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Icom IC-4SE Transceiver
Manufacturer:
Model:
IC-4SE
Date:
1990
Class:
Type:
SubType:
UHF FM TRANSCEIVER
Service Manual
Manual type:
Service Manual
Pages:
59
Size:
21.15 Mbytes (22177400 Bytes)
Language:
english
Revision:
Manual-ID:
A-5077H-S
Date:
unknown
Quality:
Scanned document, all readable.
Upload date:
2016 01 06
MD5:
d960a20fdd48b7f6410c84723a058ba8
Downloads:
3064

Information

This service manual describes the latest information for the following transceivers at the time of going to press. IC-4SAT:U.S.A. version (version no. #05) IC-4SAT:Australia version {version no. #07) IC-4SAT:Asia version (version no. #08) IC-4SET:Europe version (version no. #04) IC-4SA:U.S.A. version (version no. #06) IC-4SA:Australia version (version no #07) IC-4SA:Asia version (version no. #09) IC-4SE:Europe version (version no. #04) SECTION 1 SPECIFICATIONS ... 1 — 1 SECTION 2 INSIDE VIEWS ... 2 —1~2 2 - 1 IC-4SAT/SET ... 2—1 2 - 2 IC-4SA/SE ... 2 — 2 SECTION 3 BLOCK DIAGRAM ... 3 — 1 SECTION 4 CIRCUIT DESCRIPTION ... 4 —1~6 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 CPU PORT ALLOCATIONS (LOGIC UNIT) ... 4 — 5 SECTION 5 MECHANICAL PARTS AND DISASSEMBLY ... 5 — 1-4 5 -1 IC-4SAT/SET ... 5 — 1 5 - 2 IC-4SA/SE ... 5 — 3 5-3 ACCESSORIES ... 5 — 4 SECTION 6 PARTS LIST ... 6 — 1 ~ 9 SECTION 7 ADJUSTMENT PROCEDURES ... 7 — 1 ~ 5 7 -1 PREPARATION BEFORE SERVICING ... 7—1 7-2 PLL ADJUSTMENT ... 7 — 2 7 - 3 Receiver ADJUSTMENT ... 7 — 3 7 - 4 Transmitter ADJUSTMENT ... 7 — 4 SECTION 8 BOARD LAYOUTS ... 8 — 1-13 8-1 LOGIC (LGC) UNIT ... 8—1 8-2 LOGIC DAUGHTER UNITS ... 8 — 5 8-3 INITIAL MATRICES ... 8 — 6 8-4 PRT UNIT ... 8 — 6 8-5 MAIN UNIT ... 8 — 7 8 - 6 MAIN DAUGHTER UNITS ... 8 — 9 8-7 VR UNIT ... 8 — 13 SECTION 9 OPTIONAL UNITS ... 9 — 1-3 9 - 1 UT-50 TONE SQUELCH UNIT ... 9 — 1 9 - 2 UT-51 TONE ENCODER UNIT ... 9 — 2 9-3 UT-49 DTMF DECODER UNIT ... 9 — 3 SECTION 10 VOLTAGE DIAGRAMS ... 10 — 1-2 10-1 IC-4SAT/SET ... 10—1 10-2 IC-4SA/SE ... 10 — 2

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