Sony SCDXB-770 Service manual

SCD-XB770
SERVICE MANUAL
Ver 1.1 2001.07
SPECIFICATIONS
AEP Model
UK Model
Model Name Using Similar Mechanism NEW CD Mechanism Type CDM66B-DVBU6 Base Unit Name DVBU-6 Optical Pick-up Name KHM-230AAA
9-873-846-12 Sony Corporation
2001G0500-1 Home Audio Company C 2001.7 Shinagawa Tec Service Manual Production Group
SUPER AUDIO CD PLAYER
SCD-XB770
Ver 1.1 2001.07

TABLE OF CONTENTS

1. SERVICING NOTES ............................................... 3
2. GENERAL ................................................................... 6
3. DISASSEMBLY
3-1. Disassembly Flow ........................................................... 9
3-2. Cover ............................................................................... 10
3-3. Front Panel Section ......................................................... 10
3-4. AUDIO Board, MAIN Board .......................................... 11
3-5. Mechanism Deck (CDM66B-DVBU6) .......................... 11
3-6. Base Unit (DVBU-6) ....................................................... 12
4. TEST MODE.............................................................. 13
5. DIAGRAMS
5-1. Block Diagram – RF/SERVO Section – ........................ 26
5-2. Block Diagram – SERVO Section – .............................. 27
5-3. Block Diagram – MAIN Section – ................................ 28
5-4. Block Diagram – AUDIO Section – .............................. 29
5-5. Block Diagram – DISPLAY/KEY CONTROL/
POWER SUPPLY Section – ........................................... 30
5-6. Notes for Printed Wiring Boards and
Schematic Diagrams ....................................................... 31
5-7. Schematic Diagram – RF Board – ................................. 32
5-8. Printed Wiring Boards
– RF/LOADING Boards – .............................................. 33
5-9. Printed Wiring Board
– MAIN Board (Component Side) – .............................. 34
5-10. Printed Wiring Board
– MAIN Board (Conductor Side) – ................................ 35
5-11. Schematic Diagram
– MAIN (1/5)/ LOADING Boards – ............................. 36
5-12. Schematic Diagram – MAIN Board (2/5) – .................. 37
5-13. Schematic Diagram – MAIN Board (3/5) – .................. 38
5-14. Schematic Diagram – MAIN Board (4/5) – .................. 39
5-15. Schematic Diagram – MAIN Board (5/5) – .................. 40
5-16. Schematic Diagram – AUDIO/HP Boards – ................. 41
5-17. Printed Wiring Board
– AUDIO Board (Component Side) – ............................ 42
5-18. Printed Wiring Boards
– AUDIO (Conductor Side)/HP Boards – ..................... 43
5-19. Printed Wiring Boards – DISPLAY/KEY Boards –...... 44
5-20. Schematic Diagram – DISPLAY/KEY Boards – .......... 45
5-21. Printed Wiring Boards
– POWER/TRANS Boards – .......................................... 46
5-22. Schematic Diagram – POWER/TRANS Boards –........ 47
5-23. IC Pin Function Description ........................................... 55
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam­aged by heat.
Flexible Circuit Board Repairing
• Keep the temperature of the soldering iron around 270 ˚C dur­ing repairing.
• Do not touch the soldering iron on the same conductor of the circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering or unsoldering.
CAUTION
Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous ra­diation exposure.
This appliance is classified as a CLASS 1 LASER product. The CLASS 1 LASER PRODUCT MARKING is located on the rear exterior.
The following caution label is located inside the unit.
6. EXPLODED VIEWS
6-1. Cover Section .................................................................. 70
6-2. Front Panel Section ......................................................... 71
6-3. Chassis Section ............................................................... 72
6-4. Mechanism Deck Section (CDM66B-DVBU6)............. 73
6-5. Base Unit Section (DVBU-6) ......................................... 74
7. ELECTRICAL PARTS LIST ............................... 75
2
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB­LISHED BY SONY.
SECTION 1

SERVICING NOTES

NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT
The laser diode in the optical pick-up block may suffer electro­static break-down because of the potential difference generated by the charged electrostatic load, etc. on clothing and the human body. During repair, pay attention to electrostatic break-down and also use the procedure in the printed matter which is included in the repair parts. The flexible board is easily damaged and should be handled with care.
NOTES ON LASER DIODE EMISSION CHECK
The laser beam on this model is concentrated so as to be focused on the disc reflective surface by the objective lens in the optical pick-up block. Therefore, when checking the laser diode emis­sion, observe from more than 30 cm away from the objecti ve lens.
CLEANING OF OPTICAL PICK-UP LENS
In cleaning the lens of optical pick-up, use the air blower. Never use a cotton swab for cleaning the lens of optical pick-up, which otherwise causes a trouble.
SCD-XB770
HOW TO OPEN THE TRAY WHEN POWER SWITCH TURNS OFF
tray
A
cam (66)
tapering driver
1
Insert a tapering driver (3 mm in diameter) in the hole at the bottom of the unit, turn the cam (66) fully in the direction of arrow A.
3
SCD-XB770
DISPLAY BOARD SERVICE POSITION
In checking the DISPLAY board, prepare jig (extension cable J-8000-024-A : 1.00 mm Pitch, 12 cores, Length 300 mm.)
MAIN board
CN706
DISPLAY board
CN801
Note: Follow the assembly procedure in the numerical order given.
INSTALLATION OF THE TRANS BOARD
Note : Solder the TRANS board after installing power transformers (T901, T902)
to the chassis. (To prevent the TRANS board from being cracked.)
3
four screws (PTTWH3
×
6)
4
Connect jig (extension cable J-8000-024-A) to the DISPLAY board (CN801) and MAIN board (CN706).
5
Solder seventeen portions.
four screws
3
(PTTWH3
×
6)
2
power transformer (T902)
1
power transformer (T901)
4
RESETTING OPERATION AT POWER ON
If the power is turned on with a disc loaded in the set, a sequence of operation as shown below will be performed. (The operation varies depending on the type of disc) Condition: continue mode
SCD-XB770
Ver 1.1 2001.07
(1) CD
1. Sled reverse move (sled in)
2. Disc detect
3. IC setting for CD
4. Servo error signal offset auto adjustment
5. Spindle kick for LD on
6. LD on
7. Focus search
8. Focus servo on
9. Spindle kick
10. Spindle servo on
11. E-F balance auto adjustment
12. Tracking & sled servo on
13. Focus bias auto adjustment
14. Focus servo gain auto adjustment
15. Tracking servo gain auto adjustment
16. Jump to lead-in area
17. Read TOC
18. Stop
(2) SACD (single layer)
1. Sled reverse move (sled in)
2. Disc detect
3. IC setting for SACD
4. Servo error signal offset auto adjustment
5. Spindle kick for LD on
6. LD on
7. Focus search
8. Focus servo on
9. Spindle kick
10. Spindle servo on
11. E-F balance auto adjustment
12. Tracking & sled servo on
13. Focus bias auto adjustment
14. Focus servo gain auto adjustment
15. Tracking servo gain auto adjustment
16. Jump to lead-in area
17. Read TOC
18. Stop
(3) SACD (dual layer)
1. Sled reverse move (sled in)
2. Disc detect
3. IC setting for SACD
4. Servo error signal offset auto adjustment
5. Spindle kick for LD on
6. LD on
7. Focus search
8. Focus servo on (layer 0)
9. Spindle kick
10. Spindle servo on
11. E-F balance auto adjustment (layer 0)
12. Tracking & sled servo on (layer 0)
13. Focus bias auto adjustment (layer 0)
14. Focus servo gain auto adjustment (layer 0)
15. Tracking servo gain auto adjustment (layer 0)
16. Jump to lead-in area
17. Read TOC
18. Focus jump (layer 0tlayer 1)
19. E-F balance auto adjustment (layer 1)
20. Tracking & sled servo on (layer 1)
21. Focus bias auto adjustment (layer 1)
22. Focus servo gain auto adjustment (layer 1)
23. Tracking servo gain auto adjustment (layer 1)
24. Focus Jump (layer 1tlayer 0)
25. Stop
5
SCD-XB770
Front Panel Parts Descriptions
SECTION 2

