Sharp MX-M350N / MX-M350U / MX-M450N / MX-M450U (serv.man4) Service Manual ▷ View online
MX-M350/M450 CIRCUIT DIAGRAM / 回路図 3 - 22
BATTERY
BATTERY
ON <-> OFF
6
1
7
2
5
4
4
3
0
BT_OK
9
BT_CK
9
SRAM_PW
EXTRST
9,21
EXTRSTB
21
IOD[15:0]
7,9,10,26
IOA0
7,26
IOA0-
7,26
+5V1
3.3BT
+12V2
+5V1
+5V1
VBT
3.3BT
ICT15
IC64E
74LCX14MTC
11
10
ICT914
Q3
DTC114EUA
1
2
3
ICT995
ICT874
R483
0
NO ASM
NO ASM
R484
0
R204
1K
ICT1382
R485
0
D10
DAP202U
2
1
3
D9
RLS-73
ICT1823
R486
0
NO ASM
NO ASM
D8
RLS-73
+
-
IC39A
LM393D
3
2
1
8
4
JP6
T3B-SQ
3
1
2
R202
82K
R208
10K
R203
10K
ICT769
BT1
CR2450
CR2450
ICT626
IC64C
74LCX14MTC
5
6
+
C179
10uF/16V
10uF/16V
IC64A
74LCX14MTC
1
2
D7
DAP202U
NO ASM
NO ASM
2
1
3
D12
RB451F
2
1
3
R215
3.3K
ICT196
ICT1208
ICT913
ICT873
ICT1384
R205
1K
C197
0.1uF
3
2
1
3
2
1
D
C
B
A
11/26
MX-M350/M450 CIRCUIT DIAGRAM / 回路図 3 - 23
SCANNER1
[RIC I/F (SIO#5)]
S2_DBL-
SLCDD00
SLCDD21
S2_DATA1+
S2_DATA0-
S1_CLK+
S1_DATA1+
S1_DATA0-
SLCDD01
SM_P
SLP_P
SLCDD11
S1_CLK-
SLCDD31
S1_DBL+
SLCDD30
SLP_M
S1_DATA1-
SLCDD10
DTR_SCN
S2_DATA1-
S1_DBL-
S2_CLK-
S1_DATA0+
SFRAME_P
SM_M
TXD_SCN
SCP_M
S2_DATA0+
DSR_SCN
SFRAME_M
S2_CLK+
RXD_SCN
S2_DBL+
SCP_P
SLCDD20
S2_DATA1+
S2_DATA1-
S2_DATA0-
S2_DATA0+
S1_DATA0+
S1_DATA0-
S1_DATA1-
S1_DATA1+
WAKE_UP
22
RES_SCN
21
LCD_VEE
10,26
LCDDIS
10
RXD_SCN
13
DSR_SCN
13
TXD_SCN
13
DTR_SCN
13
S1_CLK+
S1_DATA0+
S1_DATA1+
S1_DBL+
S1_DATA0+
S1_DATA1+
S1_DBL+
S2_DBL+
S2_DATA0+
S2_DATA1+
S2_DATA1+
S2_CLK+
SLCDD01
10
SLCDD11
10
SLCDD21
10
SLCDD31
10
SM_P
10
SFRAME_P
10
SLP_P
10
SCP_P
10
S1_DBL-
S1_DATA0-
S2_DATA0-
S1_DATA1-
S1_CLK-
S2_DBL-
S2_CLK-
S2_DATA1-
SLCDD00
10
SLCDD10
10
SLCDD20
10
SLCDD30
10
SM_M
10
SFRAME_M
10
SLP_M
10
SCP_M
10
POF
13,21
SCN_VCCW
26
LED_ON
13
SLEEP
13
RES_MFP_S
21
SCN_SET
9
RTS5
9
CTS5
9
DSR5
9
TXD5
9
RXD5
9
DTR5
9
RTS4
9
TXD4
9
RXD4
9
CTS4
9
+24V3
+5V2
+12V1
+5V1
+5V1
+3.3V2
ICT994
IC42
HIN207ECB-T
7
6
6
18
19
21
19
21
5
22
17
17
2
3
1
24
20
3
1
24
20
4
23
16
23
16
10
12
13
14
11
15
9
8
T1IN
T2IN
T3IN
T4IN
T5IN
T2IN
T3IN
T4IN
T5IN
R1OUT
R2OUT
R3OUT
R2OUT
R3OUT
T1OUT
T2OUT
T3OUT
T4OUT
T5OUT
T2OUT
