DOWNLOAD Sharp AR-FX7 Service Manual ↓ Size: 4.14 MB | Pages: 104 in PDF or view online for FREE

Model
AR-FX7
Pages
104
Size
4.14 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / ARFX7-Service Manual
File
ar-fx7.pdf
Date
PREV: Sharp AR-FX5 (serv.man11) Service Manual / Technical Bulletin

Sharp AR-FX7 Service Manual ▷ View online

AR-FX7  TROUBLE CODE LIST  10 - 3
• When communication result is OK, the communication result sub
code 1 and sub code 2 are 0000.
• <  > indicates the communication means. <Send>, send; <Receive>,
receive; <Poll>, polling; <Bulletin>, bulletin board
The status code from the modem in V.34 mode is indicated with the
communication result sub code 1 (top 2 digits). However, the commu-
nication sub code 1 is 00 in communication other than V.34 mode.
<Communication result sub code>
3. List of buzzer sounds in case of FAX abnormality
62
F code bulletin 
board password 
discrepancy
When the pass code (PWD) 
does not coincide in bulletin 
board, <Bulletin>
63
The other party 
has no function 
of F code.
When the other party machine 
does not have DIS bit 49 (sub 
address capacity) in F code 
transmission, <Send>. Check 
that the other party machine 
conforms to F code.
64
F code is not 
accepted.
When F code is transmitted, 
<Send>
1) When DCN is received for 
SUB, check the BOX 
number.
2) When DCN is received for 
SID, check BOX number 
and the pass code.
When F code is received, 
<Receive>
When the F code relay 
broadcast function or the F 
code confidential reception 
function is inhibited with soft 
switches.
67
F code 
password 
discrepancy
When the pass code (SID) 
does not coincide in F code 
reception, <Receive>
68
BOX NO. NG
When a BOX number that is 
not registered is instructed 
(SUB discrepancy) in F code 
reception, <Receive>
69
Memory over
Memory over in quick online 
sending
Result code 
(Communication 
result)
Communication 
report result 
column
Communication interruption 
content
Result 
code 2
Communication interruption content
Transmission/
Reception
02
EOL time over
Reception
03
Carrier detection time over
Reception
06
Memory image decoding error
Reception
07
Memory image decoding error
Transmission
08
Time up between frames in phase C
Transmission/
Reception
11
Polarity reversion detection
Reception
12
Invalid command reception
Reception
13
Time over (1min timer/6sec timer)
Reception
14
PUT error
Reception
15
In V.34 mode, time up is generated when 
shifting from Primary to Control.
Reception
16
In V.34 mode, time up is generated when 
shifting from Control to Primary.
Reception
20
Polarity reversion detection
Transmission
21
Invalid command reception
Transmission
22
Fall back retry number over
Transmission
23
Resend over of the number of times of 
command retry
Transmission
24
Time over (T5 timer)
Transmission
25
Time over (T5 timer) in V.34 mode
Transmission
26
Time over occurrence during shift from 
Primary to Control in V.34 mode
Transmission
28
Modem chip answering NG
Transmission/
Reception
– : Long sound
• : Single sound
3:
Pause
Example: In case of TEL/LIU connection abnormality
{{– • 
• • • •} repeats {Pee • pi • pause • pi • pi • pi • pi}. 
Beep sound 
pattern
Information content
Detail
Trouble content
– • 
• •
Expanded memory connection 
abnormality
Expanded memory insertion abnormality
Expanded memory reinsertion
– • 
• • •
Internal DMA transfer abnormality
Internal DMA transfer operation 
abnormality
PWB solder trouble, PWB parts trouble
– • 
• • • •
TEL/LIU PWB connection abnormality
TEL/LIU PWB is not connected to the 
main PWB.
– • • 
•
Program ROM (main section) writing not 
completed
Program ROM (main section) data 
abnormality
Download retry
– • • 
• •
Program ROM (font section) writing not 
completed
Program ROM (font section) data 
abnormality
Download retry
– • • • 
•
Work DRAM (IC13, 14) abnormality
Work DRAM abnormality
IC13, 14: PWB solder trouble, PWB parts 
trouble
– • • • 
• •
SRAM (IC41) abnormality 1
IC41: PWB solder trouble, PWB parts 
trouble
– • • • 
• • •
SRAM (IC41) abnormality 2
IC41: PWB solder trouble, PWB parts 
trouble
– • – 
–
MCU upload no responding
MCU PWB does not respond.
