Sony XR-1800R Service Manual

– 15 –
MW Auto Scan/Stop Level Adjustment
Setting:
[TUNER] button: MW
Procedure:
1. Tune the set to 999 kHz
2. Connect the digital voltmeter to TP101 (SD) on MAIN board.
3. Adjust RV1 on TU100 so that the reading on the digital volt-
meter changes point from low to high.
Adjustment Location: See page 16.
AM RF signal
generator
Carrier frequency : 999 kHz
30% amplitude
modulation by
1 kHz signal
Output level : 33 dB (44.7
µ
V)
(50 Ω )
set
AM dummy antenna
30 Ω
15 pF
65 pF
antenna jack (CN900)
+
–
TP101 (SD)
MAIN board
    
digital
voltmeter

Sony XR-1800R Specifications

General

Brand	Sony
Model	XR-1800R
Category	Car Receiver
Language	English