DOWNLOAD Sharp AR-LC8 Service Manual ↓ Size: 3.85 MB | Pages: 48 in PDF or view online for FREE

Model
AR-LC8
Pages
48
Size
3.85 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / Service manual parts
File
ar-lc8.pdf
Date
PREV: Sharp AR-LC7 (serv.man2) Service Manual / Technical Bulletin

Sharp AR-LC8 Service Manual ▷ View online

AR-LC8  TROUBLESHOOTING  8 - 2
5. Details
Main 
code
Sub 
code
Title
LCC lift motor trouble
U6
09
Display
Lamp/Message
Phenomenon Detail
• The encoder input value 
does not change in 
0.13sec (first time)/0.5sec 
(second time or later) 
after rotation of the motor.
• The motor is rotated for 
18sec or more.
• The encoder changes 
after the specified time 
from termination of the 
motor. (2sec and 10 
counts or more)
Section
LCC
Common
Check
Use SIM 4-2 and 4-3 to 
check the sensor operation 
and the lift motor operation.
Cancel the trouble with SIM 
15.
Case 1
Cause
Sensor trouble
Check & 
Remedy
Replace the sensor.
Case 2
Cause
LCC control PWB trouble
Check & 
Remedy
Replace the LCC control 
PWB.
Case 3
Cause
Gear breakage
Check & 
Remedy
Replace the gear.
Case 4
Cause
Lift motor trouble
Check & 
Remedy
Replace the lift motor.
Main 
code
Sub 
code
Title
LCC communication trouble
U6
20
Display
Lamp/Message
Phenomenon Detail
Communication error with 
the LCC.
Communication line test 
error after turning on the 
power or canceling an 
exclusive simulation.
Discrepancy of the model 
code between the LCC and 
the machine.
Section
—
Common Turn OFF/ON the power to 
cancel the error.
Case 1
Cause
Improper connection or 
disconnection of the 
connector and the harness.
Check & 
Remedy
Check the connector and 
the harness in the 
communication line.
Case 2
Cause
LCC control PWB trouble
Check & 
Remedy
Replace the LCC control 
PWB.
Case 3
Cause
Control PWB (PCU) trouble
Check & 
Remedy
Replace the control PWB 
(PCU).
Case 4
Cause
Malfunction caused by 
noises
Check & 
Remedy
Turn OFF/ON the power to 
cancel the error.
Main 
code
Sub 
code
Title
LCC transport motor trouble
U6
21
Display
Lamp/Message
Phenomenon Detail
• The encoder input value 
does not change in 
0.06sec after turning on 
the motor.
• The encoder input 
changes after the speci-
fied time from turning off 
the motor. (100 or more 
counts are made in 
0.1sec after 5sec.)
Section
—
Case 1
Cause
Motor lock, motor RPM 
abnormality. Over current to 
the motor, saddle finisher 
control PWB trouble
Check & 
Remedy
Use SIM 4-3 to check the 
transport motor operation.
Main 
code
Sub 
code
Title
LCC 24V power abnormality
U6
22
Display
Lamp/Message
Phenomenon Detail
DC 24V is not supplied to 
the LCC.
Section
—
Case 1
Cause
Improper connection or 
disconnection of the 
connector and the harness.
Check & 
Remedy
Check the connector and 
the harness in the power 
line.
Turn OFF/ON the power to 
cancel the error.
Case 2
Cause
LCC control PWB trouble
Check & 
Remedy
Turn OFF/ON the power to 
cancel the error.
Case 3
Cause
Power supply unit trouble
Check & 
Remedy
Turn OFF/ON the power to 
cancel the error.
AR-LC8  ELECTRICAL SECTION  9 - 1
[9] ELECTRICAL SECTION
1. Block diagram
Comm
unication
b
uff
er circuit
Xtal
7.37MHz
24V
12V
24V monitor
circuit
Upper door detection
monitor circuit
24V
Transport motor
(LTM)
Upper limit s
witch (
LLSW)
Lift motor
(LLM)
Lo
w
er limit sensor (LLD)
P
a
per presence/empty
sensor (LPED)
P
aper e
xit sensor (L
TD)
Main unit connection
sensor (L
T
OD)
Cassette sensor (LCD)
Remaining quantity
sensor (LRE)
AR-C170M
Upper door open/close switch (
LOSW)
Ar
ithmetic section
CPU (HD64F3644H)
EEPROM
LCC MAIN PWB
AR-LC8
Upper limit sensor (LUD)
RXD-LCC
DSR-LCC
TXD-LCC
DTR-LCC
RES-LCC
GND2
5V
24V
GND1
F.G.
