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Sony HCD-C990 Service Manual - Page 29

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HCD-C770/C990 2-7. Disc Check Memory Disc Check Memory 1. SL Disc check 2. SL Disc check 3. SL Disc check 3. MECHA AGING On the Test Mode Menu screen, selecting [3] executes the aging of the mechanism deck. ### Aging Test MENU ### Operation Menu 1. Open/Close Test Exit: RETURN On this screen, measure the mirror time of chucked disc, and write to the EEPROM. 2-8. Error Rate Display Error Rate Display UC CR ADD PI1 Err Now xx xxxx xxxxxxxx Max xx xxxx xxxxxxxx Avg xx xxxx xxxxxxxx PI2 Err Now xx xxxx xxxxxxxx Max xx xxxx xxxxxxxx Avg xx xxxx xxxxxxxx PO Err Now xx xxxx xxxxxxxx Max xx xxxx xxxxxxxx Avg xx xxxx xxxxxxxx Exit: RETURN On this screen, measure and display the error rate. UC : Incorrect value CR : Correct value Add : Address 2-9. SACD Water Mark Check SACD Water Mark Check PSP AMP PSN Start: ENTER Exit: RETURN On this screen, measure the PSP AMP value and PSN value of SACD water mark. Exit: RETURN 1) On the Aging Test MENU screen, press the [1] key on the remote commander to display the Open/Close Test screen. 2) Insert discs and press the [ENTER] key on the remote commander. 3) Is starts the aging. During aging, the disc number, operating status and repeat cycle are displayed. Aging can be aborted at any time by pressing the x key. After the operation is stopped, press the x key or [RETURN] key aging to return to the Aging Test MENU. 4. EMERGENCY HISTORY On the Test Mode Menu screen, selecting [4] displays the information such as servo emergency history. The history information from last 1 up to 10 can be scrolled with the O key or o key. Also, specific information can be displayed by directly entering that number with ten keys. ### EMG. History ### Laser Hours CD xxxxhxxm DVD xxxxhxxm a. bb xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx a. bb xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx Select:1-9 Scroll:UP/DOWN (1.Latest EMG.) Exit: RETURN xxxxhxxm : The laser on total hours. Data below minutes are omitted. a. : Error number. bb : Error code. xx : Not used. • Clearing History Information Clearing laser hours: Press the [DVD DISPLAY] and [CLEAR] keys in this order. Then both CD and DVD data are cleared. Clearing emergency history: Press the [DVD TOP MENU] and [CLEAR] keys in this order. Initializing set up data: Press [DVD MENU] and [CLEAR] keys in this order. The data have been initialized when "Set Up Initialized" message is displayed. The EMG. History screen will be restored soon. 29

