Sharp 28JS-74SS, Руководство по обслуживанию

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32
28JS-74S
Schematic Diagram of Digital Module Unit (F7353N0D)
1
I
H
G
F
E
D
C
B
A
2
3
4 5 6 7
Page 33
10
(YA)
6 19 12 9 2 5 22 1
17
14 21 13
PS25LB
8 23 15 25 11 718
16
4 24 20 3
A
49 50
53
54
55
44
52 51
56
57
GZ2541CE
OE
A13
A5
D4
D5
A7
D6
D7
A14
A9
D2
A3
A18 A15
A6
A17
D1
D3
A4
A2
A12 A16
A0
A10
D0
A1
A11
A8
SC
L
SD
A
PR
OT
FI
FB
LED
OPC
AV1
R
SENS
KEY
V100
SC
L
STBY
RES
G
IR
H
100
SC
L
LED
SSC
-D
AT
A
MUTE
AV2
RE
S
VOU
T
LED
B
IN
R
ESI
N
T
PR
OT
SD
A
B
SSC-DATA
AGC
SM
PL
LEDOPC
R IN
AGC
SM
PL
R
ESI
N
T
SSC-CLOCK
SD
A
SC
L33
SC
L33
SD
A33
SD
A33
SD
A0
SC
L0
KEY
MUTE
RE
S
EW
KEY IR G
IN
+
2
.5
VST
BY
+3.3STBY
+3.3V
+2.5VSTBY
+3.3V
+3,3VSTBY
+2.5VSTBY
+3.3VSTBY
+8V
+8V
+3.3V
+3.3V
+5V
+3,3V
+3.3STBY
+10V
+2.5STBY
+2.5VSTBY
+3.3VSTBY
+3.3VSTBY
+3.3VSTBY
+3.3VSTBY
+3
+5V
+2,5VSTBY
+1,8V
R6017
47K
C6012
27pF
Q6007
BC857B
TX0243
R6044
56
(1%)
L6002
3.3uH
R
6021
C6020
47nF
R6018
15K
C
6030
R6009
3K3
X6002
24.576MHz
C6021
47nF
Q6006
BC547
TX0106
R6019
100
R6016
47K
R6042
680
R
6005
100
R6006 680K
C6022
47nF
R6045
330
R
6020
100
L6001
10uH
R6010
27K
D6002
C3V9
EX0542BM
Q6005
BC337
TX0217
IC6005
MC34164
2
2
1
1
3
3
C6026
100nF
. . . . . . . . . . . . . . . . . . . . . . . . .
R
6004
100
D6001
C3V9
EX0542BM
R6008
3K3
D6012
3V9
EX0405
F
B
6002
0091G
E
R6015
220
R6014
4K7
R6011
220
X6001
6MHz
C6027
15pF
C6010
10nF
D6005
C3V3
EX0542BM
IC6001
SDA5550
IX1869BM
D1
1
D4
2
D2
3
D3
4
XR
OM
5
V
DD 2
.5
6
VSS
7
V
DD 3
.3
8
P0.
0
9
P0.
1
10
P0.
2
11
P0.
3
12
P0.
4
13
P0.
5
14
P0.
6
15
P0.
7
16
EN
E
17
ST
OP
18
OC
F
19
EXT
IF
20
CV
B
S
21
V
D
DA
2
.5
22
VSSA
23
P2.
0
24
P2.
1
25
P2.
2
26
P2.
3
27
NC
28
H
S
/SSC
29
VS
30
P3.0
31
P3.1
32
P3.2
33
P3.3
34
P3.4
35
P3.5
36
P3.6
37
P3.7
38
VSS
39
VDD 3.3
40
P1.0
41
P1.1
42
P1.2
43
P1.3
44
P1.4
45
P1.5
46
P1.6
47
P4.2
48
P4.3
49
RST
50
D5
100
D0
099
D6
098
A0
097
D7
096
FL_CE
095
A1
094
A2
093
VDD 3.3
092
VSS
091
A10
090
A3
089
PSEN
088
ALE
087
A4
086
A11
085
A5
084
A9
083
A6
082
A8
081
FL
_
R
S
T
80
A7
79
A13
78
A12
77
A14
76
VD
D
3.
3
75
VSS
74
VD
D
2.
5
73
FL
_
P
G
M
72
A15
71
A17
70
A16
69
A18
68
A19
67
NC
66
RD
65
WR
64
NC
63
P1.
7
62
NC
61
BLAN
K/
C
O
R
60
B
59
G
58
R
57
V
D
DA
2
.5
56
VSSA
55
NC
54
XT
AL1
53
XT
AL1
52
NC
51
D6003
BAS85
DX0606
Q6002
BC847B
TX0243
C6023
120pF
D6014
BAS85
IC6003
M24128
IX1883
NC
1
S1
2
S2
3
VSS
4
SDA
5
SCL
6
WP
7
VCC
8
Q6003
BC847B
TX0243
D6004
BAS85
R6
0
0
1
100K
C6028
15pF
D6011
8V2
EX0587
C6006
100nF
R6
0
0
2
5K6
C6009
100nF
C
6007
100nF
R6
0
0
3
5K6
R6054
0 R6057
0
D6015
DX0551
R6056
1K2
(1%)
C6003
100nF
C
6008
100nF
C6001
470uF
(6.3V)
C6141
100nF
R6055
470
(1%)
R
6035
C6029
10nF
C6016
100nF C6015
100nF
C6025
47uF
C6024
100nF
C6013
100nF
C6011
27pF
IC600
SDA93
IX1805
CL
K
I
1
X1
2
X2
3
C
L
EXT
4
T
EST
5
SU
BST
6
R
ESN
7
SC
L
8
SD
A
9
10
B/
V1
48
G/
U
1
47
R/Y
1
46
VSSA
45
V/
B0
44
U/G
0
43
Y/
R
0
42
VD
D
A
41
DCI
40 39
SWITCH
64
SSD
63
VSSD
62
VDDD
61
SVM
60
VSSMC
59
SCP
58
BOUT
57
GOUT
56
ROUT
55
VDDMC
54
B2
53
G2
52
R2
51
FBL2
50
FBL1
49
C6014
47uF
R6043
1K
(1%)
JF6005
C6143
100nF
R
6061
R
6063
R
6
014
JF6007
0
JF6009
0