Kenwood TK-7102H TERMINAL FUNCTION

TK-7102H

34

TERMINAL FUNCTION

CN2

No. Name I/O Function

1SBOBattery voltage DC supply

2NC --

3GND O Ground

4NC --

5FNC1 I/O Programable I/O (programmed by FPU)

6FNC2 I/O Programable I/O (programmed by FPU)

7FNC3 I/O Programable I/O (programmed by FPU)

8FNC4 I/O Programable I/O (programmed by FPU)

9FNC5 I/O Programable I/O (programmed by FPU)

10 FNC6 I/O Programable I/O (programmed by FPU)

11 FNC7 I/O Programable I/O (programmed by FPU)

12 FNC8 I/O Programable I/O (programmed by FPU)

■ Function Port Assignment

KDS100, KGP-2A/2B

Name I/O

FNC1 - -

FNC2 - -

FNC3 Data Channel I

FNC4 PTT I

FNC5 Carrier Operated Relay O

FNC6 Audio Mute I

FNC7 Mic Mute I

FNC8 TX Relay O

SmarTrunk II

Name I/O

FNC1 TXD O

FNC2 RXD I

FNC3 Reset O

FNC4 - -

FNC5 - -

FNC6 - -

FNC7 - -

FNC8 - -

Scrambler

Name I/O

FNC1 - -

FNC2 - -

FNC3 TX Relay O

FNC4 Scrambler O

FNC5 Scrambler Code1 (1) O

FNC6 Scrambler Code2 (2) O

FNC7 Scrambler Code3 (4) O

FNC8 Scrambler Code4 (8) O

Port Function is Low Active. (Exclude : Scrambler Code)

CN3

No. Name I/O Function

1IGN I Ignition sens input

2DATAI I External transmit signal input

3DETO O FM detector output

4TXAFI I TX audio input from scrambler board

5 TXAFO O TX audio output to scrambler board

6EMGMIC I Emergency MIC input (1kHz/1.2mVrms)

7RXAFO O RX audio output to scrambler board

8 ALTI I External alert tone signal input

9RXAFI I RX audio input from scrambler board

10 5C O 5V DC power supply (50mA MAX)

11 8C O 8V DC power supply (50mA MAX)

CN4

No. Name I/O Function

1GND O Ground

2NC --

3NC --

4NC --

5FNC2 I/O Programable I/O (programmed by FPU)

6NC --

7NC --

8FNC3 I/O Programable I/O (programmed by FPU)

9FNC1 I/O Programable I/O (programmed by FPU)

10 NC - -

11 5C O 5V DC power supply (50mA MAX)

12 NC - -

13 DATAI I External transmit signal input

14 DETO2 O FM detector output

15 ALTI I External alert tone signal input

16 NC - -

17 NC - -

18 NC - -

19 NC - -

20 GND O Ground

Contents

Main TK-7102H SERVICE MANUAL CONTENTS REVISED TK-7102H GENERAL INTRODUCTION SCOPE OF THIS MANUAL ORDERING REPLACEMENT PARTS GENERAL / SYSTEM SET-UP SYSTEM SET-UP 1-5. Rear panel 1. Controls and Functions 1-4. Display o 1-2. Microphone 1-1. Front Panel 2. Operation Features 3. Transceiver Controls and Indicators 4. Scan Operating SCAN start condition Scan stop condition Revert channel Scan end TK-7102H SP Unmute Auto Reset Stun 7. Audible User Feedback Tones REALIGNMENT 1. Modes 2. How to Enter Each Mode 3. PC Mode 3-1. Preface REALIGNMENT 5. Accessory Connection Cable (KCT-39) 5-1. Installing the KCT-39 in the Transceiver Fig. 3 TK-7102H ) into the chassis ( Fig. 7 Accessory Port Function Fig. 6 REALIGNMENT / INSTALLATION 6-3. Modifying the Transceiver Fig. 2 R267 Fig. 8 INSTALLATION Fig. 4 Fig. 3 Setting With the KPG-70D Select External Devices from the Edit menu and set the Scrambler. DISASSEMBLY FOR REPAIR Frequency Configuration Fig. 1 Frequency configuration Fig. 2 Receiver system Receiver System Front-end RF Amplifier CIRCUIT DESCRIPTION Wide/Narrow Changeover Circuit Fig. 6 PLL circuit Fig. 4 AF signal system AF Signal System Transmitter System Outline Power Amplifier Circuit APC Circuit Control Circuit Memory Circuit Fig. 14 Encodet Fig. 13 Key matrix circuit Fig. 12 Display circuit CIRCUIT DESCRIPTION / SEMICONDUCTOR DATA SEMICONDUCTOR DATA Drive Amplifier : PD55003TR (TX-RX Unit Q503) Absolute Maximum Ratings (TCASE = 25C) SEMICONDUCTOR DATA Microprocessor : 30622MAA-B83GP (TX-RX Unit IC101) Terminal Function COMPONENTS DESCRIPTION Display Unit (X54-3460-20) TX-RX Unit (X57-6700-XX) TK-7102H TX-RX UNIT (X57-6700-XX) -22 : M -23 : M2 -24 : K -25 : K2 DISPLAY UNIT (X54-3460-20) Page Page Page Page Page EXPLODED VIEW 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) Adjustment Location Switch Part name label face down Fuse Locator PCB Section * Adjustment of TX VCO lock voltage K,M K2,M2 Test Frequency (MHz) Receiver Section Transmitter Section If normal power is not obtained, please follow the step below TERMINAL FUNCTION CN2 Function Port Assignment CN3 CN4 PC BOARD TK-7102H DISPLAY UNIT (X54-3460-20) Component side view (J72-0916-09) DISPLAY UNIT (X54-3460-20) Foil side view (J72-0916-09) ABCDEFGHIJ KLM NOPQRS TK-7102H 37 38 S RQP O NMLK J IHGF PC BOARD TK-7102H 39 40 ABCDEFGHIJ KLM NOPQRS Ref. No. TK-7102H 41 42 46 1 * SCHEMATIC DIAGRAM TK-7102H Note : The components marked with a dot () are parts of layer 1. X57-6700-XX TX-RX UNIT X54-3460-20 DISPLAY UNIT M P TK-7102H TK-7102 H 47 48 BLOCK DIAGRAM TX-RX UNIT (X57-670x-xx) DISPLAY UNIT (X54-3460-20) TK-7102H TK-7102H 49 50 LEVEL DIAGRAM Transmitter Section 4 SPECIFICATIONS 51 GENERAL RECEIVER TRANSMITTER KENWOOD CORPORATION