![background image](http://html.mh-extra.com/html/lg/gsa-4166b/gsa-4166b_service-manual_211208081.webp)
85
No audio output
•
Check and replace the IC121.
Audio Play : AUDMUTE ‘H’.
•
Check and replace the IC201.
•
Check the connection of L/R OUT.
Insert the audio Disc.
NO
AUDMUTE : ‘L’?
(IC121 Pin 33)
DSP ROUT,LOUT signals output?
(IC201 Pin 10, 11)
Do audio Line
signals output? (CN271
pin 51, 54)
NO
NO
YES
YES
Normal
Summary of Contents for GSA-4166B
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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 ...