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Model 11869A
Sendee
SECTION VIII
SERVICE
8-1.
INTRODUCTION
8-2.
This section contains troubleshooting and repair information
for the model 11869A RF Plug-in Adapter. This information includes
theory of operation, block diagrams, schematics, parts location
diagrams, and troubleshooting procedure.
8-3.
SAFETY CONSIDERATIONS
8-4.
Warnings and cautions must be followed for your protection and
to avoid damage to the instrument.
WARNING |
Troubleshooting inside the 11869A with the
top or bottom cover removed from the 8350A
and the AC power connected should be avoided
whenever possible. ANY PROCEDURE REQUIRING A
COVER TO BE REMOVED FROM THE 8350A AND AC
POWER CONNECTED TO IT SHOULD BE PERFORMED
ONLY BY QUALIFIED SERVICE PERSONNEL WHO ARE
AWARE OF THE HAZARDS INVOLVED. With the AC
power cable connected to the 8350A, the AC
line voltage is present on the terminals of
the line power module on the rear panel and
at the front panel LINE
switch, whether the
switch is on or off. The AC line voltage on
these terminals can, if contacted, produce
fatal electrical shock. Capacitors inside the
instrument may remain charged even when the
instrument has been disconnected from its AC
power source.
8-5.
SCHEMATIC DIAGRAM NOTES
8-6.
Figure 8-1 provides basic component symbology,
logic symbology,
integrated circuit symbology,
function label abbreviations, and line
label abbreviations.
8-7.
MNEMONICS
8-8.
The HP-IB mnemonics used in the model 11869A RF Plug-In Adapter
are listed in Table 8-1. This list includes signal descriptions and
interface connector pin numbers.
8-1
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