Daewoo DSC-30W60N Service Manual page 20

When input signal is color bar, check the following output level
to PA06D.
YES
Check the input and output signal of IC208.
Pins 9, 10, and 11 : Low (Base of QC215 : High)
Pin 14 : Y signal Pin 15 : Pb signal
Pin 4 : Pr signal
VIDEO
Check if Y, Pb, and Pr are input to pins 58, 59, and
57 of IC200.
V1
Y=0.7Vp-p ± 0.1Vp-p
Pb=0.6Vp-p ±0.1Vp-p
Pr=0.6Vp-p±0.1Vp-p
YES
Check if Y, Pb, and Pr are input
to pins 45, 47, and 1 of IC200.
YES
V2
NO
Check IC208
NO
Check logical state to pin 52 of IC 212.
NTSC, DTV signal : High
External HD Component : Low
NO
NO
Check the following parts.
Y : pin 27 of IC200, Q208, Q209, and Q210
Pb : pin 15 of IC200
19
Troubleshooting charts
To DTV Decoder Module
Check the following parts.
Y : Q204, Q205 Pb : Q202, Q203
Pr : Q200, Q201
Pr : pin 13 of IC200