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ALIGNMENT
PROCEDURES
GENERAL
ALIGNMENT
CONDITIONS
1. The position of volume control is at maximum position.
2. Signal input must be kept as low as possible to avoid voerload.
3. Use an output meter of the highest possible sensitivity.
4. Standard modulation is 400 Hz at 30% amplitude (for AM) and 22.5 kHz deviation (for FM).
AM BAND — Band selector switch in AM position.
_.
Repeat steps 2 thru 5 to obtain maximum sensitivity.
FM BAND-Band selector switch in FM position
Connection of | Input Signal | Dial Setting
Connection of Meter
:
Connect Sweep
[ |
Connect scope input
Adjust for maximum
Marker Gener-
cable thru network
sensitivity with
ator to R103,
WEG
Lowest End
to TP3, T304 (E)
et, Tones
symmetrical curve.
VC(E)
Connect scope input
Adjust for symmetri-
2
Same
10.7 MHz
Lowest End
IFT T305
cable thru network
cal ''S'' cruve.
to TP4, T303 (E)
Connect Signal
3
Generator to
88.0 MHz
88.0 MHz
Osc. Coil L103
TP1, 2
Same
108.0 MHz
108.0 MHz
Same
Osc. Trimmer
Same
VCT 1-2
Connect V.T.V.M.
across speaker
Same
106 MHz
106 MHz
Same
RF Trimmer
Same
VCT 1-1
Repeat steps 1 thru 6 to obtain maximum sensitivity.
NO
Adjust for maximum
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