Sony FDL-PT222 - Watchman Lcd Color Tv, Service Manual

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4-2. BLOCK DIAGRAM (2)
S601
(1/2)
S001 S002
8
7
9
5
3
2
IND
H SYNC
VIDEO
AUDIO
H.P
VHF
CN502
RV501
2
3
VCC
6
7
V+
J501
SPEAKER
CN601 CN301
VHF
H.P
VIDEO
H SYNC
IND
2
3
9
7
8 8
7
9
3
2
(2/2)
S601
F601
9
8
4
PORT SWITCH
Q601-603
RV601
+4.5V
3
7
6
1
T601
+30V
+4.5V
Q401
BUFFER
+30V
11 11 BRT
RV450
5
1
4
2
3
DRIVE
Q701
Q702
8
6
T701
FR701
LCD
BACK LIGHT
DC IN 4.5V
J701
BATTERY
A (POWER SUPPLY, LCD BACK LIGHT, HEADPHONE AMP)
BUFFER
Q403
40
37
R2
HSO
V IN 34
Q303
SYNC. SEP.
35 H IN
IND SWITCH
Q408
38 INB
R 40
Q302
INV.
5 1
2 9
19 10
21 11
23 12
RV301
X301
3.58MHz
VIDEO IN
SYNC SEP
TINT CONT
VCXO IN
VCXO OUT
HD IN
CONTRAST
R OUT
G OUT
B OUT
IC301 Y/C JUNGLE
IC501 HEADPHONE AMP
27
29
28
23
B IN
G IN
R IN
AUTO CB
1
24
40
2
3
4
5
6
7
8
9
CP
CL2
CLB
CLA
D2
D3
D4
D1
BESTB
22
38
21
37
20
36
12
28
11
27
10
26
9
25
13
29
2
6
23
39
4
3
TPR2
TPR1
VM
VM
VM
VSS
17
18
33
34
16
32
15
31
VDG
VDR
VDG
VDR
VDB
VDB
VS2
VS2
BUFFER
Q402
Q406
SWITCH
VM BUFFER
Q407
13 TPR1
12 TPR1B
DB 10
XTD
XT1
4.5MHz
X401
21
20
30 TGL VL
RV402
IC401
MONITOR CONTROL
B (Y/C JUNGLE, MONITOR CONTROL)
LCD
MONITOR
CP
CP
CL2
CL2
CLB
CLB
CLA
CLA
D2
D2
D3
D3
D4
D1
D1
RES
RES
UB 12
UP DOWN SW 11
+
D701
-
+4.5V
+4.5V
TO
T1 BOARD
CN201
OFF
VHF
UHF
2
DRIVE
CH
BRT
CONTRAST
TINT
VIDEO
AUDIO
VIDEO VIDEO
VOL
OFF
VHF
UHF
AUDIO
AUDIO