Kenwood TK-7150 COMPONENTS DESCRIPTION

TK-7150

21

Ref. No. Part Name Description

Q513 Transistor Buffer amplifier

Q514 Transistor Inverter

Q515 Transistor Buffer amplifier

Q516 Transistor Amplifier

Q517 Transistor Ripple filter

Q518~520 Transistor DC switch

Q521 Transistor Inverter

Q700 FET DC switch

Q701~706 Transistor DC switch

Q707,708 Transistor MIC gain switch

Q709 Transistor Inverter

Q710,711 Transistor DC switch

Q712,713 FET DC switch

Q714 Transistor DC switch

Q716 Transistor DC switch

Q719,720 Transistor DC switch

D1 Zener diode Surge protector

D2 Zener diode Voltage protection

D3,4 Diode ANT switch

D5,6 Diode RF detector

D7 Diode Temperature compensation

D11 Diode Surge protector

D101 Diode Protection of reverse connection

D102,103 Zener diode Voltage reference

Ref. No. Part Name Description

D104~106 Diode DC switch

D108 Diode Surge protector

D109 Zener diode Voltage reference

D201 Diode DC switch

D202 Diode Noise detection

D203~206 Diode Wide/Narrow switch

D207~209 Varicap BPF tuning

D501~508 Varicap Frequency control

D509,510 Diode Voltage doubler

D511 Varicap Modulator

D512 Zener diode Voltage reference

D513,514 Diode RF switch

D515 Diode DC switch

D700~703 Diode Surge protector

D704 Diode Voltage reduction

D705~709 Diode Surge protector

D710 Zener diode Surge protector

D711,712 Diode AF detector

D714 Diode DC switch

D715 Zener diode Surge protector

D785~790 Zener diode Surge protector

D791 Varistor Current protector

D793 Varistor Current protector

D794 Diode Delay

COMPONENTS DESCRIPTION

Contents

Main TK-7150 SERVICE MANUAL CONTENTS GENERAL INTRODUCTION SCOPE OF THIS MANUAL ORDERING REPLACEMENT PARTS PERSONNEL SAFETY GENERAL / SYSTEM SET-UP SYSTEM SET-UP OPERATING FEATURES 1. Controls and Functions TK-7150 REALIGNMENT Fig. 1 1. Modes 3. Panel Test Mode 4. Panel Tuning Mode 6. Firmware Programming Mode Fig. 3 6-1. Preface 6-2. Connection Procedure 6-3. Programming TK-7150 1. Installing Name Plate Fig. 3-3 Fig. 2 3. External Speaker (KES-5) 4. Use as Public Address Speaker Notes : Fig. 5-3 Fig. 4 5. Single Control Head Remote Kit (KRK-9) and Control Cable (KCT-22) 6. Optional Board 6-1. Voice Scrambler Board Connection Modification Fig. 6-2 Fig. 6-1 Foil side of the TX-RX unit Connection 8. Horn Alert Function 7. Fig. 7-3 8-1. Modification Wiring of the Cable for Installing the Built-in Type GPS Unit or Other PC Board 9. Special Instructions for Replacing the Final Amplifier Q5 9-1. C89 and C90 Positions Fig. 9-4 9-2. Soldering Fig. 9-1 1. Outline 2. Receiver Circuit Fig. 1 Receiver circuit 2-1. Front-end Circuit 2-2. First Mixer 3. Transmitter Circuit 3-1. Microphone Circuit 3-2. Modulation Level Adjustment Circuit 3-3. Driver and Final Power Amplifier Circuit Fig. 2 Microphone circuit 4. PLL Frequency Synthesizer Fig. 5 Control circuit Fig. 4 PLL circuit 5. Control Circuit 5-1. CPU TK-7150 5-3. DSP Circuit Fig. 7 Display circuit Fig. 6 Power supply circuit 5-4. Power Supply Circuit 1. CPU : 30620M8A-5H1GP (TX-RX Unit IC701) 1-1. Pin Function 2. Shift Register 1 : BU4094BCFV (TX-RX Unit IC702) 2-1. Pin Function 3. Shift Register 2 : BU4094BCFV (TX-RX Unit IC700) 3-1. Pin Function 4. D/A Converter : M62364FP (TX-RX Unit IC718) 5. Display CPU : 30622M4A-443GP (Display Unit IC904) 5-1. Pin Function 6. DSP : 320VC5402PGE (TX-RX Unit IC710) 6-1. Pin Function COMPONENTS DESCRIPTION 1. Display Unit (X54-3400-10) 2. TX-RX Unit (X57-6570-10) COMPONENTS DESCRIPTION CAPACITORS CHIP CAPACITORS RESISTORS TK-7150 DISPLAY UNIT (X54-3400-10) TX-RX UNIT (X57-6570-10) Page Page Page Page Page Page Page EXPLODED VIEW Pats with the exploded numbers larger than 700 are not supplied. PACKING 1. Key Functions 1-1. Front Panel 1-2. Panel Test Mode When the Function is Off ( does not appear) When the Function is On ( appears) 1-3. Panel Tuning mode 3-2. Tuning Item and Display ( : 1~256) 3-3. Flow Chart 4. Test Equipment Required for Alignment 4-3. Test Cable for Microphone input The following test cable are recommended. 4-1. Test Cable for Speaker Output 4-2. Repair Jig (Chassis) 5. Warnings When Removing or Installing the Shielding Cover 6. Common Section Packing Page Page Page Page Page 7. Adjustment Points 7-1. Component Side View 7-2. Foil Side View DISPLAY UNIT (X54-3400-10) Component side view (J72-0840-19) DISPLAY UNIT (X54-3400-10) Foil side view (J72-0840-19) PC BOARD TK-7150 47 48 DISPLAY UNIT (X54-3400-10) Component side view + Foil side (J72-0840-19) ABCDEFGHIJ KLM TX-RX UNIT (X57-6570-10) Component side view (J72-0839-19) IC104 NOPQRS 49 50 4A IC105 PC BOARD TK-7150 IC1 4M IC2 6G IC101 6O IC102 5P IC103 6P IC106 TX-RX UNIT (X57-6570-10) Component side view + Foil side (J72-0839-19) Connect 1 and 6 NOPQRS 53 54 R559 SCHEMATIC DIAGRAM TK-7150 OE Q5 Q6 Q7 T K-7150 DISPLAY UNIT D1 :ZSA5A27 :02DZ6.2(Y) :MA4PH633 :XB15A709 :MA742 :1SS226 :1SS355 202,203,514, Q508,510-512,517,520 :2SC4116(GR) TK-7150 TK-715 0 BLOCK DIAGRAM Voltage Doubler DISPLAY UNIT (X54-340) WIRING TX-RX UNIT X57-6570-10 DISPLAY UNIT X54-3400-10 A/2 66 TERMINAL FUNCTION 1. Display Unit (X54-3400-10) (A/2) CN901 (To remote speaker) CN902 (To TX-RX unit) CN905 (To LCD assy) TERMINAL FUNCTION CN701 (To voice scrambler) CN703 (To Display unit A/2) CN704 (To ACC 6-pin connector) J700 (ACC 25-pin) TERMINAL FUNCTION / OPTIONS 1-1. External View 1. KES-5 (External Speaker) 1-1. External View 2. KRK-9 (Single Control Head Remote Kit) SPECIFICATIONS GENERAL RECEIVER TRANSMITTER Applicable MIL-STD KENWOOD CORPORATION