Zenith XBR411 Manual page 88

Writing Part Check
Load tray with DVD ±R/RW disc.
Press the "REC" key.
Do the IC302
pin 58,59 output toggle
signals during writing?
YES
Does writing finish
without any error?
YES
Is the written file
read normally?
YES
OK
Check and replace the connection of
IC201 pin 160.
NO
Check and replace the IC301.
NO
NO
Go to "LD CHECK".
YES
Is the re-written file
NO
input signal pulse?
Check and replace IC106,IC201.
3-111
Eject tray.
read normally?
NO
Is SHAPCRE
(IC106 pin 62)
YES