Read Sharp 28KF-84H (serv.man10) Service Manual online
42
28KF-84H
Schematic Diagram of TVTextPRO Digital Module Unit (F7353N3)
1
I
H
G
F
E
D
C
B
A
2
3
4
5
6
7
Page 43
45
54
55
44
56
57
VIDEO_IC
FI
MSP
TUNER
NVM
SDA1 - SCL1
TO :
SDA2 - SCL2
TO :
12
14
5
3
(YB)
15
4
1
9
2
17
20
23
21
19
13
24
16
7
25
11
6
18
10
22
8
48
47
PS25LB
GZ2541CE
(YA)
1
PS25LB
5
51
GZ2541CE
53
MA
A17
A8
A9
A4
D7
D4
OE
D7
D3
D1
A12
D0
D4
A16
A13
A3
A1
D2
OE
A9
A18
D5
A13
A0
D6
A10
D3
A18
A10
A7
A8
A14
A17
A5
A11
A11
A14
A2
D5
A6
A15
D6
AGC SMPL
LEDOPC
SSC-CLOCK
AV1
SCL2
VERT-
STBY
AV2
ABL
RESINT
LED
RES
VERT+
HPROT
SDA1
SSC-DATA
SDA2
VERT-
VERT+
VOUT
HPROT
HOUT
AV2
HOUT
SDA2
ABL
SCL2
AV1
H100
MUTE
VOUT
STBY
IR
RES
EW
V100
SSC-CLOCK
VPROT
HFB
KEY
KEY
PROT
G
B
SENS
R
SCL1
SVM
SDA33
RO
SCL3
3
SCL1
+3.3STBY
+3.3V
+3,3VSTBY
+8V
+3.3VSTBY
+2,5VSTBY
+3.3VSTBY
+3.3VSTBY
+3.3VSTBY
+3.3VSTBY
+3.3VSTBY
+2.5VSTBY
+2.5VSTBY
+3.3V
L6002
3.3uH
C6020
47nF
C6
030
100nF
R6023
10K
X6002
24.576MHz
C6021
47nF
C6022
47nF
R6010
27K
D6010
DX0551
IC6005
MC334164
IX-1873BM
2
2
1
1
3
3
C6026
100nF
R6011
220
X6001
6MHz
R6035
27K
1%
C6036
100nF
R6034
68K
R6033
2K2
JF6005
C6035
68nF
(63V)
JF6009
0
C6028
15pF
C6027
15pF
.
.
.
.
.
D6003
BAS85
DX0606
JF6002
JF6007
0
IC6006
SDA9380B
IX1805BM
VDDA
22
CL
K
I
1
VSSA
23
X1
2
E/W
24
X2
3
D/A
25
C
L
EXT
4
VD+
26
TEST
5
VD-
27
SU
BST
6
VDDA
28
RE
S
N
7
VSSA
29
SC
L
8
VPROT
30
SD
A
9
HPROT
31
V
DDD
10
HSAFE
32
VSSD
11
HD
12
H3
5
K
13
H3
8
K
14
PWM
15
VSYN
C
16
FH1_2
17
HSYNC
18
VDDA
19
VSSA
20
FLB
21
B/
V1
48
G/U1
47
R/Y
1
46
VSSA
45
V/
B0
44
U/G0
43
Y/
R
0
42
V
DDA
41
DCI
40
VR
EFC
39
VR
EFN
38
VBLO
37
VR
EFH
36
PR
OTON
35
IBEAM
34
BSOIN
33
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
R6031
15K
.
.
.
.
.
.
.
.
.
.
R
6020
100
R6032
270
C6029
10nF
C6025
47uF
R6024
220K
C6143
100nF
100nF
R
6021 100
.
.
.
.
.
.
Q6004
BC847
VSBC847B
J32
100
C6018
100nF
C6012
27pF
R6055
470
(1%)
R6063
C6011
27pF
R6061
Q60
BC84
VSB
R6019
100
.
.
.
.
.
C6010
10nF
C6015
100nF
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
STOP
18
OC
F
19
EXTIF
20
C
VBS
21
V
DDA
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
F
L_R
S
T
80
A7
79
A13
78
A12
77
A14
76
V
DD 3
.3
75
VSS
74
V
DD 2
.5
73
FL
_
P
GM
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
DDA
2
.5
56
VSSA
55
NC
54
XTAL1
53
XTAL1
52
NC
51
R6056
1K2
(1%)
R6015
220
IC6
SS
SS
IX18
D7
21
E
22
A10
23
OE
24
A11
25
A9
26
A8
27
A13
28
A14
29
A17
30
A18
31
VCC
32
D3
17
D4
18
D5
19
D6
20
R6006
680K
C6003
100nF
D6015
DX0551
C6141
100nF
L6001
10uH
C6024
100nF
C6017
100nF
C6016
100nF
C6007
100nF
C6009
100nF
R6014
4K7
R
6001
100K
C6139
100pF
R6053
220
C6140
1uF
R6052
220
R6018
33K
C6023
15pF
D6005
C3V3
EX0540BM
C6069
10uF
L6007
1uH
C
6008
100nF
C6014
47uF
C6013
100nF
L6008
1uH
C6070
47uF
FB6040
0
JF6015
0
Firm
válid
válid
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