7
6
5
4
3
2
1
Q2
LM317L
P1
J4
P2
POWER BOARD END
P2-2
1
3
11
LO
PLUGSENS
PLUGSENS
VS
1
3
ADJ
VIN
1
10
FROM POT
1
1
REGB
HI
REGB+
REGB+
2
9
2
2
P1_9
VSD
B-
B-
R?
R2
R16
2
R?
VOUT
3
1
3
3
50A 60V?
4.7K
69K
VSD
4
4
4
2
2
2
A2
B+SENS
B+SENS
1K
2
1W
KSI
3
2
D?
2
5
3
R?
R?
243K
MR5005R
6
1K
1
2
Q3
4
TO 1,7 OF U7
36K
3
SJE2938
REGV1
7
5
R?
R?
3
C5
8
VSD
6
PIN 14 U6
U5B
1
5
1
1
1
.1UF
9
+
1
B+
C7
7
D3
2
CLPAUSE
6.9K
D?
R28
10
1W
.1UF
1
2
REGV1
REGV1
8
REGB
4
VS
R?
MR2406F
R21
243K
220UF
1
11
-
C13
15K
12 PARA
22K
22K
D2
LM339
3
22PF
1W
1W
1N4148
HEADER 11
Q18
DIODE
160V, 35
R25
REGV1
12
VS
FET DRIVER
2
NPN MJF47
2
12
2
R3
M-
in
2.2K
R8
R57
R56
1N4744A
D9
parallel.
22K
47K
2.2K
22OHMS
2
1
D?
Q?
D
2
1
1
1
R?
D
U1A
R25
1
IRF640
3
3
1
2
Q1
22K
3
U5C
3
3
2N4403
7
75
9
DIODE ZENER
OR BUZ30A
R15
+
1
2
Q4
+
14
2
C17
D10
3
3
10K
6
2N4401
8
10UF
2
VS
-
-
D?
LM339
2
1
Q8
1
2
B-
Q6
LM339
R?
2N4401
R?
MPS650
J5
P1
12
DIODE ZENER
R11
R10
3.3K
12
FETSENS
FETSENS
62K
1
1
1
FETDRIVE
FETDRIVE
REGV1
1
2
2
D13
B-
B-
2
3
3
2
Q7
35 MOSFET IN PARALLEL
51K
43K
1
2
KSI IN
C15
D17
MPS750
33 CAPS IN PARALLEL
3
2200PF
12-
DIODE
1
2
35 75 OHMS IN PARALLEL
1N4148
3
3
U5D
3
9
10
P1-2
5
+
14
11
D1
+
13
1
+
D14
LOW ON
+
R1
R14
2
8
13
1N4742A
11
-
HI ON
1N4744A
LM339
LOGIC POWER SUPPLY
KSI
4
U1C
10
HI FREQ
1
-
-
U1B
LM339
U1D
MAIN DRIVE FREQ
15V
R4
3
39K
C2
LM339
R9
12
LM339
22K
39K
.1UF
+
R5
12
47K
12
R?
C1
D16
8.2K
C4
1
NS
1N4148
2
.1UF
2
R?
R24
12.4K
R 1
R?
D?
R23
3.65K
REGV1
6.34K
1
2
Q11
5.9K
R?
NU
VSD
VSD
15.8K
VS
330K
8
1N4148
3
1
R13
5
+
2.67K
D?
7
1
P1_10
DIODE
P1_9
R7
4
6
-
U2B
D8
10K
LM393
HI
5
VSD
R21
1N4148
2
+
4
7.5K
LO POT
7
FROM 5K POT BOX
C3
6
2
.1UF
-
U4B
LM324
R?
R22
C
11
9.09K
30K
MAIN PWM THROTTLE
C
U2A
8
P1_11
LO
3
D5
+
1
1
2
P1_5
R12
2
976
-
1N4148
LM393
4
HI POT
RAMPED THROTTLE
HOLD LOW TO DISABLE
TO MAIN PWM
VSD
VSD
TP5
VSD
P1_6
R50
ACC SET
R46
R18
R?
9.76K
10K
50K
R
8
R28
R44
4
4.7K
4
2.77V
3
2.67K
D7
+
12
R43
R27
1
2
1
3
R62
+
14
R?
2
+
2
1
13
R
-
U3A
D?
1N4148
R?
2
-
U4D
-
62K
R45
LM358
R
1N4148
10K
+
47K
4
4
LM324
U4A
R48
LM324
R?
10K
11
10
11
+
TP6
8
C9
R?
2.7K
1
PLG DET
47UF
R?
P1_7
9
1.27K
POT
-
U4C
2
2
LM324
71.5K
D11
11
D?
8
1N4148
DIODE
R?
5
R
+
1
7
1
VS
VS
R74
6
-
2
U3B
3
R37
LM358
D?
2.7K
4
2
DIODE
1
38K
2N4401
2
B
1
1
B
Q10
R?
Q?
3
R?
PNP
22K 8
C12
R?
CAP
5
R83
+
PLUG CURRENT LIMIT
7
POT
2.7K
6
VS
-
U7B
1K
LM393
POSITVE SHUT OFF
FETSENS
4
R72
10K
3
C18
7
CAP
VSD
+
R73
1
82K
6
8
-
U6A
C?
3
LM339
3
CAP
R?
+
CLPAUSE
7
1
12
12.7K
+
MAIN CURRENT LIMIT
1
2
6
-
U7A
R66
-
U5A
LM393
5.8K
LM339
4
VS
12
R?
R?
8
64.5K
16K
3
R?
+
3
1
R84
R?
2
9
5.6K
12.7K
-
U8A
15K
C?
+
C32
14
LM358
CAP
.1UF
U6C-9
8
4
-
U6C
CL_ADJ
R?
VSD
R77
LM339
54.4K
12
U6D
R?
3
R?
B+SENS
10K
2K
11
24.9K
R?
R?
1
+
13
43K
R81
C?
2
CL_MX
10
20K
CAP
D?
This document does have errors, Beware
-
4.7K
D?
TL431
DIODE
Many parts of it are very similat to the Curtis R?
A
LM339
DIODE
R?
controller that is was reverse engineered from.
A
5K
12
U6-B-2
287K
2
R?
It was made a long time ago, and then translated from 1
3
PLUG DET
POT
chicken scratchings on paper to electronic format.
U8B
8
5
+
1
1
2
5
PLUGSENS
4
+
7
-
U6B
2
LM339
6
D20
R?
C?
by Rich Rudman 10K
-
D19
D?
D21
1N4148
R
CAP
12
Manzanita Micro t
THERMISTOR
R84
1N4148
LM358
1N4148
1N4148
10.0K
4
2
2
1
3
R?
Original scratchings from Otmar Ebenhoech 7-7-92, www.CafeElectric.com 3
P2
R?
2
Q11
Title
1
R?
2
Q9
NPN
Similar to CURTIS PMC 1221-B 7401
2
1.56K
2N4401
1
1
47K
Size
Document Number Rev
C?
1
2
HEADER 2
15.4K
C
X
.1UF
Date:
Tuesday, April 30, 2002
Sheet
1
of
1
8
7
6
5
4
3
2
1