GENERAL

This section is extracted from instruction manual.
POWER
PHONES
PHONE LEVEL
MIN MAX
TIME/TEXT SACD/CD
MENU MULTI/2CH
1 POWER switch (14)
Press to turn on the player.
2 TIME/TEXT button (15)
Each time you press the button, the playing time of the track, the total remaining time on the disc, or TEXT information appears in the display.
3 SACD/CD button (12)
Each time you press the button, ”SACD“ or ”CD“ appears in the display. Select the type of CD you want to play.
4 Disc tray (14)
Press A OPEN/CLOSE to open/close the disc tray.
Multi-channel indicator
5
Turns on when you turn on the player, or when the Multi-channel Super Audio CD is loaded and select the Multi-channel playback area by pressing MULTI/ 2CH.
6 A OPEN/CLOSE button (14)
Press to open the disc tray
.
7 H button (14)
Press to start play.
8 X button (14)
Press to pause play.
9 x button (14)
Press to stop play.
OPEN CLOSE
AMS
PUSH ENTER
0 l AMS L dial (AMS: Automatic Music Sensor)
(13)
When you turn the l AMS L dial counterclockwise by one click, you go back to the preceding track; when you turn the l AMS L dial clockwise by one click, you go to the succeeding track.
qa m/M buttons (18)
Press to locate a portion you want to play within a track.
qs Display window (15)
Shows various information.
qd MULTI/2CH button (12)
Press to select the playback area when the 2 channel + Multi-channel Super Audio CD (page 13) is loaded.
qf MENU (13)
Press to enter the menu.
qg PHONES LEVEL
Adjust the headphones volume.
qh PHONES
Connect the headphones. During playback of a Multi-channel Super Audio CD,
the same signal that is output from the ANALOG
5.1CH FRONT L/R jacks is output from the PHONES jack.
Rear Panel Parts Descriptions
ANALOG
2CH OUT 5.1CH OUT OUT
FRONT COAXIAL OPTICALSURR CENTER
L
R
1 ANALOG 2CH OUT L/R jacks (6)
Connect to an audio component (stereo/2 channel) using the audio connecting cord.
2 ANALOG 5.1CH OUT jacks (5)
Connect to an amplifier equipped with the 5.1CH input jacks (Multi-channel amplifier, AV amplifier, etc.) using the audio connecting cords.
3 DIGITAL (CD) OUT COAXIAL connector (7)
Connect to an audio component using the coaxial digital cable.
4 DIGITAL (CD) OUT OPTICAL connector (7)
Connect to an audio component using an optical digital cable.
DIGITAL(CD)
L
SUB
R
WOOFER
Note
Only the audio signals of the CD can be output from the DIGITAL (CD) OUT connectors shown in 3 and 4. Those of the Super Audio CD cannot be output through DIGITAL (CD) OUT.
6
Remote Parts Descriptions
SCD-XB770
1 CONTINUE button (20)
Press to resume normal play from Shuffle Play or Programme Play.
SHUFFLE button (20)
Press to select Shuffle Play.
PROGRAM button (21)
Press to select Programme Play.
2 DISPLAY MODE button (16)
Press to turn off the information.
3 TIME/TEXT button (15)
Each time you press the button, the playing time of the track, the total remaining time on the disc, or TEXT information appears in the display.
4 Number buttons (18)
Press to enter the track numbers.
5
i
10 button (18)
Press to locate a track numbered over 10.
6 REPEAT button (19)
Press repeatedly to play all tracks or only one track on the disc.
7 AyB button (20)
Press to select Repeat A-B Play.
8 H button (14)
Press to start play.
X button (14)
Press to pause play .
x button (14)
Press to stop play.
9 AMS ./> (AMS: Automatic Music Sensor)
buttons (18)
Press to locate a specific track.
0 m/M buttons (18)
Press to locate a portion you want to play within a track.
qa INDEX >/. buttons (18)
Press to locate a specific point marked with an index signal when you play a disc that has index signals.
qs SACD/CD button (12)
Each time you press the button, ”SACD“ or ”CD“ appears in the display. Select the type of CD you want to play.
qd MULTI/2CH button (12)
Press to select the playback ar ea when the 2 channel + Multi-channel Super Audio CD (page 13) is loaded.
qf ENTER button (24)
Press to decide the selection.
qg CLEAR button (21)
Press to delete a programmed track number.
qh LEVEL ADJ button (24)
Press to adjust the output level balance for the Multi­channel management function (page 22).
CHECK button (21)
qj
Press to check the programmed order.
PLAY MODE
CONTINUE SHUFFLE
DISPLAY/
MODE
TIME/TEXT
PROGRAM
SACD/CD
MULTI/2CH
123 456 78
>10 ENTER
REPEAT
9
10/0
CLEAR
CHECK
LEVEL
BA
ADJ
AMS
INDEX
11
7
SCD-XB770
Compatible Disc Types
You can play the following discs with this player. Depending on the type of disc to be played, select the appropriate indicator by pressing SACD/CD or MULTI/ 2CH (pages 14).
Classification by the layer configuration
Super Audio CD (single layer disc)
This disc consists of a single HD (high density) layer. When you play this disc, the player is set to the Super Audio CD playback mode automatically.
HD (Super Audio CD) layer
Super Audio CD (dual layer disc)
This disc consists of dual HD layers and is capable of extended play over long periods. When you play this disc, the player is set to the Super Audio CD playback mode automatically. Also, as the dual layer disc consists of dual HD layers on one side only, it is not necessary to turn the disc over.
HD (Super Audio CD) layer
HD (Super Audio CD) layer
Conventional CD
This disc is the standard format. When you play this disc, the player is set to the Conventional CD playback mode automatically.
CD layer
Super Audio CD + CD (Hybrid disc)
This disc consists of an HD layer and a CD layer. Press SACD/CD to select the layer you want to listen to. Also, as the dual layers are on one side, it is not necessary to turn the disc over.You can play the CD layer using a conventional CD player.
CD layer
HD (Super Audio CD) layer
Classification by the channel configuration of the Super Audio CD
2 channel Super Audio CD
This disc consists of the 2 channel playback area. When you play this disc, the player is set to the 2 channel playback mode automatically.
2 channel playback area
Multi-channel Super Audio CD
This disc consists of the multi-channel playback area. When you play this disc, the player is set to the multi­channel playback mode automatically.
Multi-channel playback area
2 channel + Multi-channel Super Audio CD
This disc consists of the 2 channel playback area and the multi-channel playback area. Press MULTI/2CH to select the playback area you want to listen to.
2 channel playback area
Multi-channel playback area
You can select the default playback area (2 channel playback or multi-channel playback area).
1 During stop mode, press MENU. 2 Turn l AMS L until “M/2CH SELECT” appears
in the display.
3 Press l AMS L.
The current playback area appears.
4 Turnl AMS L to select desired playback area,
then press l AMS L.
Incompatible Discs
This player cannot play the following discs. If you try to play them, the error message “TOC Error” or “NO DISC” will appear or there will be no sound.
• CD-ROM
• DVD, etc.
8
• This set can be disassembled in the order shown below.

3-1. DISASSEMBLY FLOW

SET
3-2. COVER
(Page 9)
SCD-XB770
SECTION 3

DISASSEMBLY

3-3. FRONT PANEL SECTION
(Page 9)
3-4. AUDIO BOARD,
MAIN BOARD (Page 10)
3-5. MECHANISM DECK
(CDM66B-DVBU6) (Page 10)
3-6. BASE UNIT
(DVBU-6) (Page 11)
9
SCD-XB770
)
Note: Follow the disassembly procedure in the numerical order given.
3-2. COVER
2
two flat head screws (TP)
2
two flat head screws (TP)
4
two washers (DIA. 3.2)
5
two washers (P)
3

cover

1
two screws
2
two flat head screws (TP)
4
two washers (DIA. 3.2
3-3. FRONT PANEL SECTION
4
7

front panel section

1
Pull out the tray. (Refer to page 3, HOW TO OPEN THE TRA Y WHEN POWER SWITCH TURNS OFF.)
2
loading panel assy
connector (CN992)
6
two claws
6
two claws
4
two connector (CN305, 905)
3
wire (flat type) (12 core) (CN706)
10
5
seven screws (BV/RING)

3-4. AUDIO BOARD, MAIN BOARD

)
)
8
8
wire (flat type) (30 core) (CN708)
9
connector (CN703)
0
screw
9
two connectors (CN704, 707)
qa
wiring stopper
qs
MAIN board
(BVTT3
×
6)
1
two wires (flat type) (19 core) (CN302, 303)
wire (flat type) (12 core) (CN706)
2
four connectors

(CN301, 304, 305, 306)
5
0
three screws (BVTT3
6
PC board holder
7
AUDIO board
4
screw (BVTT3
two washers (DIA. 3.6)
×
6)
3
five screws (BVT/RING
×
6)
SCD-XB770
3-5. MECHANISM DECK (CDM66B-DVBU6)
1
Pull out the tray. (Refer to page 3, HOW TO OPEN THE TRAY WHEN POWER SWITCH TURNS OFF.)
2
loading panel assy
3
Push the tray.
6
three screws (BVTT3
×
8)
7

mechanism deck (CDM66B-DVBU6)

4
wire (flat type) (30 core (CN708)
5
connector (CN151)
11
SCD-XB770
3-6. BASE UNIT (DVBU-6)
– BOTTOM VIEW –
cam (66)

base unit (DVBU-6)

