Daewoo DTQ-14N2FC Service Manual page 15

NO PICTURE
CHECK THE WAVE FORM OF
IC501 #44
C
FC
Q504
CONTRAST
CHECK
BRIGHT
CONTROL
(MAX)
VOLTAGES
#39:7.5V
D505
#31:6.2V
ABL
D
ENA
DATA
CLK
IC701
LC864616A
10 11
CHECK
CSB503E
COMPOSITE
VIDEO INPUT
H
C506
R522
SUB-BRIGHT
CHECK
C530
PIN 4
AGC
4
16
7
15
U001 TUNER
14
9
8
10
5V
IF
Z101
SAW FILTER
CHECK
IF AGC
VTG.
5V
DC
OK
NG
21
FS
IC501
LA 7674
Y-OUT
42
39
31
11 14
CHECK
9V LINES
7
#11,14
C530
0.1 (M)
9V
V (33V)
T
ADJUST
RF-AGC
R555
DETECTOR
OUTPUT
8 10
9
IC501
44
LA7674
2 11 14
CHECK
9V LINE
#11, 14
15
C
GO TO
D
GO TO
H
Q501
VIDEO
DRIVE
CHECK
180V
KINE
H. BLANKING
3
D404
T402
FBT
10
R412
CHECK
HEATER
VTG 6.3Vrms
TO Q201
H