Read Sharp UP-X300 (serv.man45) Service Manual online
UP-X300V
CIRCUIT DIAGRAM & PWB LAYOUT
5 – 20
usbp0m
usbp0p
usbp1m
usbp1p
usbp2p
usbp2m
usbp0mr
usbp0pr
usbp1pr
usbp1mr
oc#1
oc#0
oc#0
oc#1
usbp2m
usbp2p
usbp0m
usbp0p
usbp1p
usbp1m
usbp0p
usbp0m
usbp1p
usbp1m
usbp1pr
usbp1mr
usbp0pr
usbp0mr
KBDATA
KBCLK
PVCC
VCC
VCC
VCC
VCC2.5
VCC
VCC
USB_TouchPanel_MINUS
32
USB_TouchPanel_PLUS
32
CLK_USB
5
SouthBridge
(8/10)
TouchPanel
ch1:USB2.0
ch2:USB2.0
ch3:TouchPanel
CLOCK
USB
I/F
USBconnector
PowerLine
5Vmax1A
PS/2
I/F
C434
470PF
2
1
C459
10UF(3216)
2
1
FB42
BLM21P300S
F
1
B
2
C458
0.1UF
2
1
L10
DLW21SN900SQ2
4
1
2
3
C441
47PF
2
1
IC5G
VT8235_South_Bridge
PLLVDDA
D22
PLLVDDA
A23
PLLGNDA
B23
PLLGNDA
E22
USBP0+
A21
USBP0-
B21
USBP1+
E21
USBP1-
D21
USBP2+
A19
USBP2-
B19
USBP3+
E19
USBP3-
D19
USBP4+
A17
USBP4-
B17
USBP5+
E17
USBP5-
D17
USBOC0
A15
USBOC1
B15
USBOC2
C15
USBOC3
E15
USBOC4
D14
USBOC5
E14
USBCLK
D23
USB REXT
C23
KBCK/KA20G
V3
KBDT/KBRC
V2
MSCK/IRQ1
W2
MSDT/IRQ12
W1
FB44
BLM21P300S
F
1
B
2
C447
47PF
2
1
BR102
15K-4
1
8
2
7
3
6
4
5
R219
6.04K(+-1%)
1
2
C449
47PF
2
1
C703
47PF
2
1
C429
27PF
2
1
C705
47PF
2
1
C704
47PF
2
1
C706
47PF
2
1
C448
47PF
2
1
L9
DLW21SN900SQ2
4
1
2
3
CN18
UAR62W-8W-5300
FRAME
F1
FRAME
F2
VCC_A
A1
FRAME
F3
FRAME
F4
DAT-A
A2
DAT+A
A3
GND_A
A4
GND_B
B4
DAT+B
B3
DAT-B
B2
VCC_B
B1
C442
47PF
2
1
F6
miniSMDC075
C463
0.1UF
2
1
BR98
27-4
1
8
2
7
3
6
4
5
BR101
15K-4
1
8
2
7
3
6
4
5
FB45
BLM21P300S
F
1
B
2
BR104 22-4
1
8
2
7
3
6
4
5
BR103
4.7K-4
1
8
2
7
3
6
4
5
IC33
SMS05
2
2
1
1
5
5
3
3
4
4
6
6
CN32
87220-0611
4
6
2
1
7
5
3
9
8
C430
0.01UF
2
1
BR142
100K-4
1
8
2
7
3
6
4
5
BR105
15K-4
1
8
2
7
3
6
4
5
C443
47PF
2
1
FB34
BLM21PG600SN1
F
1
B
2
FB46
BLM21P300S
F
1
B
2
C437
0.1UF
2
1
C433
56UF/10V(samyoung-MVY)
+
-
C432
56UF/10V(samyoung-MVY)
+
-
R216
100K
1
2
FB32
BLM21PG600SN1
F
1
B
2
FB47
BLM21P300S
F
1
B
2
C431
0.01UF
2
1
FB31
BLM21PG600SN1
F
1
B
2
FB33
BLM21PG600SN1
F
1
B
2
C435
470PF
2
1
IC30
AIC1526-1CS
OUTA
8
ENA
1
VCC
7
FLGA
2
GND
6
OUTB
5
FLGB
3
ENB
4
BR97
27-4
1
8
2
7
3
6
4
5
R215
100K
1
2
FB40
ACB1608L-030
F
1
B
2
C436
10UF(3216)
2
1
FB39
ACB1608L-030
F
1
B
2
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
20/33
South USB & PS/2 I/F
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