Equipment information

Icom IC-78 Transceiver
Manufacturer:
Model:
IC-78
Date:
2000
Category:
Group:
Description:
HF TRANCEIVER
User Manual
Manual Type:
User Manual
Pages:
48
Size:
2.64 Mbytes (2769070 Bytes)
Language:
english
Revision:
Manual-ID:
A-5658H-1EX-w
Date:
Quality:
Electronic document, no scan, very well readable.
Upload date:
2015 07 19
MD5:
015b0ef049ca94fcb282dfb28a7a6201
Downloads:
1088

Information

IMPORTANT ... i EXPLICIT DEFINITIONS ... i PRECAUTIONS ... i 1 TABLE OF CONTENTS ... 1 SUPPLIED ACCESSORIES ... 1 2 PANEL DESCRIPTION ... 2–7 n Front panel ... 2 n Function display ... 4 n Rear panel ... 5 n Microphone (HM-36) ... 7 3 INSTALLATION AND CONNECTIONS ... 8–12 n Unpacking ... 8 n Selecting a location ... 8 n Grounding ... 8 n Antenna connection ... 8 n Required connections ... 9 n Power Supply connections ... 10 n Advanced connections ... 11 n External Antenna tuners ... 12 4 OPERATION ... 13–27 n Selecting a channel ... 13 n Frequency indication ... 14 n Lock function ... 14 n Scan function ... 14 n Basic voice receive and transmit ... 15 n Mode selection ... 15 n RF gain and Squelch ... 15 n Functions for transmit ... 16 n Functions for receive ... 19 n Filter selection ... 21 n Filter setting ... 22 n Functions for CW ... 23 n Functions for RTTY ... 25 n Channel comment programming ... 27 5 SET MODE ... 28–33 n General ... 28 n Quick set mode items ... 29 n Initial set mode items ... 31 6 EXTRA FEATURES ... 34–36 n Instruction ... 34 n VFO operation ... 34 n 2-Tone alarm operation ... 36 7 INSTALLATION AND CONNECTIONS ... 37–38 n Opening the transceiver’s case ... 37 n Optional bracket and carrying handle ... 37 n CR-338 HIGH STABILITY CRYSTAL UNIT ... 38 n Optional IF filters ... 38 8 MAINTENANCE ... 39–40 n Troubleshooting ... 39 n Fuse replacement ... 40 n Resetting the CPU ... 40 9 REMOTE JACK INFORMATION ... 41–42 n CI-V remote control ... 41 n Data cloning between transceivers ... 42 10 SPECIFICATIONS ... 43 12 OPTIONS ... 44–45

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Service Manual
Manual Type:
Service Manual
Pages:
56
Size:
11.66 Mbytes (12224764 Bytes)
Language:
english
Revision:
Manual-ID:
S-13707MZ-C1
Date:
Quality:
Electronic document, no scan, very well readable.
Upload date:
2015 07 19
MD5:
942f68f24d10911ef9ab122662290792
Downloads:
1053

Information

This service manual describes the latest service information for the IC-78 HF Transceiver at the time of publication. SECTION 1 SPECIFICATIONS SECTION 2 INSIDE VIEWS SECTION 3 DISASSEMBLY INSTRUCTIONS SECTION 4 CIRCUIT DESCRIPTION 4 – 1 Receiver CIRCUITS ... 4 – 1 4 – 2 Transmitter CIRCUITS ... 4 – 4 4 – 3 PLL CIRCUIT ... 4 – 6 4 – 4 LOGIC CIRCUITS ... 4 – 6 4 – 5 Power Supply CIRCUITS ... 4 – 8 SECTION 5 ADJUSTMENT PROCEDURES 5 – 1 PREPARATION BEFORE SERVICING ... 5 – 1 5 – 2 PLL ADJUSTMENT ... 5 – 2 5 – 3 Transmitter ADJUSTMENTS ... 5 – 4 5 – 4 Receiver ADJUSTMENTS ... 5 – 8 5 – 5 SET MODE ADJUSTMENT ... 5 – 10 SECTION 6 PARTS LIST SECTION 7 MECHANICAL PARTS AND DISASSEMBLY SECTION 8 SEMI-CONDUCTOR INFORMATIONS SECTION 9 BOARD LAYOUTS 9 – 1 MAIN UNIT ... 9 – 1 9 – 2 PA UNIT ... 9 – 3 9 – 3 PLL UNIT ... 9 – 3 9 – 4 LOGIC UNIT ... 9 – 5 9 – 5 Phone BOARD ... 9 – 5 9 – 6 MIC BOARD ... 9 – 5 9 – 7 VR BOARD ... 9 – 5 9 – 8 SENSOR BOARD ... 9 – 6 9 – 9 FILTER UNIT ... 9 – 7 SECTION 10 BLOCK DIAGRAM SECTION 11 WIRING DIAGRAM SECTION 12 VOLTAGE DIAGRAMS

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