![background image](http://html.mh-extra.com/html/lg/gsa-4166b/gsa-4166b_service-manual_211208082.webp)
86
Change the Media.
NO
LS Media Recognition Fail:
LS CD, DVD
Check the Cleanness of Media.
Check 3pin FFC and Q501.
Check Encoder IC Power.
NO
YES
Check Enc Assy’s Alignment and
Grease on it.
Check the OFG Signal.
NO
YES
Go to ‘LD CHECK’.
Check P/U Read Power
4.5~5.5mW.
NO
YES
Replace IC501, 502.
Check the RXD/RFS_INT Signal
On Recognizing LS Media..
NO
YES
OK
Summary of Contents for GSA-4166B
Page 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 ...
Page 39: ...43 3 MD Assy For LightScribe Optical Encoder Unit OPU ID Movement Range L 21um ...
Page 86: ...90 CD Laser Power Setup Result HC_CD Laser Power Setup Result DVD Laser Power Setup Result ...