Sony CDX-5V661A Service Manual page 24

CDX-5V661/5V661A/5V661D/5V661S
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
• 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
24
L3
DISC Focus
CHECK Bias
ROM OK (Note 2)
RW NG (Note 2)
DTMS
L4 L5
E-F
Balance
OK (Note 3) OK (Note 4)
NG (Note 3) NG (Note 4)
L6 L7
Focus Tracking
Gain Gain
OK (Note 5)
NG (Note 5)
L8
Error Rate
OK (Note 6)
NG (Note 6)