Daewoo DTQ-26S1FC Service Manual page 18

NO PICTURE
CHECK THE WAVE FORM OF
I501 #44 (2Vp-p)
C
FC
QC201
CONTRAST
CHECK
BRIGHT
CONTROL
(NORMAL)
VOLTAGES
#39: 5.0V
D505
#31: 3.9V
ABL
D
ENA
DATA
CLK
I701
LC864616A
10 11
CHECK
CSB503E
OK
NG
COMPOSITE
VIDEO INPUT
FS
H
C506
R522
CHECK
SUB-BRIGHT
9V LINES
#11,14
AGC
9V
U101 TUNER
V (33V)
T
5V
IF
Z101 8
SAW FILTER
9
CHECK
IF AGC
VTG.
5V
DC
TP2
13
GO TO
GO TO
21
I501
LA 7674
Y-OUT
42
39
H. BLANKING
31
11 14
T402
FBT
ABL H.T
CHECK
ABL
Ib = 1.2mA
ADJUST
RF-AGC
R113
DETECTOR
OUTPUT
10
I501
44
LA7674
2 11 14
CHECK
9V LINE
#11, 14
C
D
H
QC501
VIDEO
DRIVE
CHECK
210V
KINE
D404
R413
R412
CHECK
HEATER
6.3Vrms
TO QC201
H