Read Sony CFD-922L (serv.man2) Service Manual online
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TABLE OF CONTENTS
1. SERVICING NOTES
......................................................... 4
2. GENERAL
Location of controls ................................................................. 5
Adjusting the sound emphasis (MEGA BASS/TONE) ........... 5
Playing a CD ........................................................................... 6
Listening to the radio ............................................................... 6
Playing a tape .......................................................................... 7
Recording ................................................................................ 7
Adjusting the sound emphasis (MEGA BASS/TONE) ........... 5
Playing a CD ........................................................................... 6
Listening to the radio ............................................................... 6
Playing a tape .......................................................................... 7
Recording ................................................................................ 7
3. DISASSEMBLY
3-1. Cabinet (Front) Sub Assy .................................................... 8
3-2. Wires ................................................................................... 9
3-3. Secondary Board, Power Board .......................................... 9
3-4. Tuner Board ....................................................................... 10
3-5. Cabinet (Upper) Assy ........................................................ 10
3-6. Main Board ....................................................................... 11
3-7. CD Block Assy .................................................................. 11
3-8. MD Block Assy ................................................................. 12
3-9. Holder Assy, Cassette ........................................................ 12
3-10. PRE Board ......................................................................... 13
3-11. “Head, Magnetic”, Head (Erase), Belt, M301
3-2. Wires ................................................................................... 9
3-3. Secondary Board, Power Board .......................................... 9
3-4. Tuner Board ....................................................................... 10
3-5. Cabinet (Upper) Assy ........................................................ 10
3-6. Main Board ....................................................................... 11
3-7. CD Block Assy .................................................................. 11
3-8. MD Block Assy ................................................................. 12
3-9. Holder Assy, Cassette ........................................................ 12
3-10. PRE Board ......................................................................... 13
3-11. “Head, Magnetic”, Head (Erase), Belt, M301
(Capstan/Reel Motor) ........................................................ 13
4. MECHANICAL ADJUSTMENTS
............................... 14
5. ELECTRICAL ADJUSTMENTS
Tape Section .......................................................................... 14
Tuner Section ......................................................................... 15
CD Section ............................................................................ 16
Tuner Section ......................................................................... 15
CD Section ............................................................................ 16
6. DIAGRAMS
6-1. IC Pin Description ............................................................. 17
6-2. Circuit Boards Location .................................................... 18
6-3. Block Diagram – CD Section – ......................................... 19
6-4. Block Diagram – Main Section – ...................................... 21
6-5. Printed Wiring Board – Tuner Section – ........................... 23
6-6. Schematic Diagram – Tuner Section – .............................. 25
6-7. Printed Wiring Board – CD Section – ............................... 27
6-8. Schematic Diagram – CD Section – .................................. 29
6-9. Schematic Diagram – PRE Section – ................................ 31
6-10. Printed Wiring Boards – Main Section – .......................... 33
6-11. Schematic Diagram – Main Section (1/2) – ...................... 35
6-12. Schematic Diagram – Main Section (2/2) – ...................... 37
6-13. Printed Wiring Board – Control Section – ........................ 39
6-14. Schematic Diagram – Control Section – ........................... 41
6-15. Printed Wiring Boards – Power Supply Section – ............ 43
6-16. Schematic Diagram – Power Supply Section – ................. 45
6-2. Circuit Boards Location .................................................... 18
6-3. Block Diagram – CD Section – ......................................... 19
6-4. Block Diagram – Main Section – ...................................... 21
6-5. Printed Wiring Board – Tuner Section – ........................... 23
6-6. Schematic Diagram – Tuner Section – .............................. 25
6-7. Printed Wiring Board – CD Section – ............................... 27
6-8. Schematic Diagram – CD Section – .................................. 29
6-9. Schematic Diagram – PRE Section – ................................ 31
6-10. Printed Wiring Boards – Main Section – .......................... 33
6-11. Schematic Diagram – Main Section (1/2) – ...................... 35
6-12. Schematic Diagram – Main Section (2/2) – ...................... 37
6-13. Printed Wiring Board – Control Section – ........................ 39
6-14. Schematic Diagram – Control Section – ........................... 41
6-15. Printed Wiring Boards – Power Supply Section – ............ 43
6-16. Schematic Diagram – Power Supply Section – ................. 45
7. EXPLODED VIEWS
7-1. Cabinet (Front) Section ..................................................... 50
7-2. Cabinet (Rear) Section ...................................................... 51
7-3. Cabinet (Upper) Section .................................................... 52
7-4. Tape Mechanism Section-1 ............................................... 53
7-5. Tape Mechanism Section-2 ............................................... 54
7-6. Optical Pick-up Section ..................................................... 55
7-2. Cabinet (Rear) Section ...................................................... 51
7-3. Cabinet (Upper) Section .................................................... 52
7-4. Tape Mechanism Section-1 ............................................... 53
7-5. Tape Mechanism Section-2 ............................................... 54
7-6. Optical Pick-up Section ..................................................... 55
8. ELECTRICAL PARTS LIST
......................................... 56
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