Sharp UP-3300 Service Manual page 72

8 7
CONNECTOR
VCC
C26
CHIP
47uF/25V
MOTHER CN
CN4A
1
01
2
D
02
3
03 /RDO
4
04 /WRO
5
A[0..23]
05
6
06
7 A23
07
8 A22
08
9 A21
09
10 A20
10
11 A19
11
12 A18
12
13 A17
13
14 A16
14
15 A15
15
16 A14
16
17 A13
17
18 A12
18
19 A11
19
A10
20
20
21 A9
21
22 A8
22
23 A7
23
24 A6
24
25 A5
25
26 A4
26
27 +24V A3
27
28
A2
28
29 A1
29
30 A0 VCC
30
C
31 /RESET
31
32
32 /OPTCS
33
R141
33
34
34 10K
35
35
36
36
37
37
38
38
VCC
39
39
40
40
R129
R131
4.7K 4.7K
CN4B
41
01
42
02
43
03 /RD
44
04 /EXWAIT
VCC
45
05 /BREQ
46
06 /BACK
47
07 /TRQ2
48
08 /TRQ1 R155
49
09 /EXINT1 4.7K
50
10 /EXINT0
51
11
52
12
53
13 /RFSH
54
14 /IPLON0
B
55 D15
15
56 D14
16
57 D13
17
58 D12
18
59 D11
19
60 D10
20
D9
61
21
62 D8
22
63 /POFF
23
VCKDC
64
24
65 +12V
25 +12V
66 A3
26
67 +24V
27 +24V
68
28
A2
69
29
70
30 /RES
71
31 /AS
72 /HWR
32
73
33 BANK
74
34
75
35
76
36
-12V
77
37 -12V
78
38
79
39
80
40
20 5061 080 053
A
8 7
6
CN9
1
2
3
4
5
6
7
8
9
10
11 A14
12 A15
A16
13
14 A17
15 A18
16 A19
17
18
19
20
21
22
23
24
25
26
27
28
A13
29
30 A12
31 A11
32 A10
33 A9
34 A8
35 A7
36 A6
37 A5
38 A4
39 A3
40 A2
41 A1
42 A0
43 D15
44 D14
D13
45
46 D12
47 D11
D10
48
49 D9
50 D8
51 D7
52 D6
53 D5
54 D4
55 D3
D2
56
57 D1
58 D0
59
60
D[0..15]
61
/OWR
62
63
64
65
66
/IRQ1
67 HWR-
/HWR
68
69
70
D[8..15]
71
72
MM20-72B
RAM CN
VCKDC
VCKDC
IC45
RX5RE
2
BTCH VIN
C44
C238
10uF/16V
0.1uF
R9
1/2W 13
R10
1/2W 13
BTCN1
1
2
5267-02
BAT CN
6
5 4
VCC
CKDC CN
CN1
1
2
3
4 STH
5 HTS
A[0..19] 6 /SCK
7 /KRQ
8 /SHEN
9 BUZZ
/RESETS
10
11 /STOP
12 /POFF
13
VCKDC
14 1000PF
/PCE22_E 15 -32V
/PCE21_E 16 VF1
17 VF2
/PSREF 18
/PCE22_O 19 /CFSR
/PCE21_O 20 ST0
21 ST1
22 ST2
23 ST3
CKDCR
24
25
R1
26
220 1/5W
(AXIAL TYPE)
00 6208 010 126 001
VCKDC
IR CN VCC
CN3
1
2 /IPLON1
3 ASK/IRDA
4 IRTX
5
53014-0510
NOT USED
JP1
1
VMEM 2
3
00 9067 031
VCKDC
3 VMEM
G
VOUT VMEM
N
D
1
C243
1uF
5 4
3 2
VCKDC
C4
0.1uF
VCKDC
IC40 VCC---GND
1 1
4
4
1
4
IC40B
IC40A
6
2
5
74HC00
74HC00
C60
R20 7
7
C2
10K
1000PF
(RUN)
VCC
S1
RIGHT ANGLE SL-SW
HARDWARE RESET
C3
0.1uF
XCK
1
4
12
IC40D
11
13
74HC00
7
C? C? C?
1000pF
330pFX2
T/PRES-
/RES
TPRXD
TPRXD
TPTXD
TPTXD
DL[0..7]
DL4
DL5
YD
DL6
LP
DL7
XCK
DL0
VCON
DL1
LCDON1
DL2
DISP
DL3
DU[0..7]
DU3
DU4
DU2
DU5
DU1
DU0
DU6
DU7
INV_+12V
BKLT
VR2-1
VR2-2
VCC
R206
0
2
R239
1 3
22K
VR2
20K VR
3
2
VR3
1 20K VR
R240
8K
3 2
1
12/16
D
/RESET
3
/RESET
C62
1000PF
DCLK CN
CN8
1
2
53014-0210
C
VCC
TOUCH PANEL CN
CN6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
PJ
15
16
17
18
19
B
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
00 6229 640 003 800
VR2-1 A
VR2-2
1