Alpine CDM-9803R Service Manual page 7

Adjustment Procedures
1. FM SECTION
(1) Dummy Antenna Circuit
(2) Connections
+
-
FM Signal Generator
(3) Control Settings
Power Switch
Fader/Balance Control
Treble/Bass Control
(4) Adjustment Procedures
Step Description
1 0V Adjustment
Adjustment Locations
TUNER Unit (TU001)
(Component Side View)
Input
For 50 ohm FM Signal Generator
FM Dummy
Antenna
.............................................. ON
............. Center Position
................. Center Position
Connection Signal Generator
98.1MHz, 72dB µ
Figure2 (Mod. OFF/
ST OFF)
0V Adjustment VR
10ohm
45ohm
60ohm Output
Antenna Receptacle
Unit Under Test
Band Switch ............................................ FM
LOUD/SUB-W ....................................... OFF
Others ................................................... OFF
Dial Control
98.1MHz
Figure 1
DC Volt Meter
TP1
+
TP2
-
Test Point Adjustment
TP1
Adjust for 0V±15mV.
TP2
TP1 TP2
TUNER Unit (TU001)
(Foil Side View)
TO CONTENTS
Figure 2