Removing and installing amplifier R12 for digital sound package — VW

Removing and installing
amplifier
R12
for digital sound package
Note
When dealing with complaints, it is absolutely necessary to understand the function and the operation of the radio or the radio navigation system.
Additional information can be found in the
Operating manuals
.
In the event of repair work or fault finding, use
vehicle diagnosis system, testing and information system
VAS 5051B
or
vehicle diagnosis and service information system
VAS 5052 A
in
“Guided fault finding”
mode
,
Current flow diagrams, Electrical fault finding and Fitting locations
.
When the battery is reconnected, check operation of electrical equipment (radio, clock, convenience electronics and so on) according to the workshop manual or the operating manual.
There are 2 versions of the
amplifier
R12
:
The 8 channel amplifier
“Volkswagen sound system”
or sound system
“Monsoon”
for vehicles for USA and Canada, or
The 10 channel amplifier as sound system
“Dynaudio Authentic Fidelity”
The
amplifier
R12
extends the sound range of the radio or the radio navigation system.
The signal inputs on the
amplifier
R12
are activated by the loudspeaker outputs of the radio or radio navigation system.
Amplifier
R12
is installed under left front seat.
View of removed amplifier:
Removing
Complete following points before starting reinstallation:
Switch off ignition and all electrical loads, and pull out ignition key.
Move the seat as far back and as far up as possible.
Unclip cover in
direction of arrow
underneath seat.
Unscrew bolts
arrows
on
amplifier
R12
.
Pull out
amplifier
R12
until connectors can be accessed.
Release and pull off connectors on
amplifier
R12
arrows
.
Remove
amplifier
R12
.
Installing
Make sure that
amplifier
R12
is correctly pushed into fold on mounting when installing it
arrows
.
Further installation is carried out in reverse order!
Multi-pin connector A, 24-pin
1
Rear left treble loudspeaker, positive
2
Rear right bass loudspeaker, negative
3
Rear right bass loudspeaker, positive
4
Rear left bass loudspeaker, positive
5
Rear right treble loudspeaker, negative
6
Rear right treble loudspeaker, positive
7
Rear left treble loudspeaker, negative
8
Front left bass loudspeaker, negative
9
Front left bass loudspeaker, positive
10
Rear left bass loudspeaker, negative
11
Front right mid-range loudspeaker, negative
12
Front right mid-range loudspeaker, positive
13
Not assigned
14
Audio signal input, rear left, negative
15
Audio signal input, rear left, positive
16
Not assigned
17
Audio signal input, rear right, negative
18
Audio signal input, rear right, positive
19
Control in (optional)
20
Audio signal input, front left, negative
21
Audio signal input, front left, positive
22
Not assigned
23
Audio signal input, front right, negative
24
Audio signal input, front right, positive
Multi-pin connector B, 23-pin
1
CAN low
2
Front left mid-range loudspeaker, negative
3
Front left mid-range loudspeaker, positive
4
CAN high
5
Not assigned
6
Front left treble loudspeaker, negative
7
Not assigned
8
Not assigned
9
Front left treble loudspeaker, positive
10
Not assigned
11
Front right bass loudspeaker, positive
12
Front right bass loudspeaker, negative
13
Not assigned
14
Not assigned
15
Front right treble loudspeaker, positive
16
Voltage supply, negative
17
Not assigned
18
Front right treble loudspeaker, negative
19
Voltage supply, negative
20
Voltage supply, positive
21
Voltage supply, positive
22
Voltage supply, negative
23
Voltage supply, positive