Read Sharp 37GT-27H (serv.man12) Service Manual online
30
37GT-27H
1
2
3
1
4
2
3
8
T700
3
5
6
9
2
5
6
8
3
10
7
11
H.V
FOCUS
G2
10
9
14
13
12
11
15
16
CH+
CH-
VOL+
VOL-
4
5
6
3
2
1
I C 5 0 1
+150V
G 2
FOCUS
PWB-B
DUNTK7284BMN2
CRT
H.V.
GND
R
G
B
HEATER
4
3
2
1
(H)
150V
T601
I C 7 0 1
+10V
110V
20V
-10V
7V
3.3V
Q705
2.5V
Q707
+ 1 0 V
- 1 0 V
V e r t i c a l
D r i v e r
Q 5 0 5 , Q 5 0 6
O U T P U T
A M P
Q 5 0 2 , Q 5 0 1
Feed back
150V
6.3V
- 2 5 V
Q601
Q 6 0 2
Q 6 0 4
Q 6 0 3
1 0 5 V
Q883
Q885
Q887
Q870
Q871
Q872
Q 5 0 3 , Q 5 0 4 , Q 5 0 5
Fly Back
Pulse
4
5V
Q703
G 2
F o c u s
8V
Q702
5 0 / 6 0 H z
Q 5 0 9
7
8
.
.
(G)
A D G C O I L
S1001
S1002
S1003
S1004
L701
PR701
S 7 0 1
F701
T3.15A
(A)
P701
N0304CE
IC1002
.
1
.
2
.
3
.
4
.
5
.
6
.
7
.
8
SC881
VD842CE
.
7
.
9
.
3
.
5
.
4
.
6
.
8
P881A
(L2)
(L2)
1
(K)
.
5
.
4
.
3
.
2
.
1
P601
(F)
.
1
.
2
.
3
.
4
.
5
(H)
.
1
.
2
.
3
.
4
V-IN
V-OUT
.
18
.
19
.
20
.
21
D605
D604
AC 220-240V
50HZ
50HZ
D608
Q701
BLOCK DIAGRAM
1
I
H
G
F
E
D
C
B
A
2
3
4
5
6
7
Page 31
31
37GT-27H
3
2
1
RMC0001
R M C U 0 222CE
OUT
5V
B
G
R
F e e d b a c k
Q305
Mute
A M P
Audio
5V
7 V
D 1 0 0 5
AUDIO
I N
I N
AUDIO
OUT
OUT
Q401
Q1001
.
J 3 0 1
1
5
4
3
2
6
7
P 3 0 1
.
1
.
2
S P 3 0 1
.
1
.
2
FB
R
G
SLOW
B
L-IN
L-OUT
R-IN
R-OUT
SC401
Z2107BM
.
1
.
2
.
3
.
4
.
5
.
6
.
7
.
8
.
9
.
10
.
11
.
12
.
13
.
14
.
15
.
16
.
17
.
18
(K)
.
5
.
4
.
3
.
2
.
1
IF O2
IF O1
+5V
VT
AGC
TU201
.
1
.
2
.
3
.
4
.
5
.
6
.
11
.
10
IC1001
S D A 5 5 5 2
VS
17
VL
18
BG/L
19
R/C
20
V
21
VU
22
L/L'
23
N.C.
24
N.C.
25
N.C.
26
VN
27
VSS
28
VDD 3.3
29
N.C.
30
N.C.
31
/RST
32
HS/SSC
16
N.C.
15
N.C.
14
N.C.
13
N.C.
12
N.C.
11
VSSA
10
VDDA 2.5
9
CVBS
8
N.C.
7
N.C.
6
VDD 3.3
5
VSS
4
VDD 2.5
3
OUT FRONT
2
N.C.
1
AGC
64
N.C.
63
PROT
62
SS
61
SBY
60
POWER
59
SMUTE
58
50/60 Hz
57
N.C.
56
VT
55
K
54
SCL
53
SDA
52
K
51
N.C.
50
K
49
N.C.
33
XTAL2
34
XTAL1
35
VSSA
36
VDDA 2.5
37
R
38
G
39
B
40
N.C.
41
BLANK/COR
42
N.C.
43
VDD 2.5
44
VSS
45
VDD 3.3
46
K
47
N.C.
48
X801
4,43MHz
X1001
6 MHz
IC801
S T V 2 2 3X
IFPLL
17
GND IF
18
AM/FMOUT
19
VCC
20
CVBS
21
AUDIN
22
IF1
23
IF2
24
VCC
25
CVBSIN1
26
GND
27
CVBSIN2
28
BS
29
BEXT
30
GEXT
31
REXT
32
AGC
16
SAW
15
PIFIN
14
PIFIN
13
AGC
12
VIF
11
AGC
10
SIFIN
9
SIFIN
8
FMCAP
7
AUDIO
6
GND
5
VCC
4
SDA
3
SCL
2
SLPF
1
SSC
64
HOUT
63
VERT
62
BCL
61
CVBOUT2
60
VCC
59
CVBSOUT1
58
GND
57
VAMP
56
CLPF
55
XTAL
54
XTAL
53
BTUN
52
HALFCTR
51
FBOSD
50
ROSD
49
FB
33
Y/C
34
CHR
35
APR
36
UIN
37
VIN
38
YIN
39
YOUT
40
VOUT
41
UOUT
42
BOUT
43
GOUT
44
ROUT
45
ISENS
46
BOSD
47
GOSD
48
SAW FILTER
5
4
3
1
2
SOUND TRAP
BLOCK DIAGRAM
8
9
10
11
12
13
14
I
H
G
F
E
D
C
B
A
Page 30
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