Video Trouble Service Flow Chart - Daewoo DV-2500H Service Manual

3.3. Video Trouble Service Flow Chart

3.3.1. Composite Video Trouble Service Flow Chart
Composite Video Trouble
Check "SETUP" Item
Check Y1 Output Signal
Check C165/C166 Signal
Check R217/R224 Signal
Check Q27/Q28 Pin Signal
Check CN14 Pin6 Signal
Replace CN14 connection
DV-2500H Service Manual
NG
OK
NG
OK
NG
OK
NG
OK
NG
OK
OK
NG
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See "User Manual"
Replace Y1 Parts
Replace C165/C166
ReplaceR217/R224
Replace Q27/Q28 around parts
Check External Set