Sony HCD-S888 - Servicing Notes

HCD-S888
3
TABLE OF CONTENTS
SELF DIAGNOSIS FUNCTION .................................... 2
1. SERVICING NOTES ............................................... 4
2. GENERAL
Location of Controls ...................................................... 5
3. DISASSEMBLY
3-1. Disassembly Flow ................................................. 8
3-2. Front Panel Section, Side Panel (L)/(R) ............... 9
3-3. I/O Board ............................................................... 9
3-4. SEL Board ............................................................. 10
3-5. DVD Board............................................................ 10
3-6. Mechanism Deck Section (CDM72B-DVBU12) . 11
3-7. POWER SW Board, DDCON Board .................... 11
3-8. POWER Board ...................................................... 12
3-9. AMP Board ........................................................... 12
3-10.Optical Pick-up Block (DVBU12) ........................ 13
3-11.RELAY Board ....................................................... 13
3-12.Holder (AT) Assy, Retainer (Chassis) Block ........ 14
3-13.Belt (L2) ................................................................ 14
3-14.Pulley (RTR) Assy................................................. 15
3-15.Belt (CK) ............................................................... 15
3-16.Pulley (SPT) Assy ................................................. 16
3-17.Belt (CK), Motor (CK) Assy (M751) ................... 16
4. ASSEMBLY
4-1. How To Install Pulley (SPT) Assy ........................ 17
4-2. How To Install Pulley (RTR) Assy ....................... 17
4-3. How To Install Rotary Encoder (Mode) (S741) ... 18
5. TEST MODE ............................................................. 19
6. DIAGRAMS
6-1. Block Diagrams
– RF SERVO Section – ......................................... 27
– AUDIO (DSP) Section – .................................... 28
– AUDIO OUT, PANEL Section – ....................... 29
– VIDEO Section – ............................................... 30
– MECHANISM DECK,
POWER SUPPLY Section – ....................... 31
6-2. Note for Printed Wiring Boards and
Schematic Diagrams ............................................. 32
6-3. Printed Wiring Boards – RF Section – ................ 33
6-4. Schematic Diagrams – RF Section – ................... 34
6-5. Printed Wiring Boards
– MECHANISM DECK Section – ....................... 35
6-6. Schematic Diagrams
– MECHANISM DECK Section – ....................... 36
6-7. Printed Wiring Boards
– DVD Board (Component Side) –....................... 37
6-8. Printed Wiring Boards
– DVD Board (Conductor Side) – ........................ 38
6-9. Schematic Diagrams – DVD Board (1/10) – ....... 39
6-10.Schematic Diagrams – DVD Board (2/10) – ....... 40
6-11.Schematic Diagrams – DVD Board (3/10) – ....... 41
6-12.Schematic Diagrams – DVD Board (4/10) – ....... 42
6-13.Schematic Diagrams – DVD Board (5/10) – ....... 43
6-14.Schematic Diagrams – DVD Board (6/10) – ....... 44
6-15.Schematic Diagrams – DVD Board (7/10) – ....... 45
6-16.Schematic Diagrams – DVD Board (8/10) – ....... 46
6-17.Schematic Diagrams – DVD Board (9/10) – ....... 47
6-18.Schematic Diagrams – DVD Board (10/10) – ..... 48
6-19.Printed Wiring Boards – AMP Section (1/2) – .... 49
6-20.Printed Wiring Boards – AMP Section (2/2) – .... 50
6-21.Schematic Diagrams – AMP Section (1/2) – ...... 51
6-22.Schematic Diagrams – AMP Section (2/2) – ...... 52
6-23.Printed Wiring Boards – I/O Section (1/2)– ........ 53
6-24.Printed Wiring Boards – I/O Section (2/2) – ....... 54
6-25.Schematic Diagrams – I/O Section (1/2) –.......... 55
6-26.Schematic Diagrams – I/O Section (2/2) –.......... 56
6-27.Printed Wiring Boards
– DC-DC CONVERTER Section – ...................... 57
6-28.Schematic Diagrams
– DC-DC CONVERTER Section – ...................... 58
6-29.Printed Wiring Boards – CONTROL Section – .. 59
6-30.Schematic Diagrams – CONTROL Section – ..... 60
6-31.Printed Wiring Boards – FL Board –................... 61
6-32.Schematic Diagrams – FL Board –...................... 62
6-33.Printed Wiring Boards
– POWER Section (1/2) – ..................................... 63
6-34.Printed Wiring Boards
– POWER Section (2/2) – ..................................... 64
6-35.Schematic Diagrams – POWER Section – .......... 65
6-36.IC Block Diagrams................................................ 71
6-37.IC Pin Function Description ................................. 83
7. EXPLODED VIEWS
7-1. General Section .................................................... 101
7-2. Front Panel Section-1 ........................................... 102
7-3. Front Panel Section-2 ........................................... 103
7-4. Chassis Section-1 ................................................. 104
7-5. Chassis Section-2 ................................................. 105
7-6. Chassis Section-3 ................................................. 106
7-7. Chassis Section-4 ................................................. 107
7-8. Mechanism Deck Section-1
(CDM72B-DVBU12) ........................................... 108
7-9. Mechanism Deck Section-2
(CDM72A-DVBU12)........................................... 109
7-10.Mechanism Deck Section-3
(CDM72A-DVBU12)........................................... 110
7-11.Mechanism Deck Section-4
(CDM72A-DVBU12)........................................... 111
7-12.Mechanism Deck Section-5
(CDM72A-DVBU12)........................................... 112
7-13.Mechanism Deck Section-6
(CDM72A-DVBU12)........................................... 113
7-14.Mechanism Deck Section-7
(CDM72A-DVBU12)........................................... 114
7-15.Optical Pick-up Section
(DVBU12) ............................................................ 115
8. ELECTRICAL PARTS LIST ............................. 116