Daewoo EX236E2BCFA Service Manual page 21

九 九 九 九 、 、 、 、 Function Trouble Function Trouble（ （ （ （ YPbPr Function Trouble Function Trouble
HDMI,S-VIDEO
Have no signal
1. HDMI terminal pad
contact is badly
2 .System DDC settings
is wrong and reset it
3.U14 damage
YPbPr、 、 、 、 HDMI YPbPr YPbPr HDMI） ） ） ） HDMI HDMI
VGA RGB .YPbPr. HDMI,S-VIDEO,CVBS
Low color,
color cast
whether R.G.B input signal
of U14 is normal?
Y
System settings is wrong
and reset it
N
Check the wire from CVBS
terminal to signal source
1.Check the R.G.B circuit
2.Check U14 circuit
CVBS has no signal
whether AV1 or AV2
has signal input?
N Y
whether the 18
of U14 has input?
Y
the soft of U14 is
check the circuit
not normal
between
Or U14damage
U14,AV1
and AV2
th
pin
N