Sony CDX-5V661 Service Manual page 24

CDX-5V661/5V661A/5V661D/5V661S
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MODE LED Display
Green LED lights up: Normal
Red LED lights up: Abnormal (requiring repair)
L1 L2
DISC
ESP
CHECK
OFF × 1
OK (Note 1)
OFF × 2
NG (Note 1)
Note 1:OK/NG range of RFDC
050h - 090h is OK.
Other range is NG.
Note 2:OK/NG range of Focus Bias
1E9h, 08h, 27h is OK.
Other range is NG.
Note 3:OK/NG range of E-F Balance
000h - 060h and 1A0h - 1FFh are OK.
Other range is NG.
Note 4:OK/NG range of Focus Gain
18h - 60h is OK.
Other range is NG.
Note 5: OK/NG range of Tracking Gain
18h - 60h is OK.
Other range is NG.
Note 6:OK/NG range of Error Rate
0000 - 0050 is OK.
Other range is NG.
Conditions:
• All items are checked in the PLAY status only.
• Once the Error Rate becomes NG, the NG status is held unless the operation is stopped and the disc is changed.
• Data clear timing t Operation stop and disc change
TE
L 13942296513
• OK/NG decision is a standard which is made under the condition that PATD-012 (test disk) is used and that the temperature of inside of
the machine is 25°C.
Under different condition, the decision might be different.
Default display mode
Display mode No. Description
1
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24
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L3 L4
DISC Focus
CHECK Bias
ROM OK (Note 2)
RW NG (Note 2)
DTMS
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y
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8
L5 L6
E-F Focus
Balance Gain
OK (Note 3) OK (Note 4)
NG (Note 3) NG (Note 4)
Q Q
3 6 7 1 3
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2 9 9 4 2 8
L7
Tracking
Error Rate
Gain
OK (Note 5) OK (Note 6)
NG (Note 5) NG (Note 6)
1 5 0 5 8 2 9 9 4
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9 9
L8
2 8 9 9