SCD 5390 RDS /
SCD 5690 RDS
Allgemeiner T
eil / General Section
GRUNDIG
Service
1 - 13
Installation and removal
Installation materials and accessories
Your dealer can advise you as to what installa-
tion materials you will need and what acces-
sories are available.
Inserting the mounting frame
Figure
o
– Insert mounting frame b into cutout a of the
vehicle.
– Bend the tabs c behind cutout a as required
(depending on type of vehicle).
With cars of the VW/Audi company, from
1991 models on: make sure not to connect
the contact blade A7 with the S contact
(supply plug PIN 4 – brown/red cable) of
the car.
The figures
o
–
a
can be found at the
beginning of this booklet.
Return to operation
The car radio is electronically disabled after it
has been disconnected from the car battery
(or permanent plus, terminal 30), e.g. after
the radio has been removed during servicing.
1. Switch the car radio on:
The display indicates "
SAFE
".
After approx. seconds, it will indicate
"
I - - - -
".
2. Enter the code number (on Identity Card),
as described in the chapter "Activating
coding".
3. Confirm the code number:
Briefly press the
“
LOUD
EXPERT
button. The display
indicates briefly "
SAFE
".
After approx. 3 seconds the radio will play.
Entry of incorrect code number:
"
SAFE
" remains in the display and the radio
does not play.
Begin again.
Be sure to observe the waiting periods
between attempts.
Deactivating coding
e.g., before removing the car radio:
1. The expert mode must be switched on and
"
SAFE
" visible in the display.
Activate the setting.
Briefly press the
“
LOUD
EXPERT
button.
The display indicates "
E
1 - - - -
"
2. Enter the code number (on Identity Card),
as described in the chapter "Activating
coding".
3. Confirm the code number:
Briefly press the
“
LOUD
EXPERT
button. The display
indicates briefly "
CODE
".
After approx. 3 seconds the radio will play.
Coding is deactivated!
Entry of incorrect code number:
"
SAFE
" remains in the display and the radio
does not play.
Begin again.
Be sure to observe the waiting periods
between attempts.
Coding
Installation and Removal
Supply voltages
Blade contacts A: Figure
+
A 8
– operating voltage (earth)
Connect to terminal 31 (earth) of the vehicle.
A 7
+12 V operating voltage
Connect to terminal 30 (permanent plus) of
the vehicle.
A 6
Car radio illumination
Connect the blade contact A 6 to terminal 58
of the vehicle.
When the vehicle's headlights are switched
on, the illumination of of the car radio can be
controlled.
Blade contact A 6 not connected:
The car radio illumination cannot be changed.
A 5
+12 V switching voltage output
(max. 0.5 A)
on bladec contact A 5 when the radio is
switched on.
For automatic aerial (extend/retract),
aerial amplifier (operating voltage) etc.
A 4
+12 V ignition voltage
Connect to terminal 15 or terminal 30 of the
vehicle.
– Terminal 15, if you wish to switch the car
radio on and off with the ignition/start
switch.
– Terminal 30, if you do not wish to switch
the car radio on and off with the
ignition/start switch.
A 2
Phone connection (Mute)
for car telephone or CB radio.
The car radio is “muted” when the car tele-
phone or CB radio is in operation.
For this, the blade contact A 2 must be
connected from the mute output of the tele-
phone/CB radio to earth!
í
Attention with automatic aerials!
The radio switches on automatically if
a connected telephone/CB radio receives
a call.
A 1
SCV connection (+)
for "speed-controlled Volume".
Loudspeakers
Blade contacts B: Figure
+
Maximum output power
with 4
Ω
loudspeakers:
Peak power ___________________ 4 x 50 W
Sine power, DIN 45324 __________ 4 x 25 W
Front speakers
Rear speakers
B 3
right-hand +
B 1
right-hand +
B 4
right-hand –
B 2
right-hand –
B 5
left-hand +
B 7
left-hand +
B 6
left-hand –
B 8
left-hand –
í
Do not electrically connect speaker
connections to each other and do not
connect to chassis!
Aerial
The car radio is designed for aerials with an
impedance of 75
Ω
to 150
Ω
. Extended aerial
cables, e.g. for aerials at the rear of the car,
may impair reception.
Figures
p
and
ü
– If necessary, use the aerial adapter (fig.
p
).
– Fix the aerial adapter (fig.
p
) or aerial cable
(fig.
ü
) in the plastic holder.
Additional connections
Blade contacts C: Figure
+
CD connection
C 13 CD bus
C 15 Supply voltage, earth.
C 16 +12 V supply voltage.
C 17 Switching voltage.
C 18 CD AF, earth.
C 19 CD AF, left.
C 20 CD AF, right.
Line output
Connection for booster or active speaker.
C
1
1 Rear speaker, left +
C
1
2 Rear speaker, right +
C
1
3 Earth –
C
1
4 Front loudspeaker, left +
C
1
5 Front loudspeaker, right +
C
1
6 Switching voltage for booster on/off
(max. 0.3 A).
Subwoofer output
It is possible to connect a Subwoofer power
amplifier to the Subwoofer frequency separ-
ting filter integrated in the set.
C
1
9 Subwoofer – Earth
C 10 Subwoofer – AF
Phone input
For the conection of a car telephone or CB
radio (monitoring via the car radio).
C 11 Phone AF
C 12 Phone AF, earth
Inserting the car radio
Figure
o
– Insert the car radio all the way into the
installed mounting frame b.
The car radio should snap into place.
Removing the car radio
Figure
a
– Remove the control panel (page 4).
Insert both removal handles d as far as pos-
sible into the openings in the trim.
– Press both removal handles outward
ɫ
and slowly pull the radio out.
Fuse T 10 A
Figure
+
Blade-type fuse T 10 A / DIN 72 581– plugged.
Installation and Removal
SCD 5690 RDS
a
b
c
1
2
4
6
8
5
7
2
4
6
8
1
3
5
7
1
4
3
6
2
5
15 18
17 20
13 16 19
C
B
A
T 10 A
1
12
11
9
10
4
2
3
d
5