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e Repeat the procedures in each adjustment several times, and
the frequency
coverage
and tracking
adjustments
should
be
finally
done
by the
trimmer
capactitors.
MW Tuned
Indication Lighting Level Adjustment
BAND select switch:
MW
1.
Qutput 0.42mV (52dB),
1, 404kHz from AM RF signal
generator.
2.
Adjust RV102 so that the LCD TUNED light up.
LW OSC Voltage Adjustment
Procedure:
Connect the VOM to D002-2 cathode (VT).
2.
Set the BAND selector switch to LW.
3.
Push the TUNING
(+, —) button for 153kHz(IT:144kHz).
Adjust L001 for 0.9 to 1.1V reading on the VOM
4.
Push the button for 281kHz(IT:288kHz).
Adjust CTOO1
for 6.8 to 7.2V reading on the VOM.
LW TRACKING ADJUSTMENT
Adjust for a maximum reading on VTVM.
162kHz
270kHz
Adjustment Location:main board
— Component side—
SW OSC Voltage Adjustment (E,Saudi Arabia,Australian model)
Procedure:
Connect the VOM to FEOO1® pin(VT).
Set the BAND selector switch to SW.
Push the TUNING
(+, —) button for 5. 95MHz.
Adjust L003
for 0.9 to 1.1V reading of the VOM
Push the button for 17.9MHz.
Adjust CT003 for 8.3 tp 8.7V
reading on the VOM.
SW TRACKING ADJUSTMENT
Adjust for a maximum reading on VTVM.
rn
RV102 MW TUNED
FEQO1|
@VT
cTO01
fan
} LW OSC VOLTAGE
L003
SW OSC VOLTAGE
1FT102
{'FT101
vie
RVI01 FM TUNED
kl NL, Sheet
7
croo4 J SW TRACKING
g
(}*-D002-2 cathode(V7)
'a TA
CTOOS
LW TRACKING
FLOO!
LO10
TP301 L102
os
LB
RV321
PB LEVEL(L)
Re
ay
RV421 } betes PB LEVEL(R)
2
aq
Mh
Sy,
RV331
PB LEVEL(L)
:
Q
avagt > PECK 8 pp ever cR)
(<
ce
RV361
REC BIAS(L)
Q
®)
avai > PEK B pec piascr)
RV341
REC LEVEL(L)
vagy > DECK B pee vever cr)
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