LG GSA-4167B - Manual (Page 76)

80
No. Error Code Contents of fail Fail Analysis Block Diagram
SSB Byte21,22
1 42xx Circuit Offset Adjust NG. 1) Check Pickup FFC Connection. No.04
2) Check solder of IC101circumference .
(pin#,1,2,3 pin#87-90,
FE_Servo: R102, C405
TE_Servo: R101, C101
PE_Servo: R103, C406)
3) Exchange IC101(AFE).
4) Exchange Pickup.
5) Exchange IC301(MPU & DSP).
2 452x Focus Amp Adjust NG. 1) Check DVD-Dual Disc. No.05
(DVD-DL Only) 2) Check Pickup FCC Connection.
3) Check solder of IC101circumference.
(pin#1,2,3 pin#87-90,
FE_Servo: R102, C405)
4) Check Slider FPC Connection.
5) Exchange IC101(AFE).
6) Exchange IC601(Driver).
7) Exchange IC301(MPU & DSP).
3 450x Focus Amp Adjust NG. 1) Check Pickup FFC Connection. No.06
451x Total Amp Adjust NG. 2) Check solder of IC101circumference.
454x (pin#1,2,3 pin#87-90,
FE_Servo: R102, C405
PE_Servo: R103, C406)
3) Exchange Pickup.
4) Exchange IC101(AFE).
5) Exchange IC301(MPU & DSP)
.
4 458x Tracking Amp Adjust NG. 1) Check Pickup FFC Connection. No.07
2) Exchange Pickup.
3) Check solder of IC101circumference.
(pin#1,2,3 pin#87-90,
TE_Servo: R101, C101)
4) Exchange IC101(AFE).
5) Exchange IC301(MPU & DSP).
5 47xx Servo Loop Gain Adjust NG. 47XA: Disc Unmatch(Exchange Disc). No.08
1) Check Pickup FFC Connection.
2) Exchange Pickup (Signal Noisy).
3) Check solder of IC101circumference.
(pin#1,2,3 pin#87-90,
FE_Servo: R102, C405
TE_Servo: R101, C101)
4) Exchange IC101(AFE).
5) Exchange IC301(MPU & DSP).
6 49xx Unwritten Slice Level Adjust NG. 4906: RAM Disc NG (Exchange Disc). N0.09
(RAM Only) 1) Check solder of IC101circumference.
(pin#1,2,3 pin#87-90)
2) Exchange IC101(AFE).
3) Exchange IC301(MPU & DSP).
2. Adjusting Error during Disc Load Sequence (Lead in Error)