Electrical Adjustment - Aiwa CT-R442 Service Manual

FM RDS S-METER ADJUSTMENT
Setting:
FM RF signal
generator
Carrier frequency : 98.00 MHz
Output level : 31 dB (35.5 µV)
Mode : mono
Modulation : 1 kHz , 45 kHz deviation
Procedure:
[TUNER TU]
1. Press the button to set "FM".
2. Adjust RV101 on MAIN board so that the value of digital
voltmeter becomes 2.0 ± 0.1V.
MAIN board
TP (S.METER)
SECTION 3

ELECTRICAL ADJUSTMENT

MAIN board
FM/AM antenna
(J101)
0.01 µF
set
digital voltmeter
100 k Ω
+
–
Adjustment Location:
– MAIN BOARD (Component Side) –
– MAIN BOARD (Conductor Side) –
TP
(S.METER)
IC901
CT-R442
RV101
FM RDS S-meter
Adjustment
11