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