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Model
11793A
Microwave Converter
Equipment
Refer to Table
4,
Recommended Test Equipment.
35.
Repair
Cleanliness
Do not handle the A1 Switch Control Assembly ,,oard more than necessary.
If
dirt or moisture from the
hands comes in contact with the circuit side of the A1 board, the circuits may become inoperative.
Do
not
use solder flux remover on the circuit board.
36.
Cleaning the Control-Line Switch Contacts
These instructions pertain to switches
S1
(in instruments with the
LO
amplifier option), and/or
S2
(standard and
LO
amplifier option configuration) located within the
RF
module. See Figure
9,
Switch
Contact Location.
TERMINAL
1
SPRING CONTACT
\
TERMINAL C
SWITCH.
CONTACT
CR2
TERMINAL
2
\
SPRING CONTACT
/
Figure
9.
Switch Contact Location
1.
Remove the switch from the
RF
module. Refer to Paragraphs
39
or
40,
RF
Module disassembly
procedures.
2.
Remove the two screws on the switch cover and remove the cover.
3.
Saturate the edge of a sheet
of
durable paper with alcohol.
27