Sharp MX-M232D (serv.man4) Service Manual ▷ View online
MX-M182 MAIN PWB 1 - 16
FAX_RXD_D
FAX_CTS_D
FAX_RXD_CS
FAX_CTS_CS
FAX_WAKEUP
FAX_TXD_
D
FAX_RTS_
D
FAX_TXD_CS
FAX_RTS_CS
FAX_RXD_D
FAX_CTS_
D
FAX_RXD_CS
FAX_CTS_CS
FAX_TXD_
D
FAX_RTS_
D
FAX_TXD_CS
FAX_RTS_CS
nCNCT_FAX
FAX_WAKEUP
RES_FAX
POFF_FAX
/FAX_RTS_D#
/FAX_RTS_CS#
/FAX_CTS_D#
/FAX_CTS_CS#
FAX_RTS_
D
FAX_RTS_CS
/FAX_CTS_D
/FAX_CTS_CS
/FAX_CTS_D#
/FAX_CTS_CS#
nCNCT_FAX
FAX_PWON
/FAX_TXD_D#
/FAX_RTS_D#
/FAX_TXD_CS#
/FAX_RTS_CS#
/FAX_RXD_D#
/FAX_RXD_CS#
24V
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
/FAX_TXD_CS
[12]
/FAX_TXD_D
[12]
/FAX_RTS_CS
[12]
/FAX_RTS_D
[12]
/FAX_RXD_
D
[12]
/FAX_RXD_CS
[12]
/FAX_CTS_CS
[12]
/FAX_CTS_D
[12]
FAX_WAKEUP
[2]
RES_FAX
[2]
POFF_FAX
[2]
nRESET_NB
[1,
9
,12]
POF_NB
[9
,12]
nFAX_PWON
[2]
nCNCT_FAX
[2]
R883
0J
R883
0J
R86
9
33J
R86
9
33J
NB772NB772
NB630NB630
R8
9
7
33J
R8
9
7
33J
BR64
10kJx4
BR64
10kJx4
1
2
3
4
8
7
6
5
NB855NB855
R877
0J
R877
0J
NB
9
24
NB
9
24
R865
100J
R865
100J
R
9
00
100J
R
9
00
100J
Q821
NM_KRC102S_SRC1202S
Q821
NM_KRC102S_SRC1202S
2
1
3
R351
33J
R351
33J
NB770NB770
R880
0J
R880
0J
R887
NM_R
R887
NM_R
C26
100p
C26
100p
R8
9
2
NM_R
R8
9
2
NM_R
R878
0J
R878
0J
R867
100J
R867
100J
Q820
NM_KRC102S_SRC1202S
Q820
NM_KRC102S_SRC1202S
2
1
3
R874
33J
R874
33J
NB885NB885
NB673NB673
NB635NB635
R88
9
10kJ
R88
9
10kJ
R87
9
0J
R87
9
0J
R8
9
6
33J
R8
9
6
33J
NB882NB882
CN147
B18B-PUDSS-
1
CN147
B18B-PUDSS-
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
NB588NB588
NB671NB671
R882
0J
R882
0J
R8
9
3
NM_R
R8
9
3
NM_R
R8
99
100J
R8
99
100J
Q818
NM_KRC102S_SRC1202S
Q818
NM_KRC102S_SRC1202S
2
1
3
R8
9
1
NM_R
R8
9
1
NM_R
NB856NB856
R866
100J
R866
100J
Q824
NM_KRC102S_SRC1202S
Q824
NM_KRC102S_SRC1202S
2
1
3
R885
10kJ
R885
10kJ
C27
100p
C27
100p
Q823
NM_KRC102S_SRC1202S
Q823
NM_KRC102S_SRC1202S
2
1
3
NB670NB670
NB618NB618
R886
NM_R
R886
NM_R
NB58
9
NB58
9
R875
33J
R875
33J
R8
9
0
NM_R
R8
9
0
NM_R
R876
0J
R876
0J
NB
9
23
NB
9
23
C61
0.1u
C61
0.1u
Q825
KRC102S_SRC1202S
Q825
KRC102S_SRC1202S
2
1
3
R8
9
5
33J
R8
9
5
33J
NB634NB634
Q81
9
NM_KRC102S_SRC1202S
Q81
9
NM_KRC102S_SRC1202S
2
1
3
C12
100p
C12
100p
NB603NB603
NB617NB617
NB642NB642
NB884NB884
R884
10kJ
R884
10kJ
Q822
NM_KRC102S_SRC1202S
Q822
NM_KRC102S_SRC1202S
2
1
3
BR10
10kJx4
BR10
10kJx4
1
2
3
4
8
7
6
5
R888
10kJ
R888
10kJ
R8
9
8
