Read Sony XM-7547 Service Manual online
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TABLE OF CONTENTS
1. SERVICE MODE
............................................................. 3
2. GENERAL
.......................................................................... 4
3. DISASSEMBLY
3-1. Side Plate and Filer Board .................................................... 7
3-2. Amplifier/Power Board and LED Board .............................. 7
3-2. Amplifier/Power Board and LED Board .............................. 7
4. ELECTRICAL ADJUSTMENT
.................................... 7
5. DIAGRAMS
5-1. Block Diagram – Amplifier Sction – .................................... 8
5-2. Block Diagram – Power Section – ........................................ 9
5-3. IC Block Diagram ............................................................... 10
5-4. Printed Wiring Board – LED/Filter Section – ..................... 10
5-5. Schematic Diagram – Filter/Amplifier (1/3) Section – ....... 11
5-6. Printed Wiring Board – Amplifier Section – ....................... 12
5-7. Schematic Diagram – Amplifier (2/3) Section – ................. 13
5-8. Schematic Diagram
5-2. Block Diagram – Power Section – ........................................ 9
5-3. IC Block Diagram ............................................................... 10
5-4. Printed Wiring Board – LED/Filter Section – ..................... 10
5-5. Schematic Diagram – Filter/Amplifier (1/3) Section – ....... 11
5-6. Printed Wiring Board – Amplifier Section – ....................... 12
5-7. Schematic Diagram – Amplifier (2/3) Section – ................. 13
5-8. Schematic Diagram
– Power/Amplifier (3/3)/LED Section – ............................. 14
5-9. Printed Wiring Board – Power Section – ............................ 15
6. EXPLODED VIEWS
6-1. Plate and Cover Section ...................................................... 17
6-2. Board and Heat Sink ........................................................... 18
6-2. Board and Heat Sink ........................................................... 18
7. ELECTRICAL PARTS LIST
........................................ 19
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be
• Notice that the minus side of a tantalum capacitor may be
damaged by heat.
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