Read Sharp AR-M620 (serv.man9) Service Manual online
AR-550/555/620/625/700/705 PCU PWB 4 - 78
4
3
2
1
4
3
2
1
D
C
B
A
7/14
D5
D2
D7
D4
D6
D1
D3
D0
XD_DBG\
(2)
OP_R/W\
(14)
OP_CS\
(14)
RS\
(2)
R/W\
(2)
SCL3
(2,8)
PTPULSE2
(6)
SCL5
(8)
OP_D4
(14)
OP_D3
(14)
OP_D6
(14)
OP_D1
(14)
OP_D2
(14)
D[0:15]
(1,2,3,4,5)
OP_D5
(14)
OP_D7
(14)
OP_D0
(14)
OP_EN\
(1)
OP_RS\
(14)
HSYNC
(14)
HSYNC\
(2)
PTPULSE
(3)
ES_LCCout
(6)
ES_FINout
(6)
(14)
XD_FIN\
(1)
(14)
SR_FINin\
(3)
XD_LCC\
(1)
SR_LCCin\
(3)
4)
SR_DBG\
(14)
+12VSMONin
(2)
TM11b
(1)
TM11a
(1)
IO1_RD\
(2)
IO2_RD\
(3)
TM21a
(11)
TM21b
(11)
TM22a
(11)
TM22b
(11)
RD_EN1\
(1)
RD_EN2\
(1)
RD\
(1,4,5)
TM12a
(1)
TM12b
(1)
+12VSMON
(8)
(14)
OP_SET\
(2,14)
OF\
(14)
XD_DBG
(14)
TR_DBGin\
(3)
T1PUS
(3)
T2PUS
(3)
T1PUS_buf
(13)
T2PUS_buf
(13)
TCK2\
(4)
TCK2
(2)
+5V2
+5V2
+5V2
+3.3V1
+5V2
+5V2
+3.3V1
+3.3V1
+3.3V1
C89
104Z
R501
10KJ
10KJ
C88
102K
C63
102K
R193
10KJ
10KJ
R167
10KJ
10KJ
R166
10KJ
10KJ
C64
104Z
IC18
74VHCT244
I0
2
I1
4
I2
6
I3
8
O0
18
O1
16
O2
14
O3
12
OE1
1
I4
17
I5
15
I6
13
I7
11
OE2
19
O4
3
O5
5
O6
7
O7
9
VCC
20
GND
10
C79
104Z
C80
102K
IC35
74VHCT240
I0
2
I1
4
I2
6
I3
8
O0
18
O1
16
O2
14
O3
12
OE1
1
I4
17
I5
15
I6
13
I7
11
OE2
19
O4
3
O5
5
O6
7
O7
9
VCC
20
GND
10
R293
10KJ
10KJ
IC40
74VHCT244
I0
2
I1
4
I2
6
I3
8
O0
18
O1
16
O2
14
O3
12
OE1
1
I4
17
I5
15
I6
13
I7
11
OE2
19
O4
3
O5
5
O6
7
O7
9
VCC
20
GND
10
IC27
74VHCT244
I0
2
I1
4
I2
6
I3
8
O0
18
O1
16
O2
14
O3
12
OE1
1
I4
17
I5
15
I6
13
I7
11
OE2
19
O4
3
O5
5
O6
7
O7
9
VCC
20
GND
10
R
106
47K
J
R
131
47K
J
C138
102K
C139
104Z
R
107
47K
J
C163
104Z
R292
47KJ
47KJ
R
130
47K
J
C162
102K
R
129
47K
J
R194
10KJ
10KJ
R
128
47K
J
IC29
74VHCT244
I0
2
I1
4
I2
6
I3
8
O0
18
O1
16
O2
14
O3
12
OE1
1
I4
17
I5
15
I6
13
I7
11
OE2
19
O4
3
O5
5
O6
7
O7
9
VCC
20
GND
10
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