TM 11-5820-765-34
Differences Between Parts
Item
PP-4763
PP-4763A
AC power option
115 volts ac,
115 or 230 volts ac,
63 Hz.
Provided with terminal lug for
Provided with locking prongs
AC power cable W3
each wire connection to ac
on plug for connection to ac
power source.
power source.
Double switch circuit breaker.
Single
switch
circuit
breaker.
AC power switch CB1
Terminal board A8-cable
Cable from equipment under
DC
output
connections
attached to connect dc output
test connected either to
terminal board A8 or to
to equipment under test.
receptacle J1.
Provides connections for
Provides
connections
for
Terminal
board
TB1
transformer T-1 and for 115-
transformer T1.
volt ac/230-volt ac Iinks.
Provided
Not provided
Reactor L3 (choke)
Provided; disconnects ac input
Not provided
Top cover interlock switch
power when top cover is
S1
removed.
Test jacks TP1 through TP6
Not provided
Test jacks (on circuit card
provided.
assembly)
Differences Between Reference Designations
Most parts used in both power supplies have one reference designation.
EXAMPLE:
Voltmeter is designated Ml in both power supplies.
The following parts have different reference designations:
PP-4763
PP-4763A
PC101
A1
Circuit card assembly
z
No
designation
Rectifier bridge
(on circuit card assembly)
FL
z
RFI filter
SCR
Q
Silicon
controlled
rectifier
For these parts, parentheses indicate designations for PP-4763A.
EXAMPLE:
Circuit card assembly appears in text as PC101(A1).
