Sony SCD-XA9000ES - Es Super Audio Cd Player, Service Manual

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19
SCD-XA9000ES
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 (0X): Use mainly for a manufacturing line.
No. Name Description Remarks
00 RFAmp Read Each register set value of the IC001 (RF AMP) is displayed via RS-232C Not used for the servicing
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 The spindle motor is rotated 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
Focus and tracking servos must be already turned on
17 SSRV ON/OFF
The sled servo is turned on or off
On or off are switched alternately
Focus, tracking and spindle servos must be already turned on
18 ALL SRV ON All servos are turned on
19 ALL SRV OFF All servos are turned off Stop command in the test mode
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
off On or off are switched alternately
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
Both + and - directions are searched to search for best jitter point
25 FGAIN UP/DW The focus servo gain is switched between normal and down Normal or down are switched alternately
27 FOCUS AGC The focus servo gain is adjusted automatically
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
This adjustment must be executed after 61 DISC DETECT only
SECTION 4
TEST MODE
In this set, various checks are automatically performed by executing
the commands in the test mode.
Note: This set makes adjustment every optical pick-up and stores its result
in the EEPROM (IC903) on the MAIN board. Accordingly, if a
combination of optical pick-up and EEPROM is changed, be sure
to perform 4-3. SET CHECK. Also, perform 4-1. IC INTERFACE
CHECK, 4-2. DISPLAY CHECK, and 4-6. WAVEFORMS CHECK.
Disc for Test Mode
Various checks of this set require the following discs.
Model Type * 1 Category Application
MODEL
SATD-S5
12 cm disc
Adjusted value check,
(J-2501-215-A) SL
Reference disc
Operation check,
SATD-S4 Optical waveform check
(J-2501-184-A)
Not specified DL 12 cm disc Operation check
PATD-012
Adjusted value check,
(4-225-203-01)
CD
12 cm disc
Operation check,
YEDS-18 Reference disc
Optical waveform check
(3-702-101-01)
Not specified HYBRID 12 cm disc Operation check
*1 SL: Single Layer
DL: Dual Layer
Setting Method of Test Mode
Turn the
[POWER]
button on while pressing the
[ AMS ]
dial and the
[MENU]
button. Release the
[MENU]
button and the
[ AMS ]
dial in this order when “DIAG MODE” is displayed
on the fluorescent indicator tube.
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 “DIAG MODE”, operate as follows.
1. Rotate the
[ AMS ]
dial to select the menu, and press
the
[ AMS ]
dial to enter.
2. The test is switched on or off alternately each time the
[ 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
to enter.
l L
l L
l L
l L
l L
l L
l
L