Epson Research and Development
Page 23
Vancouver Design Center
S5U13704B00C Rev. 1.0 ISA Bus Evaluation Board User Manual
S1D13704
Issue Date: 01/02/12
X26A-G-005-03
Figure 8-4: S1D13704B00C Schematic Diagram (4 of 4)
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
A
A
B
B
C
C
D
D
1.0
Epson Re
search & Development, Inc.
S5U13704B00C ISA-Bus Rev. 1.0 Evaluati
on Board : LCD Power Supply
B
44
Friday, October 09, 1998
Size
Document Number
Rev
Date:
Sheet
of
PSVCC
PSVCC
VCC
PSIOVDD
PSVCC
PSVCC
IOVDD
PSIOVDD
VLCD
VDDH
+
C20
4.7uF/50V
R18
1K
R19
100K
R20
100K
Q2
2N3903
2
1
3
R14
470K
R15
200K
1
3
2
R16
14K
+
C1
8
4
.7uF/50V
+
C19
4.7
uF/50V
+
C21
47uF / 16V
+
C22
56uF/35V
Low ESR
+
C17
47uF/16V
R17
1K
R21
100K
1
3
2
U9
RD-0412
1
2
3
4
5
6
7
8
9
10
11
12
VOUT_ADJ
DC_IN
REMOTE
GND
GND
GND
GND
GND
NC
GND
GND
DC_OUT
U10
EPN001
1
2
3
4
5
6
7
8
9
11
10
DC_OUT
DC_OUT
NC
GND
GND
VOUT_ADJ
NC
NC
NC
DC_IN
DC_IN
L1
1uH
2
5
Q1
2N3906
2
1
3
L3
1
2
L4
1
2
L2
1
2
PSGN
D
PSGND
PSGND
LCDPWR
*