Section	Page
COVER	1
SELF DIAGNOSIS FUNCTION	2
TABLE OF CONTENTS	4
1. SERVICING NOTES	5
2. GENERAL	6
3. DISASSEMBLY	9
3-1. DISASSEMBLY FLOW	9
3-2. FRONT PANEL (AL) SECTION, SIDE PANEL (L)/(R)	10
3-3. MECHANISM DECK (CDM69-DVBU16)	10
3-4. POWER SW BOARD	11
3-5. AUDIO BOARD, VIDEO BOARD	11
3-6. AMP BOARD	12
3-7. POWER BOARD	12
3-8. DVD BOARD	13
3-9. OPTICAL PICK-UP (DVBU16)	13
3-10. PICK-UP UNIT (TDP022W)	14
3-11. SW BOARD, BRACKET (TOP) ASSY	14
3-12. RELAY BOARD	15
3-13. MOTOR (STOCKER) ASSY (STOCKER) (M781)	15
3-14. MOTOR (STOCKER) ASSY (ROLLER) (M771)	16
3-15. MOTOR (STOCKER) ASSY (MODE) (M761)	16
3-16. RUBBER ROLLER (SLIDER) ASSY	17
3-17. TIMING BELT (FRONT/REAR)	17
3-18. CAM (GEAR)	18
3-19. SENSOR BOARD	18
4. ASSEMBLY	19
4-1. HOW TO INSTALL THE CAM (EJECT LOCK)	19
4-2. HOW TO INSTALL THE CAM (GEAR)	19
4-3. HOW TO INSTALL THE GEAR (MODE 2)	20
4-4. HOW TO INSTALL THE GEAR (MODE CAM)	20
4-5. HOW TO INSTALL THE ROTARY ENCODER (S702), GEAR (STOCKER COMMUNICATION)	21
4-6. HOW TO INSTALL THE CAM (STOCKER U/D)	21
4-7. HOW TO INSTALL THE STOCKER ASSY	22
4-8. PHASE ADJUSTMENT BETWEEN PINIONS (SLIDER) AND SLIDER-1 TO 5 (L/R)	23
5. TEST MODE	24
6. ELECTRICAL ADJUSTMENT	31
7. DIAGRAMS	32
7-1. BLOCK DIAGRAM – RF SERVO Section –	32
7-2. BLOCK DIAGRAM – AUDIO (DSP) Section –	33
7-3. BLOCK DIAGRAM – AUDIO OUT, PANEL Section –	34
7-4. BLOCK DIAGRAM – VIDEO Section –	35
7-5. BLOCK DIAGRAM – CHANGER, POWER SUPPLY Section –	36
7-6. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS	37
7-7. PRINTED WIRING BOARDS – RF Section –	38
7-8. SCHEMATIC DIAGRAM – RF Section –	39
7-9. PRINTED WIRING BOARDS – CHANGER Section –	40
7-10. SCHEMATIC DIAGRAM – CHANGER Section –	41
7-11. PRINTED WIRING BOARD – DVD Board (Component Side) –	42
7-12. PRINTED WIRING BOARD – DVD Board (Conductor Side) –	43
7-13. SCHEMATIC DIAGRAM – DVD Board (1/10) –	44
7-14. SCHEMATIC DIAGRAM – DVD Board (2/10) –	45
7-15. SCHEMATIC DIAGRAM – DVD Board (3/10) –	46
7-16. SCHEMATIC DIAGRAM – DVD Board (4/10) –	47
7-17. SCHEMATIC DIAGRAM – DVD Board (5/10) –	48
7-18. SCHEMATIC DIAGRAM – DVD Board (6/10) –	49
7-19. SCHEMATIC DIAGRAM – DVD Board (7/10) –	50
7-20. SCHEMATIC DIAGRAM – DVD Board (8/10) –	51
7-21. SCHEMATIC DIAGRAM – DVD Board (9/10) –	52
7-22. SCHEMATIC DIAGRAM – DVD Board (10/10) –	53
7-23. PRINTED WIRING BOARD – AMP Section (1/2) –	54
7-24. PRINTED WIRING BOARDS – AMP Section (2/2) –	55
7-25. SCHEMATIC DIAGRAM – AMP Section (1/2) –	56
7-26. SCHEMATIC DIAGRAM – AMP Section (2/2) –	57
7-27. PRINTED WIRING BOARDS – AUDIO Section –	58
7-28. SCHEMATIC DIAGRAM – AUDIO Section –	59
7-29. PRINTED WIRING BOARD – VIDEO Section –	60
7-30. SCHEMATIC DIAGRAM – VIDEO Section –	61
7-31. PRINTED WIRING BOARDS – DC-DC CONVERTER Section –	62
7-32. SCHEMATIC DIAGRAM – DC-DC CONVERTER Section –	63
7-33. PRINTED WIRING BOARDS – CONTROL Section –	64
7-34. SCHEMATIC DIAGRAM – CONTROL Section –	65
7-35. PRINTED WIRING BOARD – FL Board –	66
7-36. SCHEMATIC DIAGRAM – FL Board –	67
7-37. PRINTED WIRING BOARD – POWER Section (1/2) –	68
7-38. PRINTED WIRING BOARDS – POWER Section (2/2) –	69
7-39. SCHEMATIC DIAGRAM – POWER Section –	70
7-40. IC PIN FUNCTION DESCRIPTION	88
8. EXPLODED VIEWS	107
8-1. GENERAL SECTION	107
8-2. FRONT PANEL SECTION-1	108
8-3. FRONT PANEL SECTION-2	109
8-4. CHASSIS SECTION-1	110
8-5. CHASSIS SECTION-2	111
8-6. CHASSIS SECTION-3	112
8-7. MECHANISM DECK SECTION-1 (CDM69-DVBU16)	113
8-8. MECHANISM DECK SECTION-2 (CDM69-DVBU16)	114
8-9. MECHANISM DECK SECTION-3 (CDM69-DVBU16)	115
8-10. MECHANISM DECK SECTION-4 (CDM69-DVBU16)	116
8-11. MECHANISM DECK SECTION-5 (CDM69-DVBU16)	117
8-12. MECHANISM DECK SECTION-6 (CDM69-DVBU16)	118
8-13. OPTICAL PICK-UP SECTION (DVBU16)	119
9. ELECTRICAL PARTS LIST	120
AMP	120
AUDIO	123
CONTROL	125
DDCON	125
DVD	125
FL	135
HP	135
KEY	135
MODE MOTOR	136
POWER	136
POWER LED	137
POWER S/W	138
RELAY	138
RF	138
ROLLER MOTOR	139
SEL	139
SENSOR	139
STOCKER MOTOR	139
SW (1)	139
SW (2)	139
SW (3)	139
SW (4)	139
VIDEO	140
VOL	140

