Sharp AR-LC1 (serv.man2) Service Manual ▷ View online
(7) 24V power detection line
The line monitors 24V power. If the 24V power fed from the copier is not 24V, the level becomes L and the 24V power error is sent to the copier.
(8) Cassette detection line
This line has the same circuit as each sensor. When the LCC cassette door is opened, the CPU becomes at H level; when the door is closed, the
line is connected to GND and the CPU becomes at L level.
line is connected to GND and the CPU becomes at L level.
(9) LED lighting circuit
This is the LED lighting circuit for the cassette door switch.
When the CPU outputs the L signal, the LED comes on.
24V
R04
22K
22K
R05
4.7K
4.7K
55
P36/D6
5V
BR04
4.7K
4.7K
P26/A14
33
R84
10K
1000p
Drawer connector
5V
BR04
2.2K
2.2K
P27/A15
32
R03
220(1/4W)
220(1/4W)
LED
TD62504F
IC12E
11 – 3
8
7
6
5
4
3
2
1
A
B
C
D
1
2
3
4
5
6
7
8
D
C
B
A
X
1
8.00
M
H
z
C1
6
C1
3
C1
4
D0
1
D
0
2
D0
3
C0
5
0.1U
D0
7
D
0
8
C0
9
0.1U
C0
2
0.1U
C0
4
0.1U
R0
4
22
K
R0
5
4.7K
C
N
-A-12
C
N
-A-17
C
N
-A-23
C
N
-A-11
C
N
-B-1
C
N
-B-3
C
N
-B-5
C
N
-B-2
C
N
-B-4
C
N
-A-5
C
N
-A-7
C
N
-B-09
C
N
-B-10
C
N
-B-7
C
N
-B-8
C
N
-A-9
C
N
-A-10
C
N
-A-16
C
N
-A-22
C0
1
47
U/35
V
+
C0
3
47
U/35
V
+
C1
5
C
N
-A-14
C
N
-A-26
C1
2
C1
0
C
1
1
C0
7
47
U
+
R45
R
R46
R47
R48
R49
R50
R44
R52
R51
R6
2
R6
1
C
N
-A-8
C
N
-A-6
C
N
-A-28
C
N
-A-18
C
N
-A-27
+24
V
GND1
+5V
R0
3
22
0(1
/4W
)
C
N
-A-29
C
N
-A-2
C
N
-A-24
R6
3
D0
9
D0
5
R6
6
R6
5
R6
4
R5
9
R5
8
R5
7
R5
6
R5
5
C
N
-C-1
C
N
-A-13
C
N
-A-25
C
N
-A-19
D1
0
C
N
-A-20
R5
4
R4
1
R4
2
R4
3
C
N
-A-1
C
N
-B-6
R7
4
R7
3
R7
2
R75
IC1
2
F
TD
625
04F
6
11
IC1
2
G
TD
625
04F
7
10
IC0
4
A
U
L
N2
004
A
1
16
R
4.7K
R0
1
10
K
R7
8
10
K
R7
9
10
K
R8
0
10
K
R8
2
10
K
R8
3
10
K
R8
4
10
K
D2
3
IC0
4
B
U
L
N2
004
A
2
15
D2
4
IC1
2
E
TD
625
04F
51
2
R8
9
10
K
R0
2
2.2K
R9
1
22
K
R9
2
4.7K
R9
3
10
K
C
N
-A-30
IC0
1
H
8/329
4 FP
-64
A
P
50/TX
D
1
P47//WAIT
64
P
72/A
N
2
16
P73/AN3
P27/A15
P
26/A
14
33
P
10/A
0
48
P30/D0
49
P
51/R
X
D
2
P
52/S
C
K
3
/RE
S
4
/NM
I
5
VC
C
6
/S
TBY
