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r
2.
Set the receiver input voltage selector to match the
available AC line voltage.
3.
Energize the receiver and test equipment.
Allow 30
minutes for warm-up before proceeding.
4.
Set
the
receiver
to
AM
Detection
Mode,
50 kHz
Bandwidth
and
MAN
Gain
Mode.
Rotate
the
PHONE
LEVEL, RF GAIN and LINE AUDIO controls fully CCW.
5.
Refer to Table 4-3.
Beginning with step 1, perform
each of the checkout procedures.
6.
If a
malfunction is encountered,
refer to the IF
INDICATION IS ABNORMAL column.
This column refers
to a corresponding step in Table 4-4, Troubleshooting
Procedures, listing the probable cause and additional
tests
steps
necessary
to
locate a
defective receiver
module.
7.
Perform any tests steps or corrective action indicated in
Table 4-4.
Replace any receiver modules indicated in
the CORRECTIVE ACTION column.
8.
Verify corrective action by repeating the Checkout
Procedure in Table 4-3 that identified the malfunction.
9.
Proceed to the next Checkout Procedure step in Table
4-3 only after obtaining the required response as
indicated in the NORMAL INDICATION column.
10.
Defective receiver modules removed in Step 7 may be
repaired
by
referring
to the appropriate module
checkout and troubleshooting procedure in paragraph
4.3.4.
4-5
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