Sony ST 5100 Service Manual

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SERVICE MANUAL
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TABLE OF CONTENTS

Section Title Page
1. TECHNICAL DESCRIPTION
1~1. Technical Specifications ...... . 1
1-2. Detailed Circuit Analysis ..... 1
1-3. Block Diagram ............... 7
2. DISASSEMBLY AND REPLACEMENT
PROCEDURES
2 2-2. Hardware Identification Guide . . 8
2-3. Top Cover And Bottom Plate
Removal . . .l .............. 8
2-4 Front Panel Removal .......... 8
2-5. Rear Panel Removal ......... . 9
2-6. Switch Replacement .......... 9
2-7. Pilot Lamp Replacement . . 10
2-8. Front Subchassis Removal . . i . . 11
2-9. Meter Replacement ........... I 1
2-10. Dial Scale Replacement ........ l 1
2-11. Front Glass Replacement ..... . 12
2-12. Dial Cord Stringing ........ . 12~13
2-13. Mechanical Dial Calibration . . . .. 14
2-14. Chassis Layout ............... 14
3. ALIGNMENT AND ADJUSTMENT
PROCEDURES
3-1. Fm I-f Strip Alignment ........ 15
3-2. Fm Discriminator Alignment . . . 16

Section Title Page
3-3. Muting Adjustment ........... 16
3-4. Fm Front-end Alignment ....... I7
35. Fm Stereo Separation
Adjustment ................ 18
3-6. Avm I-f Strip Alignment ....... 20~21
3-7. A-m Frequency Coverage And
Tracking Adjustment ....... 22~23
4. REPACKING ..................... 24
5. DIAGRAMS
5-1. Mounting Diagram
Fm Front-end Board ........ 25
5-2i Mounting Diagram
Fm l-f Board ............ 26~27
5-3.. Mounting Diagram
A-m Cp/I-f Board ......... 28~29
5-4. Mounting Diagram
MPX Decoder Board ....... 30~31
5-5. Mounting Diagram
Power Supply Board ........... 32
5-6. Schematic Diagram .......... 33~34
6. EXPLODED VIEW ............... 35~37
7. ELECTRICAL PARTS LIST ........ 38~43

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