P
a
per f
eed clutch (LPFCL)
T
ranspor
t clutch (L
TCL)
Tr
a
y loc
k solenoid (L
TLSL)
P
aper f
eed solenoid (LPSL)
Upper limit detection
monitor circuit
P
o
ly-s
witch 1.1A
Lift motor dr
iv
e
circuit
Current limit
circuit
Sensor input circuit
Solenoid/clutch dr
iv
e circuit
On-board wr
ite circuit
P
o
w
er 12V circuit
Comm
unication wr
ite circuit
AR-LC8  ELECTRICAL SECTION  9 - 2
2. Actual wiring chart
LIFT
MOTOR
LRE
LRE
+5V
1
GND2
2
3
+5V
B8B-PH-K-S
CN-B
GND2
3
1
6
4
8
2
7
5
LTLSL
+24V
+5V
GND2
LRE
LLD
1
2
LLM+
LLM-
AR-LC8
N.C.
LCC MAIN PWB
+5V
LLM
5
GND2
6
9
N.C.
7
B14B-PHDSS-B
2
8
3
GND2
LTM
LCD
4
LTM-T
10
LLM(GND)
11
LTM-CLK
CN-E
1
N.C.
B12B-PHDSS-B
11
/DSR-LCC
RES-LCC
9
GND1
4
1
3
+5V
/TRC-LCC
5
2
CN-A
12
N.C.
7
/DTR-LCC
6
+24V
8
10
RXD-LCC
GND2
TXD-LCC
+5V
LTOD
12
11
10
9
9
10
11
12
3
6
5
3
SMP-18V-NC
5
2
1
77
2
SMR-18V-N
8
2
1
3
4
6
8
1
4
1
2
2
1
2
1
GND2
1
5
4
/LPED
2
LTM-T
+24V
GND1
/LUD
LUD
LPED
LTM
LTM-CLK
2
LTM
3
+5V
1
GND2
2
3
NC
1
+5V
3
PHR-5
1
LTOD
3
3
2
1
COM
LPSL
LLSW
ON
3
2
GND2
LPFCL
1
13
6
3
11
12
8
9
ELP-15V
4
15
10
2
7
5
14
10
16
14
1
18
12
5
+5V
GND1
11
17
LTCL
7
GND2
GND2
LPSL(+24V)
+24V
CN-C
+24V
15
+5V
4
13
LTOD
20
22
9
B24B-PHDSS-B
2
8
/LPED
+5V
23
+5VR
24
3
/LTD
+5V
19
GND2
LPFCL
21
GND2
NC
3
2
1
COM
LOSW
ON
15
16
17
18
13
14
13
14
15
16
17
18
11
2
2
33
2
1
3
4
5
6
+24V
+24V(LOSW)
GND2
CN-D
B10B-PHDSS-B
2
1
1
2
7
9
10
GND2
GND2
8
+24V(LOSW)
GND2
GND2
7
9
ELP-12V
6
Earth
+5V
3
2
1
LCD
LCD
GND2
ELP-02V
ELR-02V
1
3
ELP-03V
2
3
2
1
3
2
1
2
3
1
ELR-03V
SMP-03V-NC
SMR-03V-N
SMR-03V-N
SMP-03V-NC
SMP-03V-NC
SMR-02V-N
SMP-02V-NC
SMR-03V-N
LLD
LLD
+5V
1
GND2
2
3
3
2
1
2
3
1
SMP-03V-NC
SMR-03V-N
1
SMP-03V-NC
3
2
SMR-03V-N
2
1
3
GND2
1
3
+5VR
2
/LTD
LTD
1
2
1
2
ELR-04NV
ELP-04NV
4
3
4
3
GND2
GND2
+5V
EXIN2
EXIN1
+24V(LLSW)
+24V
/RXD
B11B-PH-K-S
11
GND2(VD)
TEST
9
/RES
4
3
N.C.
5
2
CN-F
/TXD
7
TXD
6
MD
8
10
RES
+5V(VD)
FVpp
1
GND1
12
GND1
13
+24V(LOSW)
14
SMR-03V-N
SMP-03V-NC
3
2
1
2
1
3
AR-D19N
LTCL
3
2
1
+24V
N.C.
LTCL
/LUD
6
1
13
6
3
11
12
8
9
ELR-15V
4
15
10
2
7
5
14
7
9
ELR-12V
6
N.C.
N.C.
TXD-LCC
RXD-LCC
/DTR-LCC
/DSR-LCC
RES-LCC
F.G.
+5V
GND2
+24V
GND1
/TRC-LCC
N.C.
N.C.
DH L
F.G.
