Kenwood TK-7150 - page 41

TK-7150

41

Item Condition

Measurement Adjustment

Specifications/Remarks

Test-

equipment Unit Terminal PartsUnit Method

ADJUSTMENT

• Narrow 4)CH-SIG : 2-1

Power meter

Rear ANT Front

Selector

±1.75kHz ±0.05kHz

[PF5] key : Set the narrow Deviation panel panel knob

n_L meter

Max_Dev_ _✽✽✽

in tuning mode AF VTVM Front MIC

PTT : ON AG panel

Oscilloscope

5)CH-SIG : 1-1

Select n_C

Max_Dev_ _✽✽✽

in tuning mode

PTT : ON

6)CH-SIG : 3-1

Select n_H

Max_Dev_ _✽✽✽

in tuning mode

PTT : ON

11. MIC 1) CH-SIG : 1-1 TX-RX VR700 Check 2.2~3.7kHz

seisitivity PTT : ON

(Wide only) Deviation meter filter

HPF : OFF

LPF : 15kHz

De-emphasis : OFF

AG : 1kHz/5mV

12. DQT 1)CH-SIG : 1-1 Front

Selector

Wide/Narrow Flat the A parts.

balance Select DQT_Bal_ _✽✽✽ panel knob Make the

• Wide in tuning mode demodulation wave-

PTT : ON form neat.

Deviation meter filter

HPF : OFF

LPF : 3kHz

De-emphasis : OFF

• Narrow 2)[PF5] key : Set the narrow

n_ _

DQT_Bal_ _✽✽✽

in tuning mode

PTT : ON

13. QT 1)CH-SIG : 1-3 ±0.75kHz ±0.05kHz

deviation Select QT_Dev_ _ _✽✽✽

• Wide in tuning mode

PTT : ON

Deviation meter filter

HPF : OFF

LPF : 3kHz

De-emphasis : OFF

• Narrow 2)[PF5] key : Set the narrow ±0.35kHz ±0.05kHz

n_ _

QT_Dev_ _ _✽✽✽

in tuning mode

PTT : ON

A

A

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