Sharp KB-6024MK, Service Manual

Page: 35 / 44

35
KB-6024MS
KB-6024MK
KB-6024MW
6
4 5
1
2
3
6 4 5
1
2
3
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
Figure S-3.
Contr
ol Unit Cir
cuit
S21
S20
S19
S18
S17
S16
S15
S14
S13
S12
S11
S10
S9
S8
S7
S6
S5
S4
S3
S2
S1
S0
C2
C1
C0
P3
6
P3
5
P3
4
P3
3
P3
2
C
O
M
0
C
O
M
1
C
O
M
2
C
O
M
3
VL
3
SE
G
23
SE
G
22
SE
G
21
SE
G
20
SEG 4
SEG 5
SEG 19
SEG 18
SEG 17
SEG 16
SEG 15
SEG 14
SEG 13
SEG 12
SEG 11
SEG 10
SEG 9
SEG 7
SEG 8
SEG 6
AN 0
CN VSS
RES ET
P62
P61
XIN
XO UT
P60
VSS
VC C
P37
SE
G
3
SE
G
2
SE
G
1
SE
G
0
P5
7
SC
LK
1
TX
D
1
P5
2
P5
1
R
XD
1
P5
3
A
VS
S
IN
T0
VR
EF
A
N
7
A
N
6
AN 5
AN 4
AN 3
AN 2
15
20
30
35
40
45
55 60
25
AN 1
P3
1
P3
0
50
R33
R
30
R
31
R
32
0
4.
7K
4.
7K
4.7 K
CF
2
4M
H
z
R26
R
27
R
28
R
29
4.7 K
4.
7K
4.
7K
4.
7K
C
15
P3
6
TX
ou
t
P3
4
R
XD
2
TX
D
2
C
O
M
0
C
O
M
1
C
O
M
2
C
O
M
3
VL
3
P2
7
P2
6
P2
5
SE
G
20
P04
P05
P23
P22
P21
P20
P17
P16
P15
P14
P13
P12
P11
P07
P10
P06
20
AN 0
CN VSS
RES ET
P62
P61
XIN
XO UT
P60
VSS
VC C
P37
P0
3
P0
2
P0
1
P0
0
P5
7
P5
6
TX
D
1
P5
2
P5
1
R
XD
1
P5
3
A
VS
S
IN
T0
VR
EF
A
N
7
A
N
6
AN 5
AN 4
AN 3
AN 2
5
10
15
20
30
35
40
45
55 60
25
AN 1
SC
LK
2
P3
0
50
SEG 0
SEG 1
SEG 2
SEG 3
SEG 4
SEG 5
SEG 6
SEG 7
SEG 8
SEG 9
SEG 10
SEG 11
SEG 12
SEG 13
SEG 14
SEG 15
SEG 16
SEG 17
SEG 18
SEG 19
SEG 20
SEG 21
COM 0
COM 1
CO M3
+ -
C43
8 4
C42
C41
C40
R40
R42
R
44
R
43
R
41
1.
8K
F
36
0K
F
3.5 7K D
3.
32
K
D
IC-5
+ -
F-
2
F-
3
430
1W
K
IA
35
8
D40
C44
C45
D41
R
50
R
51
10
K
47
K
R45
R46
R48
R47
R49
620 K
300 K
150 KF
75K F
37. 4K F
P01
P02
P03
P04
P00
R
7
R
5
R
6
2K
ZD2
HZU 16B 2
C11
R14
4.7 K
ZD 4
HZU 3.6 B2
R11
4.7 K
C10
Q
2
Q
6
Q
5
R
15
D22 D21
R16
30
Q
7
LD
1
LD
2
LD3
4.
7K
R17
4.7 K
R18
C
13
A
H
SE
N
SO
R
C
N
-F
K
-2
K
-1
K
-3
F-
1
M
-1
K
-5
4.7 K
R
56
C52
M
-5
4.7 K1
0K 10
K
R
58
C51
R55
R57
SP
D19
D
20
+
Q
22
Q
21
C
20
C
21
Q
20
A
N
5
C
F1
4M
H
z
1
2
3
7
5 6
<C
O
N
TR
O
L
U
N
IT
>
4.7 K
R13
4.
7K
R
12
P0
5
P5
1
P5
7
C3
S22
S23
SEG 22
SEG 23
COM 2
10u F/3 5V
+
VR
GND
IN
T
47
K
C5
C4
S24
R
69
R68
3.3 K
1.
