Crest 6a schematic
CENTURY POWER SUPPLY SCHEMATICS
4 Amp Power Supply Model XCPS-40 / XCVA-40
6 Amp Power Supply Model XCPS-60 / XCVA-60
DESCRIPTION SCHEMATIC #
BLOCK DIAGRAM AND TRANSFORMER WIRING OPTIONS 1
FRONT OF MODULE, LED DISPLAY, BRIDGE RECTIFIERS
REAR POWER MODULE PCB 3
2
CENTURY POWER SUPPLY
Block diagram Transformer wiring options
for 100V/120V, 220V & 240V
DC
DC
Power
Power
Out
Out
TO CIRCUIT
BREAKER
100V / 120V OPERATION
POWER CIRCUIT CREST
SUPPLY BREAKER PART
MODULE VALUE NUMBER
XCPS-40 4 AMP 21000023
XCPS-60 8 AMP 21000022
TO EIC POWER
CONNECTOR
TO CIRCUIT
BREAKER
220V OPERATION
POWER CIRCUIT CREST
SUPPLY BREAKER PART
MODULE VALUE NUMBER
XCPS-40 3 AMP 21000031
XCPS-60 4 AMP 21000023
XCPS-40 - SG140
XCPS-60 - SG72
BLACKBLACK
XCPS-40 - SG140
XCPS-60 - SG72
BLACKBLACK
INTERNAL THERMAL SWITCH
RED
YELLOW
ORANGE
PURPLE
GREY
BLUE
GREEN
INTERNAL THERMAL SWITCH
RED
YELLOW
ORANGE
PURPLE
GREY
BLUE
GREEN
WIRED FOR 100V / 120V
V1ACA
V1CT
V1ACB
V2ACA
V2ACB
V3ACA
V3ACB
WIRED FOR 220V
V1ACA
V1CT
V1ACB
V2ACA
V2ACB
V3ACA
V3ACB
TO EIC POWER
CONNECTOR
TO CIRCUIT
BREAKER
240V OPERATION
POWER CIRCUIT CREST
SUPPLY BREAKER PART
MODULE VALUE NUMBER
XCPS-40 3 AMP 21000031
XCPS-60 4 AMP 21000023
2
TO EIC POWER
CONNECTOR
XCPS-40 - SG140
XCPS-60 - SG72
BLACKBLACK
D
INTERNAL THERMAL SWITCH
RED
YELLOW
ORANGE
PURPLE
GREY
BLUE
GREEN
WIRED FOR 240V
V1ACA
V1CT
V1ACB
V2ACA
V2ACB
V3ACA
V3ACB
Schematic #1
CENTURY POWER SUPPLY
MP14040W
MP14040W
Front of module, LED display, bridge rectifiers
V3AC
V3AC
BR2
MP14020W
22,000/50V
C10
R21
47K
Z2
1N821
Q21
NOTE1
R67
2.2/1W
R68
NOTE1
R23
470
C12
10/16V
Q20
NOTE1
R22
2.2K
Q19
NOTE1
R65
2.2/1W
2
3
2SC3298
R52
180/5W
120/1W
7
4
Q17
NOTE1
R66
NOTE1
Q8
R25
6
IC3
TL321CP
R61
NOTE1
Q13
NOTE1
Q9 2SC3281
R69
NOTE1
R24
33/1W
1N4004
D10
C23
0.1/50V
1N5363
R64
2.2/1W
Z10
30V
R62
0.5/7W
R53
0.5/7W
R26
NOTE1
2SC3298
Q10
R31
3.32K/1%
R51
NOTE
0.5/7W
R28
249/1%
750/1%
R30
9.76K/1%
0.1/50V
1
R27
R29
C14
C30
100/50V
Z6
1N5362
AUX GND+V3
J4
22-23-2021
1
2
LED CONN2
J5
22-23-2041
1
2
3
4
FAN
GND
FAN
GND
C24
0.1/50V
1
32
IC6
LM35DP
R45
2.2K
1K/1%
R60
R59
1K
R34
1K/1W
D16
1N4004
C29
0.1/50V
IC7
7
TL321CP
3
2
6
15
4
D15
1N4004
R58
39.2K/1%
Q18
2N5551
R57
10K
R56
2.2K
IC5
LM317T
1
221/1%
23
R55
V1AC
V1AC
V1CT
V2AC
V2AC
+V1
MP14020W
RS402
BR1
BR3
C1
31,000/40V
C15
1,000/80V
GND -V1 +V2
C2
31,000/40V
REF
Q12,Q13
Q14
R8,R18,R26
R69
Q17,Q20
R51,R61,R66,R68
HI PWR LO PWR
2SC3281 NOTUSED
2SA1302 NOTUSED
0.5/7W
2.2/1W
NOTUSED
NOTUSED NOTUSED
NOTUSED
NOTUSED
NOTUSED
LED1
GRN
J1
22-23-2061
1 2 3 4 5 6
LED2
GRN
LED3
GRN
2 1
5 4 3
7 6
D
LED4
GRN
REAR CONNECTOR PIN OUT
Pin 1 +24 VDC
Pin 1 +24 VDC
Pin 2 +20 VDC
Pin 2 +20 VDC
Pin 3 Analog GND
Pin 3 Analog GND
Pin 4 Analog GND
Pin 4 Analog GND
Pin 5 Digital GND
Pin 5 Digital GND
Pin 6 +48 VDC
Pin 6 +48 VDC
Pin 7 -20 VDC
Pin 7 -20 VDC
Schematic #2
2
+V3+V1 -V1 +V2
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