DH N
179228-3
PS-187-3V
FPS-187
PHR-3
CZHR-03V-S
PHR-3
179228-3
100V 10W
Input lift motor 
encoder
Paper feed clutch
LCC transport motor
Tray upper limit 
sensor
Paper feed 
solenoid
Upper limit switch
Tray paper sensor
Main unit connection
Main unit connection
sensor
Upper open/close 
switch
<Paper feed unit>
Heater (Japan only)
Cassette detection
Lift motor
Lower limit sensor
Paper transport 
sensor
Paper transport 
clutch
AR-LC8  ELECTRICAL SECTION  9 - 3
3. Circuit diagram
A
B
C
D
8765
4
3
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
8765
4
3
1
1
2
2
3
4
5
6
7
8
D
C
B
A
NO ASSEMBLY
NO ASSEMBLY
NO ASSEMBLY
+24V
CN-A(B12B-PHDSS-B)
12
34
56
78
91
0
11
12
TXD-LCC
GND1
N.C.
N.C.
+5V
GND2
RXD-LCC
/DTR-LCC
/DSR-LCC
RES-LCC
/TRC-LCC
LCD
3
LLM
2
1
CN-B(B8B-PH-K-S)
8
+5V
7
6
GND2
5
4
LRE
LLD
LLM(GND)
+5V
+24V
LTLSL
GND2
GND2
CN-C(B24B-PHDSS-B)
12
34
56
78
91
0
11
12
GND2
+5V
/LPED
/LUD
LPFCL
LPSL(24V)
+24V
+5V
GND2
+24V
13
14
15
16
LTCL
LTM
+5V
LTM-T
EXIN2
17
18
/LTD
LTOD
EXIN1
+5V
+5VR
GND2
GND2
GND2
20
19
21
22
24
23
GND2
GND1
MD
CN-F
(B11B-PH-K-S)
/RXD
TXD
11
5
8
2
/TXD
/RES
TEST
RES
10
4
7
1
N.C.
+5V(VD)
GND2(VD)
FVpp
6
9
3
NO ASSEMBLY
CN-D(B10B-PHDSS-B)
1
2
3
4
5
6
+24V
GND2
+24V(LOSW)
+24V(LOSW)
GND2
+24V(LLSW)
7
8
GND2
GND2
2-7A
1-5C
NO ASSEMBLY
2-8A
2-8A
1-3C
1-4C
2-8A
1-3C
2-8A
1-5C
2-8A
1-4C
1-4B
2-8B
2-8C
2-4C
1-7C
2-4B
2-2B
2-4C
1-6D
1-7C
1-6D
2-4D
1-5D
+5V
+5V
+24V(LOSW)
91
0
GND2
+24V
CN-E(B14B-PHDSS-B)
12
34
56
78
91
0
GND1
LTM-CLK
GND1
GND2
12
11
13
14
N.C.
N.C.
CN-G(B2B-PH-K-S)
1
2
+24V
LED-M
NO ASSEMBLY
3
1
2
3
1
2
B
C
E
B
C
E
3
1
2
3
1
2
B
C
E
B
C
E
3
1
2
3
1
2
B
C
E
3
1
2
3
1
2
B
C
E
B
C
E
B
C
E
1
3
2
5
6
7
A0
1
A1
2
A3
3
Vss
4
Vcc
8
WP
7
SCL
6
SDA
5
Xin
1
VDD
8
Xout
2
S0
7
S1
3
FSOUT
6
LF
4
VSS
5
COM
9
I1
1
I2
2
I3
3
I4
4
I5
5
I6
6
I7
7
GND
8
O1
16
O2
15
O3
14
O4
13
O5
12
O6
11
O7
10
PB1/AN1
1
PB0/AN0
2
AVss
3
TEST
4
X2
5
X1
6
Vss
7
OSC1
8
OSC2
9
RES
10
P90/FVpp
11
P91
12
P92
13
P93
14
P94
15
IRQ0
16
P60 17
P61 18
P62 19
P63 20
P64 21
P65 22
P66 23
P67 24
P50/INT0 25
P51/INT1 26
P52/INT2 27
P53/INT3 28
P54/INT4 29
P55/INT5/ADTRG 30
P56/INT6/
TMIB
31
P57/INT7 32
Vcc
33
P73
34
P74/TMRIV
35
P75/TMCIV
36
P76/TMOV
37
P77
38
P80/FTCI
39
P81/FTOA
40
P82/FTOB
41
P83/FTIA
42
P84/FTIB
43
P85/FTIC
44
P86/FTID
45
P87
46
P20/SCK3
47
P21
/RXD
48
