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GRUNDIG

Service

Adapting the Surround mode values

The surround mode has programmed values for
centre-mode, centre and rear levels and for rear
channel time delay which are suitable for most
common applications.
You can , however, change these settings to your
particular taste or speaker installation.

To install your Surround system proceed as
follows:

• Press the 

SURROUND INSTALL

key longer than

1,5 seconds.

– The display shows first ‘

INSTALL

’ and

changes then to e.g.‘

NORMAL

’.

• Use the 

and 

– REAR

buttons to

select the centre channel mode: 

NORMAL

,

WIDE

or 

PHANTOM

.

– Select 

NORMAL

if you are using a normal

centre speaker.

– Select 

WIDE

if you have connected a HiFi

centre speaker

– Select 

PHANTOM

if you have not connected a

centre speaker, but still wish to simulate the
sound coming from the centre.

• Press the 

SURROUND INSTALL

button again.

– The display shows e.g. 

DELAY 20

• Use the 

and 

– REAR

buttons to

adjust the delay time of the rear channel
(between 15 and 30 ms). Increasing the rear
delay time expands the perceived listening
area, and vice versa.

ADAPTING THE SURROUND MODE VALUES

• Press the 

SURROUND INSTALL

button again.

– You will now hear a test tone from the left,

centre, right and rear speakers in turn, in a
repeating cycle.

– The display shows e.g. 

TEST FL

TEST_C 0

TEST FR

TEST_R 0

TEST FL

• The values of the centre and rear level can be

adjusted if you press 

or 

– REAR

during the 2 seconds that you hear the test
tone of the centre 

TEST_C 0

and the rear

speaker 

TEST_R 0

.

• When you are satisfied with the levels, press

the 

SURROUND INSTALL

button again to turn

off the test tone and leave the installation mode.

Note:

When you have selected 

PHANTOM

for the

centre channel mode, the test tone sequence will be
as follows: 

TEST FL

TEST FR

TEST_R 0

TEST FL

Direct adjustment of rear and centre level

During e.g. a film, it is possible that the special
effects on the rear speakers become too loud or
too quiet compared to the level of the dialogue,
making it necessary to perform small adjustments.
Your unit is, for this purpose, provided with two
keys for direct adjustment:

Adjusting the rear level

• Press the 

– REAR

button.

The display shows e.g. 

REAR 0

.

• If you press within 2 seconds the 

or

– REAR

buttons you can adjust the rear level

(related to the front level).

Adjusting the centre level

• Press the 

button.

The display shows e.g. 

CENTRE 0

.

• If you press within 2 seconds the 

or

– REAR

buttons you can adjust the centre level

(related to the front level).

SURROUND

INSTALL

> 1.5 SEC

– REAR

PRO-LOGIC

INSTALL

PRO-LOGIC

NORMAL

PRO-LOGIC

DELAY 20

PRO-LOGIC

TEST

PRO-LOGIC

TEST FL

PRO-LOGIC

TEST_C 0

PRO-LOGIC

TEST FR

PRO-LOGIC

TEST_R 0

SURROUND

INSTALL

SURROUND

INSTALL

– REAR

– REAR

– REAR

PRO-LOGIC

REAR   0

– REAR

– REAR

PRO-LOGIC

CENTRE 0

– REAR

Changing the batteries

If the range of your infrared remote control seems to
decrease, or if certain individual functions can no
longer be carried out, you should replace the
batteries.
Two micro 1.5 Volt LR03 size AAA are required. To
change the batteries, open the compartment on the
back of the remote control. Ensure that the batteries
are inserted properly (note the markings in the
compartment).

In the interest of the environment: 

Remember that

batteries must always be disposed of properly.

General controls

y

HIFI

– To switch the HIFI system to STAND BY.

/–

– Controlling the volume of the

amplifier (provided the HIFI - TV/VCR switch is in
position HIFI).

a

– For muting the speakers (provided the HIFI -

TV/VCR switch is in position HIFI).

SURROUND INSTALL 

This button is used to switch

between SURROUND (DOLBY PRO LOGIC) and
STEREO mode and to enter the installation mode for
surround settings.

REAR – 

to call up rear level adjustment mode or to

manipulate the different surround settings

to call up centre level adjustment mode

or to manipulate the different surround settings

SYSTEM REMOTE CONTROL

To control the functions of the sources TUNER, CD

or TAPE, make sure that the HIFI - TV/VCR switch

is in the position HIFI

TUNER

TUNER/pty

– For selecting the radio and for

selecting the programme type (PTY) mode.

10-button keypad

for directly selecting stations

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STATION

– For selecting stations, to select

programme types in the PTY mode or to select
characters in the station name input mode.

S T

– To start tuning up/down or to move

the cursor in the station name input mode.

