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RX-28
ADJUSTMENT
:
OUTPUT
TUNER
ALIGNMENT
FM SECTION
BAND: FM
(A)
Connect a DC
98.0MHz
voltmeter between
DISCRIMINATOR | kHz, 475kHzdev
| TP3 and TP4.
aoe
7
an
60dBy(ANT input)
(X05-)
.
Minimum distortion.
98 aan
5
Z
PeIEEEO!
1kHz, +68.25kHz dev
(B)
aoe
Minimum distortion.
Pilot: +7.5kHz dev
'
60dBy(ANT input)
(C)
98.0MHz
1kHz, +40kHz dev
AUTO
en
SEPARATION
Pilot: +6kHz dev
(B)
98.0MHz
Minimum crosstalk.
Selector: L or R
60dBy(ANT input)
(A)
98.0MHz
AUTO or
Adjust VR1 and stop at the
TUNING LEVEL
1kHz, +75kHz dev
(B)
MONO
point where FL201
14dBu(ANT input) 75Q
98.0MHz
(TUNED) goes ON.
18dBy(ANT input) 3002
BAND: AM(MW) _
D
,
ae le
Adjust VR2 and stop at the
(1) | TUNING LEVEL
400Hz, 30% mod
1008 kHz
point where FL201
30%
(TUNED) goes ON.
26 dBp (ANT input)
19
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