Adjustment Procedures; Adjustment Locations - Alpine CDM-9803R Service Manual

Adjustment Procedures

1. FM SECTION
(1) Dummy Antenna Circuit
(2) Connections
+
-
FM Signal Generator
(3) Control Settings
Power Switch .............................................. ON
Fader/Balance Control
Treble/Bass Control
(4) Adjustment Procedures
Step Description
1 0V Adjustment

Adjustment Locations

TUNER Unit (TU001)
(Component Side View)
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10ohm
Input
For 50 ohm FM Signal Generator
Antenna Receptacle
FM Dummy
Antenna
............. Center Position
................. Center Position
Connection Signal Generator
98.1MHz, 72dB µ
Figure2 (Mod. OFF/
ST OFF)
0V Adjustment VR
45ohm
60ohm
Output
Figure 1
TP1
TP2
Unit Under Test
Band Switch ............................................ FM
LOUD/SUB-W ....................................... OFF
Others ................................................... OFF
Dial Control Test Point
TP1
98.1MHz
TP2
TP1
TUNER Unit (TU001)
(Foil Side View)
DC Volt Meter
+
-
Figure 2
Adjustment
Adjust for 0V±15mV.
TP2