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Appenidix B: Schematics
B.5
HD-825 BRAKE CONTROL SUPPLY
PEM1
03CR4
F1
L
I
N
F2
E
0 to +3V
J3
R13
R14
4
10.0K
10.0K
J3
D2
3
R12
1N5225A
10.0K
0 to -10V
J3
R6
R7
2
10.0K
90.9K
J3
D1
1
R5
1N5242A
10.0K
J1
1
T1
2
1
5
3
4
2
6
5
3
7
4
8
IF-6-40
+15
C9
4
.1uF
U1
11
C10
.1uF
-15
P1
1
2
3
4
5
1
ON
L
120V
2
O
240V
A
3
D
4
SW1
OFF
+35
F3
J10
P10
P5
1
1
1
MOV1
DYNO BRAKE
VB2ZA4
P5
J10
P10
2
2
2
C8
.0022uF
R16
76.8K
D3
R22
1N4148
5.76K
OP400EY
C11
2 -
R17
1
3
+
U1
100K
.01uF
a
R15
15.4K
+15
C13
R8
.1uF
Q1
10M
2N2222
6
R23
R24
J7
-
7
5
1
+
U1
100K
10.0K
b
R9
2N2907
9.09K
Q2
R10
R11
1.00K
1M
-15
+15
R28
50K
Q4
LM340T15
in
+
+
com
C14
C1
R1
1000uF
5.1K
1uF
BR1
PD05
+
+
C15
C4
R2
1000uF
5.1K
1uF
com
in
LM320T15
T1
MPI-300-28
+35
DB1
KBPC2502
+
C14
R29
10000uF
1K 5W
75V
P4
FAN
5240 78B159 PC BD
U30d-15
N/C
N/C
J12-2
J12-8
REMOVE R38 & R41
CHANGE R71 TO 5K
DSP6001/6200
B.P. CONNECTOR
J5
1
C7
D6
MUR120
.047uF
R25
R26
1.0K
5
J5
2
J6 2
D
D5
Q3
MUR120
G
IRFP250
S
J6 1
R18
4.99K
R27
0.1 5W
J4
2
R29
100
+15
out
+
C2
C3
1uF
.1uF
+
C5
C6
1uF
.1uF
out
-15
Q5
70
Magtrol Hysteresis Dynamometers
2
3 FOOT CABLE ASSY
P11
J14
P14
88M077
1
1
5
2
2
4
TO B.P.
3
3
3
CONNECTOR
2
4
4
1
5
5
6
6
6
P11
BNC CABLE ASSY
5
88M086
4
3
TO B.P.
2
CONNECTOR
1
6
INTERNAL CABLE ASSY
J11
P3
5
1
4
2
3
3
P.C. BOARD
2
4
1
5
6
6
R20
9.09K
9
R21
J3
-
R19
8
10
+
U1
1.00K
c
J3
C12
D4
4.99K
1N5225A
.001uF
6
5
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