LG GSA-4167B - Manual (Page 75)

79
No. Error Code Contents of fail Fail Analysis Block Diagram
SSB Byte8,9
1 28xx LP Adjust NG. 1) Check Pickup FFC Connection. No.01
2) Check solder of IC101circumference.
(pin#6, 10, 12, L150, L151)
3) Check solder of IC102.
4) Exchange Pickup(LDD, Front Monitor).
5) Exchange IC101(AFE).
6) Exchange IC301(MPU & DSP).
2 48xx High Frequency Adjust NG. 1) Check Pickup FFC Connection. No.02
2) Exchange Pickup (LDD part).
3) Exchange IC301(DSP).
3 5Exx NRZi Skew Adjust NG. 1) Check Pickup FFC Connection No.02
2) Exchange Pickup (LDD part).
3) Exchange IC301(MPU & DSP).
4 4C0x to 4C4x Data Slice Adjust NG. 1) Check solder of IC101circumference. No.03
(pin# 79, L150, L151)
2) Exchange IC101(AFE).
3) Exchange IC301(MPU & DSP).
5 4C5x to 4C7x EQ Boost Adjust NG. 1) Check solder of IC101circumference.
(pin# 79, L150, L151)
2) Exchange IC101(AFE).
3) Exchange IC301(MPU & DSP).
6 4C80 RAW Slice Level Adjust NG. 1) Check solder of IC101circumference.
(pin# 79, L150, L151)
2) Exchange IC101(AFE).
3) Exchange IC301(MPU & DSP).
7 4CAx EQ Auto Frequency Adjust NG. 1) Check solder of IC101circumference.
(pin# 79, L150, L151)
2) Exchange IC101(AFE).
3) Exchange IC301(MPU & DSP).
Detail Error Code & Fail Analysis
1. Laser Power Initial Adjust
(Exchange
low/high byte)
Byte8: xxh
Byte9: 28h