Equipment information

Icom IC-271A Transceiver
Manufacturer
Icom
Model IC-271A
Date
Category Radio, Communication
Group Transceiver
Description 144MHz Transceiver
Information
                                    

These manuals are available for the above equipment:

Manual Type Service Manual Icom-5404-Manual-Page-1-Picture
Pages 147
Size 23.02 Mbytes (24137711 Bytes)
Language english
Revision
Manual-ID/Number A-0575
Date
Quality Scanned document, all readable.
Upload date
MD5 24813a19d385550d83f3468e42da6a74
Downloads 1489 since 26 January 2014
Information
SECTION	1
SPECIFICATIONS ... 1-1-1-2

SECTION	2	CONTROL FUNCTIONS ... 2-1-2-6

SECTION	3	INSIDE
VIEWS ... 3-1-3-4

SECTION	4	BLOCK
DIAGRAMS ... 4-1-4-2

SECTION	5	CIRCUIT DESCRIPTION  ... 
5-1-5-15

5-1	RECEIVER
 ...  5-1

5-2
TRANSMITTER ... 
5-3

5-3
PLL(HPL)UNIT ... 5-5

5-4	LOGIC UNIT
 ...  5-6

5-5	FILTER
UNIT ... 5-13

5-6	CSS AND DC-DC UNITS ... 5-14

5-7	OTHER CIRCUITS
 ...  5-15

SECTION	6	MECHANICAL PARTS AND

DISASSEMBLY  ...  6-1—6-11

SECTION	7	MAINTENANCE AND ADJUSTMENT ... 7-1-7-9

7-1	PREPARATION BEFORE SERVICING ... 7-1

7-2	PLL ADJUSTMENT
 ...  7-2

7-3	TRANSMITTER ADJUSTMENT ... 7-4

7-4	RECEIVER ADJUSTMENT  ...  7-8

SECTION	8	CIRCUIT DIAGRAMS/VOLTAGE CHARTS ••• 8-1-8-14

SECTION	9	BOARD LAYOUTS(IC-271 H) ... 9-1-9-6

SECTION	10	IC
SPECIFICATIONS ... 10-1-10-13

SECTION	11	PARTS LIST
 ...  11-1-11-21

SECTION	12	SCHEMATIC
DIAGRAMS ... SEPARATE

SECTION	13	BOARD LAYOUTS(IC-271 A/E)  ... 
SEPARATE
Icom-5404-Manual-Page-1-Picture


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