LG GSA-4167B Service Manual page 78

No. Error Code
SSB Byte21,22
16 54xx
17 55xx
18 56xx
19 57xx
20 58xx
21 59xx
82
Contents of fail
DPP Amp Adjust NG.
(CD Disc Only)
Lens Shift/ Tilt Adjust NG.
(CD Disc Only)
Focus Level Adjust NG.
HFPE Amp/Gain Adjust NG.
Lens Sensitivity Adjust NG.
Spindle Offset Adjust NG.
Fail Analysis
1) Check Pickup FFC Connection.
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).
1) Check Pickup FFC Connection.
2) Exchange Pickup.
3) Check solder of IC601 circumference.
4) Exchange IC601.
5) Check solder of IC301 circumference.
6) Exchange IC301
7) Excahange Slider Motor
1) Check Pickup FFC Connection.
2) Exchange Pickup.
3) Check solder of IC101circumference.
(pin#1,2,3 pin#87-90,
PE_Servo: R103, C406)
4) Exchange IC101(AFE).
5) Exchange IC301(MPU & DSP).
1) Check Pickup FFC Connection.
2) Exchange Pickup.
3) Check solder of IC101circumference.
(pin#6,7 R106, C106, R107, C107)
4) Exchange IC101(AFE).
5) Exchange IC301(MPU & DSP).
1) Check Pickup FFC Connection.
2) Exchange Pickup.
3) Check solder of IC301circumference.
4) Exchange IC301(MPU & DSP).
1) Check Spindle FFC Connection.
2) Check solder of IC601circumference.
(pin#12-14)
3) Exchange IC601(Driver).
4) Exchange Spindle Motor.
5) Check solder of IC301circumference.
6) Exchange IC301(MPU & DSP).
Block Diagram
No.07
No.14
No.06
No.13
No.17
No.18