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EMERGENCY TROUBLE SHOOT
3-2. Tuner Function
Yes
Hearing noise
only
Extreme noise
in broadcast
A
Yes
Yes
Select exactly
broadcasting
frequency.
Tuner Module is
inferior goods.
Yes
Change tuner
module to
superior goods.
Weak frequency
area caused by
elevations
Yes
Change to goods of
R.D.S function.
No selected the
station
No
Ref. CAT-6, 7 etc
Electrical Parts List
B
No
Weak
separation of
FM stereo
Station in
other regions
are not held.
Antenna
connector is
missing
Yes
Put exactly
antenna connector
in his jack
Yes
Weak frequency
area of FM, AM
Yes
Switch
automatically to
mono mode in
weak frequency
area
Yes
No selected the
local stations.
Yes
Ref. Point
Ref. Function of autoswitch noise
reduction
A or B
R1
In case of located Glass Antenna, check if heat wire is cut or not in rear window.
R1
Check Antenna connector part.
6