Daewoo DW-Q73D2N-LS User Manual

46
TROUBLESHOOTING
3. VIDEO circuit
A. EE screen doesn't appear
EE MODE Picture NG
Is Video signal input into
JK101?
Is 5V supplied at IC102?
Is select signal input
at pin#10, 11 of IC102?
Check JK101, JK701 and RF101.
Check POWER 5V circuit.
Check IC601
pin #30,31.
NO
YES
YES
NO
NO
YES
Is Data, clock signal input
at pin #9, 10 of IC103?(RF)
YES
NO
Check
pin#10, 11 of IC601
Is video signal at
pin#3 of IC102?
YES
NO
Check PCB Pattern.
Is video output signal
at JK101?
YES
NO
Check M-PEG BOARD
Check IC 601
Is signal output from
pin #5 of P201?
Check RF Output.
Check LINE out.
YES
YES
Check PCB Pattern.
NO

Daewoo DW-Q73D2N-LS Specifications

General

Brand	Daewoo
Model	DW-Q73D2N-LS
Category	DVD Recorder
Language	English