T3OUT
T4OUT
T5OUT
R1IN
R2IN
R3IN
R2IN
R3IN
C1+
C1-
C2+
C2-
V+
V-
VCC
GND
Q1
ICP-S1.2
1
2
1
2
CN14
HIF3FC-10PA
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
CD
RXD
TXD
DTR
GND
DSR
RTS
CTS
NC
RXD
TXD
DTR
GND
DSR
RTS
CTS
NC
C188
0.1uF(1608)
R435
4.7K
ICT991
C205
0.1uF(1608)
ICT1804
ICT1874
ICT993
C181
0.1uF(1608)
ICT1875
ICT1806
ICT1342
C195
0.1uF
Q28
ICP-S1.2
1
2
1
2
R434
4.7K
ICT791
ICT992
ICT1805
ICT1343
ICT849
F1
T1.25A/250V
1
3
2
4
CN702
8AL068S-305C3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
52
53
54
55
56
57
58
59
60
61
62
63
64
53
54
55
56
57
58
59
60
61
62
63
64
51
65
66
67
68
66
67
68
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
52
53
54
55
56
57
58
59
60
61
62
63
64
53
54
55
56
57
58
59
60
61
62
63
64
51
65
66
67
68
66
67
68
C206
0.1uF(1608)
5
4
3
5
4
3
D
C
B
A
MFP CONTROL PWB (SCANNER I/F)
MX-M350/M450 CIRCUIT DIAGRAM / 回路図 3 - 24
2_DATA1+
16
2_DATA1-
16
2_CLK-
16
A1+
S2_CLK-
A1-
S2_CLK+
2_DBL+
16
S2_DBL-
2_DATA0-
16
2_DATA0+
16
+
2_CLK+
16
S2_DBL+
2_DBL-
16
1_DATA0+
16
S1_CLK-
1_CLK+
16
1_DATA0-
16
1_DATA1-
16
1_DBL-
16
1_DATA1+
16
S1_DBL-
S1_CLK+
1_CLK-
16
1_DBL+
16
+
S1_DBL+
L739
MMZ1608D121BTA00
1
2
RV26
AVR-M1608C270KT2A
B
L716
MMZ1608D121BTA00
1
2
4
C-10PA-2.54DSA(71)
L740
MMZ1608D121BTA00
1
2
RV21
AVR-M1608C270KT2A
B
L714
MMZ1608D121BTA00
1
2
RV16
AVR-M1608C270KT2A
B
L737
MMZ1608D121BTA00
1
2
RV17
AVR-M1608C270KT2A
B
L742
MMZ1608D121BTA00
1
2
L719
MMZ1608D121BTA00
1
2
RV20
AVR-M1608C270KT2A
B
RV18
AVR-M1608C270KT2A
B
RV19
AVR-M1608C270KT2A
B
L718
MMZ1608D121BTA00
1
2
RV27
AVR-M1608C270KT2A
B
L741
MMZ1608D121BTA00
1
2
L721
MMZ1608D121BTA00
1
2
RV24
AVR-M1608C270KT2A
B
RV14
AVR-M1608C270KT2A
B
RV25
AVR-M1608C270KT2A
B
RV15
AVR-M1608C270KT2A
B
L720
MMZ1608D121BTA00
1
2
L738
MMZ1608D121BTA00
1
2
RV22
AVR-M1608C270KT2A
B
L717
MMZ1608D121BTA00
1
2
L715
MMZ1608D121BTA00
1
2
RV23
AVR-M1608C270KT2A
B
RV13
AVR-M1608C270KT2A
B
L744
MMZ1608D121BTA00
1
2
RV12
AVR-M1608C270KT2A
B
L743
MMZ1608D121BTA00
1
2
3
2
1
3
2
1
D
C
B
A
12/26
MX-M350/M450 CIRCUIT DIAGRAM / 回路図 3 - 25
Normal : HiZ
Sleep : L
(L73
1-
