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RR 620 CD

/

RR 650 CD

Allgemeiner T

eil / General Section

GRUNDIG

Service

1 - 5

GB

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 which is indicated in the relevant spare
parts list.

CONTROLS

CD Control

SKIP/SEARCH 

/

5 6

/

§

– to skip and search 

backward/forward

REPEAT

– to repeat one/all tracks

PROG.

– to programme track numbers

in the memory

PLAY/PAUSE 

2;

– to start and interrupt playback

STOP

9

– to stop playback

Cassette Control

0

– to start recording

B

– to start cassette playback

Q

– fast rewind

R

– fast forward

9

/

/

– to stop and eject the cassette

;

– to interrupt playback/recording

CD Display

PROGRAM

: programme 

playback

PLAY

: PLAY

PAUSE

: PAUSE

REPEAT 1

: repeat 

one

REPEAT

:

repeat all

REPEAT

PROGRAM

PLAY

PAUSE

1

Top and front panel 

(the illustration shows: RR 650 CD)

VOLUME

– to adjust the volume

UBS 

– to switch the 

U

LTRA

B

ASS

S

YSTEM

on and off

FUNCTION

– 

CD

:

to switch to CD mode / Power On

– 

TAPE/OFF

: to switch to TAPE mode / Power Off

– 

RADIO

:

to switch to RADIO mode / Power On

SURROUND SOUND

– to switch the surround sound effect on and off 

(only RR 650 CD)

REMOTE SENSOR

– to receive the remote signals

(only RR 650 CD)

OPEN/CLOSE

– to open the CD door

POWER

– lights up when the unit is on

BAND

– to select between FM, MW, and LW waveband

SCALE

– tuning dial scale

FM STEREO 

6

– lights up when receiving FM stereo stations

TUNING

– to tune to a radio station

MIC

– microphone under the speaker grill

p

– connection for headphones

CD SYN

CHRO START RECORDING

RR 650 CD RAD

IO CASSETTE RECORDER

WITH C

D

OPEN/
CLOSE

TUNING

MW
LW
FM

SKIP / SEARCH

REPEAT      PROG.

PLAY PAUSE

STOP

POWER

REMOTE
SENSOR

PLAYBACK/
RECORD 

2

REMOTE

CONTROL

RR 650 CD RADIO

CASSETTE RECORDER WIT

H CD

 kHz

 1600

1400

1200

 1000

 100

140

120

 100

FM
STEREO

CD  TAP

E RADIO

/OFF

ULTRA BASS SYSTEM

UBS

SURROUND

SOUND

VOLUME

MIN

VOLUME

UBS

FUNCTION

SURROUND

SOUND

REMOTE
SENSOR

OPEN/CLOSE

SCALE

BAND

TUNING

FM STEREO 

6

CD Display

p

MIC

CD Control

Cassette Control

POWER 

6

CONTROLS

Remote control (only RR 650 CD)

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 mignon 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).
And in the interest of the
environment: Remember that
batteries must always be
disposed of properly.

PLAY 

2

– to start and interrupt CD playback

STOP 

9

– to stop CD playback

PREV. 

¡

– to skip and search backward

NEXT 

– to skip and search forward

– to adjust the volume

Back panel

FM MONO

/

STEREO / BEAT CUT:

– When 

BAND

switch is in 

FM

:

to select between FM STEREO and FM MONO

– When 

BAND

switch is in 

MW/LW

:

for eliminating possible whistle tones during
MW/LW recordings

AC MAINS: 

Socket for mains lead.

STOP

PREV.

NEXT

PLAY

VOLUME

SOUND CONTROL

Volume

• Adjust the volume to the desired level with the

VOLUME

control.

UBS (Ultra Bass System)

• Press 

UBS

to enhance the bass response:

w

UBS

OFF

x

UBS

ON

Surround Sound (only RR 650 CD)

This feature creates an additional 3-D effect from
stereo sound which is relayed by the speakers.
• Press 

SURROUND SOUND 

to switch this effect

on and off

w

SURROUND SOUND

OFF

x

SURROUND SOUND

ON

Stereo headphone socket 

p

• You may connect stereo headphones having a

3.5 mm plug to the jack 

p

.

– Inserting the plug will disconnect the speakers.

Note: 

The sound controls can be used with radio,
CD or cassette playback.
However, they have no effect on cassette
recording.

