
Troubleshooting
Samsung Electronics
12-7
NO AUDIO OUTPUT
IC601 is input normal?
IC601 is output normal?
Is Speak Connector,
FPC, Harness normal?
IC201 is AUDIO VCO
Normal?
REPAIR THE CONNECTOR,
FPC, HARNESS
CHECK AUDIO POWER
(L601, L602, L603, L604)
NO
CHECK THE CONSTANT AND
WRONG SOLDERING
CHECK THE CONSTANT AND
WRONG SOLDERING
CHECK THE CONSTANT,
WRONG SOLDERING
NO
YES
CHECK MIC CELL
AND HARNESS
YES
YES
YES
YES
NO
NO
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 ...