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Volvo Delco Instruction Manual

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Volvo Trucks North America, Inc.
Greensboro, NC USA
This Service Bulletin replaces Service Manual 39, "Delco
Audio System Troubleshooting, VN" (12.1998), publication
number PV776-TSP109859.

Audio System

Delco/Delphi
This service information covers the Delco/Delphi System Design and Function. For
further information refer to Group 3.
Contents:
•
•
•
"Noise" page 9
•
•
•
•
•
•
•
"Amplifier" page 38
•
"Speakers" page 39
•
"Antenna" page 41
•
"Schematics" page 45
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
Service Bulletin
Date
Group
392
4.2004
Audio System Design and Function
Trucks
No.
Page
08
1(47)
Delco/Delphi
VN, VHD
USA14750

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Summary of Contents for Volvo Delco

  • Page 1: Table Of Contents

    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: • “Volvo VN Sound System” page 2 • “Radio Signals” page 3 •...

  • Page 2: Volvo Vn Sound System

    Service Bulletin 4.2004 2(47) Volvo VN Sound System The audio receiver systems in the Volvo VN series trucks are selected and tuned for optimized performance. All VN models are available with a variety of Delco/Delphi Electronics components. Three receiver families are available: •...

  • Page 3: Radio Signals

    Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 3(47) Radio Signals The radio signal is sent from a broadcast station and this signal is then received by an antenna. The strength of the signal depends on the following: •...
  • Page 4 Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 4(47) AM Band W3003003 AM radio signals. (100 km = 62 miles) Radio signals in the AM band have lower frequency and longer wavelengths than the FM band. Some characteristics of the AM band include: •...
  • Page 5 Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 5(47) FM Band W3003002 FM band signal. (100 km = 62 miles) Radio signals in the FM band have higher frequency and shorter wavelengths than the AM band. Some characteristics of the FM band include: •...
  • Page 6 Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 6(47) Weatherband NOAA — (National Oceanic and Atmospheric Administration) is a service of the “Voice of the National Weather Service.” It provides continuous broadcasts of the latest weather information directly from the National Weather Service offices.
  • Page 7 Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 7(47) Signal Disruption W3003001 Since the higher frequency signals behave more like light, the signal may be reflected or there may be areas of shadow. When a receiver has more than one signal due to reflection, we call it multipath distortion.
  • Page 8 Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 8(47) Electrical Interference Electrical interference signal disruptions may come from electrical fields near high tension power lines, vehicle electrical devices or other high power radio signals. Strong FM band signals are usually not affected by electrical interference.

  • Page 9: Noise

    Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 9(47) Noise Noise is an undesirable interference in the audio system. Noise can enter the audio system one of two ways, conducted or radiated. • Conducted noises will have a physical connection to the audio system through one of the audio system circuits.

  • Page 10: Troubleshooting Consideration

    Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 10(47) If conditions are correct, the RF wave is absorbed into the system and will induce stray currents internally within the system. RFI has the capability to cause disturbances over longer distance because of the probability of susceptible devices being highly sensitive.

  • Page 11: Stereo Receiver

    11(47) Stereo Receiver Weatherband Family W3003393 This features a Delco/Delphi Heavy Duty stereo receiver with weather-band. The basic stereo receiver is also available with a cassette tape player. The stereo receiver is installed in the dash and receives constant battery power for its clock and memory functions.

  • Page 12: Operating Instructions

    Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 12(47) Operating instructions W3003394 1 Radio Power – Rotate the ON/OFF (1) control clockwise to turn the radio on; rotate CCW to turn radio off. Volume – Rotate VOL (1) control clockwise to increase volume.
  • Page 13 Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 13(47) 5 Push-buttons – Press one of the five push-buttons (5) 12 Tape Player – Insert a tape into the door marked to recall a preset station. (Use the following procedure AUTO REVERSE (12).