5K
C3
R
52
10u F/3 5V
C8
+
K
IA
78
L0
5B
P
Q
4
O
C
I
C7
C6
10u F/3 5V
+
R8
K
R
A
22
4S
K
R
A
11
7S
10
uF
/3
5V
20
0
1w
x2
2W
C12
C
N
-K
M
-2
C
N
-M
K
TC
10
27
K
TC
10
27
A
N
4
K
-4
K
R
C
10
1S
K
R
C
10
1S
K
TC
38
75
LC
D
COM 0
COM 1
Q
24
K
R
C
10
1S
IX
A
38
7D
R
IX
A
38
8D
R
390
Fla sh: 10K
Mas k:0
4.
7K
R
34
0.0 1u/ 50V
0.0 1u/ 50V
P6
0
N
-1
N
-2
N
-5
N
-4
N
-3
+2
4V
GND
FG
PW
M
CW
/C
CW
SL
ID
E
M
4.
7K
R98
R99
R
97
R
95
R
96
10
0
10
0
Q
95
Q
96
Q
97
TX
ou
t
P3
6
K
R
A
10
2S
K
R
C
10
1S
K
R
C
10
1S
C
N
-N
+
C90
D95
D96
D97
K
-7
K
-8
E-
3
SM (R
Y3
)
FM (R
Y4
)
+2
4V
10
K
ST
O
P/
C
LE
AR
R
E
H
E
AT
6
STA
R
T/
M
IN
U
TE
P
LU
S
1 2 7
SE
N
SO
R
C
O
O
K
SE
N
SO
R
R
E
H
E
AT
D
E
FR
O
S
T
9 8 3 4
M
EL
T
S
E
N
S
O
R
PO
PC
O
R
N
KEEP W
A
R
M
TI
M
ER
C
LO
C
K
SOF
TEN 0 5
PO
W
ER
LEV
EL
S
ET
UP
C
U
S
TO
M
H
E
LP
C
O
N
TR
O
L
LO
C
K
O
N
/O
FF
4.7 K
35V
10u F
50V
0.0 1u
M
-7
M
-6
K
-6
SW
R
eg.
PW
R
(R
Y5
)
P3
4
A
N
3
15
K
15
K
15
K
15
K
15
K
15
K
15
K
15
K
15
K
15
K
15
K
15
K
J1
(J
2)
J3
J5
(J
4)
(J
6)
Q
23
Q
26
Q
25
K
R
C
10
1S
K
R
C
10
1S
K
R
C
10
1S
P0
6
P0
7
A
N
2
270 K
270 K
270 K
270 K
50V 33 0p
50V 33 0p
50V 33 0p
50V 33 0p
P1
7
P1
6
P1
5
P1
4
P1
3
P1
2
P1
1
P1
0
P2
3
P2
0
P2
1
P2
2
R
10
0
R
10
1
R
10
2
R
10
3
R
10
4
R
10
5
R
10
6
R
10
7
R
10
8
R
10
9
R
11
0
R
11
1
R11 2
R11 3
R11 4
R11 5
C10 0
C10 1
C10 2
C10 3
10
K
4.7 K
A
N
1
27
0
SC
LK
TX
D
R
XD
B
U
SY
VC
C
R
ES
ET
VP
P
C
E
VS
S
9 8 7 6 5 4 3 2 1
VC
C
P3
0
(2
3P
in
)
P3
1
(2
2P
in
)
P3
2
(2
1P
in
)
P3
3
(2
0P
in
)
R
ES
ET
(8
Pi
n)
C
N
VS
S
(7
Pi
n)
A
N
1
(5
Pi
n)
VS
S
C
N
-X
(IC
-1
)
J-
1
J-
2
J-
3
J-
4
J-
5
J-
6
J-
7
J-
8
J-
9
J-
12
J-
11
J-
10
<KEY
UNIT>
C
N
-J
M
-3
C9
VC
VA
D
2
POS
.S
W
.
D
O
O
R
FR
O
N
T
M
IC
R
O
(RY2)
(C
LO
SE)
D
O
O
R
SW
.
C
O
M
(O
.L
./M
IC
R
O
)
(R
Y1
)
D
O
O
R
POS
.SW.
R
EA
R
R20
R
21
(C 22)
R
22
R23
C23
R
24
4.7 K
4.7 K
31
1
M
-4
E-
1
GND
C
N
-E
4.
7K
4.
7K
4.
7K
50
2-
1
H
-1
1