5
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
[ AMS ]
controller once to switch the display to the error list.
[Example]
1.
SL
TG
High
Parameter type
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
[ AMS ]
controller to display
details.
Err: SL TG Prm
In this state, rotate again the
[ AMS ]
controller clockwise,
and the following will be displayed.
M:7C
E:3F
U:27
Limit value (U: Upper limit, L:
Lower limit)
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
[ AMS ]
controller clockwise,
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
X
button.
2. Manual Opr Menu
From the “Test Mode Menu”, rotate
[ AMS ]
controller
clockwise to select “2. Manual Opr”. Press
[ AMS ]
con-
troller, and then “TiltSledReset”
→
“Manual Opr” will be dis-
played, where you can select the following menu by rotating the
[ AMS ]
controller clockwise.
DISPLAY
Contents of Menu
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
[ AMS ]
controller
clockwise to select “1. Disc Type”. Press
[ AMS ]
controller,
and then “Disc Type” will be displayed, where you can select the
following menu by rotating the
[ AMS ]
controller and
also can check each menu item by pressing the
[ AMS ]
controller.
l
L
l
L
l
L
l
L
l
L
DISPLAY
Contents of Menu
1. Type Auto
Disc type is checked and the mode for
that disc is set.
2. SACD SL 12cm
3. SACD DL 12cm
4. CD 12cm
5. HYBR-L1 12cm
Disc type is set.
6. HYBR-L0 12cm
7. SACD SL 8cm
8. CD 8cm
9. HYBR-L1 8cm
0. RST Sld/Tlt
Tilt/Sled are reset.
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
[ AMS ]
controller
clockwise to select “2. Srv Control”.
Press
[ AMS ]
controller, and then “Srv Con”
→
“NO DISC”
→
“Srv Con 0000000” will be displayed, where you can select the
following menu by rotating the
[ AMS ]
controller clock-
wise.
Note:
Before “Servo Control”, “Disc Type Set” is needed.
DISPLAY
Contents of Menu
1. LD
2. SD
3. Focus
(1: ON, 0: OFF)
4. TRK
5. SLED
6. CLVA
7. F-Sch
Focus search
8. R S/T
Tilt/Sled are reset.
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
x
button is pressed. Until then, the commands
are issued successively, which could cause a trouble. Therefore,
normally do not use this menu.
• Checking method
Select each menu, and press the
[ AMS ]
controller, and
then the following will be displayed for checking.
“1. LD” 1
0
0
0
0
0
0
Focus Search ON
CLVA ON
Sled ON
Tracking ON
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
1. – 6. to check the servo.
l
L
l
L
l
L
l
L
l
L
l
L
l
L
l
L
l
L
l
L
l
L
Содержание SCD-XB940
Страница 5: ...5 SECTION 2 GENERAL This section is extracted from instruction manual ...
Страница 6: ...6 ...
Страница 7: ...7 ...
Страница 10: ...10 TRAY 1 Remove the tray Careful of the claw claw claw ...
Страница 12: ...12 12 SCD XB940 4 2 PRINTED WIRING BOARD TK Board See page 11 for Circuit Boards Location Page 14 Page 14 ...
Страница 17: ...17 17 SCD XB940 4 7 SCHEMATIC DIAGRAM MAIN Board 2 6 Page 16 Page 20 Page 21 Page 18 Page 21 ...
Страница 19: ...19 19 SCD XB940 4 9 SCHEMATIC DIAGRAM MAIN Board 4 6 See page 32 for Waveform Page 16 Page 18 Page 20 ...
Страница 20: ...20 20 SCD XB940 4 10 SCHEMATIC DIAGRAM MAIN Board 5 6 Page 16 Page 19 Page 17 Page 16 Page 16 Page 18 Page 21 ...
Страница 27: ...27 27 SCD XB940 4 19 SCHEMATIC DIAGRAM DISPLAY Board See page 32 for Waveforms Page 29 Page 16 ...
Страница 33: ...33 2 IC203 ea EXTAL DISPLAY Board 1 IC201 tk OSCO 4 1 Vp p 484 ns 3 8 Vp p 8 MHz ...