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Alpine 3JDE-788S Service Manual page 19

Fm/mw/lw/rds in-dash cd changer receiver

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3DE-7886R
|
Adjustment Procedures
1. FM SECTION
(1) Dummy Antenna Circuit
+ t0ohm
450hm_—s!
I
Input |
< >
600hm
'Output
i
'
Wo
te ote AA
2)
a
ee
1
(2)
Connections
For 50 ohm FM Signal Generator
Figure 1
Antenna Receptacle
DC Volt Meter
FM Dummy
Antenna
'igure 2
Oscilloscope
FM Dummy
Antenna
FM Signal Generator
Unit Under Test
Figure 3
FM Stereo Modulator
FM Signal Generator
Antenna
Receptacle
FM Dummy
Antenna
Unit Under Test
(3)
Control Settings
Power SWitCh
vc eeccecssecsessecsssecsesesseeees
ON
Bass Control
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Center Position
Fader Control
vtec
Center Position
Band: Switch
sissscscceitansschitectcessceceescctiseet
FM
Balance Control
ose
Center Position
OMORS?
etieisecsitiatictditentausecetennds
OFF
Treble Control
oceans
Center Position
~10-—

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