Sansui 331 SS Service Manual
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Extracted text from Sansui 331 SS Service Manual (Ocr-read)
Page 1
SERVICE MANUAL
AM/FM STEREO RECEIVER
SANSUI 221/331/331l/33188
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SANSUI ELECTRIC CO., LTD.
Page 2
This service manual is designed for service engineers to repair, adjust,
maintain and order the replacement parts of the 331, 331L, 33155, 221
correctly.
When ordering the parts, use the stock number and parts name specific-
ally referring to the Parts Locations & Parts Lists.
For general usage and maintenance of the unit, please refer to the
Operating Instructions attached with the unit.
TABLE OF CONTENTS,
Section Title hi
1. SPECIFICATIONS ................................................ 2
2. PARTS LOCATION AND PARTS LIST ............................ 3
2-1. F-2531 Main Circuit Board ................................ 3, 4
2-2. F-2535 Tuner & Equalizer Circuit Board (MODEL 331, 221) .... 5, 6
2-3. F-254O Tuner & Equalizer Circuit Board (MODEL 33155, 331L).. 7, 8
24. Other Parts (Top Side) .......
2-5 Other Parts (Front Side) ...
THREADING OF DIAL CORD ......
ALIGNMENTS .................................................. 12
4-1. FM Alignment .r
4-2. AM Alignment .......................................... 13, 14
TROUBLESHOOTING CHART .................................. 15
5-4. Operation Block Diagram rrrrrr .H. 16
BOLCK DIAGRAM .............................................. 17
SCHEMATIC DIAGRAM rrrrr 18
7-1. SANSUI 221 Schematic Diagram .. .H. 18
7-2. SANSUI 331 Schematic Diagram .............................. 19
7-3. SANSUI 331L Schematic Diagram ............................ 20
7-4. SANSUI 33155 Schematic Diagram .. . 21
PACKING LIST 22
ACCESSORY PARTS LIST ...................................... 22