Troubleshooting
6-2
Samsung Electronics
Key Operation or
Remote Control Error
Is the measurement of
power with in normal value?
End repairs
Check power and front connector
Check the circuity around the clock
Check the circuity around
IC601 reset
Check the soldering around the
IC601
Change IC701
NO
NO
Key operatious such
as STOP,PLAY,OPEN
are normal?
Check the circuity around the swith.
check the condition of commmunication
with Main Micom
(IC601,52,66,11,42,44,RRQ,SRQ,SCLK,
DATA-IN,DATA-OUT)
NO
YES
YES
Check the circuity
around IC601 reset?
Check the soldering
around IC601 good?
NO
YES
XT602 8MHz
oscillation is normal?
NO
YES
YES
STOP,PLAY,OPEN
Key operatious are
normal?
YES
Summary of Contents for DVD-VR320/XEF
Page 32: ...5 22 Disassembly and Reassembly Samsung Electronics MEMO ...
Page 68: ...Troubleshooting 6 36 Samsung Electronics MEMO ...
Page 76: ...Exploded View and Parts List 7 8 Samsung Electronics MEMO ...
Page 216: ...Circuit Operating Descriptions Samsung Electronics 14 17 Fig 14 12 IC601 Block Diagram ...
Page 249: ...Circuit Operating Descriptions 14 50 Samsung Electronics MEMO ...