SCD-XB940 (serv.man2) - Sony Audio Service Manual (repair manual). Page 7

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3

History clear

• How to clear all history data
For the items with “Clear History?” message, press 

[       AMS       ]

controller, and all emergency history data and all laser lighting
hours are cleared to 0.

• How to clear individual data
1

Emergency history clear

Press 

[DISPLAY MODE]

, 

[CLEAR]

 buttons on the remote com-

mander in this order.

2

Laser lighting hour clear

Press 

[SACD/CD]

, 

[CLEAR]

 buttons on the remote commander

in this order.

3

Setup clear

Press 

[REPEAT]

, 

[CLEAR]

 buttons on the remote commander in

this order.
Five backup data of 

[PLAY MODE]

, 

[CLEAR]

, 

[SACD/CD]

,

[TIME/TEXT]

, 

[DIGITAL FILTER]

 are cleared to the initial data.

5. Ver Info Menu
From the “Test Mode Menu”, rotate 

[       AMS       ]

 controller

clockwise to select “5. Ver Info”. Press

[       AMS       ]

 control-

ler, and “Version Info” message will be displayed. Rotating the

[       AMS       ]

 controller clockwise switches to the following dis-

play where the ROM version, date of creation, servo DSP version,
and checksum are displayed.
[Example]

V1.00

00/02/14

SrvDSP

1.000

RomCsum 711C

6. RF Jit Disp
From the “Test Mode Menu”, rotate 

[       AMS       ]

 controller

clockwise to select “6. RF Jit Disp”. Press 

[       AMS       ]

 control-

ler, and then “Set Disc” message will be displayed. Set a disc and
press 

[       AMS       ]

 controller, and “Sinup...” will be displayed,

then the jitter will be measured and displayed. To exit from this
mode, press the X button.
 <Jitter measurement and display example>

CD

22

2A 000000

Sector address

CLV status

Jitter value

 Disc type (auto check)

SL : Single layer disc
HC : Hybrid layer disc, CD layer
HD : Hybrid layer disc, SACD layer
DL : Dual layer disc
CD : CD disc
1

The disc type is checked automatically.

2

For a hybrid disc, rotating the 

[       AMS       ]

 controller can

switch the layer during jitter adjustment. Also, rotating the

[       AMS       ]

 controller can jump to inner track, middle track,

or outer track.However, the address is fixed. Music cannot be
searched. For a dual layer disc, a jump between layers is pos-
sible.
1. Play HD-HL0
2. Play CD-HL1
3. Jp Md1 Track
4. Jp Inn Track
5. Jp Out Track
6. Jp DL0 -> DL1
7. Jp DL1 -> DL0

3

Press A button to change the disc.

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7. PDM Mode Menu
This mode is not normally used.

8. CDM Adj Menu
This mode is not normally used.

9. Set Up Init Menu
From the “Test Mode Menu”, rotate 

[       AMS       ]

 controller

clockwise to select “7. Set Up Init”. Press 

[       AMS       ]

controller, and “Initialized” will be displayed, then “Reset? Y/N”
will be displayed. Press again 

[       AMS       ]

 controller, and

“Restart ...” will be displayed, and then the player will be reset
and restarted. (At the restart, the set exits from the Test mode.)

10. Sld Ship Pos Menu
Moving sled  the fuctory set up position.

Mechanism error code

Emergency

Category

Emergancy Name

 Code

Electrical

SSI ERR

10

DSP ERR

11

EEP ERR

12

EEP HOURS METER WRITE ERR

13

DSP BUSY TIME OUT

14

EEP CHECK SUM NG

15

DSP BUSY TIME OUT ESCAPE

16

Mechanism

TILT SLED RESET NG

20

TILT MOVE NG

21

TILT REQ POSI NG

22

SLED MOVE NG

23

SLED REQ POSI NG

24

Adjustment

ADJ TRK BAL NG

30

ADJ TRK GAIN

31

ADJ FCS BAL NG

32

ADJ FCS BIAS NG

33

ADJ FCS GAIN

34

ADJ TILT NG

35

ADJ EQ BOOST NG

36

ADJ GD NG

37

ADJ LAST JITTER NG

38

ADJ GAIN RANGE OVER

3F

Focus

FOCUS NG

F1

FOCUS JUMP COUNT OVER

41

Spindle

CLV LOCK NG

1F

SPDL BRAKE COUNT OVER

51

Sheek

SACD REQ ADR NG

60

CD REQ ADR NG

61

CD REQ INDEX NG

62

SACD SEEK COUNT OVER

63

CD SA SEARCH COUNT OVER

64

CD INDEX SEARCH COUNT OVER

65

Date

SACD INFO NG

70

CD INFO TIME OUT

71

Other

RECOVERY DISC CHECK NG

DF

RECOVERY COUNT OVER

81

DISC CHECK ERR

DF

DISC CHECK TIME OUT

83

INVALID CMD CODE

84

INVALID CMD

85

DUMMY JOB

86

NEXT MODE NONE

87

l         L

l         L

l         L

l         L

l         L

l         L

l         L