Troubleshooting Guide - LG GSA-5163D Service Manual

(01) Laser Power Adjust (using RD Power/WR Power/Erase Power)
MPU & DSP
IC301
Pin#106
pin#112
(02) High Frequency/NRZI skew Adjust
MPU & DSP
IC301
(03) Data Slice/Equalizer Boost/Raw Slice/ Equalizer Frequency Adjust
MPU & DSP
IC301
Pin#45
(04) Circuit Offset Adjust
MPU & DSP
IC301
(05) Focus Amp. Adjust for DVD-Dual
MPU & DSP
IC301

TROUBLESHOOTING GUIDE

Setting
FFC
#16
AFE
IC101
FFC
#10 #14
IC201
FFC
45-49
FFC
IC103
Setting
FE:R334,C325
#4
AFE
IC101
TE:R337,C328
#6
PE:R335,C326
#5
Setting
AFE
IC101
FE:R334,C325
#4
R346,C338
#40
Driver
IC601
Pickup
Front
LD
Monitor
Driver
Pickup
LD
Driver
Pin#76
AFE
IC101
C140,141
Pin#
Pickup
85-98
FFC
Pin#
Pickup
85-98
FFC
Focus:#34-35
Slider FPC
Slider, #6,8-10
Pin#65
DVD-Dual Disc
68