Sharp LC-20SD4E Service Manual page 44

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A
B
8
B7201
P.CON+3.3V
7
HCB1608KF-181T20
FROM/TO SCALER
DR9
DR8
R7209 47
B7204
DCLK1
DR7
C7200 10 B
FCM1608CF-600T06
DR6
C7239
DR5
DR4
6
6.3V
220
V-S
3.3
DHS
3.3
DG9
DVS
3.3
DG8
3.3
DEN
DG7
C7203
0
DG6
0.1 F
DG5
0
DG4
W824
0
DR4
W828
3.3
DB9
DR5
3.3
DB8
3.3
5
DB7
DR6
3.3
DB6
DB5
DR7
3.3
DB4
DR8
3.3
DCLK1
DR9
3.3
DEN
C7201
DVS
0
DHS
0.1 F
0
W829
0
W830
DG4
3.3
DG5
3.3
4
3.3
FROM/TO MICON
DG6
3.3
SDA1
DG7
3.3
SCL1
3.3
DG8
CONTROLER_RESET
HSCAN
DG9
3.3
VSCAN
C7202
0
0.1 F
3
FROM/TO REGULATOR
JG7200
P.CON+32V
JG7201
P.CON-6V
JG7202
P.CON+14V
P.CON+3.3V
GND
2
1
A
B
H-21
C
D
RSDS SHEMATIC DIAGRAM
NC
0
0
0
0
0
3.3
0
3.3
3.3
3.3
3.3
0
3.2
3.3
3.3
0
3.3
0
0
0
0
0
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
VDD
HSYNC
VSYNC
76 VDD
DE
99 CLK
GND
77 OSP2
100
GND
RIN0
RIN1
RIN2
RIN3
VDD
RSDS
RIN4
IC7200
RIN5
KE454U2380TFP
RIN6
RIN7
GND
GIN0
GIN1
GIN2
GIN3
VDD
GIN4
51
RSDSGND
26
VDD
GIN5
52 P1
GIN6
27
BIN0
GIN7
GND
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
3.3
0
0
3.3
3.3
0
3.3 3.3 3.3 3.3 3.3 3.3
3.3
3.3
0
0
0
0
3.3 3.3 3.3
3.3
NC
C7208
0.1 F
CAUTION: DIGITAL TRANSISTOR
C
D
E
(SCALER PCB)
BLM18PG181SN1D
P.CON+3.3V
B7203
3.3
3.3 3.3
C7212
78
77
76
0.1 F
3.3
RSDSVDD
1.6
R3+
R2P
1.6
R3-
R2N
1.6
R2+
R1P
1.6
R2-
R1N
1.6
R1+
R0P
R7241
3.4
1.6
R1-
R0N
100
C7213
S806Y
0
R7240
RSDSGND
3.4
0.1 F
1.4
G3+
100
G2P
1.4
G3-
G2N
1.4
G2+
G1P
1.4
G2-
G1N
C7215
1.4
G1+
G0P
10 B
1.4
G1-
G0N
3.3
RSDSVDD
32
C7218
1.4
CK+
CKP
0.001 B
1.4
CK-
C7219
CKN
3.3
1.6
B3+
0.1 F
B2P
C7240
1.6
B3-
B2N
25V
47
TZV
1.6
B2+
C7221
B1P
14.0
1.6
B2-
1 B
B1N
R7206
1.6
B1+
B0P
10K
1.6
B1-
B0N
R7205
1.3
C7220
13K
0
1 B
48
49
50
R7238
3.3 3.3
0
R7239
5.6K
5.6K
P.CON+14V
LEVEL SHIFT
Q7204
2SK3018T106
3.3
5.0
SCL1
3.3
LEVEL SHIFT
Q7205
S807Y
2SK3018T106
5.0
3.3
SDA1
VLS14V
3.3
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
E
F
G
Y REVISION
IC7201
BD8139EFV
0
0
A1
GND
NC
0
0
A2
NC
NC
NC
0
0
NC
NC
NC
NC
0
0
OSC
NC
NC
NC
0
1.3
STN/INC
V0
0
11.3
VH55
VSC_MODE
V1
NC
9.8
SDA
V2
9.0
VH7
SCL
V3
0
8.0
VH0
DGND
V4
0
0.1
VL63
DACGND
V5
0
2.3
VL55
NC
V6
NC
0
3.9
NC
V7
NC
0
8.0
CT
V8
6.0
DVCC
V9
0
6.0
NC
VCOM
NC
3.0
REFIN
FB
0
0
VL7
NC
NC
NC
NC
C7229
14.0
0
VL0
NC
VCC
NC
0
0.01 B
7.0
0
VDAC
NC
SW
NC
3.0
Q7202
0
0
2SA1729D-E
NC
NC
NC
NC
R7215
C7225
R7210
R7213
33K
0.001 B
1K
3.0
33K
CS
6.0
SW
13.0
Q7200
2SC4520TD-E
D7200
1SS250
3
2
1
13.9
NC
SW
Q7201
13.6
KTA1544T-RTK/P
R7212
14.0
4.7K
14.0
SW
32.0
Q7203
W817
DTC144EE
0
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
F
G
H
8
7
CD7201
QPWBMD292WJPZ
CP7201
QS0CNA222WJZZY
GND
1
VH63
VH63
2
VH55
VH55
3
NC
VH47
4
NC
VH39
5
VH31
VH31
6
NC
VH23
7
NC
VH15
8
VH7
6
VH7
9
VH0
VH0
10
GND
11
VSH
12
VSH
13
VSH
14
GND
15
LBR_S
LBR_S
16
REV
REV
17
LS
LS
18
SPIO
SPIO
19
SPOI
SPOI
20
GND
21
GND
22
GND
23
B1-
B1-
24
B1+
B1+
25
B2-
B2-
26
B2+
B2+
5
27
B3-
B3-
28
B3+
B3+
29
GND
30
CK-
CK-
31
CK+
CK+
32
GND
33
GND
34
GND
35
G1-
G1-
36
G1+
G1+
37
G2-
G2-
38
G2+
G2+
39
G3-
G3-
40
G3+
G3+
41
GND
42
GND
43
GND
44
R1-
R1-
45
R1+
4
R1+
46
R2-
R2-
47
R2+
R2+
48
R3-
R3-
49
R3+
R3+
50
GND
51
VLS14V
VLS
52
VLS
53
VL0
VL0
54
VL7
VL7
55
NC
VL15
56
NC
VL23
57
VL31
VL31
58
NC
VL39
59
NC
VL47
60
VL55
VL55
61
VL63
VL63
62
COM
63
COM
64
3
COM
65
CS
66
CS
67
CS
CS
68
GSP2
GSP2
69
GSP1
GSP1
70
POWER
POWER
71
GCK
GCK
72
UD
LBR_G
73
VGH32V
VGH
74
VGH
75
VSH
76
GVCC
77
P.CON-6V
VGL
78
VGL
79
GND
80
2
LCD PANEL
V2301
LQ197V3GZ83
PCBDS0
1
CEF197
H
H-22

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