Alpine CDM-7874RB - Page 7

CDM-7874RB/CDN-7872RB/CDN-7871R
CDM-7871RM/CDE-7860R
Adjustment
Procedures
1. FM/AM SECTION
(1) Dummy Antenna Circuit
+ 10ohm = 450hm |
Input 60ohm Output
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For 50 ohm FM Signal Generator Figure 1
| 300hm 15pFo
Input 65pF ‘Output
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For 50 ohm AM Signal Generator Figure 2
(2) Connections
Antenna Receptacle AC VTVM
FM Dummy
Antenna
xX Figure 3
GND short for 0.5 sec. ~
Antenna Receptacle AC VTVM
AM Dummy
Antenna
AM
Signal
Generator
Unit
Under
Test
‘ Figure 4
GND short for 0.5 sec.
(3) Control Settings
Power
SWItCH
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ON
Band
Switch
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FM/AM
(MW/LW)
Fader
Control
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Center
Position
LOUD/SUB-W
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OFF
Balance
Control
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Center
Position
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OFF