No Power Detected
(stand by LED OFF)
F1S01 is normal?
D1S05~07, ZD1S01~2
SHORT and OPEN
are normal?
Check feedback IC1S02
Change short circuited or
opened parts
Change fuse
Check 2'st Voltage
Replace Q1S01
NO
NO
Is there voltage at
Collector of
Q1S01
NO
YES
YES
YES
Operation of
Q1S01 is
normal?
NO
YES
Samsung Electronics
6-1
6. Troubleshooting
Summary of Contents for DVD-VR320/COM
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 ...