MCU PWB - main PWB connection
– • • –
System abnormality 1
Various internal operation abnormality
PWB solder trouble, PWB parts trouble
– • • • –
System abnormality 2
Various internal operation abnormality
PWB solder trouble, PWB parts trouble
AR-FX7  ELECTRICAL SECTION  11 - 1
[11] ELECTRICAL SECTION
1. Block diagram
A. Main block diagram
2/3X
PAGE
MEMORY
SDRAM
128Mbit
IMAGE PROCESSING
MEMORY
SRAM 1Mbit
Reso-
lution
con-
version
CPU
(SH7709A)
MODEM
MN195006-E
FAX IMAGE
MEMORY
FLASH ROM
16Mbit
ADD-ON MEMORY
(AR-MM9)
8MB
ADD-ON
MEMORY
CONNECT
OR
LIU PWB
BACK UP
MEMORY
SRAM
2Mbit
Handset
(Japan only)
LINE
FAX UNIT
FAX MAIN PWB
IMAGE PROCESSING GATE ARRAY
CPU
I/F
MN
86065
I/F
CEDEC IC
MN86065
SRAM
1Mbit
BUS
BUFFER
SCANNING PROCESS FLOW
PRINT PROCESS FLOW
VOICE
IC
I/F
EX TEL
PSUED RINGER
(JAPAN ONLY)
SILICON DAA
CPU
I/F
WORK
MEMORY
SDRAM
16Mbit x 2
MN86065
I/F
HANDSET
(Japan only)
up
CODEC
MEMORY
SRAM
1Mbit
Program
MEMORY
CONNECT
OR
Program ROM PWB
PROGRAM
FLASH ROM
(JAPAN)16Mb
x 2
(EX)8Mb x 2
BACK UP
MEMORY
SRAM
2Mbit x 2
VERTICAL
SCANNING
2/3X
SCAN
I/F
IMAGE
ROTATING
VERTICAL
SCANNING
1/2X
SRAM CONTROL
MN
86065
I/F
FAX GA
I/F
SYSTEM CONTROL GATE ARRAY
DMAC
CON-
TROL
GATE
ARRAY
I/F
SRAM
CON-
TROL
Speaker
MEM
ORY
back
VOICE IC
SI-3000
PRINT
I/F
IMAGE
ROTA-
TING
SDRAM
CONTROL
MODEM
CON-
TROL
RTC
I/F
3 x 3
COPIER
AR-FX7  ELECTRICAL SECTION  11 - 2
B. TEL/LIU PWB block diagram
FG
Relay
Moduler 
Connector
Surge / 
Filter Circuit
Moduler 
Connector
to the External 
Telephone
HOOK / 
Polarity 
Detector 
Circuit
DAA Circuit
(TNV Side)
CI Ditector 
Circuit
DAA Circuit
(Secondary 
Side)
MODEM
FAX Control
Program ROM
FAX Control
CPU Circuit
Copier
Power 
Supply
Printer
I/F
Unit
24Vdc
5Vdc
3.3Vdc
230Vac
AR-FX7  ELECTRICAL SECTION  11 - 3
2. Circuit diagram
A. FAX MAIN PWB
8
8
7
7
6
6
5
5
D
C
B
A
VO L[A]
PCRXD
PCTXD
AU DCK
CPU_TDO
ASMD0-
LE D
AU DSYN C-
AUDA TA3
AUDA TA2
CPU_TMS
AUDA TA0
TRST-
ASEBR KRK-
CPU_TCK
AUDA TA1
CP U_TDI
+1.8V
+3.3V
+5V
+3.3V
+3.3V
+3.3V
+1.8V
+3.3V
+3.3V
GN D
GN D
GN D
GN D
GN D
GN D
GN D
GN D
GN D
GN D
GN D
GN D
GN D
GN D
GN D
GN D
GN D
+3.3V
+3.3V
+3.3V
GN D
MD3
CPURE S-
FAXSR DY-
L_BT-
FAXCRDY -
FAXSTS
FAXCMD
PW OFF-
VO L[A]
DQMUL
DQ MUU
GDMA
GC CH
GDMAE
S_EN
CI
RGDT-
CP U_ CKIO
SRAMCLR-
FAX MAIN PWB (CPU)
R273: Program FLASH
NM(Intel)/10K(Fujituu)
R274: Standard FLASH
NM(Intel)/10K(Fujituu)
TP427
TP1128
TP703
TP83
TP91
C1 2
F0.1u/16
R2 1
R(NM)
R273
10K
C400
F0.1u/16
TP682
C324
B1000/50
R33
R(NM)
TP157
TP730
C1 7
F0.1u/16
R23
10K
R36
R(NM)
TP81
TP747
FB 5
MEM2012(NM)
TP742
C242 F0.1u/16
TP681
BR 8
MNR04 4.7K
1
2
3
4
5
6
7
8
R1 0
6.8K
TP672
C1 0
F0.1u/16
TP1505
TP92
TP89
C1 8
F0.1u/16
TP93
R37
10K
C5
B470/50
C2 1
F0.1u/16
