Symmetricom 5071A Assembly And Service Manual

3. Theory of Operation
Functional Block Descriptions
145
Table 3-6 . Power Supply Block Interconnections
Source
Module or
Assembly
From Path
Connectors
Signal Name
To Path
Connectors
Destination
Module or
Assembly
LF1 LF1 Cable 100-240 Volts AC Power,
(voltage selected on LF1)
T1 Cable-In T1 Xfmr
T1 Xfmr T1 Cable-Out ~28 Vrms,
(secondary output of T1)
(~ 37Vrms for Opt. 048
A1J5 A1
Ext. DC
Input
A1J1 - A1J4 22-42 Volts DC Power (40-58
Vdc on Opt. 048),
(filtered on A1)
A1J4 -
A11J101
A11
A1 A1J4 32-38 Volts DC (45-51 Vdc for
Opt. 048)
(rectified and filtered on A1)
A1P4 -
A11P101
A11
A11 A11P101 - Steered DC Power, 22-42 V
(40-58 Vdc on Opt. 048)
A1J4 A1
A1 A1J4 Steered DC Power, 22-42 V
(40-58 Vdc on Opt. 048)
(low-pass filtered on A1)
A1J2 -
A12P2
A12
A12 A12P2 +12.3 VOut, +12.3 VReturn,
- 12.3 VOut, - 12.3 VReturn,
+5.45 VOut, +5.45 VReturn
A1J2 A1
P/O B1 Red/Blk Plug + 12 Vdc Red/Blk Jack A11
P/O B1 Red/Blk Plug + 12 Vdc Red/Blk Jack A11
A11 A11J2 DC Valid, DC Valid Return,
AC Valid, AC Valid Return,
Vcc, Spare,
Pwr Fail, Pwr Fail Return
Batt Valid, Batt Valid Return
A1J3 A1

Symmetricom 5071A Specifications

General

Brand	Symmetricom
Model	5071A
Category	Measuring Instruments
Language	English