Alpine 7619R - Page 10

Adjustment
Procedures
1 FM SECTION
(1) Dummy Antenna Circuit
1 100hm 450hm 4
I ‘
Input ! 600hm ’ Output
1 |
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For 50 ohm FM Signal Generator Figure 7
(2) Connections
Antenna Receptacle
DC Volt
Meter
FM Signal Generator
FM Dummy
Antenna
7619R
Unit Under Test pgure:8
Antenna Receptacle
FM
Signal
Generator
{
i
AC
VTVM
O 40hm
FM Dummy (O) Front Output 5
Antenna
GND +
”
Figure
9
Unit Under Test z
Antenna Receptacle
AC VTVM
FM Signal Generator
FM Dummy
Antenna
Figure 10
Unit Under Test
Antenna
Receptacle
FM Signal Generator Y ore Unger Lest
FM Dummy
Antenna
180Kohm
~ 15 —-
Frequency Counter
Figure 11
7619R
(3)
FM Stereo Modulator
FM Signal Generator
Antenna
Receptacle AC VTVM
FM Dummy
Antenna
Unit Under Test
Figure 12
RDS
Modulator
FM
Signal
Generator
Antenna
Receptacle
Oscilloscope
FM Dummy
Antenna
Unit Under Test Figure 13
Control Settings
Power
Switch
.........-0
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ON
Fader
Control
......-..-..
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Front
Balance
Control
................55
Mechanical
Center
Treble/Bass
Control
...............
Mechanical
Center
Band
SwitCh
-
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oases
newest
tare
FM
Others+'.
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-~i16—-