Read Sharp AR-M620 (serv.man9) Service Manual online
AR-550/555/620/625/700/705 PCU PWB 4 - 77
8
7
6
5
8
7
6
5
D
C
B
A
PCU PWB (Communication)
TXD_DBG
(14)
DTR_DBG\
(14)
TXD_DBG\
PAGE\
(2)
RES_FIN\
(3)
PCU_TXD_MON
(14)
PAGE
(14)
TRC_LCC
(3)
DSR_FIN\
(14)
PCU_DSR\
(1)
TXD_FIN\
(1)
RES_LCCo
TXD_LCC
(14)
RES_FINou
PCU_DSR
(14)
PCU_RXD\
(1)
MSWOFF
(8)
TRC_LCC\
(14)
RES_FIN
(14)
PCU_RES
(14)
DTR_FIN\
(14)
RXD_LCC
(14)
PCU_RXD_MON
(14)
MSWOFF\
(14)
PCU_DTR\
(1)
PCU_RES\
(1,2)
DTR_FIN
(3)
DTR_LCC\
(14)
RXD_FIN\
PCU_DSR_MON
(14)
PCU_DTR
(14)
RXD_FIN
(14)
DSR_FINin
RXD_LCC\
DSR_LCCin
PCU_TXD\
(1)
PCU_RXD
(14)
TXD_FIN
(14)
DTR_LCC
(3)
PCU_RES_MON
(14)
PCU_TXD
(14)
TXD_LCC\
(1)
DSR_LCC\
(14)
PAGE_MON
(14)
PCU_DTR_MON
(14)
RES_LCC\
(3)
DSR_DBG
(3)
RXD_DBG\
(2)
DSR_DBG\
RES_LCC
(14)
MM\
(14)
MMCLK\
(1
MMCLK
(2)
MM
(3)
POF
(1)
POF\
RXD_DBG
DTR_DBGi
DCCNT\
(14)
DCCNTin\
(14)
+5V2
+5V2
+3.3V1
+5V2
+3.3V1
+5V2
+3.3V1
+5V2
+5V2
+5V2
+5V2
+5V2
+3.3V1
+5V2
+5V2
+5V2
+3.3V1
+5V2
no-mounting
IC52
PST598D
PST598D
VCC
5
GND
3
SUB
2
Vout
4
M/R
1
B
R
62A
10K
J
C233
101J
R395
10KJ
10KJ
D131
DAN202K
DAN202K
K
A1
A2
B
R
18C
10K
J
B
R
15B
10K
J
C212
102K
102K
D121
DAP202K
DAP202K
K1
K2
A
B
R
17D
10K
J
R
114
10K
J
R455
10KJ
10KJ
B
R
15A
10K
J
D129
DAN202K
DAN202K
K
A1
A2
C248
102K*
102K*
C234
101J
D118
DAP202K
DAP202K
K1
K2
A
C62
101J
B
R
15D
10K
J
IC49
TD62503F
I1
1
I2
2
I3
3
I4
4
I5
5
I6
6
I7
7
G
8
O1
16
O2
15
O3
14
O4
13
O5
12
O6
11
O7
10
SK
9
B
R
15C
10K
J
R458
10KJ
10KJ
C73
223Z
B
R
18A
10K
J
C61
101J
B
R
18D
10K
J
B
R
17C
10K
J
D9
DA204K
DA204K
K
A
C
R396
10KJ
10KJ
R457
10KJ
10KJ
SW1
B3F-6102
D52
DAN202K
DAN202K
K
A1
A2
C236
101J
D132
DAP202K*
DAP202K*
K1
K2
A
D50
DAP202K
DAP202K
K1
K2
A
R
127
10K
J
IC48
TD62503F
I1
1
I2
2
I3
3
I4
4
I5
5
I6
6
I7
7
G
8
O1
16
O2
15
O3
14
O4
13
O5
12
O6
11
O7
10
SK
9
C213
102K
102K
D8
DAN202K
K
A1
A2
R456
10KJ
10KJ
B
R
62C
10K
J
B
R
17B
10K
J
B
R
19A
10K
J
R
113
10K
J
B
R
19B
10K
J
C75
101J
B
R
61B
10K
J
B
R
19D
10K
J
B
R
62B
10K
J
C74
102K
B
R
19C
10K
J
C235
101J
IC20
TD62503F
I1
1
I2
2
I3
3
I4
4
I5
5
I6
6
I7
7
G
8
O1
16
O2
15
O3
14
O4
13
O5
12
O6
11
O7
10
SK
9
IC21
TD62503F
I1
1
I2
2
I3
3
I4
4
I5
5
I6
6
I7
7
G
8
O1
16
O2
15
O3
14
O4
13
O5
12
O6
11
O7
10
SK
9
B
R
61A
10K
J
D22
DAP202K
DAP202K
K1
K2
A
B
R
62D
10K
J
B
R
18B
10K
J
B
R
61D
10K
J
B
R
17A
10K
J
B
R
61C
10K
J
JCT
JCT4
JCT
JCT5
JCT
JCT6
JCT
JCT207
JCT
JCT106
JCT
JCT107
JCT
JCT108
JCT
JCT7
JCT
JCT9
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