Datron PRC-BC4 - Page 25

1
2
3
4
5
6
7
8
9
10
11
12
13
14
16 15
U1
UC3906N
Q1*
TIP2955
D1
1N5400
R4
0.22-1/2W
+
C3
2.2uF/50V
C2
0.1uF/50V
C1
0.22uF/35V
R5
100K
R2
100K
R1
20K/1%
C22
0.1uF
R6
100K/1%
R3
330K/1%
D12
D13
+
C19
2.2uF
R26
10K
Q1
2N2222A
D2
D1
R4
3.3K-1/2W
D3
D16
CHARGING
D17
READY
R5
1.8K
R3
10K
R2
2.7K-1/2W
D15
FAULT
Q2
2N2222A
D5
D4
R8
3.3K-1/2W
D6
D19
CHARGING
D20
READY
R9
1.8K
R7
10K
R6
2.7K-1/2W
D18
FAULT
1 2 3 4 5 6 7 8 9 10
+12V +12V
Q3
2N2222A
D8
D7
R12
3.3K-1/2W
D9
D22
CHARGING
D23
READY
R13
1.8K
R11
10K
R10
2.7K-1/2W
D21
FAULT
+12V
Q4
2N2222A
D11
D10
R16
3.3K-1/2W
D12
D25
CHARGING
D26
READY
R17
1.8K
R15
10K
R14
2.7K-1/2W
D24
FAULT
+12V
B+
2 1
PL2
S1
RESET
A
B
J1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
16 15
U2
UC3906N
Q2*
TIP2955
D2
1N5400
R10
0.22-1/2W
+
C6
2.2uF/50V
C5
0.1uF/50V
C4
0.22uF/35V
R11
100K
R8
100K
R7
20K/1%
C23
0.1uF
R12
100K/1%
R9
330K/1%
D10
D11
+
C20
2.2uF
R25
10K
2 1
PL3
S2
RESET
A
B
J2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
16 15
U3
UC3906N
Q3
TIP2955
D3
1N5400
R16
0.22-1/2W
+
C9
2.2uF/50V
C8
0.1uF/50V
C7
0.22uF/35V
R17
100K
R14
100K
R13
20K/1%
C24
0.1uF
R18
100K/1%
R15
330K/1%
D9
D8
+
C17
2.2uF
R27
10K
7
6
5
U5B
L324
1
2
3
U5A
LM324
14
13
12
U5D
LM324
1
2
3
4
5
6
7
8
9
10
11
12
13
14
16 15
U4
UC3906N
Q4
TIP2955
D4
1N5400
R22
0.22-1/2W
+
C12
2.2uF/50V
C11
0.1uF/50V
C10
0.22uF/35V
R23
100K
R20
100K
R19
20K/1%
C25
0.1uF
R24
100K/1%
R21
330K/1%
D7
D6
+
C18
2.2uF
R28
10K
8
9
10
U5C
LM324
4
11
U5E
LM324
1 2 3 4
PL4
S3
RESET
A
B
J3S4
RESET
2 1
PL6
+
C14
4.7K/35V
+
C15
4.7K/35V
+
C16
4.7K/35V
D5
MBR1645*
C13
0.1uF/50V
1
2
3
PL7
S6
A
B
J5
BEAD
- +
BR1*
T1
F2
S5
75c NC
F1
S6
J6
CONNECTIONS SHOWN
110V 60 Hz
Vin
1
GND
2
+12V
3
U1
7812
+
C1
2.2uF/16V
+12V
R1
3.3K-1/2W
D14
POWER ON
D13
1N6283A
B+
1 2
PL5
C
B
A
J4
1 2 3 4 5 6 7 8 9 10
TO PL1 FRONT PANEL BOARD
+
C21
2.2uF/50V
PC BOARD 738101
994003
PC BOARD 738100
NOTES: UNLESS OTHERWISE SPECIFIED
2. CAPACITANCE IS IN MICROFARADS.
1. RESISTANCE IS IN OHMS.
3. DIODES ARE IN 1N4150
4. * DENOTES ON THE HEATSINK.
1
3 5
2
4 6
R29
390
R30
390
R31
390
R32
390
Figure 4-2
PRC-BC4
Battery Charger
Schematic Diagram
(994003 Rev. E)
4-5
PRC-BC4-MS
994003E.SCH
PRC-BC4 BATTERY CHARGER
07-18-05
24-Jul-2007
09:02:34
994003
E
Title:
Date:
File:
Rev:
Time:
D
Schematic
Date:
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B.BROOKS
994003 WAS 991203
Q1 THRU 4 WAS MJE2955T
ADDED 4 RESISTORS BB
10-11-90
02-05-91
07-18-05
MISC-212
PRC-ACC-064
ECO-05-0166
C
D
E
REV EDN DATE APPR
DESCRIPTION