63
Writing Part Check.
Refer “Laser is abnormal”.
Load tray with CD-R/RW Disc.
Run the Writing Tool
(Easy CD Creator).
Run the Writing with Tool
(Easy CD Creator).
Go to “ALPC Logic Circuit Check”.
Go to “BETA Measurement
Circuit Check”.
NO
NO
NO
NO
YES
Does Writing finish without
any error?
Is the written file read
normally?
Is the re-written file readed
normally?
Is ROPCSH input signal
Pulse when CD-R writing?
(IC401 pin 49)
The blink
alternates between LED1 and
LED2 when Writing start (OPC
operation)?
Do the IC301(MICOM)
pin 11 and pin 12 output toggle
signals during Writing?
•
Check the connection between
IC301 pin 11, 12 and LED.
•
Check and replace the
LED803, 804.
YES
YES
YES
YES
YES
NO
NO
•
Check the communication lines
between IC301 and IC201.
•
Check and replace the IC301.
Eject Tray.
Check the connection of IC201 pin 187
and replace the IC201.
OK
