83
Check Pick-up Read Power
was 1.1~1.3mW.
Recognition Fail Case 3 :
DVD Disc
Go to ‘LD CHECK’.
YES
YES
NO
Is there WBL
(IC121 pin63) Signal?
Recognition Fail Case 4 :
Blank DVD+R/RW
Replace IC201.
Replace IC121.
Check the connection
between IC121 and IC201.
YES
NO
NO
Is there WBL
(IC201 pin39) Signal?
YES
NO
Is there RF signal at IC121
Pin81?
YES
Replace the Pickup.
NO
Replace the IC121.
Is there
RF signal at IC121 Pin95(RFP)
and Pin96 (RFN)?
YES
NO
Replace the IC201.
Check again after the replace
IC121 It is OK?
OK
Содержание GSA-4166B
Страница 18: ...2 2 Pick up A Release 1 screw C and remove the Pick up Pick up Unit Pick up C Fig 2 2 18 ...
Страница 39: ...43 3 MD Assy For LightScribe Optical Encoder Unit OPU ID Movement Range L 21um ...
Страница 86: ...90 CD Laser Power Setup Result HC_CD Laser Power Setup Result DVD Laser Power Setup Result ...