Sony SCD-XB940 Service Manual page 55

Mechanism error code list (see page 7)
Service command list (see page 8)
DSP error code list (see page 8)
• Error Detection at the End of Adjustment
At the end of adjustment, whether the jitter is proper, and whether
the adjustment value is within allowable range are judged and dis-
played as a whole. If all parameters are within allowable range,
"Param Chk OK" will be displayed. If parameters out of the range
are detected, an error message such as "3 Errs occur" will be dis-
played (this case shows three errors occurred). Press
controller once to switch the display to the error list.
[Example]
1. SL
Disc type
Error No.
This case shows "the track gain exceeds the upper limit in single
layer disc adjustment". If you want to know more details, with the
[
above display, press again the l
details.
Err: SL TG Prm
[
In this state, rotate again the l
and the following will be displayed.
M:7C E:3F U:27
Value stored in EEPROM
Adjustment value
This case shows "adjustment value 7C exceeds the upper limit,
and EEPROM holds the last value 3F".
[
In this state, rotate again the
l
and the judge result message will be displayed as follows:
"TG Too High"
To return to the previous step, or to exit from the error display,
press the button.
X
2. Manual Opr Menu
From the "Test Mode Menu", rotate
clockwise to select "2. Manual Opr". Press
troller, and then "TiltSledReset"
played, where you can select the following menu by rotating the
[ AMS ]
l L controller clockwise.
DISPLAY
1. Disc Type Disc type check
2. Srv Control Servo control
3. T/L Jump Tracking jump
4. Manual Adj Manual adjustment
5. Auto Adj Auto adjustment
6. Mem Check Servo memory check
0. Disc Chk Mem Disc check
(1) 1. Disc Type
From the "Manual Opr" menu, rotate
clockwise to select "1. Disc Type". Press
and then "Disc Type" will be displayed, where you can select the
following menu by rotating the
also can check each menu item by pressing the
controller.
[ AMS
l L
TG High
Parameter type
AMS ]
L controller to display
AMS ]
L controller clockwise,
Limit value (U: Upper limit, L:
Lower limit)
AMS ]
controller clockwise,
L
[ AMS ]
l L controller
[ AMS ]
l L con-
"Manual Opr" will be dis-
Contents of Menu
[ AMS ]
l L controller
[ AMS ]
controller,
l L
[ AMS ]
controller and
l L
[ AMS ]
l L
DISPLAY
1. Type Auto
2. SACD SL 12cm
3. SACD DL 12cm
4. CD 12cm
5. HYBR-L1 12cm
6. HYBR-L0 12cm
]
7. SACD SL 8cm
8. CD 8cm
9. HYBR-L1 8cm
0. RST Sld/Tlt
Note: For the hybrid disc, the HL1 (CD layer) mode is activated, and if
HD layer is to be played, use 6. HYBR-L0. However, for hybrid
disc (8 cm), only the CD layer can be played.
(2) 2. Srv Control
From the "Manual Opr" menu, rotate
clockwise to select "2. Srv Control".
[ AMS ]
Press l L controller, and then "Srv Con"
"Srv Con 0000000" will be displayed, where you can select the
following menu by rotating the
wise.
Note: Before "Servo Control", "Disc Type Set" is needed.
DISPLAY
1. LD
2. SD
3. Focus
4. TRK
5. SLED
6. CLVA
7. F-Sch
8. R S/T
FF/FR move up and down the Tilt respectively, while Prev/Next
Index move the Sled inward and outward respectively. The opera-
tion stops when the button is pressed. Until then, the commands
x
are issued successively, which could cause a trouble. Therefore,
normally do not use this menu.
• Checking method
Select each menu, and press the
then the following will be displayed for checking.
"1. LD" 1 0 0
Focus ON
Spindle ON
LD ON
Execution command
The above case is that only the LD is turned on. Rotating
[ AMS ]
controller clockwise, turn on the servo in order of
l L
1. – 6. to check the servo.
Contents of Menu
Disc type is checked and the mode for
that disc is set.
Disc type is set.
Tilt/Sled are reset.
[ AMS ]
l L
"NO DISC"
[ AMS ]
l L controller clock-
Contents of Menu
(1: ON, 0: OFF)
Focus search
Tilt/Sled are reset.
[ AMS ]
controller, and
l L
0 0 0 0
Focus Search ON
CLVA ON
Sled ON
Tracking ON
controller
5