LG GSA-4167B Service Manual page 77

No. Error Code
SSB Byte21,22
7 4Axx
8 4A5x
4A6x
9 4A8x
10 4B0x
11 4B8x
12 4CCx
13 4Dxx
14 182x
01xx
15 52xx
Contents of fail
Focus Offset Adjust NG.
(DVD-ROM,CD-R/RW)
Focus Offset Adjust NG.
(RAM Only for PID)
Focus Offset Adjust NG.
(RAM Only for Data)
Tilt Adjust NG(RAM Only).
Tilt Adjust NG(DVD-/+ R/RW).
Data Slice Adjust NG.
(RAM Only)
Focus Deviation Adjust NG.
Home Position Adjust NG.
(DVD-SL Only)
Focus Offset Adjust NG.
(DVD-R/RW, +R/RW)
Fail Analysis
4A08: Disc Unmatch(Exchange Disc).
1) Check Pickup FFC Connection.
2) Exchange Pickup.
3) Exchange IC301(MPU & DSP).
1) RAM Disc NG (Exchange RAM Disc)
2) Exchange Pickup
3) Exchange IC101(AFE)
4) Exchange IC301(MPU & DSP)
4A88: RAM Disc NG (Exchange RAM Disc).
1) Exchange Pickup.
2) Exchange IC101(AFE).
3) 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 IC601 circumference.
4) Exchange IC601.
5) Check solder of IC301 circumference.
6) Exchange IC301
7) Exchange Slider Motor.
1) Exchange Pickup.
2) Exchange IC101(AFE).
3) Exchange IC301(MPU & DSP).
1) Check Pickup FFC Connection.
2) Exchange Pickup.
3) Check solder of IC301circumference.
4) Exchange IC301(MPU & DSP).
1) Check FFC Connection.
2) Check Slider FPC Connection.
3) Exchange Slider Motor.
4) Check solder of IC101circumference.
5) Exchange IC101(AFE).
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).
Block Diagram
No.10
No.11
No.12
No.13
No.14
No.12
No.15
No.21
No.16
81