1
2
345 6
A
B
C
D
6
5
4
3
2
1
D
C
B
A
Title
Number RevisionSize
Orcad B
Date: 17-Jun-2008 Sheet of
File: N:\Pcbmgr\05701dn.E-motherboard.gen4\Source\05701a.DDBDrawn By:
Schematic for E Series Motherboard PCA 05702
58
05703 A
DAC2V
DAC1V
DAC0V
DAC3V
D0
D1
D2
C37 0.15 uF, ceramic
12
13
11
U59D
74HC32
C36 0.15 uF, ceramic
1
2
3
45
6
7
8
RN18 1Kx4
A0
2ENB
3
V-
4IN 1 5
IN 2 6
IN 3 7
IN 4 8
OUT
9
IN 7 11
WR
1
A2
16
GND
15
+VSS
14
IN 5 13
IN 6 12
IN 8 10
A1
17
RS
18
U48
MAX382CWN
D1
2S1 3
-VS
4
GND
5
S4 6
D4
7
IN4 8
IN3 9
S3 11
IN1 1
IN2 16
D2
15 S2 14
+VS
13
VCC
12
D3
10
U49
DG444DY
1
2
3
4
5
6
7
8
9
10
11
12
13
14
J27
MICROFIT-14
XT1
THERMISTER
TEMPMUX
DACMUX
TEMP
IOW
DAC1
DAC2
DAC3
D[0..7]
DAC0V
DAC0
DAC1V
DAC3V
DAC2V
SHDN
+15V
-15V
+5VANA
VCC
VCC +15V
+5VANA
+15V
1
2
3
4
5
6
7
8
RN21
10Kx4
R34
10K
THERMISTER1
THERMISTER2
THERMISTER3
THERMISTER4
THERMISTER5
THERMISTER6
THERMISTER7
THERMISTER8 THERMISTER5
THERMISTER6
IN
1
ON/OFF
3OUT 5
NC 4
GND
2
U23
LP2981IM5
C29
1 uF
BYPASS CAPS
MUST BE WITHIN
1/2" OF THE
REGULATOR
INPUT/OUTPUT
PINS
+C60
10 uF, 35V, TANTALUM
C
1
2
3
4
6
7
8
9
10
RN20
10Kx9, 2%
04521C (DCN5731)
D-17