Sansui 5050 Service Manual

Page 2

Sauna.

This service manual is designed for service engineers to repair, adjust,
maintain and order the replacement parts of the 5050, 6060 correctly.
When ordering the parts, use the stock number and parts name speci-
fically referring to the Parts Location and Parts Lists.

For general usage and maintenance of the unit, please refer to the
Operating Instructions attached with the unit.

TABLE OF CONTENTS

Section

9".2"

Title Page
SPECIFICATIONS .............................................. 2
BLOCK DIAGRAM .....................

ADJUSTMENTS .....................

3-1. Adjustment of Bias Current .........
3-2. FM & MPX Adjustment & Alignmentt
3-3. AM IF Adjustment & Tracking .......
THREADING OF DIAL CORD ...........
4-1. Threading of Dial Cord .............
4-2t Attachment of Dial Pointer .............
PARTS LOCATION AND PARTS LIST .....
5-1. F-2648 Power Supply Circuit Board .t.
5-2t F-2651 Illumination Circuit Board

5-3. F-2650 Capacitor Circuit Board .........
5-4. F-2647 Driver Circuit Board
5-5 F-2646 Tone Control Circuit Board .....

5-6. F-2590 Tuner Circuit Board .................................. 10
5-7. F-2645 Muting Circuit Board ..................

5-8. F-2644 Equalizer Circuit Board .............................. 11
5-9 F-2649 Filter Circuit Board .................................. 11
5-10. Figures .................................................... 11
COMMON PARTS LIST FOR RESISTORS

& CAPACITORS ONLY (Attached)
OTHER PARTS ......... .. ,,,,,,, 12
6-I. Top Side .................................................. 12

6-2. Bottom Side
6-3. Exploded View .....
SCHEMATIC DIAGRAM ........................................ 14
7-1. MODEL 6060
7-2. MODEL 5050 ..i

7-3. Semiconductors ............................................ 16
OPERATION BLOCK DIAGRAM ................................ 16
8-1. Block Diagram of Power AMP. & Protector Circuit ...

8-2. Block Diagram of Tuner Section .................... 7 ........ 17
8-3, PLL Block Diagram (IC HA1I96) .............................. 17
8-4 FM IF System Block Diagram (IC HA1I37W) ....... 18

PACKING LIST .i ..................................
ACCESSORY PARTS LIST

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