2
1
screw (DIA. 12), floating
3
base unit (DVBU-6)
12
SECTION 4

TEST MODE

SCD-XB770
Ver 1.1 2001.07
This set automatically executes self-diagnosis and various checks by entering the test mode.
Note: This set automatically makes various adjustments according to the
type of disc, thereby not requiring adjustment of the set when parts were replaced. However, be sure to execute 4-1. IC AND FLUO­RESCENT DISPLAY TUBE CHECK, 4-2. AUTO CHECK and 4-
7. WAVEFORMS CHECK.
Disc for Test Mode
Various checks of this set require the following discs.
Model Type *1 Category Application
MODEL SATD-S5 (J-2501-215-A) SL SATD-S4 Optical waveform check (J-2501-184-A)
Not specified DL 12 cm disc Operation check PATD-012
(4-225-203-01) YEDS-18 Reference disc (3-702-101-01)
Not specified HYBRID 12 cm disc Operation check
CD
12 cm disc Reference disc
12 cm disc
Adjusted value check, Operation check,
Adjusted value check, Operation check, Optical waveform check
*1 SL: Single Layer
DL: Dual Layer
Setting Method of Test Mode
Turn the [POWER] switch on while pressing the [ AMS ]
lL
dial and the [MENU] button. Release the [MENU] button and the
lL
[ AMS ] dial in this order when “Test Mode Menu” is
displayed on the fluorescent indicator tube. (If the
lL
[ AMS ]
dial is released first, the test mode becomes active b ut “T est Mode Menu” is not displayed)
Releasing Method of Test Mode
To release the test mode, turn the
[POWER] switch off.
Selection/Entry of Test Mode
To select and enter the “Test Mode Menu”, operate as follows.
1. Rotate the [ AMS ] dial to select the menu, and press the [ AMS ] dial to enter.
lL
lL
2. The test is switched on or off alternately each time the
lL
[ AMS ] dial is pressed.
3. To return to the previous step, rotate the [ AMS ] dial to select the desired item, and press the [ AMS ] dial
lL
lL
to enter.
Test Mode Command List
The contents of test mode are as follows.
Note: Wrong operation in the test mode causes a trouble, thus requiring extreme care.
LINE command (1X): Use mainly for a manufacturing line.
No. Name Description Remarks
05 DSP MON1 XUGF, XPCK, C2PO outputted from IC509 (CD DSP) Not used for the servicing 06 DSP MON2 MNT0, MNT1, MNT2, MNT3 outputted from IC509 (CD DSP) Not used for the servicing 07 DSP MON3 RFCK, XPCK, XROF, GTOP outputted from IC509 (CD DSP) Electrical measurement,
CD CLV jitter measurement
STANDARD command (1X): Use when the servo is applied by manual operation.
No. Name Description Remarks
12 LD ON/OFF The laser diode is turned on or off On or off are switched alternately 13 SPIN ON/OFF T he spindle motor is rota ted with the regulated voltage On or off are switched alternately 14 FSRV ON/OFF The focus servo is turned on or off On or off are switched alternately 15 TSRV ON/OFF The tracking servo is turned on or off On or off are switched alternately 16 CLV ON/OFF The spindle SLV servo is turned on or off On or off are switched alternately
17 SSRV ON/OFF The sled servo is turned on or off On or off are switched alternately
18 ALL SRV ON All servos are turned on 19 ALL SRV OFF All ser vos are turned off Stop command in the test mode
Focus and tracking servos must be already turned on
Focus, tracking and spindle servos must be already turned on
13
SCD-XB770
Ver 1.1 2001.07
FOCUS command (2X): Focus related. (All servos must be already turned on (except command 21))
No. Name Description Remarks
21 FSRCH ON/OFF The continuous vertical motion of the optical pick-up lens is turned on or Avoid a long-time use
22 F-BIAS UP Increase focus bias Focus bias value 23 F-BIAS DOWN Decrease focus bias Focus bias value 24 ADJ FCSBIAS The focus bias is adjusted automatically
25 FGAIN UP/DW The focus servo gain is switched between normal and down Normal or down are switched alternately 26 FJMP UP/DWN Focus jump is executed Valid only for DL
27 FOCUS AGC The focus servo gain is adjusted automatically 28 DISP FBdata The focus bias adjusted value is displayed Hexadecimal display 9 bit data
Note: On or off and up or down are switched alternately
OFFSET (PI, FE, TE) command (3X): Adjusts the offset of PI, FE and TE signals.
No. Name Description Remarks
31 PI/FE OFSET Adjusts the offset of PI, FE and TE signals TE offset adjustment is executed for the CD
32 CTRL PI LVL Not used for the servicing
off
Both + and - directions are searched to search for best jitter point
UP: layer 0t1, DOWN: layer 1t0
This adjustment must be executed after 61 DISC DETECT only
TRACKING command (4X): Tracking servo related.
No. Name Description Remarks
41 TGAIN NM/UP The tracking servo gain is switched between normal and up Normal or up are switched alternately 42 ADJ TRANS Not used for the servicing 43 ADJ TRK RF Not used for the servicing 44 ADJ TRK DSP The traverse AGC and E-F balance adjustment is performed 45 TRACKING AGC The tracking servo gain is adjusted automatically
SEARCH command (5X): Track search related. (Nos. 51 through 53 are not used for the servicing.)
No. Name Description Remarks
51 1-TRCK JUMP One-track jump is performed 52 M-TRCK MOVE M-track movement is performed 53 FINE SEARCH Fine search is performed
DISC DETECT command (6X): Disc type check related.
No. Name Description Remarks
61 DISC DETECT Disc type check is executed Refer to how to apply servo by manual
62 SET DISC CD Enter disc type CD setting CD forced setting 63 SET DISC SL Enter disc type SL setting SL forced setting 64 SET DISC DD Enter disc type DD setting DD forced setting 65 SET DISC HH Enter disc type HYBRID HD setting HD forced setting 66 SET DISC HC Enter disc type HYBRID CD setting CD forced setting 6F Download Not used for the servicing
Display after judgment operation (page 15) DSKMOD CD: Judged as CD DSKMOD SL: Judged as SACD (SL) DSKMOD DL: Judged as SACD (DL) DSKMOD HLHD: Judged as HYBRID HD DSKMOD CDRW: Judged as CD-RW
14
SCD-XB770
Ver 1.1 2001.07
TOOLS command (8X): Performs aging, reads adjusting parameters, etc.
No. Name Description Remarks
81 VERSION Firmware version is displayed Example: Ver 1.00 82 DISC AGING Not used for the servicing 83 TRAY AGING Tray open-close aging is performed Number of times and eccentricity
Not used for the servicing measurement Not used in this set. 84 JITTER Jitter measurement Not used for the servicing 85 ERROR RATE Error rate measurement Error rate
86 ALL SRV ON Apply all servos Use when applying the servo by
87 DISP ADJ DT Automatic adjusting parameters are displayed Refer to auto check items (page 18)
8A FL TEST Not used for the servicing 8d Set Up Init Set to factory shipping mode Set when repair completed
8E BASS CHECK Not used for the servicing 8F 49 TRCK JIT Used for jitter measurement of 49th music on SACD-S4 For manufacturing line
CD: C1, C2 Not used for the servicing
SACD: PO, PI1, PI2
Full automatic measurement including PI, FE and TE offset adjustment is manual operation
performed Refer to STANDARD command (page 13)
The offset adjusted values are scroll-displayed in order of RF, VC, FE and
TE Refer to auto check items (page 18)
PLAY, REPEAT, DIGIFIL, etc. are initialized Refer to 4-6. SHIPPING MODE (page 22)
Not used for the servicing
QA command (9X)
No. Name Description Remarks
91 F.JMP CHECK Not used for the servicing 92 SET CHECK The set is checked Refer to 4-2. AUTO CHECK (page 18) 93 WATER MARK Not used for the servicing 94 SET AGING The set aging is performed Refer to 4-6. AGING MODE (page 22)
95 DISP ERROR The content of error recorded to the set is read and displayed Refer to Error Display list (page 23)
96 D-OUT OnOff Digital out of CD is turned on or off Not used in this set. 98 APDD JITTER Not used for the servicing 9C BU DENCHO The content of error recorded to the set is read, and then the S curve Refer to 4-7.WAVEFORMS CHECK
9D P-ON HOUR Approximate cumulative power supplying time is displayed In unit of 1 hour
9E RFD OUT RFD output is turned on or off Not used for the servicing
Repeat by the specified number of times or until an error occurred
(Error recording) Only one item is recorded
waveform, traverse waveform, and RF waveform can be checked (page 24)
successively
(Initialized by 8d command)
SACD jitter measuring mode
How to Apply Servo by Manual Operation
In analyzing failures of the set, the servo may be applied by manual operation. To apply servo in the test mode, use the following method.
1. After setting the test mode, rotate the [ AMS ] dial to select a command, and press the [ AMS ] dial to enter.
lL lL
2. 61 DISC DETECT (Disc type check)t86 ALL SRV ON (All servos on + auto adjustment)
3. If applying servo while checking the condition one by one, 61 DISC DETECT (Disc type check)t31 PI/FE OFSET (Offset automatic adjustment)t14 FSRV ON/OFF (Focus servo on)t16 CLV ON/OFF (CLV servo on)t44 ADJ TRK DSP (E-F balance adjustment)t15 TSRV ON/OFF (Tracking servo on)t17 SSRV ON/OFF (Sled servo on)t24 ADJ FCSBIAS (Fo­cus bias adjustment)t27 FOCUS AGC (Focus auto gain adjustment)t45 TRACKING AGC (Tracking auto gain adjustment).
