Sansui AU 5500 Service Manual

Page 2

This service manual is designed for service engineers to repair, adjust,
maintain and order the replacement parts of the AU-SSOO correctly.
When ordering the parts, use the stock number and parts name speci-
fically 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.

TA

Section

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99°F?

BLE OF CONTENTS

Lie Pa_ge
SPECIFICATIONS ................................................ 2
BLOCK DIAGRAM AND VALUE OF EACH LEVEL ............. 3
ADJUSTMENT .................................................. 4
3~l. Driver Circuit Board Adjustment .............................. 4
PARTS LOCATIONS AND PARTS LISTS ........................ 5
41. F-209l Equalizer & Power Supply Circuit Board .............. 5, 6

4-2. F-2098 Accessory Switch Circuit Board ........................
4-3. F-2414 Tone Control Circuit Board ....................

4-4. F-24IS Accessory Switch Circuit Board
4»S. F»2099 Volume Circuit Board ...................
4-6. F-2097B Driver & Power Supply Circuit Board

4-7. Other Parts (Front Side) ...................................... 10
4-8, Other Parts (Top Side) ...................................... 11
4-9. Other Parts (Bottom Side) .................................... 1 1
TROUBLESHOOTING CHART .................................. 12
51. Troubleshooting on Power Supply Section .................... 12
5-2. Troubleshooting on Audio Section ............................ 12
SCHEMATIC DIAGRAM .............. ... ...................... 13
REPLACEMENT OF POWER TRANSISTORS .......... , .......... 14
PACKING LIST .................................................. 14

ACCESSORY PARTS LIST ...................................... 14