TXT/

6

– To change the information shown in the

display or to enter the station name input mode.

CD

CD/disc

– For selecting the CD player and to enter

the disc selection mode when using a CD-changer.

10-button keypad

for directly selecting tracks

;

– To switch the CD player to PAUSE.

9

– To switch the CD player to STOP.

B

– To start and restart playback of the CD player.

S T

– To select next or previous tracks on a

CD, to search forward and backward or to select a
disc when using a CD-changer.

TXT/

6

– To change the information shown in the

display.

TAPE

TAPE

A B

– For selecting the cassette deck and for

selecting the tape travel direction.

B

– To start playback.

9

– To switch the cassette deck to STOP.

;

– To switch the cassette deck to PAUSE.

S T

– For fast winding of the tape in forward

or reverse direction or to search for next or previous
tracks during playback.

RECORD

0

– To start recording

1

2

3

4

5

6

7

8

9

0

STATION

VOLUME

SA

T

TV

TAPE 

1

 

2

CD/disc

TUNER/pty

VCR

SA

T

TV

8

3

Z

T

1

A/V REMOTE CONTROL-URC1

E

a

P

P

P

HIFI

TV/VCR

HIFI

88

TXT/

6

P

P

P

AV

Install

+

CENTRE

SURROUND

REAR

$

#

2

RECORD

w

TV

TV

– For selecting the TV set (when connected to the

TV input).

y

TV

– To switch the TV to STAND BY.

– For selecting next or previous TV stations.

To control the following functions of the TV, make
sure that the HIFI - TV/VCR switch is in the
position TV/VCR
10-button keypad

for directly selecting stations .

TXT/

6

– For selecting teletext.

a

– For muting the speakers.

/–

– For controlling the volume of the

TV.

SAT

SAT

– For selecting the satellite receiver (when

connected to the TV input).

y

SAT

– To switch the satelite receiver to STAND

BY.

– For selecting next or previous satellite

programmes.

VCR

VCR

– For selecting the video recorder (when

connected to the VCR input).

– For selecting next or previous VCR stations.

To control the following functions of the video
recorder, make sure that the HIFI - TV/VCR switch
is in the position TV/VCR

B

– To start playback of the video recorder.

RECORD

0

– To start recording.

9

– To switch the video recorder to STOP.

;

– To switch the video recorder to PAUSE.

Q R

– Fast winding of the tape in forward or

reverse direction.

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SYSTEM REMOTE CONTROL

Operation of other brands 

This remote control can be used to operate also
other brands of TV’s, Satellite receivers and Video
recorders. The codes for these other brands have
already been put in the memory.
For TV sets you can select 5 different presets, for
Satellite receivers 3 and for Video recorders 10
different presets.

How to select the right presets?
for TV sets

• Keep the TV button pressed and press one of the

number 1...5 of the numeric keys for approx. 6
seconds. 

– On the display of your amplifier appears e.g. 

TV 1

.

• To control if you have selected the right code,

press e.g. one of the 

buttons.

– If your TV reacts to this command you have

selected the right preset.

– If your TV does not react, try to select another preset.

for Satellite receivers

• Keep the SAT button pressed and press number

1, 2 or 3 of the numeric keys for approx. 6
seconds. 

– On the display of your amplifier appears e.g. 

SAT 1

.

• To control if you have selected the right code,

press e.g. one of the 

buttons.

– If your Satellite receiver reacts to this command

you have selected the right preset.

– If your Satellite receiver does not react, try to

select another preset.

for Video recorders

• Keep the VCR button pressed and press one of

the numeric keys (1...0) for approx. 6 seconds.

– On the display of your amplifier appears e.g. 

VCR 1

.

• To control if you have selected the right code,

press e.g. one of the 

buttons.

– If your VCR reacts to this command you have

selected the right preset.

– If your VCR does not react, try to select another preset.

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1

2

3

4

5

6

7

8

9

0

STATION

VOLUME

SA

T

TV

TAPE 

1

 

2

CD/disc

TUNER/pty

VCR

SA

T

TV

8

3

Z

T

1

A/V REMOTE CONTROL-URC1

E

a

P

P

P

HIFI

TV/VCR

HIFI

88

TXT/

6

P

P

P

AV

Install

+

CENTRE

SURROUND

REAR

$

#

2

RECORD

w

Dolby Pro Logic

Dolby Pro Logic is a coding system that enables a
set to decode 4 sound channels out of a normal
stereo signal: the centre channel for picture related
sounds, both front left and right channels for stereo
sounds and one surround channel to bring room
and depth to the scene. 

Dolby Pro Logic manufactured under license from
Dolby Laboratories Licensing Corporation.
DOLBY, the double-D symbol 

and ‘PRO

LOGIC’ are trademarks of Dolby Laboratories
Licensing Corporation.

