Equipment information

Icom IC-78 Transceiver
Manufacturer
Icom
Model IC-78
Date 2000
Category: Radio, Communication
Group Transceiver
Description HF TRANCEIVER
Information
                                    

These manuals are available for the above equipment:

Icom -- IC-78 -- Service Manual
File name Icom-6901-Manual-Page-1-Picture
Manual Type Service Manual
Pages 56
Size 11.66 Mbytes (12224764 Bytes)
Language english
Revision
Manual-ID/Number S-13707MZ-C1
Date 2000
Quality Electronic document, no scan, very well readable.
Upload date
MD5 942f68f24d10911ef9ab122662290792
Downloads 136 since 19 July 2015
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
Icom-6901-Manual-Page-1-Picture
Start Free Download


Icom -- IC-78 -- User Manual
File name Icom-6912-Manual-Page-1-Picture
Manual Type User Manual
Pages 48
Size 2.64 Mbytes (2769070 Bytes)
Language english
Revision
Manual-ID/Number A-5658H-1EX-w
Date 2000
Quality Electronic document, no scan, very well readable.
Upload date
MD5 015b0ef049ca94fcb282dfb28a7a6201
Downloads 112 since 19 July 2015
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
Icom-6912-Manual-Page-1-Picture
Start Free Download


Comments (0)

No comments yet. Be the first!

Add Comment

* Required information
1000
Enter the word hand backwards.
Powered by Commentics