Replaceable Parts 95
5
Replaceable Parts
Introduction
Chapter Organization
This section lists the replaceable electrical and mechanical parts for the Agilent 654xA, Agilent 655xA, Agilent 664xA, and
Agilent 665xA power supplies. Component location diagrams are located in Chapter 6. Table 5-1 is an index to the different
parts list tables.
Table 5-1. Index to Power Supply Assemblies
Assembly For 200 Watt Models For 500 Watt Models
Main Chassis Table 5-4 Table 5-6
Al Main Board Table 5-5 Table 5-7
A2 Isolator Board for 654xA & 655xA Only Table 5-8 Table 5-8
A2 GPIB Board for 664xA & 665xA Only Table 5-9 Table 5-9
A3 Front Panel Circuit Board All Models Table 5-10 Table 5-10
A4Al/A4A3 Left Tunnel Board for 655xA & 665xA Only - Table 5-11
A4A2/A4A4 Right Tunnel Board for 655xA & 665xA only - Table 5-12
Model Applicability
The title of each table in this section indicates the power supply models covered in the table. A separate column called
Applicable Models indicates when a part is applicable to only specific models. If no entry appears in the Applicable
Models column, then the part applies to all models covered by the table. See Table 5-2 for reference designators and
Table 5-3 for abbreviations.
Table 5-2. Part Reference Designators
A assembly J jack SW switch
B blower (fan) K relay T transformer
C Capacitor L inductor TB terminal block
CR thyristor/SCR P plug U integrated circuit
D diode Q transistor VR voltage regulator
DSP display (LCD) R resistor W cable or jumper
F Fuse RT thermal resistor Y crystal oscillator
Table 5-3. Part Description Abbreviations
assy assembly M metric sq square w/o without
bd board mch machine submin subminiature xfmr transformer
blvl belleville mm millimeter thk thick xtal crystal
gnd ground mtg mounting thrd thread
lg long PCB pc board w/ with
How To Order Parts
You can order parts from your local Agilent Technologies Sales and Support Office (see the list of offices in the back of this
manual). When ordering a part, please include the following information
• the Agilent part number • the part description
• the desired quantity • the power supply model number ("Agilent 6545A").