Symmetricom 5071A Assembly And Service Manual

2. Service
Pre-Troubleshooting Information
31
Assembly Identification and Location
The assembly number, name and part number of the 5071A assemblies are
listed in Table 2-2. Figures 2-1 and 5-2, illustrate the replaceable assemblies
and cables in the 5071A.
Table 2-2. 5071A Assembly Identification
Assembly Name Part No.
A1
A1
Motherboard Assembly
Motherboard Assembly, Opt.048 only
05071-68001
05071-68028
A2 CBT Controller Assembly 05071-60202
A3 Microprocessor Assembly 05071-68003
A4 Digital Synthesizer Assembly 05071-68004
A5 87 MHz PLL Module 05071-60272
A6 Servo Assembly 05071-68006
A7 Interface Assembly 05071-68007
A8 1 PPS Assembly 05071-68008
A9 Frequency Multiplier Module 05071-60292
A10 Output Frequency Distribution Amplifier Module 05071-60210
A11
A11
Power Steering Logic Assembly, Std
Power Steering Logic Assembly, Opt. 048 only
05071-68029
05071-68033
A12
A12
Dc-Dc Power Converter Module
DC-DC Power Converter Module. Opt. 048 only
05071-60212
05071-60279
A13 Front-Panel PC Assembly 05071-60213
A14 Signal Amplifier Module 05071-60214
A15 9.2 GHz Microwave Generator Module 05071-60215
A16 High Voltage Supply Module 05071-60216
A17 CBT (Cesium Beam Tube) Assembly
or
Option 001 High Performance CBT Assembly
10890A
10891A
A18 9.2 GHz PLL Module 05071-60218
A19 Reference Oscillator (Quartz) Module 05071-60294
LF1 Line Filter/Cable Assembly 05071-60259
T1
T1
Toroidal Power Transformer
Toroidal Power Transformer, Opt. 048 only
9100-4962
9100-5134

Symmetricom 5071A Specifications

General

Brand	Symmetricom
Model	5071A
Category	Measuring Instruments
Language	English