7
VSS
8
XTAL
9
EXTAL
10
MD1
11
MD0
12
AVS
S
13
P
70/A
N
0
14
P
71/A
N
1
15
P74/AN4
P75/AN5
P76/AN6
P77/AN7
AVCC
P60/FTCI/TMCI0
P61/FTOA
P62/FTIA
P63/FTIB/TMRI0
P64/FTIC/TMO0
P65/FTID/TMCI1
P66/FTOB/TMRI1
P67/TMO1
VCC
P
25/A
13
34
P
24/A
12
35
P
23/A
11
36
P
22/A
10
37
P
21/A
9
38
P
20/A
8
39
VSS
40
P
17/A
7
41
P
16/A
6
42
P
15/A
5
43
P
14/A
4
44
P
13/A
3
45
P
12/A
2
46
P
11/A
1
47
P31/D1
50
P32/D2
51
P33/D3
52
P34/D4
53
P35/D5
54
P36/D6
55
P37/D7
56
P40//ADTRG//IRG
57
P41//IRQ1
58
P42//IRQ0
59
P43//RD
60
P44//WR
61
P45//AS
62
P46/CLK
63
R9
4
22
K
R9
5
22
K
R8
1
10
K
R9
6
22
0(1
/4W
)
R9
7
22
0(1
/4W
)
C
N
-A-15
C
N
-A-21
C3
5
0.1U
IC0
2
TD
625
04F
I3
3
I2
2
I1
1
I4
4
I7
7
I5
5
I6
6
O3
14
O2
15
O1
16
O4
13
O7
10
O5
12
O6
11
GND
8
NC
9
BR
01
4.7K
X
7
6 7 8 5 2 4 3
BR
02
4.7K
X
7
6 7 8 5 2 4 3
4.7K
X
5
BR
04
6 5 4 3 2
GND2
C
N
-C-6
C0
8
0.1U
D0
4
D
0
6
D
T
R-LC
C/
DS
R-
LC
C/
RX
D-
LC
C/
+24
V
RE
S-
L
C
C
/
TXD-LC
C
GND1
N.
C
RE
S-
L
C
C
N.
C
TXD-LC
C
YOBI
N.C
DS
R-
LC
C
DTR-LCC
DTR-LCC
N.C
N.C
RX
D-
LC
C
LTO
D
LU
D
N.C
N.C
N.
C
LC
D1
L
PED
LU
D
LP
FS
LP
FS
LP
LP
FS
LP
FS
/
LP
FC
/
N.
C
LL
M
U
LL
M
D
LL
M
D
N.
C
LD
S
W
LTO
D
LC
D1
LD
S
W
+24
O
U
T
LL
ED
+
2
4V(
L
LSW)
LR
E
/
N.C
/24VM
N.C
N.C
N.C
N.C
N.C
N.
C
N.
C
+5V
VC
C
/S
TBY
MD1 MD0
LD
D
LP
FC
LP
FC
LP
FC
LRE
LRE
XTAL
EXTAL
/NM
I
17
32
18
19
20
21
22
23
24
25
26
27
28
29
30
31
SW1-2
SW1-1
SW1-4
SW1-3
PWM/
N.C
SW2
N.C
DIR
N.C
N.C
N.C
RE
LLED/
VCC
VCC
LC
D2
LCD2
LL
M
U
LP
FD
LD
D
LP
FD
L
PED
AVS
S
GND2
+5V
+24
V
+5V
+5V
+24
V
+5V
+5V
+24
V
+5V
+5V
+
2
4V(
L
LSW)
+5V
+5V
+5V
+5V
+5V
+5V
+5V
PWM
/
DI
R
RE
LL
M
D
LL
M
U
1
SS1
33
x6
1
SS1
33
x2
1
SS1
33
x2
10
00P
X
5
COUGAR - LCC MAIN PWB
=
2-C2
2-C2
2-C2
2-B
2
2-B
2
1
SS1
33
1
SS1
33
4.7K
X
3
4.7K
X
1
1
4.7K
X
4
4.7K
X
1
0
10
00P
X
2
11 – 4
8
7
6
5
4
3
2
1
A
B
C
D
1
2
3
4
5
6
7
8
D
C
B
A
COUGAR - LCC MAIN PWB
IC0
9
A
LM
3
9
3
3
2
1
8
4
+
-
IC0
4
E
U
L
N2
004
A
51
2
IC0
4
F
U
L
N2
004
A
61
1
IC0
4
G
U
L
N2
004
A
7
10
IC0
6
SL
A6
01
2
IA
1
2
IB
1
8
IC1
9
VC
C
1
OA
3
OB
7
OC
10
GND
5
GND
12
IC2
11
IB