A full Pro Logic system needs 5 speakers that should
be connected and positioned as shown below.

LEFT

RIGHT

TV

CENTER

SURROUND

LEFT

SURROUND

RIGHT

SURROUND SOUND

PRO-LOGIC

VCR

STEREO

VCR

A

VCR

PRO-LOGIC

A

PROLOGIC

PRO-LOGIC

VCR

Selecting the surround mode

• Press briefly the 

SURROUND INSTALL

button to

switch the surround mode on.

The display shows briefly 

PROLOGIC

and then

the selected source again.

– The indication 

PRO

-

LOGIC

remains on the display.

PRO LOGIC

Choose this setting for playback of music and
movies (especially Laser Discs, videocassettes and
TV broadcasts with DOLBY SURROUND sound). 
Not only does Dolby Pro Logic surround you with
sound, it also gives you a clear perception of the
position and direction of the sound. 
In this mode you use 5 speakers: front left and right,
a centre speaker and two rear speakers. .

• Press again briefly the 

SURROUND INSTALL

button to switch the surround mode off.

The display shows briefly 

STEREO

and then the

selected source again. 

PRO

-

LOGIC

does not light

up anymore.

STEREO

In this case the centre and rear speakers are
switched off for normal stereo operation.

Note:

the surround mode Dolby Pro Logic will not

work properly if the signal passes through a graphic
equalizer. Please refer to your equalizer user
manual for guidance on switching off (or defeating)
the equalizer.

Summary of Contents for M 100-ADPL

Page 1: ...the Complete Service SERVICE MANUAL nderungen vorbehalten Printed in Germany Service Manual Sach Nr Subject to alteration VK 233 0896 Service Manual Part No 72010 750 65 by by M100 ADPL M100 ADPL SUR...

Page 2: ...Diagram 2 1 Circuit Diagrams Input Board Volume Board Tone Board Headphone Board 2 3 DPL Board 2 7 Audio Board 2 11 Trafo Board Power Board AC Outlet Board RC Bus Board 2 15 Control Board 2 19 Layout...

Page 3: ...0 60Hz Max power consumption 160W Standby power consumption ca 1W Dimensions weight W x H x D 270 x 95 x 310mm Weight approx 5 7kg Testmodus Aktivieren des Testmodus Ger t ausschalten Tasten REAR und...

Page 4: ...teckverbinder nach Bedarf ffen 3 Lautst rkeplatte ausbauen Lautst rkeknopf abziehen Die Mutter G Fig 4 l sen Lautst rkeplatte nach hinten herausnehmen Disassembly Instructions 1 Removing the cover Und...

Page 5: ...afo ausbauen Frontblende abnehmen Pkt 2 Die 5 Schrauben M herausschrauben Fig 7 Trafoplatte mit Trafo herausnehmen Bei Bedarf Steckverbinder abziehen bzw Kabel abl ten 4 Removing the Input Board Fig 5...

Page 6: ...LEFT REAR LEFT REAR SPEAKERS by by ANALOG OUTPUT RC BUS 230 V 50 60 Hz L R FM 75 AM LOOP AM LOOP ANTENNA ANALOG OUTPUT RC BUS L R FM 75 ANTENNA 230 V 50 60 Hz 230 V 50 60 Hz 230 V 50 60 Hz SWITCHED TO...

Page 7: ...Kodiersystem das es erm glicht vier Klangkan le aus einem normalen Stereosignal zu entschl sseln Den mittleren Kanal f r bildbezogenen Klang beide vorderen Kan le rechts und links f r Stereoklang und...

Page 8: ...EAR 2 RECORD w Operating Instructions Note This chapter contains excerpts from the operating instructions For further particulars please refer to the appropriate user instructions the part number of w...

Page 9: ...VOLUME buttons An illuminated dot in the VOLUME knob indicates the respective adjustment position MUTING The volume can be completely muted by pressing the a button on the remote control This is usefu...

Page 10: ...to STOP To switch the cassette deck to PAUSE S T For fast winding of the tape in forward or reverse direction or to search for next or previous tracks during playback RECORD 0 To start recording 1 2 3...

Page 11: ...iagrams and Layout of PCBs M 100 ADPL Schaltpl ne und Druckplattenabbildungen Circuit Diagrams and Layout of PCBs GRUNDIG Service GRUNDIG Service 2 1 2 2 Schaltpl ne und Druckplattenabbildungen Circui...

Page 12: ...ADPL GRUNDIG Service GRUNDIG Service 2 3 2 4 Schaltplan Eingangswahlplatte Lautst rkeplatte Tonreglerplatte Kopfh rerplatte Circuit Diagram Input Board Volume Board Tone Board Headphone Board 0V 0V 0...

