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VHF FM TRANSCEIVER
TK-7150
SERVICE MANUAL
© 2002-10 PRINTED IN JAPAN
( )
B51-8633-00 N 843
Microphone
(T91-0621-15)
Cabinet
(A01-2185-12)
Knob Key top Panel assy
(K29-9221-03) x 2 (K29-9222-02) (A62-1037-03)
CONTENTS
GENERAL .................................................. 2 ADJUSTMENT ........................................ 34
SYSTEM SET-UP ...................................... 3 PC BOARD
OPERATING FEATURES .......................... 4 DISPLAY UNIT (X54-3400-10) ............ 45
REALIGNMENT
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TK-7150 GENERAL 3-2. Testing INTRODUCTION The radio should be tested complete with all cabling and SCOPE OF THIS MANUAL accessories as they will be connected in the final installation. This manual is intended for use by experienced techni- Transmitter frequency, deviation, and power output should cians familiar with similar types of commercial grade commu- be checked, as should receiver sensitivity, squelch operation, nications equipment. It contains all required service informa- and audio outp
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TK-7150 GENERAL / SYSTEM SET-UP 5-2. Radio location SERVICE Select a convenient location for your control station radio This radio is designed for easy servicing. Refer to the which is as close as practical to the antenna cable entry point. schematic diagrams, printed circuit board views, and align- Secondly, use your system’s power supply (which supplies ment procedures contained in this manual. the voltage and current required for your system). Make sure sufficient air can flow around the ra
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TK-7150 OPERATING FEATURES ! PTT switch 3 1. Controls and Functions To transmit, press and hold this switch, then speak into 1-1. Front Panel the microphone. Release to receive. qw er 1-3. Display CALL MON SCN SP OP AB OS y u t i! o !0 1 !2 Indicator Description Displays the zone, group ID, and channel 1-2. Microphone numbers. Also displays various functions which have been programmed by your dealer. Appears when the squelch opens during a CALL 2-Tone or DTMF call. Appears when the key program
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TK-7150 REALIGNMENT 1. Modes 3. Panel Test Mode Setting method refer to “ADJUSTMENT”. User mode [PF3] Panel test mode Panel tuning mode 4. Panel Tuning Mode [PF1]+Power on Setting method refer to “ADJUSTMENT”. PC mode FPU data programming mode 5. PC Mode PC test mode PC tuning mode 5-1. Preface [PF5] Firmware program- Checksum The transceiver is programmed by using a personal com- ming mode display mode puter, programming interface (KPG-46) and programming [PF4] software (KPG-79D). Clone mode Th
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TK-7150 REALIGNMENT 5-5. Programming With IBM PC Firmware checksum display If data is transferred to the transceiver from an IBM PC PROG 57600 with the KPG-79D, the destination data (basic radio informa- PROG 57600 [PF4] tion) for each set can be modified. Normally, it is not neces- [PF5] PROG 19200 sary to modify the destination data because their values are SUM=[ ] [PF4] **** determined automatically when the frequency range (fre- [PF4] PROG 38400 quency type) is set. [PF4] The values
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TK-7150 INSTALLATION 1. Installing Name Plate 3. External Speaker (KES-5) Punch out the name plate card. Then insert the plates The external speaker output from the accessory connector onto the relative function keys. (6 pin) on the rear of the transceiver is 13W/4Ω. Use the KES-5. You can reconfigure the name plates at any time. 3-1. Connection for the KES-5 with the TK-7150 Punch out the ■ When taking the AF output from the accessory name plate cards connector (6-pin) on the rear of the rad
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TK-7150 INSTALLATION 4. Use as Public Address Speaker 1. Remove the short plug from the 6-pin accessory connec- tor on the rear of the radio. (Remove the jumpers as de- scribed in Section 3-1.) 2. Cut off the end of the protective cover, insert the speaker cable into the protective cover, and insert it into pins 2 and 3. 3. Install the plug and protective cover on the accessory con- nector on the rear of the transceiver, then clamp the bot- tom of the protective cover with the supplied tie wrap.
