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Writing Part Check
Load tray with DVD ±R/RW disc.
Run and write with writing tool.
Does the blink of LED1,LED2 occurs during writing? YES
NO
Do the IC302 pin 58,59 output toggle signals during writing? YES
NO
� Check the connection between IC302 pin 58,59 and LED. � Check and replace the LED1,LED2.
Check and replace the IC302.
Does writing finish without any error? YES Is the written file read normally? YES
NO
NO
Eject tray.
Go to �LD 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 of IC202 pin 130.
Check and replace IC107,IC202.
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