LG GSA-4040B Service Manual page 81

No. Error Code
SSB Byte21,22
15 4Cxx
16 4Dxx
17 182x
01xx
18 51xx
19 52xx
20 54xx
21 55xx
22 56xx
Contents of fail
Data Slice Adjust NG.
(RAM Only)
Focus Deviation Adjust NG.
Home Position Adjust NG.
(DVD-SL Only)
Focus Balance Adust NG.
(DVD-SL Only)
Focus Offset Adjust NG.
(DVD-R/RW, +R/RW)
DPP Amp Adjust NG.
(CD Disc Only)
Lens Shift/ Tilt Adjust NG.
(CD Disc Only)
Focus Level Adjust NG.
Fail Analysis
4C88/4C89: RAM Disc NG
(Excahnge RAM Disc).
2) Exchange Pickup.
3) Exchange IC101(AFE).
4) Exchange IC701(DSP).
1) Check Pickup FFC Connection.
2) Exchange Pickup.
3) Check solder of IC701circumference.
4) Exchange IC701(AFE).
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#3,4,5 pin#86-98,
FE_Servo: R701, R740, C703)
4) Exchange IC101(AFE).
5) Exchange IC701(DSP).
1) Check Pickup FFC Connection.
2) Exchange Pickup.
3) Check solder of IC101circumference.
(pin#3,4,5 pin#86-98,
TE_Servo: R706, R741, C708)
4) Exchange IC101.
1) Check Pickup FFC Connection.
2) Exchange Pickup.
3) Check solder of IC101circumference.
(pin#3,4,5 pin#86-98,
TE_Servo: R706, R741, C708)
4) Exchange IC101(AFE).
5) Exchange IC701(DSP).
1) Check Pickup FFC Connection.
2) Exchange Pickup.
3) Check solder of IC602 and IC603
circumference.
4) Exchange IC602 or IC603.
5) Check solder of IC701 circumference.
6) Exchange IC701.
1) Check Pickup FFC Connection.
2) Exchange Pickup.
3) Check solder of IC101circumference.
(pin#3,4,5 pin#86-98,
PE_Servo: R702, C704)
4) Exchange IC101(AFE).
5) Exchange IC701(DSP).
Block Diagram
No.14
No.17
No.23
No.07
No.18
No.08
No.16
No.07
83