Kenwood TK-7102 Test Equipment Required for Alignment

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TK-7102

Test Equipment Required for Alignment

Test Equipment Major Specifications

1. Standard Signal Generator Frequency Range 140 to 175MHz

(SSG) Modulation Frequency modulation and external modulation

Output –127dBm/0.1µV to greater than –7dBm/100mV

2. Power Meter Input Impedance 50Ω

Operation Frequency 140 to 175MHz or more

Measurement Capability Vicinity of 100W

3. Deviation Meter Frequency Range 140 to 175MHz

4. Digital Volt Meter Measuring Range 1 to 20V␣DC

(DVM) Accuracy High input impedance for minimum circuit loading

5. Oscilloscope DC through 30MHz

6. High Sensitivity Frequency Range 10Hz to 1000MHz

Frequency Counter Frequency Stability 0.2ppm or less

7. Ammeter 20A

8. AF␣ Volt Meter Frequency Range 50Hz to 10kHz

(AF␣VTVM) Voltage Range 1mV to 3V

9. Audio Generator (AG) Frequency Range 20Hz to 20kHz or more

Output 0 to 1V

10. Distortion Meter Capability 3% or less at 1kHz

Input Level 50mV to 10Vrms

11. 4Ω Dummy Load Approx. 4Ω, 10W or more

12. Regulated Power Supply 13.6V, approx. 20A (adjustable from 9 to 17V)

Useful if ammeter requipped

13. Spectrum Analyzer Center frequency 50KHz to 600MHz

14. Tracking Generator Output Voltage 100mV or more

ADJUSTMENT

Lead wire +

MIC Shield wire –

1

8

Tuning cable (E30-3383-05)

Adapter cable (E30-3383-05) is required for

injecting an audio if PC tuning is used.

See "PC Mode" section for the connection.

MIC connector

(Front view)

Test cable for microphone input (E30-3360-08)

1 : BLC

2 : PSB

3 : E

4 : PTT

5 : ME

6 : MIC

7 : HOOK

8 : CM

Contents

Main TK-7102TK-7102 VHF FM TRANSCEIVER TK-7102 SERVICE MANUAL SPECIFICATIONS KENWOOD CORPORATION TK-7102TK-7102 CONTENTS / GENERAL GENERAL INTRODUCTION ORDERING REPLACEMENT PARTS GENERAL NOTE 1.Controls and Functions 1-1. Front Panel u OPERATING FEATURES qwe tr i 1-4. Display 1-5. Rear panel OPERATING FEATURES Scan ON/OFF Talk around Temporary delete None OPERATING FEATURES Temporary delete 5.Details of Features Time-out timer PTT ID TK-7102 Stun 7.Audible User Feedback Tones Stun on tone Stun off tone REALIGNMENT 3-4. Programming Software Description Fig. 2 3-5. Programming With IBM PC 4.Clone Mode DISASSEMBLY FOR REPAIR TK-7102 Frequency Configuration Fig. 2 Receiver system Fig. 1 Frequency configuration Receiver System PLL Frequency Synthesizer PLL VCO Fig. 6 PLL circuit Unlock Circuit Fig. 8 Transmitter system Transmitter System Outline Power Amplifier Circuit APC Circuit Memory Circuit Control Circuit Fig. 10 Control circuit Fig. 9 APC circuit Display Circuit Key Matrix Circuit Power Supply Circuit Decode QT/DQT/DTMF Fig. 14 Encode SEMICONDUCTOR DATA Microprocessor : 784214AGCXXX (TX-RX Unit IC6) Terminal function DESCRIPTION OF COMPONENTS Display Unit (X54-3340-20) TX-RX Unit (X57-6290-20) DESCRIPTION OF COMPONENTS Destination TK-7102 Parts No. Description DISPLAY UNIT (X54-3340-20) Ref. No. Destination M:TK-2107 M2:TK-2107 TX-RX UNIT (X57-6290-20) 400~420Hz : C5 450~470Hz : C6 M:TK-2107 M2:TK-2107 400~420Hz : C5 450~470Hz : C6 M:TK-2107 M2:TK-2107 EXPLODED VIEW Parts with the exploded numbers larger than 700 are not supplied. PACKING Parts with the exploded numbers larger than 700 are not supplied. Test Equipment Required for Alignment Tuning cable (E30-3383-05) MIC connector (Front view) Test cable for microphone input (E30-3360-08) Page Test frequency(MHz) Use KPG-70D programming software for adjustment of the next items. PCB Section Receiver Section Transmitter section Test frequency(MHz) Page DISPLAY UNIT (X54-3340-20) Component side view + Foil side view DISPLAY UNIT (X54-3340-20) Foil side view DISPLAY UNIT (X57-3340-20) Component side view TK-7102 TX-RX UNIT (X57-6290-20) Component side view B BCE Component side view TX-RX UNIT (X57-6290-20) Foil side view 35 36 26 25 50 TK-7102 TX-RX UNIT (X57-6290-20) Component side view + Foil side view 20 OUT IN GND SCHEMATIC DIAGRAM TK-7102 Note : Component marked with a dot () are parts of pattern1. Page Page TK-7102TK-7102 CONTENTS / GENERAL GENERAL INTRODUCTION ORDERING REPLACEMENT PARTS TK-7102 SERVICE MANUAL SPECIFICATIONS KENWOOD CORPORATION