LG-GOLDSTAR DR4912PVL Repair Manual

Writing Part Check
Load tray with DVD ?R/RW disc.
Run and write with writing tool.
Does theDo the IC302
blink of LED1,LED2 occurspin 58,59 output toggleNONO
during writing?signals during writing?
YESYES
Y Check the connection between IC302
pin 58,59 and LED.
Y Check and replace the LED1,LED2.
Check and replace the IC302.
Does writing finishNO
without any error?
YES
Is the written fileNO
read normally?Eject tray.
YES
Go to OLD CHECK�.
YES
Is the re-written file
read normally?
NO
OK
Is SHAPCRE
input signal pulse?
(IC107 pin 56)
YES
Check and replace the connection ofCheck and replace IC107,IC202.
IC202 pin 130.
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