Sony IGF-M50RDS - Section 2 Adjustments; AM IF Adjustment; MW VCO Adjustment; SW VCO Adjustment

SECTION 2
ADJUSTMENTS
AM SECTION
AM RFF signal
generator
put the lead-wire
antenna close to
MO the set
(Games
400Hz, 30%
AM modulation
Output level: as low as possible
FM SECTION
FM RF signal
generator
telescopic antenna
input
(aes
400Hz, 30% FM modulation
frequency devition +22.5kHz
Output level: as low as possible
AM IF ADJUSTMENT
Adjust for a maximum reading on VOM.
450 kHz
MW VCO ADJUSTMENT
Adjustment Frequency
Part Voltmeter
Lg
Confirm
LW VCO ADJUSTMENT
Adjustment Frequency Reading on Digital
Display Voltmeter
Part
CT5
Confirm
153 kHz 2.3+0.1 V
279 kHz 8.341V
LW TRACKING ADJUSTMENT
Adjust for a maximum reading on VOM.
L10 (LW) 162 kHz
243 kHz
EARPHONE jack
digital voltmeter
[_]
Jw9 =e
@ Repeat the procedures in each adjustment several times, and
the tracking adjustments should be finally done by the trimmer
capascitors.
SW VCO ADJUSTMENT
Part . Display Voltmeter
| is] MHz | 8t0lv |
Part Display Voltmeter