  • Page 14: High Performance Family

    Service Bulletin 4.2004 14(47) High Performance Family Theft Deterrent Feature The premium sound system features a Delco/Delphi Heavy Duty High Performance stereo receiver available ® THEFTLOCK is designed to discourage theft of your with either a cassette or a CD player. The stereo receiver radio.
  • Page 15 Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 15(47) Operating Instructions W3003403 Clock Alarm 12 or 24 Hour Mode: To Set the Alarm: 1 Turn the ignition ON and the radio off. 1 Press the alarm button (5) and hold until an alarm icon...
  • Page 16 Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 16(47) Radio Band: Press the BAND (4) button to switch between AM, FM1 and FM2. The radio display shows the Power: The radio can be turned on when the ignition is selection.
  • Page 17 Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 17(47) Adjusting the Radio: AUDIO: To adjust Balance, Fade, Bass, Treble, DIM and SEEK Sensitivity, press the AUDIO button (10) until the feature appears on the display. Balance: Rotate the VOL knob (1) to move the sound to the left or right speakers.
  • Page 18 Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 18(47) W3003404 Cassette Tape Player EJECT: Press the eject button (6) to eject a tape from the tape player. To Play a Cassette Tape: DISPL: Press the DISPL button (7) to view the time, SIDE 1 Turn the radio on.
  • Page 19 Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 19(47) Cleaning the Tape Player: After 24 hours of cassette play, the display will read TIME TO... If then pressing the DISPL button (7), CLEAN TAPE PLAYER will appear.
  • Page 20 Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 20(47) W3003401 Compact Disc Player Note: When driving on a very rough road or if it is very hot, the disc may not play and ERROR and a number To Play a CD: may appear, for 5 seconds, on the display.
  • Page 21 Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 21(47) Theftlock 8 Confirm that the code on the display matches your secret code. When THEFTLOCK is activated, the radio will display LOCKED to indicate a locked condition anytime battery 9 Press BAND (1).
  • Page 22 Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 22(47) Infrared Remote Control • High Performance and XTA Uplevel receivers are BAND : Press to select AM, FM1, FM2, FM3, or WX compatible with an optional hand-held remote control.
  • Page 23 Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 23(47) Cassette Tape Cassette tapes operate on the basis of magnetics. When an unrecorded tape passes through the record head, the oxide particles are magnetized such that the pattern represents electronically the sound information that one wishes to record.
  • Page 24 Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 24(47) Bad Tape Detect If the receiver detects a bad cassette, “BAD TAPE” will appear on the display, and the tape will be ejected. The tape may be damaged or too tight. If it is damaged, try a new tape.

  • Page 25: Compact Disc Player

    Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 25(47) Compact Disc A compact disc contains digitally encoded music which is read by a laser beam. The data is read as a change in laser light intensity. Since no stylus ever touches the disc surface, there is no disc wear from playing.

  • Page 26: Compact Disc Care

    Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 26(47) Compact Disc Care W3002998 Particular care and handling should be taken to preserve compact discs. • Mini CDs called “singles” (about 0.1 m (4 in.) in diameter), in most cases, will not eject and should not be used.

  • Page 27: Cd Changer - High Performance Family

    Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 27(47) CD Changer — High Performance Family W3002991 The VN 770 and the VN 660 equipped with a High Performance Family System may be equipped with a six disc CD changer, capable of storing and playing up to 6 full size CD’s.
  • Page 28 Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 28(47) All CD functions, except ejecting of the magazine, are controlled by stereo buttons. While the CD changer is loading CDs, the CD changer icon in the radio display will blink.

