LG GSA-4120B Service Manual page 79

Super multi dvd drive
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No. Error Code
SSB Byte21,22
23
59xx
24
5Axx
25
5Cxx
26
5Dxx
Contents of fail
Spindle Offset Adjust NG.
ADIP read timing Adjust NG.
Signal Amp Error.
Focus Offset Adjust NG.
(DVD-R/RW,+R/RW in Data)
Fail Analysis
1) Check Spindle FFC Connection.
2) Check solder of IC601circumference.
(pin#12-14)
3) Exchange IC601(Driver).
4) Exchange Spindle Motor.
5) Check solder of IC301circumference.
6) Exchange IC301(DSP).
5A01: Check DVD+R Disc (Exchange Disc) . No.20
1) Check Pickup FFC Connection.
2) Exchange Pickup.
3) Exchange IC101(AFE).
4) Exchange IC301(DSP).
1) Check Pickup FFC Connection.
2) Exchange Pickup.
3) Check solder of IC701circumference.
(pin#4,5,6 pin#85-98,
PE_Servo: R335, C326)
4) Exchange IC101(AFE).
5) Exchange IC301(DSP).
1) Check Pickup FFC Connection.
2) Exchange Pickup.
3) Check solder of IC101circumference.
4) Exchange IC101.
5) Check solder of IC701circumference.
6) Exchange IC301.
7) Exchange Slider Moter.
Block Diagram
No.19
No.06
No.21
82

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