window AUDI A4 1995 B5 / 1.G Radio System Workshop Manual

91-1


Radio systems

General information


CAUTION!

Before working on the electrical system:

Determine the correct coding for the anti-
theft radio.
Disconnect the battery Ground (GND)
strap.

Note:
After re-connecting the battery, activate the
vehicle's electrical equipment (radio, clock,
power windows, engine) according to the owner's
manual.
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91-4

Radio system, overview ( m.y. 1997)


"Delta" radio system
Multi-pin connectors I, II, III (on back of radio), terminal assignments
Note:
Terminals which are not listed are vacant/unassigned. 1 - Rear window antenna with antenna amplifier
2 - Bass speaker in front door trim (bottom)
3 - Mid-range/treble speaker in front door trim (top)
4 - Broad-band speaker (active with double amplifier) in parcel shelf (left-
rear)
5 - Broad band speaker (passive) in parcel shelf (right-rear)
6 - CD changer (optional) in luggage compartment (left-rear)

20-pin connector I
1 - Line out, left-rear
2 - Line out, right-rear
3 - Low frequency Ground (GND)
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91-7

"Delta" radio with BOSE sound system

Multi-pin connectors I, II, III (on back of radio) terminal assignments
Note:
Terminals which are not listed are vacant/unassigned. 1 - Rear window antenna with antenna amplifier
2 - BOSE amplifier in luggage compartment (left-rear)
3 - Bass speaker in front door trim (bottom)
4 - Mid-range/treble speaker in front door trim (top)
5 - Broad band speaker in rear door trim
6 - Bass speaker in parcel shelf
7 - CD changer (optional) in luggage compartment (left-rear)

20-pin connector I
1 - Line out, left-rear
2 - Line out, right-rear
3 - Low frequency Ground (GND)
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91-10

Radio system, overview (m.y. 1998 )


"Concert" radio (sedan)

"Concert" radio (Avant) 1 - Rear window antenna with antenna amplifier
2 - Bass speaker in front door trim (bottom)
3 - Mid-range/treble speaker in front door trim (top)
4 - Broad band speaker (active with double amplifier) in parcel shelf (left-
rear)
5 - Broad band speaker (passive) in parcel shelf (right-rear)
6 - CD changer (optional) in luggage compartment (left-rear)

1 - Roof antenna with antenna amplifier
2 - Bass speaker in front door trim (bottom)
3 - Mid-range/treble speaker in front door trim (top)
4 - Broad band speaker (2-way) in rear door trim
5 - Bass speaker (subwoofer) in left-rear of cargo area under side trim
6 - CD changer (optional) in left-rear of cargo area under storage
compartment
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91-14

"Concert" radio with BOSE sound system
(sedan)

"Concert" radio with BOSE sound system (Avant) 1 - Rear window antenna with antenna amplifier
2 - Telephone speaker
3 - BOSE amplifier in luggage compartment (left-rear)
4 - Bass speaker in front door trim (bottom)
5 - Mid-range/treble speaker in front door trim (top)
6 - Broad band speaker in rear door trim
7 - Bass speaker in parcel shelf
8 - CD changer (optional) in luggage compartment (left-rear)

1 - Roof antenna with antenna amplifier
2 - Telephone speaker
3 - BOSE amplifier combined with bass speaker (subwoofer) in cargo
area (left-rear) under side trim
4 - Bass speaker in front door trim (bottom)
5 - Mid-range/treble speaker in front door trim (top)
6 - Broad band speaker in rear door trim
7 - CD changer (optional) in cargo area (left-rear) under storage
compartment
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91-18


Radio system, overview (sedan)

1 -
Radio
In center consoleRemoving and installing page 91
-23
2 -
BOSE amplifier
In luggage compartment (left-rear) under
parcel shelf Removing and installing page 91
-35
3 -
Antenna amplifier
In left D-pillar trimRemoving and installing page 91
-39
4 -
Rear window antenna
Upper 3 wires are AM antenna (non-
heated) Remaining wires are FM antenna (heated)Removing and installing Repair Manual, Body Exterior, Repair Group 64
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pair&id=AUDI.B5.EE02.91.1