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78
Is there Sled
control signal output?
(IC201 pin 68,69)
Sled operating is abnormal.
Replace the IC301.
Replace the IC121.
Replace the IC201.
Is DRVMUTE2 signal ‘H’?
(IC301 pin 35)
•
Check the R316, R317.
Check the connection of IC121
pin 32.
Is there
Sled drive voltage output ?
(CN302 pin 1,2,3,4)
Replace the Sled Motor.
YES
NO
NO
YES
YES
•
Check the Connection CN302.
NO
Is there
Sled drive voltage input?
(IC301 pin 29,30)
YES
NO
Is there
Sled drive voltage output?
(IC301 pin37,38,39,40)
YES
NO
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 ...