Sony SCD-C333ES - Super Audio Cd Changer, Service Manual

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TOOLS command (8X): Performs aging, reads adjusting parameters, etc.
No. Name Description Remarks
81 VERSION Firmware version is displayed Example: Ver 1.00
83 TRAY AGING Tray open-close aging is performed Number of times and eccentricity
Not used for the servicing measurement Not used in this set.
84 JITTER Jitter measurement Not used for the servicing
85 ERROR RATE Error rate measurement Error rate
CD: C1, C2 Not used for the servicing
SACD: PO, PI1, PI2
86 ALL SRV ON Apply all servos Use when applying the servo by
Full automatic measurement including PI, FE and TE offset adjustment is manual operation
performed Refer to STANDARD command (54 page)
87 DISP ADJ DT Automatic adjusting parameters are displayed Refer to auto check items (59 page)
The offset adjusted values are scroll-displayed in order of RF, VC, FE and
TE
Refer to auto check items (59 page)
8d Set Up Init Set to factory shipping mode Set when repair completed
PLAY, REPEAT, DIGIFIL, etc. are initialized Refer to 6-7. SHIPPING MODE (64 page)
8F 49 TRCK JIT Used for jitter measurement of 49th music on SACD-S4 For manufacturing line
Not used for the servicing
QA command (9X)
No. Name Description Remarks
92 SET CHECK The set is checked Refer to 6-2. AUTO CHECK (59 page)
94 SET AGING The set aging is performed Refer to 6-6. AGING MODE (64 page)
Repeat by the specified number of times or until an error occurred
95 DISPLAY ERROR The content of error recorded to the set is read and displayed
(Error recording) Only one item is recorded
96 D-OUT OnOff Digital out of CD is turned on or off Not used in this set.
98 APDO JITTER Not used for the servicing
9C BU DENCHO The content of error recorded to the set is read, and then the S curve Refer to 6-8.WAVEFORMS CHECK
waveform, traverse waveform, and RF waveform can be checked (66page)
successively
9D P-ON HOUR Approximate cumulative power supplying time is displayed In unit of 1 hour
(Initialized by 8d command)
9E RFD OUT RFD output is turned on or off Not used for the servicing
SACD jitter measuring mode
How to Apply Servo by Manual Operation
In analyzing failures of the set, the servo may be applied by manual operation. To apply servo in the test mode, use the following method.
1. After setting the test mode, rotate the
[ AMS ]
dial to select a command, and press the
[ AMS ]
dial to enter.
2. “61 DISC DETECT” (Disc type check) t “86 ALL SRV ON” (All servos on + auto adjustment)
3. If applying servo while checking the condition one by one, “61 DISC DETECT” (Disc type check) t “31 PI/FE OFSET” (Offset
automatic adjustment)
t
“14 FSRV ON/OFF” (Focus servo on)
t
“16 CLV ON/OFF” (CLV servo on)
t
“44 ADJ TRK DSP ” (E-F
balance adjustment) t “15 TSRV ON/OFF” (Tracking servo on) t “17 SSRV ON/OFF” (Sled servo on) t “24 ADJ FCSBIAS” (Fo-
cus bias adjustment) t “27 FOCUS AGC” (Focus auto gain adjustment) t “45 TRACKING AGC” (Tracking auto gain adjustment).
Note: 1. On and off are alternately switched in the same command.
2. For a stop, select “19 ALL SRV OFF” and press the
[ AMS ]
dial.
l L l L
l L