Read Sharp 51GT-25 (serv.man5) Service Manual online
26
51GT-25H
Page 27
1
I
H
G
F
E
D
C
B
A
2
3
4
5
6
7
BLOCK DIAGRAM
1
2
3
4
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
49
50
51
52
AV
MUTE
POW
5V
SCL
KEY
VT
IC1001
+150V
G 2
FOCUS
PWB-B
DUNTK7284BMN2
CRT
H.V.
GND
R
G
B
HEATER
4
3
2
1
(H)
150V
T601
Q 7 0 1
+10V
110V
20V
-10V
7V
Q 7 0 5
3.3V
Q711
2.5V
Q709
+ 1 0 V
- 1 0 V
Vertical
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 4
Feed back
150V
6.3V
1 2 V
Q601
Q 6 0 2
Q 6 0 4
Q 6 0 3
1 1 0 V
Q883
Q885
Q887
Q870
Q871
Q872
2,5V
Q 5 0 3 , Q 5 0 4 , Q 5 0 5
Fly Back
P u l s e
P u l s e
V-Pulse
4
5V
Q708
G 2
F o c u s
51GT25H
.
.
(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
IC701
4
1
2
3
L702
L703
D211
D604
AC 220-240V
50HZ
50HZ
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