Read Sharp MX-M350N / MX-M350U / MX-M450N / MX-M450U (serv.man4) Service Manual online
MX-M350/M450 CIRCUIT DIAGRAM / 回路図 3 - 85
4. MOTHER PWB / マザー PWB
8
8
7
7
6
6
5
5
D
C
B
A
+12V1
+5V2
+5V2
+5V2
+5V2
+5V2
+5V2
+5V2
+5V2
+5V1
+12V2
+12V_FAN
HDDFAN_MON
+5V1_B
+24V3
HDD_VCC(+5V1)
+12V2
PCU_VCCW
DTEN
VIDEO1
VIDEO0
DTR_PCU
DS R_PCU
TXD_PCU
RXD_PCU
POF
MSW_MON
RES_PCU
BUP_PR
CNTFAN_MON
DCCNT
PWM
PWM
GND
GND
GND
H SYNC
GND
+12V_FAN
GND
GND
+5V1
GND
GND
GND
GND
GND
GND
GND
GND
+12V1
+5V2
+5V1
+12V2
+12V_FAN
+5V1
+5V1_B
HDD_VCC(+5V1)
+24V3
+12V2
+5V1_B
+5V1
MOTHER PWB
NJM7812FA
0.8AH250V
MPD6S009
no-mounting
no-mounting
no-mounting
no-mou
no-mounting
no-mounting
no-mounting
IC2
MPD6S002T*
Vin
1
Vin
2
Vin
3
GND
4
GND
5
GND
6
GND
7
NC
8
Vout
Vout
Vout
Vout
Vout
Vout
Vout
Vout
Vout
GND
GND
GND
GND
GND
GND
GND
GND
GND
+
C3
470uF/16V`*
F1
3.15AH250V
C12
0.1uF
IC1
GND
2
VO
3
VI
1
+
C7
470uF/16V`
470uF/16V`
R1
6.2J 3W
C14
0.1uF
IC3
Vin
1
Vin
2
Vin
3
Vin
4
Vin
5
NC
6
GND
7
GND
8
GND
9
NC
10
GND
11
GND
12
GND
13
Vout
14
Vout
15
Vout
16
Vout
17
Vout
18
C4
4.7uF/16V*
TP_+24V3
1
2
C8
4.7uF/16V*
C11
0.1uF
TP1
+
C16
470uF/35V`
470uF/35V`
R2
10kJ 1/4W
C15
0.1uF
IC7
PST596
M/R
1
SUB
2
GND
3
Vout
4
Vcc
5
TP_GND
1
2
IC4
MPD5S023
Vin
1
Vin
2
Vin
3
GND
4
GND
5
GND
6
GND
7
GND
8
NC
9
Vout
10
Vout
11
Vout
12
Vout
13
GND
14
GND
15
GND
16
GND
17
GND
18
IC6
PST591
Vcc
1
GND
2
Vout
3
IC5
MPD-0634
Vin
1
ON/OFF
2
NC
4
NC
5
GND
GND
Adjust
Vout
Vout
NC(No pin)
3
TP_HDDVCC
1
2
F2
6.3AH250V
C17
4.7uF/50V*
C13
0.1uF
TP2
CN2
SLD30R-1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
25
23
24
24
26
27
28
27
28
21
22
22
29
30
30
F3
+
C1
100uF/35V
100uF/35V
TP_+5V1
1
2
J1
JUMPER1
1
2
+
C2
47
47
CN4
S08B-PASK-2
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
D1
DSM1D1
TP_12VFAN
1
2
CN3
B9PS-VH
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
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