1221b(1).pdf

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

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