Sharp 51GT-25S, Руководство по обслуживанию

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27
51GT-25S
Page 26
8 9 10 11 12 13 14
I
H
G
F
E
D
C
B
A
BLOCK DIAGRAM
44 47 46
3 4 5 6 7 8 9 10 11 12 13 14 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 1
3 2 1
RMC0001
R M C U 0 222CE
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
RESE
T
ANA G
N
D
ANA VCC
R G B
BLK
VCC2.5
GND
VCC
KEY KEY KEY
SDA
SCL KEY
OUT 5V
Q901
B G R
F e e d b a c k
3 . 3 V
Q 1 0 0 3
Q305
Mute
A M P
Audio
Q401
Q354
Q355
+ 8 V
Q209
10V
Sound Filter
CF302
S o u n d Trap
C F 3 0 1
SF201
S A W F ilter
Q202
5V
7 V D 1 0 2 1
.
X801
4.43MHZ
J 3 0 1
1 5 4 3 2 6 7
P 3 0 1
.
1
.
2
S P 3 0 1
.
1
.
2
V-OUT
FB
R G
SLOW
B
L-IN
L-OUT
R-IN
R-OUT
SC401
Z2107BM
.
1
.
2
.
3
.
4
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5
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6
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7
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8
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19
(K)
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5
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3
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2
.
1
IC201
. IF IN
1
. IF IN
2
. EHT
3
. VERT SAW
4
. VERT REF
5
. AGC
6
. AGC OUT
7
. AUDIO OUT
8
. S- IF IN
9
. IF IN
10
. EXT IN
11
. NC
12
. FI LC
13
. FI LC
14
. PLL FIL
15
. CVBS OUT
16
. SCL
17
. SDA
18
. B-GAP
19
IN .
20
AV .
21
VCC .
22
VCC .
23
VIDEO IN .
24
GND .
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
. FIL1
59
. GND
60
. GND
61
. VL
62
. VERT B
63
. VERT A
64
X1001
6 MHZ
IF O2
IF O1
+5V
VT
AGC
TU201
.
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