2
6
IA
2
4
C1
7
C
1
9
C2
2
C
2
3
C2
4
C2
6
0.1U
D1
7
D
1
8
D1
9
R1
6
10
K
R1
7
10
K
R1
8
10
K
R2
6
0.22
R2
8
20
0
C2
5
10
0U
/3
5V
+
R2
0
2.2K
R2
1
2.2K
R2
2
2.2K
R2
3
68
0
R2
4
68
0
R2
5
68
0
C
N
-C-3
C
N
-C-4
C
N
-C-5
C
N
-C-7
C
N
-C-8
C
N
-C-9
C2
1
0.1U
R1
4
2.2K
R1
5
2.2K
IC0
5
UP
C1
24
6
C
IN1
1
IN2
2
IN3
4
IN4
3
IN5
5
IN6
6
VC
C
8
VR
EF
10
OUT1
11
OUT3
12
OUT5
13
OUT6
14
OUT4
15
OUT2
16
RE
VERS
E
7
GND
9
R1
9
2.7K
D2
2
RD
1
1
EB
C1
8
C
2
0
D2
1
1
SS1
33
x2
R3
4
1
K
R3
6
1
K
IC0
7
STA4
5
7
C
1
1
6
6
5
5
10
10
9
9
4
4
8
8
3
3
2
2
7
7
R3
8
10
K
R3
9
10
K
R4
0
3.9K
C3
1
0.1u
F
C
N
-A-3
C
N
-A-4
C2
9
0.1U
R3
2
1K
(1/4W
)
FR
01
10
0(1
/4W
)
Q02
2S
C
147
2K
C3
0
0.1U
R3
7
1K
D2
0
R3
5
1
K
C
N
-C-2
R2
9
36
0
R2
7
2.4K
C2
7
0.1U
C3
4
0.1U
R7
7
10
K
IC1
2
D
TD
625
04F
41
3
IC1
2
A
TD
625
04F
11
6
IC1
2
B
TD
625
04F
21
5
IC1
2
C
TD
625
04F
31
4
IC0
9
B
LM
3
9
3
5
6
7
+
-
IC0
4
D
U
L
N2
004
A
41
3
IC0
4
C
U
L
N2
004
A
31
4
R8
5
2.2K
R8
8
1.2K
R8
7
1.2K
R8
6
1.2K
R7
6
10
K
D2
5
RD
1
8
F
B
1
R9
0
1K
(1/4W
)
F01
BR
15
2.2K
X
3
2 3 4
BR
07
1K
x3
2 3 4
BR
08
1K
x3
4 3 2
U
V
W
RE
/
LL
M
+
LL
M
-
HW
HV
HU
+10
V
+24
V
+5V
+10
V
+
2
4V(
L
LSW)
+24
V
+10
V
+10
V
+5V
+24
V
+5V
+24
V
+5V
DI
R
RE
LL
M
U
LL
M
D
PWM
0.1U
X
3
10
00P
X
4
IS
R12
4
-400
X
3
/1W
(1/4W
)
9
8
IC1
2
1-D2
1-D2
1-E
4
1-E
4
N.
C
8
IC0
4
9
1.25
A
/1
20V
T1.0A
/25
0V
1-D2
11 – 5
8
7
6
5
4
3
2
1
A
B
C
D
1
2
3
4
5
6
7
8
D
C
B
A
COUGAR - LCC MAIN PWB
24
V(OU
T)
LL
M+
24V(LP
FC)
24V(LP
FS)
5V(LUD)
LU
D/
GND
2
(LUD)
5V(
L
PFD)
LPFD/
G
N
D2
(L
PF
D)
5V(LDD)
LD
D/
GND
2
(LDD)
LD
SW/
LL
ED/
24V(LLSW)
LL
M-
LPFC/
LPFS/
5V(LPED)
LPED/
GND2(LPED)
5V(
L
TOD)
LTOD
/
GND
2
(L
TO
D)
5V(
L
RE)
LR
E/
GND
2
(L
RE)
LC
D1/
LC
D2/
CN-A (B30B-PHDSS)
CN-B (B10B-PHDSS)
TXD-LCC
DTR-LCC
RES-LCC
5V
24
V
RXD-LCC
DSR-LCC
GND
2
GND
2
GND
1
CN-C (B9B-EH-A)
5V
RE/
HU
HV
HW
GND
2
U
V
W
2
11
1
34
6
5
8
7
10
9
12
13
14
16
15
17
18
20
19
21
22
24
23
25
26
28
27
29
30
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
11 – 6
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