  • Page 29: Cd Changer Magazine

    Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 29(47) CD Changer Magazine Handling the CD Magazines Precautions for handling magazines: • Do not put the magazine in a place where it will be exposed to high temperatures or direct sunlight.
  • Page 30 Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 30(47) W3006166 Loading and Unloading the CD Magazine — High Performance Family To Insert a Disc 1 Be sure to hold a disc with the label (the side where titles are printed) up as shown.
  • Page 31 Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 31(47) To Remove a Disc 1 Turn the magazine upside down, hold it level and turn the disc release lever in the direction of release to unlock. 2 The disc can now be removed from the magazine by lightly pushing them through the opening.
  • Page 32 Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 32(47) Loading and Unloading the CD Magazine — XTA Family The CD Changer Magazine can hold up to six discs. To load the magazine, use on the following methods: Method 1: 1 Select up to six discs to load into the magazine.
  • Page 33 Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 33(47) To Unload the Magazine 1 With one hand, hold the magazine, so that the grooved side faces up and the arrow side faces down. 2 With the thumb or finger of your other hand, pull the handle of the disc tray you want to unload outward until it stops.
  • Page 34 Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 34(47) Inserting and Removing CD Magazines — XTA Family Note: The CD Changer Magazine can be loaded into the changer with the vehicle’s ignition on or off. After the magazine is loaded, it initializes and checks to see which magazine trays have been loaded.
  • Page 35 Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 35(47) To remove the CD Magazine from the Changer 1 Open the changer’s door. 2 Push the eject button (EJECT). The magazine ejects automatically. 3 Slowly pull the magazine straight out of the changer.
  • Page 36 Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 36(47) Playing CDs Loaded in the CD Changer W3003538 High Performance Family 1 Make sure the CD changer is loaded. 2 Turn on the radio. 3 Press the CD changer button (1) on the radio. When a...
  • Page 37 Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 37(47) XTA Family 1 Make sure the CD Changer is loaded. 2 Turn on the receiver. 3 Press the CD Changer button (1) on the receiver. When a CD begins to play, the display will show the disc number, track number and the elapsed time on the track.

  • Page 38: Amplifier

    The amplifier provides better sound performance in general and can be played at higher volume levels without noticeable distortion. The Delco/Delphi Electronics amplifier in the VN 770’s High Performance, Premium speaker package has been tuned with special volume levels and filters at specific frequencies on all eight channels to optimize the system components for the vehicle’s unique acoustics.

  • Page 39: Speakers

    Volvo utilizes several types of speakers, all designed differently, in their vehicle sound systems. If speakers are replaced, always use OEM replacement parts to maintain...
  • Page 40 Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 40(47) Speaker Location W3003016 1 Door speaker (all models, both sides) 5 Subwoofer (VN 770) 2 Dash speaker (all models, both sides) 6 Rear speaker (VNL 420, both sides)

  • Page 41: Antenna

    Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 41(47) Antenna The antenna collects radio frequency signals. Electromagnetic energy (radio waves) from a broadcast antenna induces a very small AC voltage in the receiving antenna. The small AC voltage is then brought to the radio receiver for processing and conversion to acoustical energy.
  • Page 42 Page Service Bulletin 4.2004 42(47) Antenna Types Three types of antennas are currently used on the Volvo VN/VHD series truck. • Fixed Mast – Offer, excellent overall performance currently available. The antenna is grounded at the base to the metal roof of the cab by the mounting bracket.
  • Page 43 Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 43(47) • Ribbon – The ribbon antenna is made from a 3 conductor insulated wire with each conductor being precisely tuned to a desired frequency. The shortest conductor is tuned to the Weather-band, the middle length conductor is tuned to the FM band and the longest conductor is tuned to the AM band.
  • Page 44 Note: Multiplex antennas are available with single (drivers side only) or dual antennas. W3003138 The multiplexer antenna system is standard on the Volvo VN 660, VN 770 and optional on other VN/VHD model vehicles. Cellular phone antenna cable (option). Radio antenna cable.

  • Page 45: Schematics

    Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 45(47) Schematics Amplified 8 Speaker (+ Subwoofer) System Schematic W3003007 Note: For detailed, vehicle specific, electrical schematics see: VN/VHD Series Electrical Schematics – Group 37.

  • Page 46: Service Bulletin

    Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 46(47) 6 Speaker System Schematic W3003399 Note: For detailed, vehicle specific, electrical schematics see: VN/VHD Series Electrical Schematics – Group 37.
  • Page 47 Volvo Trucks North America, Inc. Date Group Page Service Bulletin 4.2004 47(47) 4 Speaker System Schematic W3003396 Note: For detailed, vehicle specific, electrical schematics see: VN/VHD Series Electrical Schematics – Group 37.

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