Icom IC-4SRA Transceiver
Manufacturer:
Model:
IC-4SRA
Date:
1991
Category:
Group:
Description:
UHF FM TRANSCEIVERS

Information

The IC-4SRA.E is a state-of-the-art handheld consisting of a 430 (440) MHz Transceiver and 50-900 MHz wideband Receiver, fitting comfortably in the palm of your hand and combining ease of use with multi-operational capability.

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Service Manual
Manual type:
Service Manual
Pages:
66
Size:
22.71 Mbytes (23814181 Bytes)
Language:
english
Revision:
Manual ID:
A-5155F-S
Date:
Quality:
Scanned document, all readable.
Upload date:
2016 01 06
MD5:
33f9837fd2378397c753dfe230298f2e
Downloads:
1563

Information

SECTION 1 SPECIFICATIONS ... ... 1-1,2 SECTION 2 INSIDE VIEWS ... ... 2—1,2 2-1 LOGIC UNIT ... ... 2-1 2-2 UHF RF UNIT ... ... 2-2 2-3 RX UNIT ... ... 2-3 SECTION 3 CIRCUIT DESCRIPTION ... ... 3-1-5 3-1 HAM BAND Receiver CIRCUITS ... ... 3—1 3-2 HAM BAND Transmitter CIRCUITS ... ... 3—2 3-3 HAM BAND PLL CIRCUITS ... ... 3—2 3-4 Receiver BAND CIRCUITS ... ... 3—3 3-5 Receiver BAND PLL CIRCUITS ... ... 3—4 3-6 OTHER CIRCUITS ... ... 3—5 SECTION 4 ADJUSTMENT PROCEDURES ... ... 4-1-5 4-1 PREPARATION BEFORE SERVICING ... ... 4—1 4-2 PLL ADJUSTMENT ... ... 4—2 4-3 Receiver ADJUSTMENT ... ... 4—2,3 4-4 Transmitter ADJUSTMENT ... ... 4—4,5 SECTION 5 PARTS LIST ... ... 5-1-11 SECTION 6 MECHANICAL PARTS AND DISASSEMBLY ... ... 6—1,2 6-1 FRONT PARTS ... ... 6-1 6-2 CHASSIS PARTS ... ... 6-2 6-3 ACCESSORIES ... ... 6-2 SECTION 7 BOARD LAYOUT ... ... 7-1-11 7-1 PTT UNIT ... ... 7—1 7-2 KEY UNIT ... ... 7—1 7-3 AFUNIT ... ... 7—2 7-4 JACK UNIT ... ... 7—2 7-5 CONNECTOR UNIT ... ... 7—3 7-6 PRT UNIT ... ... 7—3 7-7 LOGIC UNIT ... ... 7—4,5 7-8 UHF RF UNIT ... ... 7—6,7 7-9 RX UNIT ... ... 7—8,9 7-10 URF A UNIT ... ... 7—10 7-11 URF B UNIT ... 7—10 7-12 BPF A UNIT ... 7—10 7-13 BPF B UNIT ... 7—10 7-14 AF FIL UNIT ... 7—11 7-15 U VCO UNIT ... 7—11 7-16 RX VCO UNIT ... 7—11 SECTION 8 OPTIONAL UNIT ... 8—1 8-1 UT-63 TONE SQL UNIT ... 8—1 SECTION 9 VOLTAGE DIAGRAM ... 9-1-3 SECTION 10 BLOCK DIAGRAM ... 10—1

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User Manual
Manual type:
User Manual
Pages:
64
Size:
5.92 Mbytes (6209422 Bytes)
Language:
english
Revision:
Manual ID:
Date:
Quality:
Scanned document, reading partly badly, partly not readable.
Upload date:
2016 01 06
MD5:
643598e946e10406d4750e22663f6c48
Downloads:
919