Crown PSA-2 Service Manual

6-4
USED WITH SN112617 AND ABOVE.
MODEL PSA-2 (X); USED WITH SN11719 AND ABOVE. MODEL SA2;
USED WITH SN306 AND ABOVE.
ALL PREVIOUS UNITS MAY HAVE SLIGHT ALTERATIONS.
MODEL PSA-2DXx;
Fig. 6.2 Relay Module Component
Board Layout
Fig. 6.3 Low Voltage Power Supply
Component Board Layout
ae
meni
+
peo
AR
REM
REELS
Scale
type,
glo
ey
es
Bes
cag
pele
MEER
ine
gone
RR
Parts List: Relay Module/ Power Supply
Schematic
Designation
DI, D2,D3
“KI, K2
K3
R100, R200
R101, R201,
R104, R204
R102, R202,
R103, R203,
RII, R211
R105, R205,
R108, R208,
R112, R212
R106, R206
R107, R207,
R109, R209
R110, R210
R113, R213
RN3, RN4
CS, Co
C7, C105, C205
co
C103, C203
C104, C204
Description
PSA-2/SA2 Relay Board Module
Resistors
600 ohm 12W 5% Wire.
2.7 ohm 1W 10% comp
22 ohm .SW 5% CF
Capacitors
047mF: 125 VAC
.OIlmF 125 VAC
Diodes
IN4148
Relays
10A SPDT 24V Relay
5.6K ohm SPST 24V Relay
Fuses
AGC 20 amp fuse
AGC .SA 1.25x.25 IN
Miscellaneous
MOD 25 Pin 318 Header
PC Mount Fuse Clip
Q4217454
C 3902-1
C 1001-4
C 2004-7
C 9234-7
C 4443-2
C 3181-2
C 5245-3
C 4941-8
C 3840-3
C 3841-1
C 5008-5
C 5060-6
PSA-2/SA2 Low Voltage Power Supply Module
Resistors
82K ohm .25W 5% CF
470K ohm .25W 5% CF
IK ohm .25W 5% CF
22K ohm .25W 5% CF
10K ohm .25W 5% CF
1M ohm .25W 5% CF
ISK ohm .25W 5% CF
1.5K ohm .SW 5% CF
Resistor Networks
Resistor Trim Network
Capacitors
1000mF 40V Axial
0.lmF 100V Plycarb
220mF 16V Vertical
100mF 16¥V Vertiocal
4.7mF 35V Tant
.47mF 100V 5 Polycr
C 4212-4
C 4225-6
C 2627-5
C 3302-4
C 2631-7
C 3198-6
C 2632-5
C 1076-6
D 4445-9
C 4303-1
C 4892-3
C 3796-7
C 3729-8
C 4019-3
C 4119-1
Qty. Other Information
Mounts FI, F2, F3
M42191-3

Crown PSA-2 Specifications

General

Brand	Crown
Model	PSA-2
Category	Amplifier
Language	English