Sharp AR-FX7 Service Manual Page 84
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AR-FX7 ELECTRICAL SECTION 11 - 4
4
4
3
3
D
C
B
A
D2 8
D1 7
D2 2
D2 4
D3 0
D2 5
D1 9
D2 1
D2 0
D3 1
D1 6
D2 7
D2 3
D2 6
D1 8
D2 9
A2
A3
A18
A14
A13
A4
A11
A17
A20
A10
A8
A9
A6
A7
A19
A21
A5
A15
A12
A16
D1 2
D1 5
A13
D1
A5
A11
A15 D9
A16
D1 1
A2
D3
A4
A9
A12
A20
A7
A14
D6
D4
D0
A8
A10
D8
D1 4
A19
D2
A3
A17
A18
D1 3
D5
A21
D7
D1 0
A6
A4
A7
A18
A14
A19
A8
A13
A5
A12
A17
A10
A3
A9
A15
A16
A6
A11
A20
A2
A1
+3.3V +3.3V
+3.3V
+3.3V
+3.3V
GN D GND
GN D
GN D
GN D
GN D
GN D
GN D
GN D
+3.3V
+3.3V
GN D
+3.3V
+3.3V
+3.3V
+3.3V
+3.
ROMPCE-
ROMPOE-
ROMPWE-
ROMPWP-
A[1:25]
D[0:15]
D[16:31]
MANRES-
FRESET
RES-
ROMPWP-
ROMPOE-
ROMPWE-
RO MPRY RO MPRY
ROMNWP-
ROMNWE-
ROMNOE-
ROMNCE-
RAMCE2
RO MORY
ROMOCE-
ROMBANK1
ROMBANK0
ROMRP-
RES-
RAMCE2
ROMRP-
ROMOCID1
FAX MAIN PWB (FLASH)
IC5
QS51 MBM29LV160
QS52~ MBM29LV800
IC6
QS51 MBM29LV160
QS52~ MBM29LV800
SW
2
SW
2
SW
2
R294
1K
R64
0
TP396
R553 R(NM)
R292
2.2K
TP391
R291
5.6K
TP388
IC9A
TC74LCX14FT
1 2
147
R62
10K
ZD 2
UDZ2.0B
IC20C
TC74LCX04FT
5 6
14
7
D16
1SS355
C29
F0.1u/16
TP272
SW1 SKH U(NM)
TP1236
R554 33
C31
F0.1u/16
TP390
TP387
TP146
TP1237
IC9 D
TC74LCX14FT
9 8
TP1238 TP1239
C36
F0.1u/16
R295
470(2012)
IC10
PST591IMT
VCC
3
GND
4
OUT
1
RES
2
IC6
MBM29LV160BE90PFTN(NM)
A19
9
A18
16
A17
17
A16
48
A15
1
A14
2
A13
3
A12
4
A11
5
A10
6
A9
7
A8
8
A7
18
A6
19
A5
20
A4
21
A3
22
A2
23
A1
24
A0
25
DQ15
45
DQ14
43
DQ13
41
DQ12
39
DQ11
36
DQ10
34
DQ9
32
DQ8
30
DQ7
44
DQ6
42
DQ5
40
DQ4
38
DQ3
35
DQ2
33
DQ1
31
DQ0
29
CE
26
OE
28
WE
11
WP
14
RY/BY
15
VPP
13
BYTE
47
RP
12
VCC
37
GND
27
GND
46
NC
10
R550
10K
R58
10K
TP892
IC11D
TC74LCX05FT
9 8
R253 0
C43
B2200/50
R63
10K
R254 0
R66
0
R57
10K
TP145
IC11B
TC74LCX05FT
3 4
R255 0
TP422
TP894
R549 0
C41
C(NM)
TP383
C30
F0.1u/16
IC11E
TC74LCX05FT
11 10
C42
F0.1u/16
R600 10K
R534
33
C37
F0.1u/16
IC11A
TC74LCX05FT
1 2
147
TP385
TP893
TP397
IC5
MBM29LV160BE90PFTN(NM)
A19
9
A18
16
A17
17
A16
48
A15
1
A14
2
A13
3
A12
4
A11
5
A10
6
A9
7
A8
8
A7
18
A6
19
A5
20
A4
21
A3
22
A2
23
A1
24
A0
25
DQ15
45
DQ14
43
DQ13
41
DQ12
39
DQ11
36
DQ10
34
DQ9
32
DQ8
30
DQ7
44
DQ6
42
DQ5
40
DQ4
38
DQ3
35
DQ2
33
DQ1
31
DQ0
29
CE
26
OE
28
WE
11
WP
14
RY/BY
15
VPP
13
BYTE
47
RP
12
VCC
37
GND
27
GND
46
NC
10
R56
1K
TP1240
C27
A33u/10
C28
A33u/10
TP392
TP895
IC70
MBM29LV160BE90PFTN
A19
9
A18
16
A17
17
A16
48
A15
1
A14
2
A13
3
A12
4
A11
5
A10
6
A9
7
A8
8
A7
18
A6
19
A5
20
A4
21
A3
22
A2
23
A1
24
A0
25
DQ15
DQ14
DQ13
DQ12
DQ11
DQ10
DQ9
DQ8
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
CE
26
OE
28
WE
11
WP
14
RY/BY
VPP
BYTE
RP
12
VCC
GND
GND
NC
10
Q13
KTC3875
B
E C
TP389
C32
F0.1u/16
Q14
KTA1504
B
EC
R293
10K
IC11F
TC74LCX05FT
13 12
- SERVICE MANUAL 1
- CONTENTS 3
- [1] OUTLINE 4
- [2] SPECIFICATIONS 5
- 6. Reception function system 6
- 7. Registration system 7
- 8. Telephone function system 7
- (3) Other report list 8
- [3] INSTALLATION PROCEDURE 9
- TEL/LIU PWB 10
- M3 Screws with washer 10
- Line cable 11
- 1. Operation panel 13
- [5] ADJUSTMENTS 15
- 2. Communication section 16
- [6] SIMULATION 17
- Panel label code 18
- 00001001 22
- 12345678 22
- 1 2 3 4 5 27
- [7] SOFT SWITCH 29
- 2. Soft SW list 30
- 3. Soft switch descriptions 55
- [8] MACHINE OPERATION 71
- B. Operating procedure 72
- 2. Power switch 73
- 3. Originals 73
- 4. Own number sending 73
- 5. Quick On-line 74
- [9] FLASH ROM VERSION UP 75
- PROCEDURE 75
- 2. Others (Troubleshooting) 76
- [10] TROUBLE CODE LIST 77
- 2. Communication result code 78
- [11] ELECTRICAL SECTION 81
- 2. Circuit diagram 82
- FAX MAIN PWB (FLASH) 84
- FAX MAIN PWB (SRAM) 86
- FAX MAIN PWB (MCU I/F) 88
- FAX MAIN PWB (GA1) 90
- FAX MAIN PWB (GA1-CODEC) 92
- FAX MAIN PWB (MN195006E) 94
- FAX MAIN PWB (GA2) 96
- FAX MAIN PWB (GA2-CODEC) 98
- FAX MAIN PWB (TEL/LIU IF) 100
- B. TEL LIU PWB 102
- LIU PWB 2/2 104
- PARTS GUIDE 105
- PARTS CODE NO 107
- LEAD-FREE SOLDER 108
- CAUTION FOR BATTERY DISPOSAL 109
- Trademark Acknowledgments 110
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