RADIO

Radio aerials

– For FM, pull out the telescopic aerial. To improve

FM-reception, incline and turn the aerial. Reduce
its length if the FM-signal is too strong (very close
to a transmitter).

– For MW/LW, the set is provided with a built-in

aerial, so the telescopic aerial is not needed.
Direct the aerial by turning the whole set.

Radio reception

• Set the 

FUNCTION

switch to 

RADIO

.

– The 

POWER

indicator 

6

lights up.

• Adjust the sound using the 

VOLUME

UBS

and

SURROUND SOUND

(only RR 650 CD) controls.

• You may connect stereo headphones having a

3.5 mm plug to the jack 

p

.

– Inserting the plug will disconnect the speakers.
• Select the wave band using the 

BAND

selector.

• Tune to a desired radio station using the

TUNING

control.

– When 

FM STEREO

6

appears, you are

receiving a FM stereo transmitter.

• A disturbing noise, due to a weak FM stereo

signal, can be suppressed by setting

FM MONO/STEREO

to FM MONO.

– The 

FM STEREO

indication 

6

goes out and you

will hear the FM station in mono.

• The set is switched off when the 

FUNCTION

switch is in the 

TAPE

position and no buttons are

pressed.

–The 

POWER

indicator 

6

goes out.

CD PLAYER

• Press 

PLAY/PAUSE 

2; 

to start playback.

– The display shows 'PLAY' and the track number.
• Adjust the sound using the 

VOLUME

UBS

and

SURROUND SOUND

(only RR 650 CD) controls.

• For brief interruptions, press 

PLAY/PAUSE 

2;

.

– 'PAUSE' appears on the display.
• To resume playback, press 

PLAY/PAUSE 

2;

again.

• To stop playback, press 

STOP 

9

.

– The total number of tracks will then appear on

the display.

– The CD player also goes to position STOP:

– by pressing 

OPEN/CLOSE

;

– when the end of the CD is reached;
– if the batteries run down or if the power supply

is interrupted.

• To take out the CD, open the CD door by pres-

sing 

OPEN/CLOSE

• Open the CD door only if the CD-player is in

position STOP.

Selecting another track during play

• Press

/

5

or 

6

/

§

until the required track

number appears in the display.

– The selected track begins to play.

Starting with a particular track

• Press 

/

5

or 

6

/

§

until the required track

number appears in the display.

• Press 

PLAY/PAUSE 

2;

.

– Play starts from the selected track.

Searching for a passage during play

• Hold 

/

5

down to search backwards to the

beginning.

• Hold 

6

/

§

down to search forwards to the end.

Note: 

This function can be described as “audibly”
searching for a title.
During the search, volume is reduced and returns to
its adjusted level as soon as the button is released.

Repeating a track

• By pressing 

REPEAT

once, one track is repeated.

– The display shows: 'REPEAT 1'

Repeating the CD

• By pressing 

REPEAT

once more, all tracks are

repeated.

– The display shows: 'REPEAT'
• To switch the repeat mode off, press 

REPEAT

one more time.

Programming

By programming the player you can play up to 21
tracks in any desired order. If you exceed the
maximum of 21 tracks, the programme function will
start again from the beginning.

Storing a programme

• In STOP mode, press 

PROG.

.

The display will show '

00

'.

• Select the first desired track using 

/

5

or

6

/

§

.

• Store this track by pressing 

PROG.

again.

• Select and store in this way all desired titles.

REPEAT

PLAY

REPEAT

1

PLAY

PAUSE

PLAY

PLAY

Playing a CD

CD PLAYER

Checking the programme

• From the STOP position, press 

PROG.

repeatedly: the display shows in sequence all
programmed track numbers.

Adding tracks to the programme

• Press 

PROG.

repeatedly until the display shows

'

00

'.

• You can now add tracks to the sequence as

described above (up to 21).

Playing a programme

• Press 

PROG.

once to show the first track of the

programme.

• Press 

PLAY/PAUSE 

2;

.

– Play starts with the first track of the programme.
– The display shows 'PROGRAM PLAY'
– After the last track playback stops.
– The total number of tracks will then appear on

the display.

Note: 

• Press 

STOP 

9

to stop playback.

• While playing a programme, it is possible to use

/

5

or 

6

/

§

to select the desired

programmed tracks.