Note: 1. On and off are alternately switched in the same command.
2. For a stop, select 19 ALL SRV OFF and press the [ AMS ] dial.
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Set Check
92. SET CHECK SET TEST START 10. TOTAL CHECK 120. MANUAL CHK
0. IC&FL CHECK ? 11. AUTO CHECK ?
1. TOTAL CHECK ? 12. MANUAL CHK ? 122. SPIN UP ?
2. F.JUMP CHECK ?
3.HYB CHECK ? TOTAL CHK END ?
4. DISP ERROR ? 125. 1/3 SEEK ?
END ?? 126. 1-M SEEK ?
13. DISP RSLT ? 123. PARAMETER ?
121. LOAD IN ?
124. READ TOC & PSP ?
127. ERR RATE ?
128. HENSHIN ?
129. SPIN DOWN ?
12A. LOAD OUT ?
MAN. CHK END?
Press the [ AMS ] dial when No.sssss sssss*1 is displayed, and a checking for that display will start or the lower layer will be selected. For the selection on the same layer, rotate the [ AMS ] dial. It is looped on the same layer, and when END? is displayed, press the [ AMS ] dial to return to the upper layer.
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*1 s denotes a displayed character.
Manual Check Method
In the 12. MANUAL CHK, individual checks (121. LOAD IN to 12A. LOAD OUT) are possible.
Example: If 124. READ TOC & PSP of 12. MANUAL CHECK is to be checked.
Setting Method:
1. After setting the test mode, rotate the [ AMS ] dial to select 92. SET CHECK and press the [ AMS ] dial to enter.
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2. When SET TEST STAR T is displayed, rotate the [ AMS ] dial clockwise by 2 clicks to select 1. TOTAL CHECK? and press the [ AMS ] dial to enter.
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3. When 10. TOTAL CHECK is displayed, rotate the [ AMS ] dial clockwise by 2 clicks to select 12. MANUAL CHK?" and press the [ AMS ] dial to enter.
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4. When 120. MANUAL CHK is displayed, rotate the [ AMS ] dial clockwise by 4 clicks to select 124. READ TOC & PSP? and press the [ AMS ] dial to enter.
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5. A checking will start automatically.
Note: In making a check, the disc must be loaded. Immediately when a check started, the tray is drawn into the set. Also, the tray can be opened/closed
even during the set check mode.
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4-1. IC AND FLUORESCENT DISPLAY TUBE CHECK
(SELF-DIAGNOSIS)
The communication between microcomputer and main ICs (self­diagnosis) and the fluorescent display tube all lit are checked.
Checking Method:
1. After setting the test mode, rotate the [ AMS ] dial to select 92. SET CHECK and press the [ AMS ] dial
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to enter.
2. When SET TEST START is displayed, rotate the
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[ AMS ] dial clockwise by 1 click to select 0. IC&FL
CHECK? and press the [ AMS ] dial to enter.
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3. A checking will start automatically, and 0. IC&FL CHECK will be displayed. (Checking time is about 3 seconds)
4. After IC communication check, all segments of fluorescent display tube will be lit. At this time, check visually for a skipped character.
5. At successful completion of check, 0. IC CHECK OK is displayed. In this case, no error exists in the IC interface. Pro­ceed to 4-2. AUTO CHECK.
Note: The check mentioned above tests the communication from micro-
computer to main ICs. Even if the check successfully finished, the IC to be checked is not always normal. Consider it for reference only.
6. In case of an IC communication error, the following display will be given during the checking. Possible causes of error are as listed below.
Error display Causes (typical example)
DVD DEC. ERROR 1. IC701 (SACD decoder) is faulty
DVD DRAM ERR 1. IC706 (D-RAM) is faulty
CD DSP ERROR 1. IC509 (CD DSP) is faulty
EEPROM ERROR 1. IC903 (EEPROM) is faulty
2. IC701 pin <znv (XRST) does not go “H”
IC901 pin ts (XDIS) does not go H
IC902 (expander) is faulty
3. 768fs (33.86688 MHz) is not present to IC701 pin <znm (XTAL)
IC811 (3-multiplying circuit) is faulty
Clock signal 256fs is not sent from
AUDIO board (CN702 pin 0)
CN701 pin 3 (GND) and pin 2
(+3.3V-D) are open or shorted
CN701, 702 and FFC connection is loose,
or FFC is disconnected
2. IC701 pin <znv (XRST) does not go “H”
IC901 pin ts (XDIS) does not go H
IC902 (expander) is faulty
3. Faulty communication line between IC701 and IC706
Data line, ad dress line, WE, etc.
4. D903 (1SS367) is faulty D+3.3V is not present to IC706
2. 768fs (33.86688 MHz) is not present to IC509 pin ua (XTAL) Same as cause 3 of DVD DEC. ERROR
3. IC509 pin 2 (XRST) does not go “H”
IC901 pin ts (XDIS) does not go H
IC902 (expander) is faulty
Error display Causes (typical example)
PRAWN DRAM ERR 1. IC808 (D-RAM) is faulty *1 2. IC801 (DSD decoder) is faulty
RF AMP ERROR 1. IC001 (RF AMP) is faulty
3. 768fs (33.86688 MHz) is not present to IC801 pin qa (MCKI) Same as cause 3 of DVD DEC. ERROR
4. IC801 pin 9 (XRST) does not go “H”
IC901 pin ts (XDIS) does not go H
IC902 (expander) is faulty
5. Faulty communication line between IC801 and IC808
Da ta line, address line, WE, etc.
6. D904 (1SS367) is faulty D+3.3V is not present to IC808
2. Loose connection between CN708 on MAIN board and CN005 on RF board, or FFC disconnection CN708 pin qj (CLK RF), pin qh (DATA RF) and pin qg (SDEN) must be checked
*1 DSD decoder is also checked.
Causes Common to Each IC:
1. Faulty communication line between microcomputer and each IC. Disconnected patterns, floating series resistors, bridge, etc.
2. Faulty IC supply voltage. Particularly, check D+3.3V voltage. (D+5V for display mi­crocomputer)
3. Faulty microcomputer communication port to each IC
Note: In case of more than two errors, the error display is switched over
one after another, thus making the reading difficult. In such a case, press again the [ AMS ] dial to make a recheck for error reading.
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4-2. AUTO CHECK (AUTOMATIC VARIOUS MEASUREMENTS)
The auto check is performed to check if the set operates stably. Though a checking is made automatically, whether the measured data are within the specification is evaluated by the service person. The auto check results in NG immediately, if the check itself causes an error.
Setting Method of Auto Check Mode:
1. After setting the test mode, rotate the [ AMS ] dial to select 92. SET CHECK and press the [ AMS ] dial to enter.
2. When SET TEST STAR T is displayed, rotate the [ AMS ] dial clockwise by 2 clicks to select 1. TOTAL CHECK? and press the [ AMS ] dial to enter.
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3. When 10. TOTAL CHECK is displayed, rotate the [ AMS ] dial clockwise by 1 click to select 11. AUT O CHECK?”.
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CD and SACD (SL) Disc Operation Check
Checking method:
1. Press the [ OPEN/CLOSE] button to open the tray and place the test disc *1. The [ OPEN/CLOSE] key is disabled immediately
A A
after setting the test mode. Be sure to initialize the table.
2. Press the [ AMS ] dial, and the following check will be performed automatically.
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3. Finally, the test disc will be ejected and the auto check will finish.
4. AUTO CHECK OK will be displayed at successful completion of auto check.
5. Recheck is enabled if the [ AMS ] dial is pressed in step 4. (Also, use this operation when exchanging the test disc)
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6. In case of an error during the checking, the check is interrupted automatically and the error is displayed. (Error display example: DISC DETECT ERROR) After er ror display, CONT?STOP (J/S) is displayed. In this case, if the [ AMS ] dial is pressed, the check where the error occurred is skipped and you can proceed to the next check. Also, x if button is pressed, the check finishes and AUTO CHECK NG is displayed when even one NG item exists.
*1 Use PATD-012 or YEDS-18 for CD, and SATD-S5 or SATD-S4 for SACD (SL). Using another disc will result in a checking failure.
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Check Items:
Items Description Remarks
LOAD IN TIME (msec) Time until a disc is chucked from the state where loading tray is out Loading in switch HtL SPIN UP TIME (msec) Time from spindle kick to PLL lock Lock signal LtH RF/VC/FE/TE (ORG) Offset values before RF (PI), VC, FE, TE signal offset adjustment At offset 0
RF/VC/FE/TE (ADJ) Offset values after RF (PI), VC, FE, TE signal offset adjustment VC offset is not adjusted
PI/TRVS PP (ORG/ADJ) PI (ORG): PI value at disc type check (decimal data) PI level conversion
