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Xerox XL-795D Service Manual page 31

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2
RDn
2
CS0n
V33
V33
V33
V33
R45
R46
R47
R48
10K
10K
10K
10K
VCC
R56
330
R58
33R
C
B
Q1
2
LED2
E
2N3904
1K
R60
Modify 8-pin connector
WAFE-8PIN-1.5MM-90@
CN1
1
2
3
4
5
6
7
8
9
10
V33
BUZZER
2
1.POWER
2.LED G
3.LED O
4.DOWN-
5.UP+
4/18 Add.
6.MENU
Pin9,10
7.AUTO
8.GND
9.V33
10.BUZZER
PROVIEW KEY PAD --OK
V33
C59
0.1uF
V33
V33
V33
V33
R49
R50
R51
R52
U7
10K
10K
10K
10K
1
OE1
VCC
19
OE2
O0
AUTO
2
I0
O1
POWER
3
I1
O2
LEFT
4
RIGHT
I2
O3
5
I3
O4
MENU
6
I4
O5
7
I5
O6
8
I6
O7
9
I7
GND
74LVC541A
Input Buffer
VCC
R57
330
LED_O
R59 33R
LED_G
1K
R61
C
B
Q2
2
LED1
E
2N3904
RP1
8
1
LEFT
7
2
RIGHT
MENU
6
3
AUTO
5
4
33X4
LED_G
LED_O
POWER
C62
C63
C64
C65
C66
C67
C68
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
V33
U8
6
8
2
SCL
SCL
VCC
5
2
SDA
SDA
C69
1
7
NC0
WP
2
0.1uF
NC1
3
4
NC2
GND
24C16
NVRAM
2
ROMOEn
2
ROMWEn
2
RESETn
V33
V33
R62
20
10K
18
D0
17
D2
16
D4
RESETn
15
D6
D1
14
13
D3
D5
12
C61
D7
10uF/16V_EC4D(NC)
11
10
D[15:0]
2
2
A[19:1]
V33
U6
C58
FCEn
26
13
CE
VPP
ROMOEn
28
OE
ROMWEn
11
37
WE
VCC
RESETn
12
0.1uF
RP
R44
WPn
14
WP
47
29
D0
BYTE
D1
100K
31
D1
D2
A1
25
33
D2
A0
D3
A2
24
35
D3
A1
D4
A3
23
38
D4
A2
D5
A4
22
40
D5
A3
D6
A5
21
42
D6
A4
D7
A6
20
44
D7
A5
D8
A7
19
30
D8
A6
D9
A8
18
32
D9
A7
D10
A9
8
34
D10
A8
D11
A10
7
36
D11
A9
D12
A11
6
39
D12
A10
D13
A12
5
41
D13
A11
D14
A13
4
43
D14
A12
D15
A14
3
45
D15
A13
D16
A15
2
A14
A16
1
A15
A17
48
46
A16
GND1
A18
17
27
A17
GND2
A19
16
A18
EN29LV800T-90
ROM
R55
If use ICE,
0
remove the
R55
V33
J5
J6
1
1
2
2
3
3
A16
4
A17
4
A15
5
5
A14
6
6
A13
7
D15
7
A12
8
D7
8
A11
9
D14
9
A10
10
D6
10
D13
A9
11
11
12
D5
12
D12
13
13
ROMWEn
D4
14
14
RESETn
15
15
16
D11
16
D3
17
17
18
D10
18
A19
19
D2
19
A18
20
D9
20
A8
21
D1
21
A7
22
D8
22
A6
D0
23
23
A5
24
ROMOEn
24
A4
25
25
A3
26
FCEn
26
A2
27
A1
27
28
28
29
29
30
30
CON30
CON30
OPTIONAL
Promjet Header, Removed for Production
Proview Electronics (Taiwan) Co., LTD.
6F, NO.1, Pau-Sheng Rd., Yung-Ho City,
Taipei County, Taiwan R.O.C.
Tel: 886-2-2231-6789 Fax: 886-2-2232-4613
Title
MEMORY & LCD POWER CONTROL
Size
Document Number
200-100-776D-D (PV7-S2)
Date:
Thursday, September 18, 2003
V33
D[15:0]
D[15:0]
2
V33
C60
0.1uF
Rev
A
Sheet
3
of
6

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