Sharp AR-M550U - Page 101

AR-555/550/620/625 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
X
D_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)
X
D_FIN\ (1)
(14)
SR_FINin\ (3)
X
D_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)
O
F\ (14)
X
D_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
C88
102K
C63
102K
R193
10KJ
R167
10KJ
R166
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
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
R10647KJ R13147KJ
C138
102K
C139
104Z
R10747KJ
C163
104Z
R292
47KJ
R13047KJ
C162
102K
R12947KJ
R194
10KJ
R12847KJ
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