JP3 SD00415- 52(NM)
1
2
C2 3
F0.1u/16
R398
0(3216)(NM)
TP675
TP671
LED1 LT1P67A
R5
6
0
0
FB 6
MEM2012(NM)
TP1130
JP2 SD00415- 52(NM)
1
2
R4 9
10K
R32
10K
FB 4
MEM2012(NM)
R312
10K
TP82
R34
10K
R24
10K
C6
B470/50
C9
F0.1u/16
R313
10K
C326
A33u/10
R
5
0
0
10K
R5 0
10K
TP74
TP88
C2 2
F0.1u/16
TP85
R5
3.3K
R230
0
TP90
R5
0
1
R(
NM
)
C410
F0.1u/16
TP80
TP674
R35
10K
TP1129
TP86
C8
F0.1u/16
R28
10K
TP1043
C7
F0.1u/16
TP75
R22
R(NM)
D18
DA204K
AK
A
K
TP705
R3
100
R561
100
TP673
R1 4
820
TP1042
R4
100
R19
10K
C409
C270/25
R1 7
820
TP1127
R5
0
2
R(
N
M
)
R1
4.7K
TP73
X1
OSC515101J IS-19.6608M Hz-3.3TR
VDD
4
OUT
3
OE
1
GND
2
TP676
C1 6
F0.1u/16
TP76
C1 5
F0.1u/16
C1 1
F0.1u/16
R1 8
820
R2 5 0
R5
5
9R(
NM
)
TP94
LED2 LT1P67A
TP731
TP96
C1 9
F0.1u/16
C327
A33u/10
IC3
P2782A -08SR
VSS
5
FS1
3
XIN
1
MODOUT
6
LF
4
VDD
8
XOUT
2
FS0
7
TP679
TP78
CN1
S4B-PH-SM3-TB(NM)
1
2
3
4
CN2
NCS036- 014-DS(NM)
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
33
33
34
34
35
35
36
36
R2
4.7K
TP680
BR 9
MNR04 4.7K
1
2
3
4
5
6
7
8
C2 0
F0.1u/16
R505
0
R1 3
820
R15
10K
TP704
TP77
R5 1
33
R231
0
R11
10K
R9
0
FB 20
MEM2012(NM)
TP158
TP687
TP1065
R274
10K
R407
100
R31
10K
R6
4.7K
I C1
HD6417709A F100
RESETOUT/PTD(2)
184
Vss(RTC)
6
VssQ
19
VssQ
33
VssQ
45
VssQ
57
VssQ
69
VssQ
83
VssQ
95
VssQ
109
VssQ
161
VssQ
181
Vss
27
Vss
79
Vss
132
Vss
152
Vss
153
Vss
173
Vss-PLL1
147
Vss-PLL2
148
AVss
198
AVss
208
Vcc(RTC)
3
VccQ
21
VccQ
35
VccQ
47
VccQ
59
VccQ
71
VccQ
85
VccQ
97
VccQ
111
VccQ
163
VccQ
183
Vcc
29
Vcc
81
Vcc
134
Vcc
154
Vcc
175
Vcc-PLL1
145
Vcc-PLL2
150
AVcc(3.3V)
205
XTAL
155
EXTAL
156
XTAL2
4
EXTAL2
5
CAP1
146
CAP2
149
RESETP
193
RESETM
124
MD0
144
MD1
1
MD2
2
MD3
195
MD4
196
MD5
197
CA
194
RxD0/SCPT(0)
171
TxD0/SCPT(0)
164
SOK0/SCPT(1)
165
RxD1/SCPT(2)
172
TxD1/SCPT(2)
166
SCK1/SCPT(3)
167
RxD2/SCPT(4)
174
TxD2/SCPT(4)
168
SCK2/SCPT(5)
169
RTS2/SCPT(6)
170
CTS2/IRQ5/SCP(7)
176
AUDATA(0)/PTG(0)
135
AUDATA(1)/PTG(1)
133
AUDATA(2)/PTG(2)
131
AUDATA(3)/PTG(3)
130
AUDSYNC/PTE(7)
94
TCK/PTF(4)/PINT(12)
139
TMS/PTF(6)/PINT(14)
137
TRST/PTF(7)/PINT(15)
136
TDI/PTF(5)/PINT(13)
138
ASEBRKAK/PTG(5)
128
AUDCK/PTH(6)
151
IRLS(0)/PTF(0)/PINT(8)
143
IRLS(1)/PTF(1)/PINT(9)
142
IRLS(2)/PTF(2)/PINT(10)
141
IRLS(3)/PTF(3)/PINT(11)
140
IRQ3/IRL3/PTH(3)
11
NMI
7
RAS2L/PTJ(1)
107
CASLH/CASU/PTJ(3)
110
CASHL/PTJ(4)
112
WE2/DQMUL/ICIORD/PTK(6)
91
WE3/DQMUL/ICIOWR/PTK(7)
92
IOIS16/PTG(7)
126
ADTRG/PTH(5)
125
PTG(4)
129
ASMD0/PTG(6)
127
AN(6)/DA(1)/PTL(6)
206
AN(5)/PTL(5)
204
TP716
C2 4
F0.1u/16
TP79
C1 3
F0.1u/16
R5 2
33
R558
330F
R504
R(NM)
Q1
KRC105S
B
E
C
BR 7
MNR04 4.7K
1
2
3
4
5
6
7
8
TP133
C4
F0.1u/16
TP162
C1 4
F0.1u/16
TP132
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