3-2-4 FM Tuner
ITEM
SIGNAL GENERATOR SETTING
TUNER
ADJUSTMENTS
MEASURING
POINTS, RESULT
Audio
Modulation Frequency
Output
1. VOLTAGE
adjustment
2. IFT
adjustment
106.1MHz
90.1MHz
22.5KHz
1KHz
L5
Check
VT
25 dBuV
5.5-5.9V
SETTING
VT
1.2-1.6V
output level
Maximum
90.1MHz
90.1MHz
Check
FM signal generator
75 ohm
FM
AC voltmeter
1 k ohm
1 k ohm
Fig. 3-2-5
SL-D90
PHONES
6
SL-D90