Sharp 37GT-25S, Service Manual

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37GT-25S
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3
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Page 25
SCHEMATIC DIAGRAM (01 Version).
+2.5V
44
47
46
3
4
5
6
7
8
9
10
11
12
13
14
+2.5V
6
+3.
3
V
15
16
17
18
19
20
21
22
23
24
25
26
45
48
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
49
50
321
+8V
RMC000
1
R
M
C
U
0
2
22CE
POW
5V
SLOW
PROT
AGC
FRONT
VCC2.5
GND
VCC
CVBS
ANA VCC
ANA GND
V
VL
H
BG/L
IR
VSYNC
U
L/L´ AGC
VH
GND
VCC
RESET
ANA GND
ANA VCC
R
G
B
BLK
VCC2.5
GND
VCC
KEY
KEY
KEY
SDA
SCL
KEY
OU
T
5V
+7V
7
8
FRONT
VIDEO
F
L
Y
BACK
RESET
R
FB
H
OUT
GB
VIDEO
SLOW
R254 0
R613 100
R836 680
D802 DX0045
B
M
R838 820
R803 4R7
R901 1K
C825 .1
R801 100K
R1081 100
R1013
560
R1082 100
R1008 1K
R1007 220
R1006 220
R1005
220
X1001 6MHZ
FB1001 BLN-0020CE
Q1005 T
X
0235BM
R1056 10K
0
04
3
5BM
R1075 10K
R254 100K
Q1011 T
X
0235BM
R1018 15K
L1002 12uH
R1022 10K
R904 0
L1004 12uH
R1073 2K2
R1021 22K
D1012
DX 0045BM
R1066 10K
R1028
3K3
X80
1
4.43MHZ B0115B
M
R637 0
R814 100 R815 100 R810 100
R816 100
C235 1000 (10V)
R806 2.2
Q801 T
X
0235BM
R612 15K
D603
D602 DX0045
B
M
D301 DX0045B
M
R317 1K
C306 2.2 (50V)
R314 4.7K (1/2W) R315 820
R307 100K
R303 100K
R302 33K
R309 10K
C302 47 (10V)
R306 560
Q304
2SA1037KQ
R305 2.2 (1/2W) R-XZ0204BM
R313 4K7 (1/2W)
R312 4K7 (1/2W)
Q303 T
X
0235BM
Q302 BC327 H-TX021
6
B
M
R308 100 R304 10K
R311 470
R310 470
L303 3.3uH (DF)
J301 J0047C
E
1
5
4
3
2
6
7
R1077 4K7
R1035 22K
R1034 15K
D1013
DX0045
B
M
R1048 4K7 (1/2W)
R1049 4K7 (1/2W)
R1059 4K7 (1/2W)
R903 47
Q901 T
X
0
2
35BM
R1090 4K7
R1015 22K
L304 3.3uH (DF)
C304 100 (25V)
C301 1 (50V)
R1037 10K
C806 100 (16V)
C1002
100nF
C1008 22pF
C1009 22pF
C1033 1nF
C1005 100nF
C1028 1nF
C1011 5,6nF
C1023 220nF
C1024 150pF
C1026 100pF
C1003 100nF
C1027 100nF
C801 .1
C803 .1
C901 .22
C201 .047
C805 .1(Z)
C607 39P
C307 .015
C305 .047
C303 .047
C1013 .047
C1016 .047
C253 .01
C816 .001
C802 .1
L202 12uH (DF)
C827 100P
IC201
TDA8842
25
NC .
26
AUDIO OUT .
27
CAL .
28
EXT VIDEO .
29
SENS .
30
B OUT .
31
G OUT .
32
R OUT .
33
ABL .
34
R IN .
35
G IN .
36
B IN .
37
FB .
38
Y IN .
39
Y OUT .
40
NC .
41
NC .
42
NC .
43
NC .
44
B-Y OUT .
45
R-Y OUT .
46
B-Y IN .
47
R-Y IN .
48
SECAN_REC .
49
.
50
XTAL .
51
. OSC_PLL
52
. VCC
53
. VIDEO_OUT
54
. BLACK
55
. H_OUT
56
. FLY_BACK
57
. FIL2
58 59
BG
R
P40
2
(K)
.
1
.
2
.
3
.
4
.
5
P301 N0241C
E
.
1
.
2
P301
80P-G5YB
.
1
.
2
IC1003 IX0037CE
C828 100P
C809 4700P
C906 .22 (25V)
R1012 10K
C807 .022
C829 100P
R1072 1M
R201 1K
C804 33 (50V)
C309 1 (160V)
Q305
T
X
0
2
35BM
R318 15K
C810 .1(Z)
R257 3K3
L1001 12uH
R1078 470
Q301 BC337 H-TX021
7
B
M
R1080 3K3
1
012
2
0nF
R1092
10K
R1029 10K
C1001 100nF
R1058 4K7
0
02
7
R809 100
Q1001 T
X
0
235BM
C1015 100 nF
R1017 47K
Q1012 T
X
0235BM
C1019 10uF
R1014 100K
C308 220 (10)
C1014 2.2uF (50V)
D1021 C5V1 E
X
0
408BM
C820 18P
Q1003 BF840 H
-T
X
0
113BM
FB301
BLN-0037CE
CF301 C0020CE
C1004 47uF (10V)
R902 220
C226 100P
R1069 4K7
R316 33K
D601 C3V3 EX04
0
3
B
M
C1032
330nF
R607 4K7
D403 E
X
0
412BM
(7,5V)
D411 DX0045
B
M
R608 2K2
R1024 10K
R256 6K8
Q1013 T
X
0235BM