TUNER SECTION0 dB=1 ?VAM IF ADJUSTMENT
Adjust for a maximum reading on level meter.
[FM]
T1455 kHz
Setting:
FUNCTION switch : RADIO
BAND switch : FMMW FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
FM RF SSG
L4520 kHz (516 kHz)
TUNER boardCT41,680 kHz (1,630 kHz)
0.01 ?F
CNP1
MW TRACKING ADJUSTMENT
22.5 kHz frequency deviation
by 400 Hz signal.Adjust for a maximum reading on level meter.
output level: as low as possible
L3600 kHz
CT31,400 kHz
[MW]
Setting:
FUNCTION switch : RADIOSW1 FREQUENCY COVERAGE ADJUSTMENT
BAND switch : MWAdjust for a maximum reading on level meter.
L62.2 MHz
AM RF SSG
Put the lead-wire
CT67.3 MHz
antenna close to
the set.
SW1 TRACKING ADJUSTMENT
30% amplitude modulation byAdjust for a maximum reading on level meter.
400 Hz signal
L52.2 MHz
output level: as low as possible
CT57.3 MHz
[SW]
SW2 FREQUENCY COVERAGE ADJUSTMENT
Setting:
FUNCTION switch : RADIOAdjust for a maximum reading on level meter.
BAND switch : SW1/SW2L86.8 MHz
FINE TUNING knob ...................................... mechanical centerCT822.5 MHz
AM RF SSG
SW2 TRACKING ADJUSTMENT
TUNER board
12 pFAdjust for a maximum reading on level meter.
CNP1
L76.8 MHz
30% amplitude modulation by
CT722.5 MHz
400 Hz signal
output level: as low as possible
level meterFM VCO Adjustment
Setting:
32 W
+FM RF SSG
set
�
PHONES jack (J301)TUNER board
0.001 ?F
CNP1
Y Repeat the procedures in each adjustment several times, and the
frequency coverage and tracking adjustments should be fCarrier frequencyinally: 98 MHz
done by the trimmer capacitors.Modulation: no modultion
Output level: 0.1 V (100 dB)
(): Saudi Arabia model
FM IF ADJUSTMENTProcedure:
1. Connect the frequency counter to pin 4 and 7 of IC1 as shown
Adjust for a maximum reading on level meter.
the figure below.
T210.7 MHz
2. Tune the set to 98 MHz.
3. Adjust RV1 for 76 kHz reading on the frequency counter.
FM FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.Specifications: 75.95 kHz to 76.05 kHz.
L2 (L21)86.5 MHz (87.35 MHz)
frequency counter
CT2109.5 MHz (107.8 MHz)
TUNER board
1 ?F
IC1 pin 4+
FM TRACKING ADJUSTMENT+
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Adjust for a maximum reading on level meter.IC1 pin 7
33 k W
L186.5 MHz (87.35 MHz)
CT1109.5 MHz (107.8 MHz)Adjustment Location: TUNER board (See page 11)
� 10 � |
ACEC
