Sansui TU 5500 Service Manual

Page 2

This service manual is designed for service engineers to repair,
adjust, maintain and order the replacement parts of the TU-5500

correctly.
When ordering the parts, use the stock number and parts name

specifically referring to the Parts Locations & Parts List.
For general usage and maintenance of the unit, please refer to the
Operating Instructions attached with the unit.

TABLE OF CONTENTS

Section Ltle Page
1. SPECIFICATIONS ............................................ r.. 2
2. BLOCK DIAGRAM .............................................. 3
3. ALIGNMENTS AND ADJUSTMENTS ............................ 4

3-1. FM IF Alignment .......................................... 4
3-2. FM Dial Calibration, MONO Distortion and RF Alignment . . .. 5
3-3. MPX Alignment ........................................ 5, 6
3-4. _ AM IF, Dial Calibration, RF and Signal Meter Alignment ...... 6
4. PARTS LOCATIONS AND PARTS LISTS ........................ 7
4-1. F-1506B Tuner Circuit Board ............................. 7, 8
4-2. F-1511 Power Supply Circuit Board .......................... 8
4-3. Other Parts (Front Side) .................................... 9
4-4. Other Parts (Top Side) ...................................... 10
4-5. Other Parts (Bottom Side) ................................. 10
5. THREADING OF DIAL CORD .................................. 11
6. TROUBLESHOOTING CHART .............................. 12, 13
7. PACKING LIST ................................................ 13
8. ACCESSORY PATRS LIST ...................................... 13
9. SCHEMATIC DIAGRAM ........................................ 14