Read Sharp UP-X300 (serv.man45) Service Manual online
UP-X300V
CIRCUIT DIAGRAM & PWB LAYOUT
5 – 30
pcp_bmd#
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
COM1_OUT
23
COM1_IN_UIO
2
3
COM1_IN_BUFFER
2
3
MCR_RDD1#
32
MCR_RCP1#
32
MCR_RCP3#/WCO1#
32
MCR_CLS1#
32
MCR_CLS3#/WTS1
32
MCR_RCP2#
32
MCR_RDD2#
32
MCR_RDD3#
32
MCR_TR123#
32
MCR_DIN1
32
MCR_CLS2#
32
MCR_RWC1#
32
H8_BOOTMODE#
1
8
For FirmUpdate
default
(2-3pin)
H : User program Mode
L : Boot Mode
MCR
PCP3
H8S/2138F
(3/3)
MCR I/F
H8 Control
㸠
1-2
1-2
JR45
For V,U
2-3
JR46
For J
2-3
C404
0.1UF
2
1
R182
0
1
2
BR83
10K-4
1
8
2
7
3
6
4
5
IC28
74HC157A(TSSOP)
1A
2
1B
3
2A
5
2B
6
3A
11
3B
10
4A
14
4B
13
A/B
1
G
15
1Y
4
2Y
7
3Y
9
4Y
12
VCC
16
GND
8
R377
0
1
2
BR84
10K-4
1
8
2
7
3
6
4
5
C405
0.1UF
2
1
C410 100PF
2
1
R442
10K
1
2
C408 100PF
2
1
R183
10K
1
2
C413 100PF
2
1
R441
10K
1
2
IC29
74HC158A(TSSOP)
1A
2
1B
3
2A
5
2B
6
3A
11
3B
10
4A
14
4B
13
A/B
1
G
15
1Y
4
2Y
7
3Y
9
4Y
12
VCC
16
GND
8
C409 100PF
2
1
C411 100PF
2
1
BR136 33-4
1
8
2
7
3
6
4
5
ST1
00-9067-020-000-807
R175
10K
1
2
JP1
00-9067-033-000-806
2
1
3
BR86 33-4
1
8
2
7
3
6
4
5
IC52C
HD64F2138AFA20
IRQ0(CLS1#/BSY1#)
18
P70(MCR0)
30
IRQ1(CLS2#)
19
RXD1(RDD2#)
79
SCK1(RCP2)
80
SCK2(RCP3)
41
RXD2(RDD3#)
40
IRQ2(CLS3#)
20
SCK0(RCP1/WCO1#)
9
P63(RWC1#)
24
P64(WTS1)
25
TXD0(DIN1#)
11
RXD0(RDD1#)
10
P71(MCR1)
31
MD1
4
MD0
5
IRQ3
78
C406 100PF
2
1
C407 100PF
2
1
BR85
33-4
1
8
2
7
3
6
4
5
C414 100PF
2
1
R425
10K
1
2
JR46
10K(23)
1
3
2
JR45
0(23)
1
3
2
BR135
10K-4
1
8
2
7
3
6
4
5
C412 100PF
2
1
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
30/33
PCP3 (MCR)
Click on the first or last page to see other UP-X300 (serv.man45) service manuals if exist.