100J
R8
9
8
100J
R864
100J
R864
100J
R881
0J
R881
0J
IC23
74LCX244
IC23
74LCX244
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
1
9
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
VCC
20
GND
10
R
9
01
100J
R
9
01
100J
NB881NB881
NB
9
22
NB
9
22
NB638NB638
R8
9
4
33J
R8
9
4
33J
R868
33J
R868
33J
NB605NB605
C13
100p
C13
100p
16/16
1
2
3
4
1
2
3
4
AB
C
D
E
A
BC
D
E
MAIN PWB (FAX section)
MX-M182 KEY LED PWB 2 - 1
[2] KEY LED PWB
SCAN5
LED4
SCAN4
SENSE0
LED1
SENSE2
LED5
SCAN7
SCAN8
LED3
H_LED
/LEDOUT1
SENSE1
/LEDOUT2
/LEDOUT3
/LEDOUT4
/LEDOUT5
/LEDOUT6
/LEDOUT7
SCAN6
SCAN1
SCAN2
SCAN3
SCAN0
LED2
DGND
/LEDENABLE
/LEDLA
TCH
LEDSI
LEDCLK
3.3V
SENSE3
BZ_PWM
ST_KEY
ST_LED
3.3V
3.3V
3.3V
ST_LED
ST_KEY
ST_LED
ST_KEY
(ONL)
LED
9
(ONL)
LED
9
KEY18
(**)
KEY18
(**)
(**)
LED7
(**)
LED7
R13
1
50J
KEY13
(SHPK)
KEY13
(SHPK)
KEY11
(ASTK)
KEY11
(ASTK)
(INTL)
LED11
(INTL)
LED11
(**)
LED2
(**)
LED2
R2
N.M.
R2
N.M.
KEY15
(PSWK)
KEY15
(PSWK)
(PSL)
LED6
(PSL)
LED6
TP
9
TP
TP
9
Q1
KRA225S
Q1
KRA225S
3
2
1
KEY33
(**)
KEY33
(**)
KEY25
(**)
KEY25
(**)
TP10TP10
R7
0J
R7
0J
C4
200p
C4
200p
(**)
LED5
(**)
LED5
KEY6
(**)
KEY6
(**)
R11
1
50J
R6
N.M.
R4
0J
R4
0J
TP5TP5
TP4TP4
KEY30
(NM1K)
KEY30
(NM1K)
(**)
LED4
(**)
LED4
(INFO)
LED1
(INFO)
LED1
TP6TP6
KEY2
9
(**)
KEY2
9
(**)
TP3TP3
KEY10
(**)
KEY10
(**)
+
C1
47u/16V
+
C1
47u/16V
C6
0.1u
C6
0.1u
R14
1kJ
KEY22
(**)
KEY22
(**)
C2
200p
C2
200p
LEDM1
LT
C-3650A
G-02J
LEDM1
LT
C-3650A
G-02J
c
1
d
3
Dig1
2
D.P
6
b
7
Dig2
4
f
8
Dig3
5
a
9
e
10
g
11
R12
1
50J
TP11TP11
TP7TP7
TP1TP1
TP2TP2
R5
0J
R5
0J
KEY21
(NM
9
K)
KEY21
(NM
9
K)
KEY12
(NM0K)
KEY12
(NM0K)
KEY16
(**)
KEY16
(**)
(**)
LED8
(**)
LED8
KEY1
(**)
KEY1
(**)
KEY3
(**)
KEY3
(**)
KEY17
(**)
KEY17
(**)
KEY31
(NM2K)
KEY31
(NM2K)
(**)
LED10
(**)
LED10
C3
200p
C3
200p
KEY4
(**)
KEY4
(**)
KEY5
(**)
KEY5
(**)
KEY20
(NM8K)
KEY20
(NM8K)
KEY8
(**)
KEY8
(**)
TP8TP8
KEY7
(**)
KEY7
(**)
R3
N.M.
R3
N.M.
KEY26
(NM4K)
KEY26
(NM4K)
KEY2
(**)
KEY2
(**)
R1
0J
R1
0J
(**)
LED3
(**)
LED3
R
9
470J
R
9
470J
IC1
STP08CP05
IC1
STP08CP05
R-EXT
15
SERIAL-IN
2
LA
TCH
4
ENABLE
13
OUT0
5
CLOCK
3
OUT1
6
OUT2
7
OUT3
8
OUT4
9
OUT5
10
OUT6
11
OUT7
12
SERIAL-OUT
14
VCC
16
GND
1
KEY32
(NM3K)
KEY32
(NM3K)
C5
200p
C5
200p
KEY23
(**)
KEY23
(**)
KEY34
(INTK)
KEY34
(INTK)
KEY24
(**)
KEY24
(**)
KEY
9
(**)
KEY
9
(**)
BZ1
PS1720P02
BZ1
PS1720P02
1
2
R8
N.M.
