Icom IC-T7H Transceiver
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Model:
IC-T7H
Date:
1998
Category:
Group:
Description:
DUAL BAND FM TRANSCEIVIER
Manual type:
User Manual
Pages:
36
Size:
847.16 Kbytes (867487 Bytes)
Language:
english
Revision:
Manual ID:
A-5551D-1EX
Date:
2007 01 01
Quality:
Electronic document, no scan, very well readable.
Upload date:
2020 02 23
MD5:
a8ac83c5d38db9514a3017e137638b63
Uploader:
Andre Furtado
Downloads:
368
Information
IMPORTANT ... i
EXPLICIT DEFINITIONS ... i
CAUTIONS ... i
UNPACKING ... ii
TABLE OF CONTENTS ... iii
1PANEL DESCRIPTION ... 1 – 5
■ Switches, controls, keys and connectors ... 1
■ Function display ... 5
2BATTERY PACKS AND ACCESSORIES ... 6 – 9
■ Battery pack charging ... 6
■ Charging precautions ... 6
■ About the battery pack ... 6
■ Charging connections ... 7
■ Battery case ... 8
■ Accessory attachment ... 9
3BASIC OPERATION ... 10 – 14
■ Power ON ... 10
■ Setting a frequency ... 10
■ Setting tuning steps ... 11
■ Selecting a memory channel ... 12
■ Lock function ... 12
■ Receive and transmit ... 12
■ Repeater operation ... 13
iii
4ADVANCED FUNCTIONS ... 15 – 22
■ Memory/call channels ... 15
■ DTMF memory operation ... 17
■ Scan operation ... 18
■ Subaudible tone operation ... 21
5OTHER FUNCTIONS ... 23 – 26
■ Initial set mode ... 23
■ Channel indication mode ... 26
■ CPU resetting ... 26
6789TROUBLESHOOTING ... 27
OPTIONS ... 28
SPECIFICATIONS ... 29
MODE ARRANGEMENT ... 30 – 31
Manual type:
Service Manual
Pages:
37
Size:
1.48 Mbytes (1555398 Bytes)
Language:
english
Revision:
Manual ID:
A-5551I-S
Date:
Quality:
Electronic document, no scan, very well readable.
Upload date:
2012 06 17
MD5:
f78c0a86eace48e687bdb751245e9f67
Downloads:
1005
Information
This service manual describes the latest service information
for the IC-T7H DUAL BAND FM Transceiver at the time
of publication.
4 version of the IC-T7H have been designed. This serves
manual cover each versions.
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 - 2
4 - 3 PLL CIRCUITS ... .4 - 3
4 - 4 Power Supply CIRCUITS ... .4 - 4
4 - 5 OTHER CIRCUITS ... .4 - 4
4 - 6 PORT ALLOCATIONS ... .4 - 5
SECTION 5 ADJUSTMENT PROCEDURES
5 - 1 PLL AND Transmitter ADJUSTMENT ... .5 - 1
5 - 2 Receiver ADJUSTMENT ... .5 - 3
SECTION 6 PARTS LIST
SECTION 7 MECHANICAL PARTS AND DISASSEMBLY
SECTION 8 SEMI-CONDUCTOR INFORMATION
SECTION 9 BOARD LAYOUTS
9 - 1 LOGIC UNIT ... .9 - 1
9 - 2 2F UNIT ... .9 - 3
9 - 3 1F UNIT ... .9 - 5
SECTION 10 BLOCK DIAGRAM
SECTION 11 VOLTAGE DIAGRAM