Page 13: ...en Circuit Diagrams and Layout of PCBs GRUNDIG Service GRUNDIG Service 2 5 2 6 Kopfh rerplatte Headphone Board Tonreglerplatte Tone Board Eingangswahlplatte Input Board Lautst rkeplatte Volume Board D...

Page 14: ...V 4 1V 4 1V 4 1V 4 1V 4 1V 4 1V 4 1V 0V 11V 3 8V 4 1V 4 1V 4 1V 4 1V 4 1V 4 1V 5 0V 0V 0V 4 1V 4 1V 2 7V 4 1V 4 1V 4 1V 4 1V 4 1V 4 1V 4 1V 0V 4 1V 4 1V 4 1V 4 1V 1 4V 4 1V 4 1V 12V 4 1V 4 1V 4 1V 4 1...

Page 15: ...ildungen Circuit Diagrams and Layout of PCBs M 100 ADPL Schaltpl ne und Druckplattenabbildungen Circuit Diagrams and Layout of PCBs GRUNDIG Service GRUNDIG Service 2 9 2 10 Druckplattenabbildungen Lay...

Page 16: ...100 ADPL Schaltpl ne und Druckplattenabbildungen Circuit Diagrams and Layout of PCBs M 100 ADPL GRUNDIG Service GRUNDIG Service 2 11 2 12 0 1V 11 4V 11 4V 0 4V 0 5V 0 1V 11 4V 11 4V 0 4V 0 5V Schaltp...

Page 17: ...dungen Circuit Diagrams and Layout of PCBs M 100 ADPL Schaltpl ne und Druckplattenabbildungen Circuit Diagrams and Layout of PCBs GRUNDIG Service GRUNDIG Service 2 13 2 14 Druckplattenabbildungen Layo...

Page 18: ...e und Druckplattenabbildungen Circuit Diagrams and Layout of PCBs M 100 ADPL GRUNDIG Service GRUNDIG Service 2 15 2 16 Schaltplan Trafo Platte Netzschalterplatte AC Anschlu Platte RC Bus Platte Circui...

Page 19: ...plattenabbildungen Circuit Diagrams and Layout of PCBs GRUNDIG Service 2 17 Druckplattenabbildungen Layout of PCBs Trafo Platte Trafo Board RC Bus Platte RC Bus Board Netzschalterplatte Power Board AC...

Page 20: ...Schaltpl ne und Druckplattenabbildungen Circuit Diagrams and Layout of PCBs M 100 ADPL 2 18 GRUNDIG Service Bedien Platte Control Board Druckplattenabbildungen Layout of PCBs...

Page 21: ...00 32V 8 47K LOW LED on HIGH Ein On LOW Stand By LOW Stand By HIGH Direct 5V 28V Mute or Stereo 0V 5V Mute or Stereo 0V 12V Stand By 5V 0V DC Protect 5V 28V Mute HIGH Mute HIGH Loudness HIGH Stereo LO...

Page 22: ...oard Audio Platte Audio Board Trafo Platte Trafo Board Netzschalter Platte Power Board AC Anschlu Platte AC Outlet Board RC Bus Platte RC Bus Board Bedienplatte Control Board P801 P806 P805 P804 P802...

Page 23: ...P16 11G B7 B6 B5 B4 B3 B2 B1 10G 9a 9b 9f 9g 9c 9e 9d 10a 10b 10f 10g 10c 10e 10d 11e 11f 9G 8G 8a 8b 8f 8k 8j 8h 8m 8g 8n 8p 8r 8c 8e 8d 7G 7a 7b 7f 7k 7j 7h 7m 7g 7n 7p 7r 7c 7e 7d 6G 6a 6b 6f 6k 6j...

Page 24: ...nd Exploded Views M 100 ADPL 3 1 GRUNDIG Service Ersatzteillisten und Explosionszeichnungen Spare Parts Lists and Exploded Views Explosionszeichnung Ger t Exploded View Unit 25 22 21 26 31 10 11 45 17...

Page 25: ...8303 259 550 TRANS BC 550 C SIE PHI T 102 8303 259 560 TRANS BC 560 C T 103 8303 205 558 TRANS BC558B T 105 8303 241 546 TRANS BC 546 B T 201 8303 259 550 TRANS BC 550 C SIE PHI T 202 8303 259 560 TRA...

Page 26: ...00 N 1401 DK 3500 GRUNDIG AUSTRIA Ges m b H Breitenfurter Stra e 43 45 Wien 00 43 1 8 11 17 0 GRUNDIG NEDERLAND B V Gebouw Amstelveste Joan Muyskenweg 22 CJ Amsterdam 00 31 20 5 68 15 68 GRUNDIG ITALI...

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