R10
1
50J
KEY14
(**)
KEY14
(**)
KEY1
9
(NM7K)
KEY1
9
(NM7K)
CN1
04
6232
128
015
800+
CN1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
9
20
21
22
23
24
25
26
27
28
KEY28
(NM6K)
KEY28
(NM6K)
KEY27
(NM5K)
KEY27
(NM5K)
1/1
1
2
3
4
1
2
3
4
AB
C
D
E
AB
C
D
E
KEY
LED
PWB
MX-M182 LCD PWB 3 - 2
2/4
1
2
3
4
1
2
3
4
AB
C
D
E
AB
C
D
E
LCD
PWB
A0
/C
S
3
/R
D
/H
W
R
D1
5
D1
4
D1
3
D1
2
D1
1
D1
0
D
9
D8
3.3V
/R
D
1,4
/LC
D
R
E
S
1
/H
W
R
1,4
4,
10
A
/C
S
3
1
D[
1
5
..
0
]
1,4
R5
4
10K
J
R5
4
10K
J
D2
RB
5
2
1
S
-3
0
D2
RB
5
2
1
S
-3
0
TP
1
9
3
TP
1
9
3
B
R
41
100X
4
B
R
41
100X
4
1
8
2
7
3
6
4
5
TP
2
0
2
TP
2
0
2
TP
1
7
6
TP
1
7
6
C7
1
0.47uF
(2
012)
C7
1
0.47uF
(2
012)
C7
5
1uF
(2012)
C7
5
1uF
(2012)
TP
1
8
3
TP
1
8
3
B
R
42
100X
4
B
R
42
100X
4
1
8
2
7
3
6
4
5
TP
2
0
0
TP
2
0
0
R5
2
4
7
K
J
R5
2
4
7
K
J
CN7
0462400360138
9
4+
CN7
0462400360138
9
4+
VC
I1
36
C1
1
-
35
C1
1
+
34
C1
2
-
33
C1
2
+
32
VO
U
T
31
VSH
30
VM
2
9
VR
EF
M
28
VR
EF
L
27
C8
6
26
VSS
25
VD
D
24
VC
C
23
CS
B
22
A0
21
E
20
R/W
1
9
D8
18
D
9
17
D1
0
16
D1
1
15
D1
2
14
D1
3
13
D1
4
12
D1
5
11
VC
I2
10
C2
1
-
9
C2
1
+
8
C2
2
-
7
C2
2
+
6
VC
H
5
VC
L
4
CE
M
3
CE
P
2
R
ESB
1
C8
3
1uF
(1608)
C8
3
1uF
(1608)
R5
1
10K
J
(N
.M.)
R5
1
10K
J
(N
.M.)
C7
4
1uF
(2012)
C7
4
1uF
(2012)
C8
0
1uF
(1608)
C8
0
1uF
(1608)
C7
3
1uF
(2012)
C7
3
1uF
(2012)
C
9
2
1000p
F
(N
.M
.)
C
9
2
1000p
F
(N
.M
.)
TP
1
99
TP
1
99
C8
2
1uF
(1608)
C8
2
1uF
(1608)
TP
1
8
7
TP
1
8
7
TP
1
8
2
TP
1
8
2
C7
8
1uF
(1608)
C7
8
1uF
(1608)
C8
6
1uF
(1608)
C8
6
1uF
(1608)
TP
1
9
2
TP
1
9
2
C7
9
1uF
(1608)
C7
9
1uF
(1608)
TP
1
9
5
TP
1
9
5
C8
5
1uF
(1608)
C8
5
1uF
(1608)
C7
2
1uF
(2012)
C7
2
1uF
(2012)
TP
1
8
6
TP
1
8
6
TP
1
7
8
TP
1
7
8
TP
1
9
4
TP
1
9
4
TP
1
7
9
TP
1
7
9
TP
1
7
5
TP
1
7
5
C8
4
1uF
(1608)
C8
4
1uF
(1608)
TP
1
9
6
TP
1
9
6
TP
1
9
1
TP
1
9
1
TP
1
8
5
TP
1
8
5
TP
2
0
1
TP
2
0
1
TP
1
9
7
TP
1
9
7
TP
1
9
0
TP
1
9
0
TP
1
8
0
TP
1
8
0
TP
1
7
7
TP
1
7
7
C8
1
1uF
(1608)
C8
1
1uF
(1608)
TP
1
8
4
TP
1
8
4
TP
2
0
3
TP
2
0
3
R5
3
1
M
J
R5
3
1
M
J
TP
1
8
9
TP
1
8
9
TP
1
9
8
TP
1
9
8
TP
1
8
1
TP
1
8
1
C7
6
1uF
(1608)
C7
6
1uF
(1608)
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