Sony SCD-XB790 Service Manual page 13

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TRACKING command (4X): Tracking servo related.
No. Name
41 TGAIN NM/UP
44 ADJ TRK DSP
45 TRACKING AGC
SEARCH command (5X): Track search related. (Nos. 51 through 53 are not used for the servicing.)
No. Name
51 1-TRCK JUMP
52 FINE SEARCH
53 M-TRCK MOVE
DISC DETECT command (6X): Disc type check related.
No. Name
61 DISC DETECT
62 CD SETTING
63 SL SETTING
64 DL SETTING
6F Download
LASER command (7X): Laser of optical pick-up related.
No. Name
7A ADDTIME CD
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L 13942296513
7B ADDTIME HD
7C FJUMP TEST
TOOLS command (8X): Performs aging, reads adjusting parameters, etc.
No. Name
81 VERSION
83 TRAY AGING
87 DISP ADJ DT
8A FL CHECK
8D SETUP MODE
QA command (9X)
No. Name
91 FJUMP CHECK
92 SET CHECK
93 WATER MARK
94 SET AGING
95 FJMP CHK BU
9C BU DENCHO
9D PLAY&RFD ON
9E RFD ON/OFF
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IC command (AX)
No. Name
.
A0 IC SELF CHK
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Description
The tracking servo gain is switched between normal and up
The traverse AGC and E-F balance adjustment is performed
The tracking servo gain is adjusted automatically
Description
One-track jump is performed
Fine search is performed
M-track movement is performed
Description
Disc type check is executed
Display after judgment
DSKMOD CD: Judged as CD
DSKMOD SL: Judged as SACD (SL)
DSKMOD DL: Judged as SACD (DL)
DSKMOD HYB: Judged as HYBRID
Enter disc type CD setting
Enter disc type SL setting
Enter disc type DL setting
Description
Cumulative light emission time of the laser for CD is displayed
(Initialized by 8D command)
Cumulative light emission time of the laser for SACD is displayed
(Initialized by 8D command)
Description
Firmware version is displayed
Tray open-close aging is performed
Automatic adjusting parameters are displayed via RS-232C
Display of fluorescent indicator tube and keys are checked
Set to factory shipping mode
PLAY MODE, etc. are initialized
Description
The focus jump is checked
The set is checked
The set aging is performed
Repeat by the specified number of times or until an error occurred
The focus jump is checked (for jig)
The S curve waveform, traverse waveform, and RF waveform can be
checked successively
SACD playback, RFD output
SACD jitter measuring mode
RFD output is turned on or off
SACD jitter measuring mode
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Description
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Each IC and its communication are checked
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SCD-XB790
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Remarks
Normal or up are switched alternately
Remarks
Remarks
Refer to how to apply servo by manual
operation (See page 14)
CD forced setting
SL forced setting
DL forced setting
Not used for the servicing
Remarks
0 5 8 2 9 9 4 2 8
Not used for the servicing
Remarks
Example: Ver 1.00
Not used for the servicing
Not used for the servicing
Set when repair completed
Refer to 4-5. SHIPPING MODE (See page 17)
Remarks
Not used for the servicing
Refer to 4-3. SET CHECK (See page 15)
Not used for the servicing
Not used for the servicing
Not used for the servicing
Refer to 4-6.WAVEFORMS CHECK
(See page 17)
Not used for the servicing
m
Not used for the servicing
Remarks
Normal or up are switched alternately
9 9
9 9
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