Read Sharp 28KF-84H (serv.man10) Service Manual online
39
28KF-84H
8
9
10
11
12
13
14
I
H
G
F
E
D
C
B
A
Page 38
Schematic Diagram of Mother Board Unit (F7351N5)
Page 41
CRDARA027WJFW
1
20
3
+
12V
+200v
+5
V
+5.5V
+5,
5
V
+5,5
V
18
4
3
+
150V
He
ater
+
3
.3
VSTBY
PRDAR1563
A
+5
V
+
13V
+
13V
+
25V
-1
3
V
2
1
+1
3
V
GND
9
+5
V
+1
5
0
V
27
+150V
2
+
13V
-1
3
V
14
17
+
200V
4
A
-13V
19
+
13V
+5
V
STBY
RESINT
PROT
HPROT
EW
ABL
ABL
HOUT
HFB
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
C6
3
6
100uF
(25V)
C7
5
1
1uF
R7
7
6
1K2
R670
0
Q6
0
4
BC847B
VSBC847B
C6
3
0
22
n
F
C6
3
7
100uF
(25V)
R7
4
2
120K
(1%)
(T
Q
)
D6
1
0
DXA021WJ
SB1H100
D713
DX055
1
D6
0
7
RGP02-16E
DX063
4
B
M
L609
1.5uH
PA052WJ
C6
1
0
1nF
HB
L602
3,3uH
(C
F)
Q60
2
2SK2843
T
X
0236B
M
Q60
8
BC857B
VSBC857B
D604
DX055
1
D617 DX00
4
5
C6
3
2
22nF
R6
5
5
2K7
R10
3
9
3K3
Q70
8
BC847B
VSBC847B
C6
1
8
220
u
F
(16V)
Q70
9
BC847B
VSBC847B
R6
4
4
1K8
C6
0
9
470
u
F
(10V)
Q60
5
KSC
2
5
0
0
TX01
9
2
D6
0
9
DX0518
1N58
1
9
R6
1
6
10
Q71
0
BC847B
VSBC847B
D7
3
2
DX0551
R7
9
1
390
R6
4
5
0
D7
4
0
1N4935
DX0577
B
M
R6
6
6
15
C634
10uF
(250V)
IC
703
T1103G
FX011
3
4
1
2
3
R7
4
3
120K
(1%)
(T
Q
)
L7
M0017CE
D6
1
8
DX00
4
5
R6
6
7
15
L606
3.3uH
(DF)
D10
1
9
EX05
4
4
4V7
R10
4
9
4K
7
C5
2
0
470
u
F
(35V)
D612
DX063
1
1N49
3
5
7
D624
DX055
1
D6
3
3
DX0551
R10
5
1
820
C629 68
n
F
(MO
)
G
N
0441
C
E
R6
0
7
2K2
R6
1
0
68
Q60
1
BU2525AX
T
X
0197B
M
R7
7
5
15K
D637
DX055
1
IC
7
0
2
KA431AZ
IX
1
674
R5
3
0
XZ0208
B
M
4.7
(1/2W)
D7
2
2
DX0605
B
M
MBR340RL
R10
1
0
3K3
L705
330K
P0177CE
R7
4
1
330K
R7
8
0
22
(1/2W)
8
9
R7
2
3
3K3
C7
3
5
470uF
(6.3V)
R7
6
4
470
FB
6
0
1
LN0091GE
R7
3
9
1K
R7
6
1
0.68
(T
Q
)
C6
2
8
330pF
(2Kv)
FZ0216BM
R6
3
5
1M
C7
9
9
3300pF
4KV
KZ0106GE
D6
1
1
1N4936
DX0632
R6
4
3
820K
R6
1
4
10K
(1/2W)
C6
0
4
390
p
F
D1
0
2
1
DX055
1
D5
1
0
DX0631
1N49
3
5
D6
3
1
DX0551
R6
6
3
1R2
(2W)
JF
6
3
0
R7
4
4
4K7
(1%)
TP602
D6
2
0
C18
EX04
2
1
B
M
D6
0
8
DX0045
C6
4
0
470u
F
(10V)
R6
3
3
1K
+VS
-VS
IC
6
0
1
BA4
5
5
8
8
7
6
5
4
3
2
1
D615
C22
EX05
6
0
B
M
R7
6
6
47K
R7
6
8
1K
R7
1
7
100
C7
3
0
270pF
(1KV)
R10
4
7
47K
FB
6
0
3
VV3ABR22J
R6
1
2
2K2
(1/2W)
R654 100
R604
470
Q60
6
BC847B
VSBC847B
C5
4
1
330pF
R6
1
7
2R2
1/
2W
XZ0204
R6
3
7
100K
R6
6
0
12K
(1/2W)
L2
M0017CE
D6
1
9
DX00
4
5
R7
9
5
56
C7
4
0
220
p
F
C621
2.
