Service manual

AR-FX7 ELECTRICAL SECTION 11 - 18
5
5
4
4
3
3
D
C
B
A
CD2ACKD-
CD2ACKC-
CD2ACKD0-
CD2ACKD1-
SDRAM_D2
SDRAM_A10
SDRAM_D0
SDRAM_A12
SDRAM_A2
SDRAM_D15
SDRAM_D13
SDRAM_D3
SDRAM_D5
SDRAM_A4
SDRAM_A0
SDRAM_D6
SDRAM_A1
SDRAM_D12
SDRAM_D4
SDRAM_A9
SDRAM_A11
SDRAM_A8
SDRAM_A6
SDRAM_A5
SDRAM_D14
SDRAM_A3
SDRAM_A7
CD2ACKC1-
CD2ACKC0-
SDRAM_D1
SDRAM_D7
SDRAM_D8
SDRAM_D9
SDRAM_D10
SDRAM_D11
CD2ACKD-
CD2ACKC-
GND
+3.3V
GND
+3.3V
GND
GND
+3.3V
GND
GND
+3.3V
+3.3V
GND
GND
+3.3V
GND
GNDGND
CD2REQC
CD2REQD
GDMAE
SDRAM_BA1
SDRAM_RAS-
SDRAM_CS-
SDRAM_CAS-
SDRAM_BA0
SDRAM_WR-
SDRAM_CKE
SDRAM_DQM0
SDRAM_A[0:12]
SDRAM_CLK
SDRAM_DQM1
SDRAM_D[0:15]
CD2RES-
CD2ACKD0-
CD2ACKD1-
CD2ACKC0-
CD2ACKC1-
CD2ACKD-
CD2ACKC-
CLK16M
CD2ACKD-
CD2ACKC-
FAX MAIN PWB (GA2-CODEC)
C219
A33u/10
BR145
MNR04 33
1
2
3
4 5
6
7
8
IC82C
TC74LCX08FT
9
10
8
R611 33
C223
F 0 .1u/16
BR101
MNR04 (NM)
1 2 3 45
6 7 8
IC42
W981216BH-75
I/O0
2
A0
23
I/O1
4
A1
24
I/O2
5
A2
25
I/O3
7
A3
26
I/O4
8
A4
29
I/O5
10
A5
30
I/O6
11
A6
31
I/O7
13
A7
32
A8
33
A9
34
A10
22
A11
35
A12
36
RAS
18
CAS
17
CS
19
DQML
15
WE
16
VCC
1
GND
6
I/O8
42
I/O9
44
I/O10
45
I/O11
47
I/O12
48
I/O13
50
I/O14
51
I/O15
53
DQMU
39
CLK
38
CKE
37
BA0
20
BA1
21
VCC
3
VCC
9
VCC
14
VCC
27
GND
12
GND
28
GND
46
GND
52
GND
54
GND
41
VCC
43
VCC
49
NC
40
BR103
MNR04 4.7K
1 2 3 4 5
6 7 8
C222
F 0.1u/16
IC82D
TC74LCX08FT
12
13
11
7 14
C306
F0.1u/16
R565 R(NM)
BR100
MNR04 (NM)
1 2 3 45
6 7 8
R564 33
C224
F 0 .1u/16
BR146
MNR04 33
1
2
3
4 5
6
7
8
R218
4.7K
IC80D
TC74LCX08F
T
12
13
11
7 14
BR143
MNR04 33
1
2
3
4 5
6
7
8
R612 33
BR144
MNR04 33
1
2
3
4 5
6
7
8
IC86B
TC74LCX74FT
D
12
CLK
11
Q
9
Q
8
VCC
14
PR
10
GND
7
CL
13
C220
F 0 .1u/16
C225
F 0 .1u/16
BR99
MNR04 (NM)
1 2 3 45
6 7 8
TP1245
C307
F0.1u/16
TP1246
BR102
MNR04 (NM)
1 2 3 45
6 7 8
C 226
F 0 .1u/16
TP1095
IC79D
TC74LCX32FT
12
13
11
147
IC80A
TC74LCX08F
T
1
2
3
C263
F0.1u/16
C305
F0.1u/16
C221
F 0 .1u/16