PIOR/CCR/TRCR PIOR: Set value of PI offset coarse adjusting register Registers in RF amplifier
FOCUS/TRK GAIN Auto gain adjusted values of focus and tracking servos Reference: 30h
FBIAS/TRVSC/TRCR2/CFR FBIAS: Focus bias set value (9 bit data in hex notation) TRCR2 adjusts the E-F gain
MIN JITTER AT F.BIAS Minimum jitter value in focus bias adjustment (CD only) Correlative with RF jitter READ TOC TIME (msec) Time required for TOC reading PSP AMPLITUDE SACD only 1/3 SEEK TIME Seek time between 1/3LBA and 2/3LBA of the disc LBA: Absolute address
F) A VE/MIN/MAX (msec): 1/3LBAt2/3LBA average/minimum/maximum R) AVE/MIN/MAX (msec): 2/3LBAt1/3LBA average/minimum/maximum
1-MAX TRK SEEK Seek time between most inward track (0LBA) and most outward track max
F) A VE/MIN/MAX (msec): most inwardtmost outward average/minimum/maximum R) AVE/MIN/MAX (msec): most outwartmost inward average/minimum/maximum
ERROR RATE Error rate measurement Measure for 10 sec at track No.5
RF (8 bit data in hex notation) RF: A0h VC, FE, TE (9 bit data in hex notation) VC, FE, TE: 00h
(Less than ORG value if offset correction is normal) (Measurement only) RF (8 bit data in hex notation) Also, for SACD, the TE offset is VC, FE, TE (9 bit data in hex notation) not measured and adjusted
PI (ADJ): PI value after PI offset adjustment Read value × 12.9mV
(read value at microcomputer A/D) (decimal data)
TRVS PP (ORG):Traverse level before level correction (AGC) Traverse level conversion
(decimal data) Read value × 12.9mV
TRVS PP (ADJ):Traverse level after level correction (AGC)
(decimal data) 12.9mV=3.3V ÷ 256 (8 bit)
CCR: Set value of FE offset coarse adjusting register TRCR: Set value of TE offset coarse adjusting register
(8 bit data in hex notation)
TRVSC: Traverse center value (9 bit data in hex notation) balance and used for CD only TRCR2: Set value of E-F balance coarse adjusting register (Fixed to 06 for SACD) CFR: Set value of traverse level adjusting register TRCR2 and CFR are registers in
RF amplifier
LBA
For CD: Average value/Maximum value of C1 and C2 For the SACD, 160 block data For SACD: Average value/Maximum value of PO, PI1 and PI2 except the data under tracking jump
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Items Description Remarks
HENSHIN RYOU Eccentricity measurement For the CD only are measured
SPIN DOWN TIME (msec) Time from spindle brake application to rotation stop FG (IC901 pin ys) monitoring LOAD OUT TIME (msec) Time until loading table comes out from the state where a disc is in chuck Loading out switch HtL
Measured Data Reading Method:
To judge the check result, the measured data must be read.
1. When AUTO CHECK OK is displayed, rotate the [ AMS ] dial clockwise by 2 clicks.
2. When 13. DISP RSLT? is displayed, press the [ AMS ] dial to enter.
3. PLEASE WAIT will be displayed and in several seconds, “13. DISP RESULT will be displayed.
4. Rotate the [ AMS ] dial clockwise by 1 click, and the LOAD IN will be displayed.
5. Press the [ AMS ] dial to enter. The LOAD IN TIME measured value will be displayed.
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6. Compare the displayed value with the following specified value.
7. Hence, repeat step 4 to 6 (display is variable) and read the measured data respectively.
8. Compare the measured data with the specified value to check for NG item.
Note: Blank display of measured value means that an error occurred during the checking or no measurement was taken place.
Specified V alue:
(1) SACD (Use the test disc SATD-S5 or SATD-S4)
Note: Measured values in check items are typical ones.
LOAD IN TIME (msec) : 2110 1300 to 2000 SPIN UP TIME (msec) : 1993 1800 to 2450 msec PF/VC/FE/TE AVRG (ORG) : 8E, E, 1E2, 12 RF: 91-C8, VC: 1F8-8, FE: 1D1-30, TE: 198-75 PF/VC/FE/TE AVRG (ADJ) : 9D, E, 6, 2 RF: 91-AF, VC : 1F8-8, FE: 1EE-12, TE: 1EA-16 PI/TRVS PP (ORG/ADJ) : 80, 129, 100, 90 PI ORG: 80-100, PI ADJ: 80-95, TRVS ORG: 53-118, TRVS ADJ: 45-132 PIOR/CCR/TRCR : 1B, 31, 1F No specified value given FOCUS/TRK GAIN : 29, 35 FOCUS: 1E-35, TRK: F-40 FBIAS/TRVSC/TRCR2 : 2FE, 14, 6 F.BIAS: 1E2-3A, TRVSC: 1E4-4D TRCR2: no specified value given READ TOC TIME (msec) : 1098 1350 to 2050 PSP AMPLITUDE : 2387 1450 to 2150 1/3 SEEK TIME : 2268581, 625121, <_>, 1446850
F) AVE/MIN/MAX (msec) : 926, 909, 938 AVE: 1150 msec or less, MAX: 1300 msec or less R) AVE/MIN/MAX (msec) : 919, 901, 937 AVE: 1150 msec or less, MAX: 1300 msec or less
1/MAX SEEK TIME : 2268581, 0, <_>, 2268581 F) AVE/MIN/MAX (msec) : 1846, 1819, 1879 AVE: 2250 msec or less, MAX: 2500 msec or less R) AVE/MIN/MAX (msec) : 1837, 1829, 1849 AVE: 2250 msec or less, MAX: 2500 msec or less
ERROR RATE PO MAX/AVE FRAME : 0, 0 MAX: 0, AVE: 0 PO MAX/AVE NUM : 480, 28 MAX: 1500 or less, AVE: 200 or less PI1 MAX/AVE FRAME : 0, 0 MAX: 0, AVE: 0 PI1 MAX/AVE NUM : 320, 11 MAX: 1500 or less, AVE: 200 or less PI2 MAX/AVE FRAME : 0, 0 MAX: 0, AVE: 0 PI2 MAX/AVE NUM : 41, 0 MAX: 1500 or less, AVE: 200 or less
SPIN DOWN TIME (msec) : 1312 1300 to 2100 LOAD OUT TIME (msec) : 1934 1300 to 1850
Eccentricity (actual eccentric amount) of disc, disc pulley total Read by dividing by 10
0 may be displayed if eccentricity is small (10um or less) (Due to measurement reason)
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Check items Specified value
* Items are not used in the
SATD-S5.
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(2) CD (Use the test disc PATD-012 or YEDS-18)
Note: Measured values in check items are typical ones.
Check items Specified value
LOAD IN TIME (msec) : 2108 1300 to 2000 SPIN UP TIME (msec) : 1354 1300 to 1600 RF/VC/FE/TE AVRG (ORG) : 8E, D, 1E3, 12 RF: 91-C8, VC: 1F8-8, FE: 1D1-30, TE: 198-75 RF/VC/FE/TE AVRG (ADJ) : 9C, C, 6, 2 RF: 91-AF, VC: 1F8-8, FE: 1EE-12, TE: 1EA-16 PI/TRVS PP(ORG/ADJ) : 84, 128, 100, 90 PI ORG: 80-100, PI ADJ: 80-95, TRVS ORG: 55-155, TRVS-ADJ: 50-120 PIOR/CCR/TRCR : 1B, 11, 1E No specified value given FOCUS/TRK GAIN : 33, 28 FOCUS: 24-53, TRK: 1A-4E FBIAS/TRVSC/TRCR2 : 10, 0, 5 F.BIAS: 1D9-2A, TRVSC: 1E2-19 TRCR2: no specified value given MIN JITTER AT F.BIAS : 147 700 or less READ TOC TIME (msec) : 827 1150 to 3150 1/3 SEEK TIME : 311660, 103786, <_>, 207722
F) AVE/MIN/MAX (msec) : 794, 699, 908 AVE: 1200 msec or less, MAX: 1300 msec or less R) AVE/MIN/MAX (msec) : 824, 661, 920 AVE: 1200 msec or less, MAX: 1300 msec or less
1/MAX SEEK TIME : 311660, 0, <_>, 311660 F) AVE/MIN/MAX (msec) : 1991, 1964, 2015 AVE: 2200 msec or less, MAX: 2500 msec or less R) AVE/MIN/MAX (msec) : 1711, 1701, 1726 AVE: 2200 msec or less, MAX: 2500 msec or less
ERROR RATE C1 MAX/AVE : 3, 0 C1 MAX: 15 or less C2 MAX/AVE : 0, 0 C2 MAX: 0
HENSHIN RYOU (1/10um) : 168 800 or less (100 um or less) SPIN DOWN TIME (msec) : 1342 450 to 1500 LOAD OUT TIME (msec) : 1962 1300 to 1850
Note: RF, VC, FE, TE, FBIAS and TRVSC measured values are hexadecimal data with positive and negative signs. When comparing the measured
value with the specified value, refer to the following.
Hexadecimal (hex) display 9 bit data
FF 011111111 (+255) FE 011111110 (+254)
01 000000001 (+1) 00 000000000 (0) 1FF 111111111 (-1)
101 100000001 (-255) 100 100000000 (-256)
MAX
(+) Side
0
(-) Side
MIN
Hexadecimal (hex) display 8 bit data
7F 01111111 (+127) 7E 01111110 (+126)
02 00000010 (+2) 01 00000001 (+1) 00 00000000 (0) FF 11111111 (-1) FE 11111110 (-2)
81 10000001 (-127) 80 10000000 (-128)
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4-3. SACD (DL) DISC OPERATION CHECK
( Perform as necessary) The stability of the set can be checked by repeating the combined operation of focus jump (layer 0t1, layer 1t0) and access to the most inward trackymost outward track by the set number of times or until an error occurs using the dual layer HD disc, DL disc. A set of operation including an access to the layer 0 (most inward track)tlayer 0 (most outward track)t focus jump (layer 0t1)tlayer 1 (most outward track)t layer 1 (most inward track)tfocus jump (layer 1t0) is carried out repeatedly by the set number of times.
Checking Method:
1. After setting the test mode, rotate the [ AMS ] dial to select 92. SET CHECK and press the [ AMS ] dial
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to enter.
2. When SET TEST START is displayed, rotate the
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[ AMS ] dial clockwise by 3 clicks to display “2.
F.JMP CHECK?”.
3. Press the [ OPEN/CLOSE] button to open the tray, and place
A
the DL disc.
4. Press the [ AMS ] dial to load the tray into the set.
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5. NOW SET UP will be displayed and the DL disc setup will start. (It takes about ten and several seconds to set up the disc as two layers of layer 0 and layer 1 are adjusted)