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TK-7150 INSTALLATION 6-2. ANI Board Connection 6. Optional Board ■ Modification 6-1. Voice Scrambler Board Connection 1. Remove the cabinet and shielding cover from the trans- ■ Modification ceiver. 1. Remove the cabinet and shielding cover from the trans- 2. Remove the panel. ceiver. 2. Remove the panel. ■ Connection 3. Delete R798 and R866 on the TX-RX unit. Join the CN700 connector to the ANI board via the E37- 0808-05 connector cable. ■ Connection When the ANI board QE-2 is used, you must al
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TK-7150 INSTALLATION 7. Wiring of the Cable for Installing the 8. Horn Alert Function The HR1 and HR2 pin of the accessory connector (25-pin) Built-in Type GPS Unit or Other PC Board on the rear of the transceiver is a relay and maximum current 1. Loosen the 2 screws ( 1 ) to remove the D-sub 25-pin is 1A. connector. 2. Looses the 4 screws ( 2 ) to remove the Hardware fix- 8-1. Modification ture. 1. Remove the cabinet and shielding cover from the trans- 3. Remove the CN704 connector with the 6-p
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TK-7150 INSTALLATION The C89 and C90 must 9. Special Instructions for Replacing the contact securely the Top view Q5 package Final Amplifier Q5 To replace the Final Amp Q5, ensure to follow the instruc- tions given below: 9-1. C89 and C90 Positions 1. Ensure to solder C89 and C90 to securely contact Q5. Q5 Note : The TX power may vary depending on the position of C89 and C90. C90 C89 9-2. Soldering 1. Ensure to solder C89 and C90 with the earth spring legs as illustrated in Fig. 9-3. Note : Us
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TK-7150 CIRCUIT DESCRIPTION 2-2. First Mixer 1. Outline The signal from the BPF is heterodyned with the first local The TK-7150 is a VHF/FM transceiver designed to operate oscillator signal from the PLL frequency synthesizer circuit at in the frequency range of 136 to 174MHz. Transmission out- the first mixer DBM (Q209, Q210, Q211 and Q212) to be- put power is 50 watts. The maximum channel capacity is come a 44.85MHz first intermediate frequency (IF) signal. 128. The first IF signal is fed thr
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TK-7150 CIRCUIT DESCRIPTION 2-4. Audio Amplifier 3-1. Microphone Circuit The recovered audio signal obtained from IC201 is ampli- The signal from the microphone passes through the mute fied and anti-aliasing filtered by IC712 (A/2), inputted to the switch (Q901) and is then routed to the Display unit (X54-340) AINR terminal of CODEC IC (IC713), and audio processed by and TX-RX unit (X57-657). The signal then passes through DSP (IC710). The processed audio signal from AOUTR termi- the AGC circu
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TK-7150 CIRCUIT DESCRIPTION 3-4. Automatic Power Control, Circuit and Transmitter 1/3360 or a 1/2688, 1/2240 fixed counter in IC501, at the phase comparator in IC501. The VCXO operates at 16.8MHz The automatic power control (APC) circuit stabilizes the and its frequency stability is maintained within 2.5ppm (tem- transmitter output power at a predetermined level, and con- perature range of –30 to +60 degrees). sists of forward/reflected power detector circuits. The for- The phase comparator ou
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TK-7150 CIRCUIT DESCRIPTION 5-3. DSP Circuit dio : turn on). When IGN falls, the CPU (IC701) output the pulse to IC102 set line to reverse the output Low → High The DSP circuit filters transmit/receive audio signal and after the programmed time expire (Timed power off func- encode/decode signalling (QT, DQT, MSK, DTMF, 2-Tone, tion). LTR ID). This circuit consists of IC710, IC706, IC707, IC708, If 24V is supplied to the radio by mistake, Q102 turns on, IC709 and IC713. Q101 turns off, the powe
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TK-7150 SEMICONDUCTOR DATA 1. CPU : 30620M8A-5H1GP (TX-RX Unit IC701) 1-1. Pin Function Pin No. Name I/O Function Pin No. Name I/O Function 39 HOLD I Cannot Use (BUS Hold) 1 I/O Go to port check mode 40 HLDA O Cannot Use (BUS Hold Status) L : Port check mode, H : User mode 41 BCLK O Cannot Use (Sys Clock Output) 2WNO Wide/Narrow H : Narrow, L : Wide 42 RD O Flash ROM : RD, DSP : HDS1 3 8RC O 8R Control H : 8R on, L : 8R off 43 BHE O Cannot Use (BUS High Enable) 4 INTx O INT Request to DSP L : IN
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TK-7150 SEMICONDUCTOR DATA 2. Shift Register 1 : BU4094BCFV (TX-RX Unit IC702) Pin No. Port Name Name I/O Function 2-1. Pin Function 9QsQsO No Connect Pin No. Port Name Name I/O Function 10 Qs’ Qs’ O No Connect 1 STROBE STB1 I From CPU STB1 (Pin No.25) 11 Q8 AC O Scrambler ON/OFF (For SCR) 2 SERIAL IN DATA I From CPU Common Data (Pin No.22) L : Scrambler on, H : Scrambler off 3 CLOCK CLK I From CPU Common Clock (Pin No.23) 12 Q7 BUSY O Channel Busy (For ANI) 4Q1 MI2 O External Mic Mute L : Busy,
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TK-7150 SEMICONDUCTOR DATA 5. Display CPU : 30622M4A-443GP (Display Unit IC904) 5-1. Pin Function Pin No. Name I/O Function Pin No. Name I/O Function 41 PF3 I PF3 Key Input 1 DISP O LCD Display ON/OFF L : On, H : Off 42 PF4 I PF4 Key Input 2~5 O Not used 43 PF5 I PF5 Key Input 6 BYTE GND 44 PF6 I PF6 Key Input 7 CNVss GND 45~49 O Not used 8O Not used 50 BCK2 PF Key Backlight Control L : Off, H : On 9 SFT O Beat Shift L : Shift off, H : Shift on 51 TP3 I Head Check Mode L : Head check mode, 10 RE
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TK-7150 SEMICONDUCTOR DATA 6. DSP : 320VC5402PGE (TX-RX Unit IC710) 6-1. Pin Function Pin No. Name I/O Function Pin No. Name I/O Function 1,2,12,15, NC1~NC18 - Not used (No connect) 53 BFSX0 I Frame sync.for transmitter input 35~38, (LRCK : 19.2kHz) 71~74,80, 54 BFSX1 I Not used (No connect) 90,110,126, 55 HRDY - Not used (No connect) 143,144 59 BDX0 O Serial data transmit output 6,58,69,81, HD0~HD7 I/O HPI data bus 60 BDX1 - Not used (No connect) 95,120,124, 61 IACK - Not used (No connect) 135
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TK-7150 COMPONENTS DESCRIPTION 1. Display Unit (X54-3400-10) Ref. No. Part Name Description Ref. No. Part Name Description IC711 IC Inverter IC901 IC Voltage regulator IC712 IC AF amplifier IC902 IC Voltage detector IC713 IC CODEC IC904 IC CPU IC714 IC MIC amplifier/AGC Q901 FET MIC switch IC715 IC Buffer amplifier Q902 FET DC switch IC716 IC Anti-aliasing filter Q903 Transistor Current driver IC717 IC Multiplexer Q904~908 Transistor DC switch IC718 IC D/A converter Q909,910 Transistor Inverter
