LG GSA-4167B - Manual (Page 77)

81
No. Error Code Contents of fail Fail Analysis Block Diagram
SSB Byte21,22
7 4Axx Focus Offset Adjust NG. 4A08: Disc Unmatch(Exchange Disc). No.10
(DVD-ROM,CD-R/RW) 1) Check Pickup FFC Connection.
2) Exchange Pickup.
3) Exchange IC301(MPU & DSP).
8 4A5x Focus Offset Adjust NG. 1) RAM Disc NG (Exchange RAM Disc) No.11
4A6x (RAM Only for PID) 2) Exchange Pickup
3) Exchange IC101(AFE)
4) Exchange IC301(MPU & DSP)
9 4A8x Focus Offset Adjust NG. 4A88: RAM Disc NG (Exchange RAM Disc). No.12
(RAM Only for Data) 1) Exchange Pickup.
2) Exchange IC101(AFE).
3) Exchange IC301(MPU & DSP)
10 4B0x Tilt Adjust NG(RAM Only). 1) Check Pickup FFC Connection. No.13
2) Exchange Pickup.
3) Check solder of IC101circumference.
(pin#6,7 R106, C106, R107, C107)
4) Exchange IC101(AFE).
5) Exchange IC301(MPU & DSP).
11 4B8x Tilt Adjust NG(DVD-/+ R/RW). 1) Check Pickup FFC Connection. No.14
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.
12 4CCx Data Slice Adjust NG. 1) Exchange Pickup. No.12
(RAM Only) 2) Exchange IC101(AFE).
3) Exchange IC301(MPU & DSP).
13 4Dxx Focus Deviation Adjust NG. 1) Check Pickup FFC Connection. No.15
2) Exchange Pickup.
3) Check solder of IC301circumference.
4) Exchange IC301(MPU & DSP).
14 182x Home Position Adjust NG. 1) Check FFC Connection. No.21
01xx (DVD-SL Only) 2) Check Slider FPC Connection.
3) Exchange Slider Motor.
4) Check solder of IC101circumference.
5) Exchange IC101(AFE)
.
15 52xx Focus Offset Adjust NG. 1) Check Pickup FFC Connection. No.16
(DVD-R/RW, +R/RW) 2) Exchange Pickup.
3) Check solder of IC101circumference.
(pin#1,2,3 pin#87-90,
TE_Servo: R101, C101)
4) Exchange IC101(AFE).