Alpine 7980M - Page 11

7980M
Adjustment Procedures
1 FM SECTION
(1) Dummy Antenna Circuit
| 10ohm - 450hm_—s
i f
Input | 600hm | Output
1 i)
beeen eee ee J
For 50 ohm FM Signal Generator Figure 1
Changer Unit
(2) Connections
DC Volt
Meter
Antenna Receptacle
t
FM Signal Generator
FM Dummy
Antenna
Figure 2
Tuner Unit
Changer Unit
Antenna Receptacle
AC VTVM
FM Signal Generator
FM Dummy
Antenna
Figure 3
Tuner Unit
FM Stereo Modulator Pils lana) Geberanor
Changer Unit
Antenna
Receptacle
AC VIVM
FM Dummy
Antenna
Tuner Unit 1Okohm
Figure 4
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