P22/TXD
49
P32/SO1
50
P31/SI1
51
P30/SCK1
52
P10/TMOW
53
P14/PWM
54
P15/IRQ1
55
P16/IRQ2
56
P17/IRQ3/TRGV
57
AVcc
58
PB7/AN7
59
PB6/AN6
60
PB5/AN5
61
PB4/AN4
62
PB3/AN3
63
PB2/AN2
64
D13
DAN202K
D9
DAP202K
Q18
RT1N141C
R65
4.7k
RES-LCC
CNA-11
RXD-LCC
CNA-8
/DTR-LCC
CNA-9
TXD-LCC
CNA-7
Q15
RT1N141C
/DSR-LCC
CNA-10
D14
DAN202K
/TRC-LCC
CNA-12
R70
4.7k
R72
1k
R71
4.7k
D8
DAP202K
C35
473Z/16V
C34
222Z/50V
Q14
RT1N141C
Q17
RT1N141C
D15
DAN202K
D10
DAP
202K
Q16
RT1N141C
+24V
CNA-1
GND1
CNA-2
L2
MMZ1608
S121AT
C28
473Z/16V
JP2
GND2
C30
47uF/35V
+
C31
223Z/50V
C18
222Z/50V x 5
C2
R35
10k
C19
LRE
CNB-3
R36
10k
/LPED
CNC-14
R4
10k
LLD
CNB-4
R5
4.7k
/LUD
CNC-13
R11
10k
R12
10k
/LTD
CNC-15
LTOD
CNC-16
LTM
CNE-11
LPSL(24V)
CNC-5
LTCL
CNC-4
LPFCL
CNC-2
D1
DAN202K
D4
DAP202K
LTMCLK
CNE-9
Q20
RT1N141C
Q19
RT1N141C
R10
10k
R25
10k
EXIN1
CNC-17
R34
10k
C17
C12
LTM-T
CNE-10
R14
10k
R63
10k
R33
10k
R73
10k
C37
C16
R26
10k
R9
10k
C1
47uF
35V
+
C8
473Z
16V
GND1
CNC-6
GND2
CNB-6
GND2
CNC-7
GND2
CNC-8
GND2
CNC-9
+5V
CNC-22
+5V
CNC-20
+5V
CNC-19
+5V
CNB-2
+5V
CNB-1
Q4
RT1N141C
R13
4.7k
C3
C7
222Z/50V
R66
10k
GND2(VD)
CNF-10
C29
473Z/16V
+24V
CNB-10
LTLSL
CNB-8
R21
220J(1/4W)
+5VR
CNC-24
GND2
CNB-5
GND2
CNC-11
GND2
CNC-12
GND2
CND-3
GND2
CND-4
+24V
CND-8
GND2
CNA-6
+5V
CNA-5
C27
47uF/35V
+
/LCD
CNE-2
R64
10k
R74
10k
C38
+5V
CNC-21
R28
10k
EXIN2
CNC-18
R24
10k
C11
222Z/50V x 5
R39
0J
R40
0J
TR4
2SB1240
R62
2.4kJ(1/4W)
R61
1.5KJ(1/2W)
D7
1SR153-400
GND1
CNE-12
F3
ICP-N20
+24V
CNB-7
+24V
CNC-1
+24V
CNC-3
F1
ICP-N15
ICP-N15
F2
R31
0J
X1
CSTS0737MG03
R30
1MJ
IC5B
BA10393F
+
-
C15
473Z/16V
R47
4.7k
R38
10k
JP3
+5V
R41
4.7k
L3
MMZ1608
S121AT
L1
MMZ1608S121AT
C13
222Z/50V
C14
473Z/16V
JP1
VD
IC3
CAT24WC04
R17
4.7k
+5V(VD)
CNF-6
R32
4.7k
R15
4.7k
R16
4.7k
R42
4.7k
ZD5
RD22FB
R48
1.5KJ(1/2W)
GND2
CNE-3
GND2
CND-7
GND2
CNE-4
GND2
CND-6
GND2
CND-9
R22
3.3k
C10
103Z/50V
C6
473Z
16V
IC1
FS781
R29
0J
IC4
TD62003AP
IC2
HD64F3644H
+5V
CNC-23
+5V
CNE-1
GND2
CNC-10
GND1
CNE-13
+24V
CNG-1
LED-M
CNG-2
+5V
+5V
+5V
+24V
+5V
+24V
+5V
VD
+24V
VD
VD
VD
VD
VD
VD
VD
VD
VD
VD
VD
+24VM
LOSW LLSW
RES
TXD
TEST_SW
FVpp
LED_K
KAKITEI
/TXD
/TXD
DTR
DTR
/RES
/RES
/TRC
/TRC
/RXD
/RXD
DSR
DSR
LLM_A
LLM_B
LLM_C
(1/2)
Page of 48
Display

Click on the first or last page to see other AR-LC8 service manuals if exist.

RANDOM: