Service manual

AR-FX7 ELECTRICAL SECTION 11 - 9
4
4
3
3
2
2
1
1
D
C
B
A
+24V +12V
+5V
+3.3V
+3.3V
GN D
GN D
GN D
+1.8V+3.3V
MDM3.3V
GN D
+3.3V
GN D
+3.3V
GN D
FRESET
PWOFF-
PR LINE-
SC LINE-
HS YNC-
READ Y-
FAXPAGE-
FAXCMD
FAXSTS
FAXCRDY-
FAXSRDY-
FAXPRD-
FAXREQ0P-
FAXACK0P-
FAXCS0P-
FAXACK1P-
FAXCS1P-
FAXREQ1P-
4/10
R240 0
C79
F0.1u/16
R617 33
TP1131
TP1124
C78
A33u/10
L
CX244FT
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
IC23 LM1117MPX-3.3(NM)
IN
3
GND
1
OUT1
2
OUT2
4
D8 1SS355
R262 0
IC20B
TC74LCX04FT
3 4
14
7
C84
F0.1u/16
R260 0
R247 10K
TP384
FB15
MEM2012(NM)
R248 10K
C68
F0.01u/50
2
L
CX244FT
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
VCC
20
GND
10
TP1049
IC9B
T
C74LCX14FT
4
TP1103
R263 0
R616 33
IC9 F
TC74LCX14FT
13 12
C69
F0.1u/16
C83
F0.1u/16
TP161
R81 0
R615 33
IC20A
TC74LCX04FT
1 2
14
7
TP745
C77
F0.1u/16
IC9E
TC74LCX14FT
11 10
R86 0
TP746 D7 1SS355(NM)
C244
F0.01u/50
R88 0
IC25 LM1117MPX-1.8
IN
3
GND
1
OUT1
2
OUT2
4
C67
A47u/16(NM)
D5 1SS355(NM)
R87
10K
C80
F0.1u/16
TP395
R246 R(NM)
C82
A33u/10
TP410
TP386
IC19 KIA78M12P(NM)
IN
IN
GND
GND
OUT
OUT