ICOM IC-PCR100 free download

File name IC-PCR100.pdf

SERVICE MANUAL COMMUNICATION RECEIVER FOR COMPUTER iC-pcr100 INTRODUCTION This service manual describe the latest service information for the IC-PCR100 COMMUNICATION RECEIVER FOR COMPUTER at the time of publication. MODEL VERSION Europe U.K. Canada U.S.A-1 Other SYMBOL EUR UK CAN USA-1 OTH DANGER NEVER connect the receiver to an AC outlet or to a DC power supply that uses more than 16 V. Such a connection could cause a fire hazard and/or electric shock. DO NOT expose the receiver to rain, snow or any liquids. DO NOT reverse the polarities of the power supply when connecting the receiver. IC-PCR100 To upgrade quality, any electrical or mechanical parts and internal circuits are subject to change without notice or obligation DO NOT apply an RF signal of more than 20 dBm (100 mW) to the antenna connector. This could damage the receiver's front end. ORDERING PARTS Be sure to include the following four points when ordering replacement parts: 1. 10-digit order numbers 2. Component part number and name 3. Equipment model name and unit name 4. Quantity required 1130004200 S.IC TC4S66F IC-PCR100 MAIN UNIT 1 piece 8810008660 Screw PH B0 3 Ч 8 NI-ZU IC-PCR100 CHASSIS 4 pieces REPAIR NOTES 1. Make sure a problem is internal before disassembling the receiver. 2. DO NOT open the receiver until the receiver is disconnected from its power source. 3. DO NOT force any of the variable components. Turn them slowly and smoothly. 4. DO NOT short any circuits or electronic parts. An insulated tuning tool MUST be used for all adjustments. 5. DO NOT keep power ON for a long time when the receiver is defective. 6. READ the instructions of test equipment thoroughly before connecting equipment to the receiver. Addresses are provided on the inside back cover for your convenience. TABLE OF CONTENTS SECTION 1 SPECIFICATIONS SECTION 2 INSIDE VIEWS SECTION 3 DISASSEMBLY INSTRUCTIONS SECTION 4 4-1 4-2 4-3 4-4 CIRCUIT DESCRIPTION RECEIVER CIRCUITS... 4 - 1 . PLL CIRCUITS... 4 - 4 POWER SUPPLY CIRCUITS... 4 - 5 CPU PORT ALLOCATIONS ... 4 - 6 SECTION 5 5-1 5-2 5-3 5-4 ADJUSTMENT PROCEDURES PREPARATION BEFOR SERVICING ... 5 - 1 . PLL ADJUSTMENTS ... 5 - 3 IF PEAK AND TOTAL GAIN ADJUSTMENTS ...