2
n
F
(500V)
R7
3
3
5K6
(1%)
D747
4V7
EX05
4
4
B
M
R6
0
9
1
(2W
)
D743
C27V
EX0
5
6
2
R7
9
2
22K
R7
3
7
1K
C6
0
8
100
n
F
HB
(T
V
)
R622 1K
5
D7
3
6
1N4937
DX057
9
B
M
R5
5
4
100
C736
100nF
(25V)
TP601
680
R632
R7
9
8
33R
(1/2W)
XZ0218
B
M
C7
1
5
68nF
C6
3
5
680pF
R6
0
5
560
C6
2
3
470uF
(35V)
R7
0
0
4K7
C6
0
7
22
p
F
R601
(2
W
)
56.
D6
1
3
DX0631
1N49
3
5
D7
3
3
B6V2
EX05
8
4
B
M
C10
4
9
1nF
Q71
4
BC847B
VSBC847B
D746
DX004
5
R7
2
7
22K
R6
1
1
22
(1/2W)
R6
2
0
4K7
D6
3
6
DX0551
C602
8n2
(630V)
FZ0237BM
C603
47nF
(FZ)
R6
3
8
100K
R7
3
2
1K5
Q61
3
2SK2839
T
X
0244B
M
D10
1
8
DX0551
L601
3,3uH
(C
F)
C7
3
8
56nF
(FZ)
D6
2
5
DX0551
C7
1
7
10
n
F
(FZ)
C6
4
3
2,2nF
(63v)
R6
0
3
1,2
(3W
)
(MF)
D6
1
6
DX06
3
5
Q61
1
BC857B
VSBC857B
R7
3
5
5K6
(1%)
C6
2
0
2.2
n
F
(500V)
C5
4
0
3.3
n
F
HB
C7
2
2
27nF
(25V)
(EB)
R6
2
3
2K2
R7
6
5
1K
C724 100
n
F
(25V)
D6
0
6
DX00
4
5
C6
0
1
12nF
(2Kv)
FZA093WJ
R6
5
1
1K2
(1/2W)
R6
4
1
3K3
F7
0
4
J4021CE
C7
4
9
1uF
(T
V
)
(16V)
C613 470
n
F
C7
0
9
10uF
R7
6
0
3K9
D6
0
5
DXA01
1
SB360
V
S
B
C
847B
R7
8
7
15R
(1/2W)
XZ0214
B
M
C6
3
3
56p
F
R6
2
1
560
D6
4
4
DX0551
C6
2
7
220pF
(500v)
Q100
4
BC847B
VSBC847B
R7
4
6
8M2
(1/2W)
(UA)
R7
3
6
10K
R7
4
5
33K
C605
2.2nF
HB
Q6
0
7
BC847B
VSBC847B
R6
5
7
10
(1/2W)
XZ0212
R6
4
0
10K
D7
4
8
C2V4
EX05
3
7
B
M
R10
5
0
15K
R7
4
7
8M2
1/
2W
(UA)
C7
2
9
470uF
(6.3V)
D7
2
8
DX00
4
5
R6
3
9
330K
C7
1
8
470
p
F
C7
1
9
100n
F
(25V)
R650
1
(1/2W)
XZ020
0
Q797
2SK2232
TXA0
0
3
W
J
D7
2
5
C24
EX05
6
1
B
M
R7
4
0
560
(TQ
)
R7
9
4
470
Q10
1
1
BC847B
VSBC847B
D6
3
8
BY459
DX064
2
B
M
9
8
3
1
2
7
C7
3
9
100n
F
(25V)
IC
7
0
5
KA431AZ
IX1
6
7
4
R531
820K
C6
0
6
220nF
(10V)
C6
2
2
470uF
(35V)
C6
1
2
680
p
F
(25V)
R7
7
7
0.68
(T
Q
)
R6
5
8
0
C6
4
1
470
n
F
(16V)
C7
3
3
470
u
F
(35V)
105º
H.T.
F2
F1
G2
L7
T601
F2089BM
11
7
10 6 5
12
13
R669
10
(H
)
G
N
0541
C
E
Q60
3
BC847B
VSBC847B
R608
2K
2
R656
2K2
R767
4K7
R6
3
4
27K
R7
9
3
22K
R10
0
9
27K
D10
2
0
E
X
0544
4V7
Q71
3
BC857B
VSBC857B
C7
3
4
47uF
(16V)
D7
5
0
C10V
EX05
5
2
R10
5
6
100
R6
7
3
470
R718
6R8
(1/2W)
XZ0210
B
M
D7
3
7
DX0551
R10
4
4
22K
R6
7
2
0
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