Match case Limit results 1 per page

HCD-C770/C990

2-7.

Disc Check Memory

1. SL Disc check

2. SL Disc check

3. SL Disc check

Exit: RETURN

On this screen, measure the mirror time of chucked disc, and write

to the EEPROM.

2-8.

Error Rate Display

CR ADD

PI1 Err

Now xx xxxx xxxxxxxx

Max xx xxxx xxxxxxxx

Avg xx xxxx xxxxxxxx

PI2 Err

Now xx xxxx xxxxxxxx

Max xx xxxx xxxxxxxx

Avg xx xxxx xxxxxxxx

Err

Now xx xxxx xxxxxxxx

Max xx xxxx xxxxxxxx

Avg xx xxxx xxxxxxxx

Exit: RETURN

On this screen, measure and display the error rate.

: Incorrect value

: Correct value

Add : Address

2-9.

SACD Water Mark Check

PSP AMP

PSN

Start: ENTER

Exit: RETURN

On this screen, measure the PSP AMP value and PSN value of SACD

water mark.

MECHA AGING

On the Test Mode Menu screen, selecting

[3]

executes the aging of

the mechanism deck.

### Aging Test MENU ###

Operation Menu

1. Open/Close Test

Exit: RETURN

On the Aging Test MENU screen, press the

[1]

key on the

remote commander to display the Open/Close Test screen.

Insert discs and press the

[ENTER]

key on the remote

commander.

Is starts the aging.

During aging, the disc number, operating status and repeat cycle

are displayed. Aging can be aborted at any time by pressing

the

key. After the operation is stopped, press the

key or

[RETURN]

key aging to return to the Aging Test MENU.

EMERGENCY

HISTORY

On the Test Mode Menu screen, selecting

[4]

displays the

information such as servo emergency history.

The history information from last 1 up to 10 can be scrolled with

the

key or

key. Also, specific information can be displayed

by directly entering that number with ten keys.

### EMG. History ###

Laser Hours

xxxxhxxm

DVD xxxxhxxm

bb xx xx xx

xx xx xx xx

bb xx xx xx

xx xx xx xx

Select:1-9

Scroll:UP/DOWN

(1.Latest EMG.)

Exit: RETURN

xxxxhxxm : The laser on total hours. Data below minutes are

omitted.

: Error number.

: Error code.

: Not used.

•

Clearing History Information

Clearing laser hours:

Press the

[DVD°DISPLAY]

and

[CLEAR]

keys in this order.

Then both CD and DVD data are cleared.

Clearing emergency history:

Press the

[DVD°TOP°MENU]

and

[CLEAR]

keys in this order.

Initializing set up data:

Press

[DVD°MENU]

and

[CLEAR]

keys in this order.

The data have been initialized when “Set Up Initialized”

message is displayed. The EMG. History screen will be restored

soon.