1-
VIDEO0
17
MSW_MON
RES_PCU
RES_PCU
21
PCU_VCCW
26
CN_DTEN
CN_HSYNC
POF
12,21
CN_DSR3
CN_RXD3
VIDEO1
17
CN_TXD3
CN_HSYNC
BUP_PR
15
PROFF_CNT
9
PROFF_CNT2
10
OPLEDON
10
FRDY
25
LED_ON
12
CN_DTR3
CNTFAN_MON 17
HDDFAN_MON
17
+12V_FAN
21
CN_DTEN
DCCNT2
PRDY
9
SLEEP
12
+12V2
+12V2
+3.3V2
+5V1
+5V1
+12V2
+3.3V2
+12V1
+24V3
+5V2
+12V2
3.3V
+
C1047
47uF/16V
NO ASM
47uF/16V
NO ASM
BR742
200
Ω
1
2
3
4
5
6
7
8
6
7
8
+5V2
1
R1120
10K
C1004
100pF
R1363
0(5025)
NO ASM
ICT2072
Q13
DTC114EUA
1
2
3
R977
10K
BR733
3.3K
Ω
1
2
3
4
5
6
7
8
6
7
8
+
C168
47uF/16V
ICT2297
+
C167
47uF/16V
+24V3
1
+12V1
1
+
C1033
47uF/16V
C1034
0.1uF
+3.3V2
1
R1122
10K
+
C1032
47uF/16V
L753
DSS6NZ82A103Q55B
1
2
3
R1361
0(5025)
+5V1
1
+
C951
10uF/35V
R1360
0(5025)
D23
RLS-73
Q10
DTA114EUA
1
3
2
E
C
B
ICT2073
R1362
0(5025)
NO ASM
D24
RLS-73
ICT2016
Q14
DTA114EUA
1
3
2
E
C
B
L732
MMZ1608D1
1
CN8
TX24-80R-LT-H1
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
NC
NC
PCU_VCCW
NC
GND
GND
HSYNC
GND
GND
GND
DTEN
GND
GND
GND
VIDEO1
VIDEO0
GND
GND
+12V_FAN
+12V2
+12V2
GND
+3.3V2
+3.3V2
+3.3V2
+3.3V2
GND
HDD-VCC
HDD-VCC
GND
+5V1
+5V1
+5V1
+5V2
+5V2
GND
+24V3
+24V3
GND
+12V1
NC
PCU_VCCW
NC
GND
GND
HSYNC
GND
GND
GND
DTEN
GND
GND
GND
VIDEO1
VIDEO0
GND
GND
+12V_FAN
+12V2
+12V2
GND
+3.3V2
+3.3V2
+3.3V2
+3.3V2
GND
HDD-VCC
HDD-VCC
GND
+5V1
+5V1
+5V1
+5V2
+5V2
GND
+24V3
+24V3
GND
+12V1
DTR_PCU
DSR_PCU
TXD_PCU
RXD_PCU
POF
MSW_MON
RES_PCU
NC
BUP_PR
DCCNT
HDDFAN_MON
CNTFAN_MON
PWM
GND
GND
GND
GND
GND
GND
GND
GND
GND
+12V_FAN
+12V2
+12V2
+12V2
GND
+3.3V2
+3.3V2
+3.3V2
+3.3V2
+3.3V2
+3.3V2
+3.3V2
GND
HDD-VCC
HDD-VCC
HDD-VCC
GND
+5V1
+5V1
+5V1
+5V2
+5V2
+5V1
+5V1
+5V2
+5V2
GND
+24V3
+24V3
+24V3
GND
+12V1
D27
RB451F
2
1
3
+12V2
1
D29
RB451F
2
1
3
L731
MMZ1608D1
1
Q4
DTC114YUA
1
2
3
D26
RB451F
2
1
3
ICT1650
ICT2015
D28
RB451F
2
1
3
R1121
10K
BR704
200
Ω
1
2
3
4
5
6
7
8
6
7
8
L751
DSS6NZ82A103Q55B
NO ASM
1
2
3
C172
0.1uF
IC43C
74LCX14MT
5
6
Q11
DTC114EUA
1
2
3
ICT1980
L754
DSS6NZ82A103Q55B
1
2
3
5
4
3
5
4
3
D
C
B
A
MFP CONTROL PWB (ENGINE I/F CN)
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