Sharp AR-FX7 Service Manual page 80

2. Circuit diagram
A. FAX MAIN PWB
8
FAX MAIN PWB (CPU)
CN1
1
2
D
3
4
S4B-PH-SM3-TB(NM)
GN D
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
R505
0
+3.3V NCS036- 014-DS(NM)
GN D
FB 20
MEM2012(NM)
GN D
C
R504
R(NM) X1 TP132
1 3
OE OUT
TP1505
4 2
VDD GND
R558 330F
OSC515101J IS-19.6608M Hz-3.3TR
C410
C242 F0.1u/16
GN D F0.1u/16
+3.3V R230 0
FB 5
MEM2012(NM)
+1.8V R231 0
FB 6
MEM2012(NM)
C326 C327
A33u/10 A33u/10
B
GN D GN D GN D
A
8
7
PCTXD
TP672
PCRXD
TP671
GN D BR 7 BR 8
MNR04 4.7K MNR04 4.7K
+3.3V
CN2
ASMD0-
1
2 1
AUDA TA0
3
4 3
AUDA TA1
5
6 5
AUDA TA2
7
8 7
AUDA TA3
9
10 9
AU DSYN C-
11
12 11
13
14 13
15
16 15
CPU_TCK
17
18 17
CPU_TMS
19
20 19
TRST-
21
22 21
CP U_TDI
23
24 23
CPU_TDO
25
26 25
ASEBR KRK-
27
28 27
29
30 29
31
32 31
33 R1 0
34 33
AU DCK
35
36 35
TP1129
R1 3 820
+5V
R1 4 820
+3.3V
LED1 LT1P67A
TP1128
R1 7 820
R1 8 820
LED2 LT1P67A
R2 1 R(NM)
IC3
1 8
XIN VDD
2 7
XOUT FS0
3 6
FS1 MODOUT
4 5
LF VSS
R2 5 0
P2782A -08SR C400
C409
F0.1u/16
C270/25
GN D GN D
+1.8V
C4 C5 C6 C7 C8 C9 C1 0
F0.1u/16 B470/50 F0.1u/16 F0.1u/16
B470/50 F0.1u/16 F0.1u/16
TP76
TP78
R273 R274
GN D
10K 10K R407
RGDT-
GN D GN D
R273: Program FLASH
NM(Intel)/10K(Fujituu)
R274: Standard FLASH
NM(Intel)/10K(Fujituu)
7
AR-FX7 ELECTRICAL SECTION 11 - 3
6
+3.3V
R1 R2
4.7K 4.7K
R3 100
R4 100
BR 9
MNR04 4.7K
R5 R6
3.3K 4.7K
VO L[A]
R9 0
6.8K
R398 0(3216)(NM)
Q1 KRC105S
SRAMCLR-
C B
TP1130 JP2 SD00415- 52(NM)
1 2
K
+3.3V
1 2
CPURE S-
JP3 SD00415- 52(NM)
GN D
A
PW OFF-
D18 DA204K
TP742 GN D R22 R(NM)
CP U_ CKIO
TP427
FB 4
MEM2012(NM)
R32 10K R33
+3.3V
MD3
R35 10K R36
TP1042
TP1043
C1 1 C1 2 C1 3 C1 4 C1 5 C1 6 C1 7 C1 8 C1 9
F0.1u/16 F0.1u/16 F0.1u/16 F0.1u/16
F0.1u/16 F0.1u/16 F0.1u/16 F0.1u/16 F0.1u/16
+3.3V
100 R4 9 R5 0
CI
10K 10K
C324 TP704 R5 1 33
DQ MUU
B1000/50 TP716 R5 2 33
DQMUL
GN D
6
5
I C1
TP674
166
TxD1/SCPT(2)
TP673 172
RxD1/SCPT(2)
TP88 165
SOK0/SCPT(1)
TP90
167
SCK1/SCPT(3)
TP158
168
FAXCMD
TxD2/SCPT(4)
TP162
174
FAXSTS
RxD2/SCPT(4)
TP157
170
FAXSR DY-
RTS2/SCPT(6)
TP747
176
FAXCRDY -
CTS2/IRQ5/SCP(7)
TP89
164
TxD0/SCPT(0)
TP91
171
RxD0/SCPT(0)
169
SCK2/SCPT(5)
127
ASMD0/PTG(6)
135
AUDATA(0)/PTG(0)
133
AUDATA(1)/PTG(1)
131
AUDATA(2)/PTG(2)
130
AUDATA(3)/PTG(3)
94
AUDSYNC/PTE(7)
139
TCK/PTF(4)/PINT(12)
137
TMS/PTF(6)/PINT(14)
136
TRST/PTF(7)/PINT(15)
138
TDI/PTF(5)/PINT(13)
VO L[A]
128
ASEBRKAK/PTG(5)
TP731 151
AUDCK/PTH(6)
R11 10K
+3.3V
206
L_BT-
AN(6)/DA(1)/PTL(6)
LE D
TP730
112
CASHL/PTJ(4)
R15 10K
R561 100 TP1127
204
AN(5)/PTL(5)
TP92
193
RESETP
R19 10K TP676
AK 124
RESETM
TP1065
7
NMI
R23 10K TP679
194
CA
R24 10K TP73
155
XTAL
TP74
156
EXTAL
TP96
4
XTAL2
R28 10K TP94
5
EXTAL2
R31 10K TP680
197
MD5
R(NM) R34 10K TP687
196
MD4
TP133
195
MD3
TP682
2
MD2
R(NM) R37 10K TP681
1
MD1
TP675
144
MD0
TP80
146
CAP1
GN D TP75 149
CAP2
3
Vcc(RTC)
21
VccQ
35
VccQ
47
VccQ
59
VccQ
71
VccQ
85
VccQ
97
VccQ
111
VccQ
163
VccQ
183
VccQ
29
Vcc
81
Vcc
134
Vcc
154
Vcc
175
Vcc
145
Vcc-PLL1
150
Vcc-PLL2
205
AVcc(3.3V)
C2 0 C2 1 C2 2 C2 3 C2 4
F0.1u/16 F0.1u/16 F0.1u/16
F0.1u/16 F0.1u/16
208
AVss
198
AVss
148
Vss-PLL2
147
Vss-PLL1
173
Vss
153
Vss
152
Vss
132
Vss
79
Vss
27
Vss
181
VssQ
161
VssQ
109
VssQ
95
VssQ
83
VssQ
69
VssQ
57
VssQ
45
VssQ
33
VssQ
19
VssQ
6
Vss(RTC)
184
RESETOUT/PTD(2)
143
IRLS(0)/PTF(0)/PINT(8)
142
IRLS(1)/PTF(1)/PINT(9)
TP77
141
S_EN IRLS(2)/PTF(2)/PINT(10)
TP79
140
GDMA IRLS(3)/PTF(3)/PINT(11)
TP83
126
IOIS16/PTG(7)
TP81
129
PTG(4)
TP93
11
IRQ3/IRL3/PTH(3)
TP82
125
ADTRG/PTH(5)
TP85
110
GDMAE
CASLH/CASU/PTJ(3)
TP86
107
GC CH
RAS2L/PTJ(1)
TP705
92
WE3/DQMUL/ICIOWR/PTK(7)
TP703 91
WE2/DQMUL/ICIORD/PTK(6)
R312 R313
10K 10K
GN D
5
HD6417709A F100