6. At the completion of setup, F.JUMP TIMES will be dis­played.
7. Rotate the [ AMS ] dial clockwise by 5 clicks to display
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5. (If 5 sets of operation is executed *1)
8. Press the [ AMS ] dial, and the check will start.
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9. Immediately when the check finished, “UP MAX
sssstUP A VE sssstDW MAX sssstDW AVE sssstF.JMP OK
[TIMES]
will be displayed repeatedly. (s denotes the measured value in msec) UP MAX: Max time required for layer 0 (most inward
track)tlayer 0 (most outward track)tfocus jump (layer 0t1)
UP AVE: Average time required for layer 0 (most inward
track)tlayer 0 (most outward track)tfocus jump (layer 0t1)
DW MAX:Max time required for layer 1 (most outward
track)tlayer 1 (most inward track)tfocus jump (layer 1t0)
DW AVE: Average time required for layer 1 (most outward
track)tlayer 1 (most inward track)tfocus jump
(layer 1t0) Specified value: 7000 msec or less (if no error occurred) If an error occurred due to defocusing during the checking, refer to the following error list. (page 22)
10. Press the [ OPEN/CLOSE] button, and the disc will be ejected and the check will finish. Also, if the [ AMS ] dial is
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pressed in step 9, 2. F.JUMP CHK OK will be displayed. Then, if the [ AMS ] dial is again pressed, 2. F.JMP
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CHECK will be displayed instantaneously and a recheck is enabled from the step 5 in the same manner.
*1 Setting arbitrary number of times instead of 5 allows the check-
ing to be repeated by the set number of times. Also, setting 0 (zero) allows the aging check to be repeated until an error oc­curs.
4-4. HYBRID DISC OPERATION CHECK
( Perform as necessary) This test checks the auto adjustment time required when the disc is switched between HD (SACD) layer and CD layer. This test is conducted to check the stability in switching from CD to SACD, or SACD to CD in the HYBRID disc. A set of operation including CD layer stop statetHD layer auto adjustmenttHD layer TOC readingtHD layer stop statetCD layer auto adjustmenttCD layer TOC readingtCD layer stop state is repeated by the set number of times.
Checking Method:
1. After setting the test mode, rotate the select 92. SET CHECK and press the [ AMS ] dial
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[ AMS ] dial to
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to enter.
2. When SET TEST START is displayed, rotate the
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[ AMS ] dial clockwise by 4 clicks to display 3.
HYB CHECK?”.
3. Press the [ OPEN/CLOSE] button to open the tray, and place
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the HYBRID disc.
4. Press the [ AMS ] dial to load the tray into the set.
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5. NOW SET UP will be displayed and the HYBRID disc setup will start. (It takes about several seconds to set up the disc *1)
6. At the completion of setup, CHANGE TIMES? will be dis­played.
7. Rotate the [ AMS ] dial clockwise by 5 clicks to display
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5 (if 5 sets of operation is executed *2)
8. Press the [ AMS ] dial, and START will be displayed
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and the check will start. During the check, the following will be displayed. CD>HD display: Time from switching from CD layer to
HD layer up to start of play is measured.
HD>CD display: Time from switching from HD layer to
CD layer up to start of play is measured.
9. Immediately when the check finished, “CD MAX
sssstCD A VE sssstHD MAX sssstHD AVE ssss will be displayed
repeatedly. (s denotes the measured value in msec) Specified value: 10000 msec or less (if no error occurred) If an error occurred due to defocusing during the checking, refer to the following error list. (page 22)
[ OPEN/CLOSE] button, and the disc will be ejected
10. Press the and the check will finish. Also, if the [ AMS ] dial is
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pressed in step 9, HYB CHK OK will be displayed. Then, if
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the [ AMS ] dial is again pressed, HYBRID CHECK will be displayed instantaneously and a recheck is enabled from the step 5 in the same manner.
*1 NOW SET UP display may continue for several minutes
and an error may be displayed depending on the discs. In this case, press the [ AMS ] dial again.
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*2 Setting arbitrary number of times instead of 5 allows the check-
ing to be repeated by the set number of times. Also, setting 0 (zero) allows the aging check to be repeated until an error oc­curs
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4-5 . AGING MODE
( Perform as necessary) The aging can be performed to the set in the test mode. The aging can be continued by the set number of times or until an error oc­curs. In the aging, the following operations are repeated. Ta ble turntDisc chuckingtDisc detectt Servo ontAuto adjustmenttTOC readingtPlay of first track for 5 secondtPlay of last track for 5 secondtPlay of first track for 5 secondtDisc unchucking
Setting Method:
1. After setting the test mode, rotate the [ AMS ] dial to select 94. SET AGING and press the [ AMS ] dial
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to enter.
2. When “AGING TIMES is displayed, rotate the [ AMS ]
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dial to set the number of aging times. (For the number of times, every 10 times can be set. Setting 0 (zero) eliminates the count limitation where the aging is repeated until an error occurs)
Note: Do not perform unmanned overnight aging.
3. Press the [ AMS ] dial, and AGING START will be
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displayed instantaneously, then DISC IN & JOG ON will be displayed and the tray will come out automatically.
4. Place a disc (CD or the SACD SL disc) on the tray, and press
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the [ AMS ] dial to start the aging.
5. At the completion of aging by the set number of times, the tray will come out automatically and the check will stop. Typical time required for aging About 1 hour/100 times AGING SUCCESS! will be displayed if no error occurred in the aging, or the error will be displayed if an error occurred. (Refer to the following error list)
4-6. SHIPPING MODE
The repaired set must be initialized, and for this purpose the set should be set to the shipping mode.
Setting Method:
1. After setting the test mode, rotate the select 8d Set Up Init and press the [ AMS ] dial to
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[ AMS ] dial to
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enter.
2. 8D 000000000 00 will be displayed, and if the scroll starts in the left direction, the set initialization has completed
3. Press the [POWER] button to turn the power off.
Note: Take care not to leave the test disc in the set.
The following setups are established in the SHIPPING MODE
1. Initialization of EEPROM (IC903)
PLAY MODE ALL DISCS, CONTINUE
COMMAND MODE CD1
LAYER SELECTSACD
M/2CH SELECT MULTI
DIGITAL FILTER STD
2ch SPK MODE 2ch DIRECT
Mch SPK MODEMch DIRECT
Resetting the accumulated hours meter.
2. Chucking at the DISC1 position.
Error List
An error occurring during the check in the aging mode of the test mode is displayed automatically (scroll display) immediately when the error occurred.
< How to view the error history >
1. Select 95 DISP ERROR with the [ AMS ] key, and press the [ AMS ] key once.
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2. The error that has occurred lastly in the set and the signal status (H = 1, L = 0) at that time are displayed on the FL display by scrolling. (Types of the errors and the signal status that can be checked, are the same as the error display of the aging mode.)
3. Press the [ AMS ] key once again to show the error history repeatedly.
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4. When the error history is displayed with scrolling once, the mode returns to the normal test mode.
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Error display is as follows. Error name, Disc type, IN SW (Sled in switch state), FOK (FOK signal state), LOCK (LOCK signal state), From (Displayed if effective), To (Displayed if effective), Aging times (Displayed in aging mode only) Display example ACCESS MOVE ERROR : SACDSL : IN SW 1 FOK 0 LOCK 0 : FROM 205663 : TO 2461601 : TIMES 5 (Error name) (Disc type) (Sled in switch, FOK, LOCK signal state) (Relative address) (Relative address)(Aging times)
Display Items List:
Display items Description Remarks
Error name tRefer to the error display list IN SW Sled in switch state when an error occurred
FOK FOK signal state when an error occurred
LOCK LOCK signal state when an error occurred.
From Displayed if effective in the error item Disc PSN (relative address) is
To Displayed if effective in the error item Disc PSN (relative address) is
0: switch off Not limit in 1: switch on Limit in (Optical pick-up is at most inward track)
FOK signal Is focus on? 0: FOK L (Focus off), 1: FOK H (Focus on)
LOCK signal Is PLL lock? 0: LOCK L Not lock, 1: LOCK H Lock
tRefer to the error display list displayed in case of access error
tRefer to the error display list displayed in case of access error
Error Display List:
Error display Error description Main causes of errors
DISC DETECT ERROR Disc type error Optical pick-up, RF amplifier or CD
OFFSET ADJUST ERROR Offset adjustment error Optical pick-up, RF amplifier or CD
FCS SRV ON ERROR Focus servo error From:1 means focus search failed
CLV SRV ON ERROR CLV servo error Defocusing E-F BALANCE ERROR E-F balance adjustment error Defocusing TRK SRV ON ERROR Tracking servo error Tracking servo on time out
SLD SRV ON ERROR Sled servo error Sled servo on time out FOCUS BIAS ERROR Focus bias adjustment failed Defocusing during adjustment
FCS AGC ERROR Error at focus gain automatic adjustment Defocusing during adjustment
TRK AGC ERROR Error at tracking gain automatic adjustment Defocusing during adjustment
ACCESS 1TJ ERROR Access Error at one-track jump Access failed
ACCESS FINE ERROR Access Error at fine search Access failed
ACCESS MOVE ERROR Access Error at M-track MOVE Access failed
WHILE PLAYING ERROR Error during disc playing Defocusing
FCS JUMP ERROR Time out error at focus jump Defocusing
MIRR measured time is displayed in From: DSP IC is faulty
DSP IC is faulty
An error code is displayed in From: From:2 means defocusing
Optical pick-up, RF amplifier or CD DSP IC is faulty
An error code is displayed in From: Description of display
An error code is displayed in From From:1 means retry failed 3 times From:2 means abnormal value Optical pick-up, RF amplifier or CD DSP IC is faulty
Optical pick-up, RF amplifier or CD DSP IC is faulty
Optical pick-up, RF amplifier or CD DSP IC is faulty
Effective addresses (PSN) are displayed in From: and To: Defocusing at access, etc
Effective addresses (PSN) are displayed in From: and To: Defocusing at access, etc
Effective addresses (PSN) are displayed in From: and To: Defocusing at access, etc
Focusing retry failed
Focusing retry failed
System errors are as follows.
Note: This error is not saved in the set.
Display Description
Toc Error * Error during the time from auto adjustment to TOC reading, Different type of disc (Such as a DVD disc), Disc is dirty Toc Error **** Illegal SACD (Such as a pirated version) Read Error Music data read error (Error during disc playing)
23
SCD-XB770
e
Ver 1.1 2001.07
4-7. WAVEFORMS CHECK
This set performs automatic adjustment for each disc, and there­fore the set need not be adjusted when parts are replaced, but it requires checking following the description in this section, 4-1. IC AND FLUORESCENT DISPLAY TUBE CHECK and 4-2. AUTO CHECK. For the check, the test mode is used. Wrong setting causes a trouble, thus requiring extreme care.
BU Electrical Adjustment Mode
The BU electrical adjustment mode is used to check the S curve waveform, traverse waveform and RF waveform. After a disc is
lL
placed on the tray, each time the
[ AMS ] dial is pressed,
the check mode is switched in order for S curve waveformt traverse waveformtRF waveform.
Setting Method:
After setting the test mode, rotate the [ AMS ] dial to select 9C BU DENCHO and press the [ AMS ] dial to enter.
lL
lL
BU MEASURE will be displayed if the BU electrical adjust­ment mode becomes active.
S Curve Check
Connection:
oscilloscop
MAIN board
TP506 (FE)
TP504 (AVC)
+ –
Checking Method:
1. After setting the BU electrical adjustment, place the test disc (PATD-012 or SATD-S5 or SATD-S4) on the tray and close
[ AMS ] dial.
the tray, then press the
lL
2. At the completion of disc type check, CD DETECT will be displayed (for PATD-012 or YEDS-18).
Note: For the SA TD-S5 or SATD-S4, SACD DETECT is displayed.
3. Press again the [ AMS ] dial, and the S curve waveform
l
L
check mode will become active and S-CURVE MODE will be displayed.
4. Connect an oscilloscope to the TP506 (FE) and TP504 (AVC) on the MAIN board.
5. Check that the level A and B of wavef orm on the oscilloscope satisfy the specification.
Traverse Check
Connection:
oscilloscope
MAIN board
TP513 (TE)
TP504 (AVC)
+
Checking Method:
1. Under the condition of S curve waveform check mode in step 5, press the [ AMS ] dial.
lL
2. After WAIT is displayed, the traverse waveform check mode will become active and TRAVERSE MODE will be dis­played.
3. Connect an oscilloscope to the TP513 (TE) and TP504 (AVC) on the MAIN board.
4. Check that the level A and B of waveform on the oscillo­scope satisfy the specification.
Specified Value:
Disc AB
SATD-S5 or SATD-S4 PATD-012 or YEDS-18
Traverse waveform
VC
0.9 to 1.4 Vp-p
- 0.1 to +0.1V
Center fo the waveform
A
B
Checking and Connecting Location : See page 25.
Specified Value:
Disc AB
SATD-S5 or SATD-S4 PATD-012 or YEDS-18
S curve waveform
VC
Note: For easier observation of this waveform, extend the sweep time
and raise the brightness.
0.7 to 1.7 Vp-p - 0.1 to +0.1V
A
B
Checking and Connecting Location : See page 25.
24
SCD-XB770
V
e
Ver 1.1 2001.07
RF Level Check
Connection:
oscilloscope
MAIN board
TP703 (RFAC)
TP704 (AGND)
+ –
Checking Method:
1. Under the condition of traverse waveform check mode in step 4, press the [ AMS ] dial.
lL
2. Connect an oscilloscope to the TP703 (RFAC) and TP704 (AGND) on the MAIN board.
3. After “WAIT” is displayed, the RF wa veform check mode will become active and “PLAY 5th TRACK” will be displayed, and the 5th music on the disc will be played.
4. Check that the RF waveform is clear and the level satisfies the specification.
5. Press the [ AMS ] dial, and “OUTSIDE TRACK” will be
lL
displayed and the outward track of the disc will be played.
6. Check that the RF waveform is clear and the level satisfies the specification.
7. Press the [ AMS ] dial, and “INSIDE TRACK” will be
lL
displayed and the inward track of the disc will be played.
8. Check that the RF waveform is clear and the level satisfies the specification.
9. After checking, press the [ AMS ] dial, and the test is
lL
over when “BU MEASURE” is displayed.
10. Press the [ OPEN/CLOSE] button to open the tray, and re-
A
move the test disc.
11. Using each type of disc, repeat from step 1 of S curve wave­form check up to step 10 of RF level check.
12. When the check is over, press the
[POWER] button to turn the
power off.
Note: Take care not to leave the test disc in the set.
CLV Jitter Check (CD only)
Connection:
oscilloscop
MAIN board
TP516 (RFCK) TP517(WFCK)
TP808 (DG)
(CH1)
(CH2)
+
+
Checking Method:
1. Set the test mode.
2. Connect an oscilloscope to the TP516 (RFCK) (CH1), TP517 (WFCK) (CH2) and TP808 (DG) (GND) on the MAIN board.
3. Place the test disc PATD-012 or YEDS-18 on the tray, and close the tray.
4. Rotate the [ AMS ] dial to select “61 DISC DETECT”, and press the [ AMS ] dial to enter. Then, the disc type
lL
lL
will be judged.
5. Check that the disc type has been judged. (For the P ATD-012, “DSKMOD CD” will be displayed. Refer to the test mode, DISC DETECT command (page 14))
6. Rotate the [ AMS ] dial to select “86 ALL SRV ON”, and press the [ AMS ] dial. Then, the disc will rotate,
lL
lL
automatic adjustment will be carried out, and all servos will be turned on.
7. Rotate the [ AMS ] dial to select “07 DSP MON3”, and press the [ AMS ] dial to enter.
l
lL
L
8. Check that the value A of waveform on the oscilloscope sat­isfies the specification.
9. Rotate the [ AMS ] dial to select “19 ALL SRV OFF”, and press the [ AMS ] dial. Then, all servos will be
lL
lL
turned off and the disc rotation will stop.
[ OPEN/CLOSE] button to open the tray, and re-
10. Press the
A
move the test disc.
11. Press the [POWER] button to turn the power off.
Note: Take care not to leave the test disc in the set.
Checking and Connecting Location:
– MAIN Board (Component Side) –
TP704
TP506
(FE)
TP513
(TE)
TP504
(AVC)
IC509
(AGND)
TP516
(RFCK)
TP517
(WFCK)
TP703
(RFAC)
IC701
IC703
TP808
(DG)
IC801
Specified V alue:
Disc A
SATD-S5 or SATD-S4 PATD-012 or YEDS-18
RF signal waveform
Note: Clear RF waveform refers to the wav eform where shapes should
be distinctively observed in the center.
0.9 to 1.4 Vp-p
VOLT/DIV: 200 m TIME/DIV: 500 ns
A
Specified Value:
Disc A
PATD-012 or YEDS-18
CLV jitter waveform
35 µsec or less
A
2525
SCD-XB770
Ver 1.1 2001.07
SECTION 5

