LC-20M4E (serv.man5). Part 4 - Schematic diagrams (24-43) - Sharp TV Service Manual (repair manual). Page 6

Read Sharp LC-20M4E (serv.man5) Service Manual online

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19
20
A
B
C
D
E
F
G
H
I
J
LC-20M4E
LC-20M4E
Ë
MAIN Unit -6/8
C805
1u/10V/KZ1025
C806 1u/10V/KZ1025
C818
1u/10V/KZ1025
C813
1u/10V/KZ1025
C822
1u/10V/KZ1025
C839
1u/10V/KZ1025
DGND
C823
1u/10V/KZ1025
C837
1u/10V/KZ1025
C836
1u/10V/KZ1025
C827
0.1u
+
C826
100u/4V/APF
1
2
3
4
R804
100R2
1
2
3
4
5
6
7
8
R801
0R4
1
2
3
4
5
6
7
8
R802
0R4
1
2
3
4
5
6
7
8
R803
0R4
1
2
3
4
5
6
7
8
R810
0R4
1
2
3
4
5
6
7
8
R813
0R4
VSY
VSY
HSY
HSY
VA
C
T
VACT
FIELD
FIELD
UV0
UV1
UV2
UV3
UV4
UV5
UV6
UV7
UV0
UV1
UV2
UV3
UV4
UV5
UV6
UV7
VP_Y0
VP_Y1
VP_Y2
VP_Y3
VP_Y4
VP_Y5
VP_Y6
VP_Y7
VP_Y0
VP_Y1
VP_Y2
VP_Y3
VP_Y4
VP_Y5
VP_Y6
VP_Y7
VSY
HSY
VACT
FIELD
UV0
UV1
UV2
UV3
UV4
UV5
UV6
UV7
R816
0
LLC1
X801
C0012CE
C803
7P
C804
7P
R836
0
DGND
+
C801
10u/16V/APFN
C802
0.1u
C812
1u/10V/KZ1025
C819
1u/10V/KZ1025
C817 0.68u/16V/TV
R812
0
+
C809 100u/16V/APK
C810
0.1u
C820 0.1u
+
C821
470u/16V/APWN
C814
1000P
C815
0.68u/16V/TV
C816
0.68u/16V/TV
R811
2.2K
R814
3.3K
AGND
R826
100
DDCRESET
RESET
+
C833 100u/4V/APF
C834
0.1u
L805
C0055CE
+
C838
100u/4V/APF
SCL1
SDA1
B3.3V200MA
L804
C0055CE
B5V500MA
C824
0.22u/10V
C825
0.22u/10V
C829
4.7u/16V/NP
C808
330P
C811
330P
C807
330P
R807 75
R808 75
R809 75
L801
3.3uH/9N
L802
3.3uH/9N
L803
3.3uH/9N
+
C835
100u/6.3V/APF
C840
0.68u/16V/TV
DY
DPB
DPR
SCOUT
SYOUT
1
2
3
4
5
6
7
8
IC401
BA7046F
R401
100K
R402
33K
R410
470K
R409
10K
C406
1u/10V/TV
C405
2200P
AGND
AGND
AGND
CSYNC
C403
0.1u
+
C404
47u/16V/APF
AGND
AGND
R403
10K
AGND
C401
1u/10V/TV
R404
100
C402
1000P
AGND
R405
5.6K
AGND
Q401
C2712Y
R408 3.3K
R406
3.3K
R407
0
Q402
A1037KQ
R412
5.6K
AGND
CVIN
+9V200MA
C832
0.22u/16V
C831
0.22u/16V
C830
0.22u/16V
R832
1K
R833
1K
R834
1K
R831
1K
R415
1M
R414
1M
R416
1M
AGND
AGND
AGND
AGND
C409
1u/10V/TV
C411 1u/10V/TV
C412
330P
AGND
V1_V
V2_V
AV1/AV2
R805 1M
V_AV1
C410
0.1u
AGND
1
2
3
4
5
6
7
8
H
H
L
L
IC402
NJM2235M
R417
100
R815
100
AGND
AGND
AGND
DGND
DGND
DGND
R819
0
1
2
FB801
0090CE
1
2
FB802
0090CE
B_IN
1
G_IN
2
R_IN
3
CB_IN
4
Y_IN
5
CR_IN
6
A
GND
7
NC
8
VSUPCUP
9
D
VCC
10
DGND
11
VSUPD
12
SCL
13
SD
A
14
RST
15
DGND
16
DGND
17
YCOE
18
FFIE
19
FFWE
20
FFSR
TW
21
FFRE
22
FFOE
23
CLK20
24
GNDPA
25
VSUPPA
26
LLC2
27
LLC1
28
DVCC
29
DGND
30
Y7
31
Y6
32
Y5
33
Y4
34
DGND
35
DVCC
36
Y3
37
Y2
38
Y1
39
Y0
40
C7
41
C6
42
C5
43
C4
44
D
VCC
45
DGND
46
C3
47
C2
48
C1
49
C0
50
DGND
51
D
VCC
52
FIELD
53
VA
C
T
54
CPULSE
55
HSYNC
56
VSYNC
57
FPD
A
T
58
A
VCC
59
CLK5
60
NC
61
XIN
62
XOUT
63
A
GND
64
AGND
65
VRT
66
I2SEL
67
AGND
68
AVCC
69
VOUT
70
SC
71
SY
72
AV1
73
AV2
74
AV3
75
AVCC
76
AGND
77
VREF
78
OSD_BK
79
AGND
80
IC801
VPC3230D
DGND
DGND
AGND
AGND
AGND
AGND AGND
AGND
AGND
AGND
AGND
TV
AGND
C407
100P
TV
TV
APF
9N3R3KR46N
9N3R3KR46N
9N3R3KR46N
APF
TP802
TP
TP801
TP
L : AV1
H : AV2
1
2
3
4
5
6
7
9
10
12
FL402
C0470CE
AGND
Q405
A1162Y
R437
3.3K
R435
560
R428
470
B-8V1A
R439
0
R481
0
R492
1M
R493
1M
AGND
AGND
R480
0
R496
0
100uH
100uH
20.25MHz
R424
0
R425
0
R422
100
R421
0/1/10W
C413
330P
AGND
R420
0/1/10
R479
0
R490
0
34~35
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