No Vertical Deflection - Daewoo DTQ-14N2FC Service Manual

NO COLOR
MAX.
6V
TINT
COLOR
MAX.
4V
COMPOSITE
C517
VIDEO
FS
Q504
Emitter
FC

NO VERTICAL DEFLECTION

CHECK 9V
14
IC501
LA7674
28
VR305 V,HEIGHT
CHECK
9V
DC
11
41
12
36
13
IC501
LA7674
14
42
18
19
20
21
DC
CHECK
VERT.OUT
2
4
R301
R304
R305
C309
+
R311
V.D.Y.
18
APC FILTER
X501
CHECK
CRYSTAL
CHECK
9V
DC
R-Y
Q901
G-Y
Q902
B-Y
Q903
LUMINANCE (-Y)
CHECK
CONNECTOR
PA901
IC301
LA7837
CHECK 25V
8
12
D407
C418
C417
CHECK THE WAVEFORM
IC301 #12 NO OUTPUT:
CHANGE IC301
R
G
B
180V LINE
DC
R417