Sony MHC-5500 - Bottom View; Front Side; Tuner Board

1AM SECTIONI
•
AM TUNING LEVEL Adjustment
Setting:
AM RF signal
generator
,~,-:
Carrier frequency: 216kHz
30% amplitude
modulation
by
400Hz signal
Output revel:
LW 68dBµ
Procedure:
Put the lead-wire
antenna close to
the
set.
1. Tune the set to 216 kHz.
2. Adjust the RV22 so that the TUNED LED goes on.
[Parts Arrangement Diagram for Adjustments]
RV24: Tuning Level Adjustment (FM)
BOTTOM VIEW
g -----------
1
1
1
1
1
1
1
1
1
1
1
c=J c:::J . ) D
CJCJ~
CJ
C]
c:=:J
I..._/ ____ c=J--c=i--c=J--
c=i c=i c=i c=J
c=i c=i c=i c=J
TUNER BOARD T21 : Null Adjustment
-6-
RV22: Tuning Level Adjustment (AM)
RV21 : Stereo Separation Adjustment
FRONT SIDE
www.audiodna.sk