Read Sony FDL-252T Service Manual online
– 11 –
– 12 –
4-2. BLOCK DIAGRAM (2)
R OUT
IC302
Y/C/J
19
BUFFER
Q304
RV301
CONT
G OUT
21
B OUT
24
CONTRAST
2
TINT
13
COMMON AMP
37
VCO OUT
16
VCO IN
14
PFRP
SYNC SEP
VIDEO IN
SW
R IN
COMMON OUT
38
RV308
TINT
RV302
COMP AMP
3
2
7
IC301
AMP
BRIGHT
G IN
SYNC IN
SYNC OUT
34
44
X301?
3.58MHz
CK2A
18
FRP
33
COMMON FRP
STHR
14
CKV
16
CK1A
17
STHL
13
32
OEH
3
OEV
4
STV1
10
STV2
11
CK3A
19
Q1HA
8
INV/O
1
INV/I
2
LRA
40
UDC
37
17
VCC
16
VGH
15
VCOM
14
AVDD
13
STHR
12
L/R
10
VR
9
VG
8
VB
6
CPH3
5
CPH2
4
CPH1
3
Q1H
2
OEH
1
STHL
22
STVR
20
CKV
19
OEV
18
STVL
24
VGL
21
U/D
18
UNREG
17
UNREG
14
HP
12
30V
10
7.5V
9
5V
6
UHF
4
IND
2
-10V
1
BRT
7
VIDEO
5
VHF
INVERTER
Q302
HSY/O
VSY/I
SYNC SEP
Q401,402
Csync
NPD
OSC/O
OSC/I
+
1
-
3
4
O
IC403
LCD CONTROL
IC401
OSC
CN401
SW
Q306
SW
Q305
L401
CN301
UN4.5V
+7.5V
+5V
-10V
+30V
D302
-10V
2
9
8
T701
1
3
5
OSC 2
Q702
4
OSC 1
Q701
OSC SW
Q703,704
UN4.5V
UN4.5V
+5V
FR701
CK2A
STHR
CKV
CK1A
STHL
OEH
OEV
STV1
STV2
CK3A
VGH REG
Q303
+30V
34
30
35
15
25
26
35
29
3
39
42
41
36
RV306
VCOM DC
TO
MONITER
(LCD)
+5V
B
(Y/C/J,LCD CONTROL)
TO
A BOARD
CN201
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