Icom IC-GM1600, IC-GM1600E manual

SERVICE

MANUAL

SURVIVAL CRAFT 2-WAY RADIO

Contents

Page INTRODUCTION DANGER ORDERING PARTS REPAIR NOTES TABLE OF CONTENTS SECTION SPECIFICATIONS •CHANNEL LISTS •International channels †Receive only USA channels †Low power only SECTION 2 INSIDE VIEWS SECTION 3 DISASSEMBLY INSTRUCTIONS SECTION 4 CIRCUIT DESCRIPTION 4-1RECEIVER CIRCUITS 4-2TRANSMITTER CIRCUITS 4-3PLL CIRCUITS 4-4POWER SUPPLY CIRCUITS 4-5PORT ALLOCATIONS SECTION 5 ADJUSTMENT PROCEDURES 5-1PREPARATION •CONNECTION to the antenna connector Standard signal generator 0.1 µV to 32 mV (–127dBm to –17dBm) DO NOT transmit while an SSG is connected to the antenna connector 20 dB / 30 dB NOTE: The above screen is an example Each transceiver has its own specific values for each setting 5-2SOFTWARE ADJUSTMENT (FREQUENCY) Each transceiver has its own specific values 5-2SOFTWARE ADJUSTMENT (TRANSMITTING) 5-2SOFTWARE ADJUSTMENT (RECEIVING) SECTION 6 PARTS LIST Page Page Page [VR UNIT] [MIC UNIT] [CHASSIS UNIT] •BC-158 [CHARGE UNIT] SECTION 7 MECHANICAL PARTS AND DISASSEMBLY CABINET PARTS Grease NOTE Manufacture : Shin-EtsuChemical Type : G-501 NOTE 2: When replacing the screws, 10 - 12 kg of torque SECTION 8 SEMICONDUCTOR INFORMATION SECTION 9 BOARD LAYOUTS 9-1MAIN UNIT Horizontal Vertical (CHASSIS unit) •BOTTOM VIEW 6 GND VOLO VOLIN 1 VCC 9-2VR BOARD 9-3MIC BOARD 9-4 BC-158 Horizonal to the MAIN unit J414 SECTION 10 BLOCK DIAGRAM SECTION 11 VOLTAGE DIAGRAM 11-1MAIN UNIT