Troubleshooting
Samsung Electronics
12-5
VIDEO MISSING
IN PLAY MODE
Q111 is Envelop
signal normal?
IC301-3, 5Pin
is Y,C signal
normal?
Is Circuit
around IC101,
IC201 normal?
Is Video in/out
Terminal normal?
CHECK THE HEAD OF DRUM
REPAIR THE
IC101, IC201
CHANGE THE VIDEO
IN/OUT JACK
REPAIR THE IC301
END OF REPAIR
IC301-8, 14Pin
Is Y,C signal
normal?
Repair the IC501 (MICOM)
Is FPC VCR MAIN
to JACK board
normal?
CHANGE THE FFC
NO
NO
YES
NO
YES
YES
NO
YES
NO
YES
NO
YES
Summary of Contents for VP-D451
Page 10: ...Product Specification 2 4 Samsung Electronics MEMO ...
Page 30: ...3 20 Alignment and Adjustments Samsung Electronics MEMO ...
Page 46: ...4 16 Disassembly and Reassembly Samsung Electronics MEMO ...
Page 66: ...Exploded View and Parts List 5 20 Samsung Electronics MEMO ...
Page 84: ...Wiring Diagram 8 2 Samsung Electronics MEMO ...
Page 86: ...PCB Diagrams 9 2 Samsung Electronics 9 1 Main PCB COMPONENT SIDE ...
Page 87: ...PCB Diagrams Samsung Electronics 9 3 L708 Œ ˇ ˆ L704 L706 L717 L719 ...
Page 88: ...PCB Diagrams 9 4 Samsung Electronics CONDUCTOR SIDE Fuse 1 25A 32V ...
Page 94: ...PCB Diagrams 9 10 Samsung Electronics MEMO ...
Page 128: ...Troubleshooting 12 8 Samsung Electronics MEMO ...
Page 140: ...Circuit Operating Description 13 12 Samsung Electronics MEMO ...
Page 184: ...Reference Information 14 44 Samsung Electronics MEMO ...