Service Bulletin
Volvo Trucks North America, Inc.
Greensboro, NC USA
Date Group No. Page
4.2004 392 08 1(47)
Trucks
This Service Bulletin replaces Service Manual 39, “Delco
Audio System Troubleshooting, VN” (12.1998), publication
number PV776–TSP109859.
Audio System Design and Function
Delco/Delphi
VN, VHD
Audio System
Delco/Delphi
This service information covers the Delco/Delphi System Design and Function. For
further information refer to Group 3.
Contents:
•
“VolvoVNSoundSystem”page2
•
“RadioSignals”page3
•
“Noise”page9
•
“TroubleshootingConsideration”page10
•
“StereoReceiver”page11
•
“WeatherbandFamily”page11
•
“HighPerformanceFamily”page14
•
“CDChanger—HighPerformanceFamily”page27
•
“CDChangerMagazine”page29
•
“Amplifier”page38
•
“Speakers”page39
•
“Antenna”page41
•
“Schematics”page45
Note: Information is subject to change without notice.
Illustrations are used for reference only and may differ slightly from the actual
vehicle being serviced. However, key components addressed in this information are
represented as accurately as possible.
PV776-20 002689 USA14750
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