DIAGRAMS

5-1. BLOCK DIAGRAM – RF/SERVO Section –

DETECTOR
OPTICAL PICK-UP
BLOCK
(KHM-230AAA)
LASER DIODE
(FOR CD)
LASER DIODE
(FOR SACD)
MODULE
CIRCUIT B+
CD LD
CD PD
DVD LD
DVD PD
VMOD
RF
A B C D
E
F
G
H
SUMMING AMP
SUMMING AMP
VC
(+2.5V)
AUTOMATIC POWER
CONTROL (FOR CD)
AUTOMATIC POWER
CONTROL (FOR SACD)
IC004 (1/4)
IC004 (2/4)
Q003
Q001
B+ SWITCH
Q002, 005
D
CBA
A B C D
A +5V
1
63
3 4 5 6
18
17
12
11
10
9
16 15 14 13
22
24
21
23
DVDRFP
RFSIN
A2 B2 C2 D2
CD E
CD F
A
B
C
D
CD A CD B CD C CD D
CDLD
CDPD
DVDLD
DVDPD
MUX ATT
GCA,
EQ
GCA
MUX
DUAL
APC
ATOP
61
ATON
62
COMPARATOR MUX
VC
+ –
GCA
L. P. F.
DETECTOR
A
+
C
+
B
+
D
+
59
60
PHASE
AIP
INPUT
BIAS,
AIN
AGC
+
CLAMP&
ENVELOPE
LEVEL DAC
GCA
SACD/CD RF AMP,
FOCUS/TRACKING ERROR AMP
PROGRAMMABLE
DIFFERENTIATOR
IC001
EQ FILTER
+ –
L. P. F.
+ –
+ +
55
OFFSET
CANCEL
OFFSET
CANCEL
OFFSET
CANCEL
BOTTOM
ENVELOPE
DIP
DIN
FULL WAVE
RECTIFER
AGC
CHARGE PUMP
SERIAL
REGISTER
BUFFER
BOTTOM
FNP
535254
FNN
AGCO
SEL
SUB GCA
L. P. F.
L. P. F.
AGCO
PORT
GCA
MUX
INPUT
PEAK/
HOLD
RFAC
SDATA
SCLK SDEN
MEVO
MIN
MIRR
LDON
57
RFAC
1
(Page 27)
• SIGNAL PATH
: SACD PLAY
: CD PLAY
TE
39
SDATA, SCLK, SDEN
A+3.3V
D+5V
FE
PI
47 46 48 42MNTR
40
38
32
31
27
26
SDATA
SCLK
SDEN
PI ERROR AMP
IC004 (3/4)
PI
FE
TE
FE/PI
FE
PIFETE
AVC
(+1.65V)
DRVC
(+2.5V)
AVC BUFFER
IC004 (4/4)
DRVC BUFFER
IC503
TE, FE
LDON
VMOD
2
3
4
5
(Page 28)
(Page 28)
(Page 27)
(Page 28)
2AXIS DEVICE FOCUS/
TRACKING
COIL
FCS+ FCS–
TRK+ TRK–
M2
(SLED)
M3
(SPINDLE)
M151
(LOADING)
40 41 39 43
FOCUS/TRACKING COIL DRIVER,
SLED MOTOR DRIVER
IC502
12 5 11 6
14 2 13 3
MM
MM
MM
17 24 18 23
8 9
6 5
FOCUS COIL
DRIVE
TRACKING COIL
DRIVE
SLED MOTOR
DRIVE
SPINDLE MOTOR
DRIVE
LOADING MOTOR
DRIVE
STBY1
9
STBY2
20
15
16 17
SPINDLE/LOADING MOTOR DRIVE
IC512
24
23
BUFFER
BUFFER
MUTE2
MUTE1
13
2
21 22
MUTE 2D
SP ON
MUTE LOAD
LOAD OUT
LOAD IN
SPDA
FJMP2
FJMP1
FFDR
33
FRDR
34
TFDR
31
TRDR
32
SFDR
29
SRDR
30
DIGITAL SERVO
PROCESSOR
IC509 (1/2)
PWM GENERATOR
FOCUS/TRACKING/SLED
FE
TE
SE
RFDC
A/D
CONVERTER
FOCUS
TRACKING/SLED
SERVO DSP
SSTP
26
D+3.3V
DFCT, FOK
DETECTOR
SERVO
INTERFACE
SERVO AUTO
SEQUENCER
TO CPU INTERFACE
S1
(LIMIT)
FOK
MIRR
DFCT
COUT SCLK
FOK, MIRR,
FOK
22
MIRR
20 21
COUT
19
SCLK
8
MUTE 2D, SP ON, MUTE LOAD
COUT, SCLK
LIM SW
SPDA, FJMP1/2
SPIN
LOAD IN/OUT
10
11
6
7
8
9
(Page 28)
(Page 28)
(Page 27)
(Page 27)
(Page 28)
(Page 28)
2626

5-2. BLOCK DIAGRAM – SERVO Section –

SCD-XB770
Ver 1.1 2001.07
1
(Page 26)
9
(Page 26)
4
(Page 26)
8
(Page 26)
12
(Page 28)
13
(Page 28)
14
(Page 28)
RFAC
SPIN
LDON
SPDA, FJMP1/2
D0 – D7
A0 – A2
XHRD, XHWR
DVC
(+1.65V)
50
49 48
CPU
IC901 (1/3)
LDON
51
DATA BUS
ADDRESS BUS
CENTER VOLTAGE
GENERATOR
IC703 (2/2)
DIGITAL SIGNAL
PROCESSOR
IC509 (2/2)
RFAC
ASYMMETRY
CORRECTOR
ASYI ASYO
FCS JMP 1
FCS JMP 2
7 8
FJMP1
FJMP2
A+3.3V
FILTER
53 55 52 54 12
FILI
PCO
FILO
CLTV
XPCK
DIGITAL PLL
TO SERVO AUTO
SEQUENCER
DIGITAL CLV
PROCESSOR
LOCK
MDP
24
25 4 6 5 7 15 79 80 76 77 10 11 13
75
LOCK CD
SPDA
APDO
43 44 64 58 85 84 12 22 23
SPDA
APDO
CPU INTERFACE
DATA
SENS
XLAT
CLOK
26 37 27 9 34 33 35 71
LAT CD
DATA CD
CLOK CD
JIT
GFS DVD
JIT
INTEGRATOR
IC703 (1/2)
DEMODULATOR
PROCESSOR
SBSO
SCOR
SCOR
SENS CD
XRD
XWR
XHRD
XHWR
XCS
EFM
SUBCODE
SQSO
EXCK
SUBQ
XCS DVD
INIT0 DVD
XINT0
XINT1
SQCK
WFCK
RFCK
XQCK
A0 – A7 D0 – D7
INIT1 DVD
89 – 96 14 – 21
INTERNAL BUS
EMPH
GFS
68
GFS CD
C4M
32K
RAM
ERROR
CORRECTOR
117
DATA BUS
ADDRESS BUS
RFIN
D+3.3V
6916
XTSL
CLOCK
GENERATOR
D/A
DIGITAL
INTERFACE
MUTE
3
ASSYMMETRY
DASYO
ASF1
111
113 114 115
FILTER
RF
ASF2
XHRD XHWR XCS
XINT0
XINT1
DIGITAL
OUT
DASYI
XTAO
XTAI
PCMD
LRCK C2PO
WDCK
DOUT
MD2
DOCTRL
PLL
D0 – D7
A0 – A7
5, 7, 9 – 14 172 – 176, 1, 2, 4
XRD
17
XWR
18
XCS
19
XINT0
20
XINT1
21
XWAIT
16
107
GFS
109
APEO
72 71
66
BCK
67 65 14 17
64
63
XRST
2
3
DEMODULATOR
CONTROLLER
AUTHENTICATION
MUTE CD
FFM
CPU
INTERFACE,
DMA
XTL2
XTAL
169167
XRST CD
SPINDLE MOTOR DRIVE
IC708 (2/2)
ANALOG
MIXER
BUFFER
IC708 (1/2)
XTL1
170
2727
MDIN1
138
MDSOUT
142
MDPOUT
144
CLVS
140
SPO
135
MDB0 – MDB7
66 – 69, 71,
73 – 75
2 – 5, 7 – 10
MDIN2
SPINDLE
CONRTOL
MAIN DATA ECC & EDC
DVD-ROM CD-ROM
MDB8, MDB9,
MDBA – MDBF
96, 97, 99, 101, 102, 104 – 106
41 – 44, 46 – 49
D-RAM
IC706
WFCK
SCOR
SBSO
EXCK
147148150151137 153 146 155 163 158 160 164
WFCK
SCOR
SBIN
EXCK
XRCI
GSCOR
C2PO
LRCK
CD DSP INTERFACE
SYNC
CONTROL
DESCRAMBLE
DMA CONTROLLER
(PRIORITY RESOLVE & SEQUENCER)
MA0 – MA9
79, 80, 82 – 87,
89, 91
21 – 24, 27 – 32
A0 – A9I/O8 – I/O15I/O0 – I/O7
XRST CD, MUTE CD
BCLK
MDAT
SUBCODE
DEINTERLEAVE & ECC
MA10/MNT1
XMOE
XCAS
XRAS
XMWR
3334
171835
OE
WE
RAS
LCAS
UCAS
MDAT
BCLK LRCK
XRST DVD
XRST
INTERFACE
MA11/MNT2
WPK
SACD DECODER
CD ESP
DAC
DLRC
DDAT
DBCK
162
157159939294767895
WAVE SHAPER
Q302
IC701
DMA FIFO
ATAPI
REGISTER
ATAPI
PACKET FIFO
OPTICAL
TRANSCEIVER
IC309
XRST CD, MUTE CD, XRST DVD
HDB0 – HDB7
HDB8
HDB9
HDBA – HDBF
HOST INTERFACE
SIGNAL PATH
: SACD PLAY
: CD PLAY (ANALOG OUT)
: CD PLAY (DIGITAL OUT)
768FS (33.8688MHz)
MDAT, BCLK, LRCK
44, 41, 39, 35,
26 29
31, 34, 37,
HA0 – HA2
HDRQ
46
REDY
51
HINT
54
HCS0
62
HCS1
63
XHRD
49
XHWR
48
XHAC
53
XHRS
23
DIGITAL (CD) OUT OPTICAL
J303
DIGITAL (CD)
OUT COAXIAL
SD0 – SD7
32, 30, 27, 24
40, 43, 45
59, 56, 60
XSAK
XSHD XDCK XSAQ
RFAC
SDEF
XSAK, XSHD, XDCK, XSAQ
WPK
XTAL
15
(Page 28)
16
(Page 28)
17
(Page 29)
18
(Page 28)
19
(Page 28)
20
(Page 28)
21
(Page 28)
22
(Page 28)
23
(Page 28)
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