PCB [1 08-04962 and 08-05322]. The noise from the square-wave generator should swamp the wanted signal from the signal generator. This test will verify the noise limiter is functioning correctly. 7-30 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
Select a test channel. Operate the Emgcy Call and check the following: Approximately 100 W PEP Output power Modulating tones Approximately of equal amplitude (viewed on the oscilloscope) Heard in the loudspeaker 7-32 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual...
Orders for replacement components must include the following information. This will ensure that the correct parts are supplied and help speed up delivery times. • equipment type (e.g. Type 9323, 9360, 9390 or 9780 transceiver) • component location (e.g. Rx/Exciter PCB, 08-04962) •...
Drawings The drawings in this chapter consist of the mechanical and electrical diagrams required to maintain the 9323, 9360, 9390 or 9780 transceiver. Table 9 -1: List of drawings Title Drawing Drawing No Control Head Layout 16-00109-001 16-00109-002 Transceiver Layout 03-00902 9323, 9360, 9390 &...
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