Erasing a programme

• Press 

STOP 

9

to stop playback.

• You can then erase the programme:
– by opening the CD door using 

OPEN/CLOSE

;

– if you move the 

FUNCTION

selector;

– if the batteries are exhausted or if the power

supply is interrupted in another way.

CASSETTE DECK

• Press 

9

/

/

to open the cassette holder.

• Insert the cassette.
• When monitoring during

recording, adjust the sound
using the controls 

VOLUME

,

UBS

and 

SURROUND

SOUND

(only RR 650 CD). 

These controls do not affect the recording.

• Start recording by pressing 

0

(the 

B

button is automatically also pressed).

– When the end of the tape is reached, the

recorder buttons are released.

• To interrupt recording, press 

;

.

• To continue recording, press 

;

again.

• Press 

9

/

/

if you want to stop recording before

the end of the tape. 
On pressing again, the cassette holder will
open.

• The set is switched off if the 

FUNCTION

switch

is in position 

TAPE

and no buttons are pressed.

– The 

POWER

indicator 

6

goes out.

Recording from the CD-player
(CD synchro recording)

• Set the 

FUNCTION

switch to 

CD

.

• It’s not necessary to start the CD player se-

parately: by pressing 

0

the CD player starts

automatically.

– If the CD player is in STOP position, recording

will start from the beginning of the CD (or from
the beginning of the programmed selection).

• To start a recording in the middle of a track,

play the CD in the normal way. 

• As soon as the desired passage is reached,

pause the CD and then start recording by
pressing 

0

.

Recording from the radio

• Set the 

FUNCTION

selector to 

RADIO

.

• Select the wave band using the 

BAND

switch.

• Tune to desired radio station using the

TUNING

control knob.

• In case of FM radio recordings, set the

FM MONO/STEREO

switch to the desired

position.

• If during the recording of an MW/LW station,

a whistling sound is heard, this sound can be
suppressed by setting the 

BEAT CUT

switch to

another position.

Mono recording from the built-in microphone

• Set the 

FUNCTION

switch to 

TAPE

• Set the 

VOLUME

control to the minimum

volume level (during microphone recording ,
monitoring is not possible).

• To ensure a clear recording, the distance to

microphone should be 30 – 100 cm.

Cassette recording

Summary of Contents for RR 620 CD

Page 1: ...rvice Additionally required Service Manuals for the Complete Service RR 620 CD 75 3119 1051 G DG 6151 RR 650 CD 75 3120 1051 G DG 6251 CD Remote Control 75954 046 34 SERVICE MANUAL RR 620 CD RR 650 CD...

Page 2: ...isassembly Instructions 1 6 Adjustment Procedures 2 3 2 5 Circuit Diagrams and Layout of PCBs 3 1 3 18 Wiring Diagram 3 1 Circuit Diagrams Tuner 3 3 Cassette 3 5 CD 3 7 Control Board 3 11 Tone Control...

Page 3: ...omatic recording level control Automatic button release at tape end CD Section Frequency range 20Hz 20kHz S N ratio weighted 65dB Service Hints Cassette Section Before commencing service work ensure t...

Page 4: ...erscheinen PLAY und die Nummer des laufenden St cks Den Ton mit den Reglern VOLUME UBS und SURROUND SOUND nur RR 650 CD einstellen F r kurzzeitige Unterbrechungen auf PLAY PAUSE 2 dr cken Im Anzeigefe...

Page 5: ...h is in the TAPE position and no buttons are pressed The POWER indicator 6 goes out CD PLAYER Press PLAY PAUSE 2 to start playback The display shows PLAY and the track number Adjust the sound using th...

Page 6: ...be turned counter clockwise first until you notice that the screw has found the first thread Then tighten the screw This preventive measure ensures that no new threads are cut into the plastic materi...

Page 7: ...f the two washers P and Q Fig 6 Fit new flywheel clean capstan in white spirit and reassemble in reverse order 5 Dismantling of Spool Carrier forward wind Fig 6 Remove the drive mechanism see para 2 P...

Page 8: ...ions if necessary 7 CD Laufwerk ausbauen Bei Ausbau der CD Lasereinheit mu vor Abziehen der Steckver bindungen eine Schutzl tstelle n auf der Leiterplatte der Laser einheit angebracht werden um eine Z...

Page 9: ...ortation After fitting the laser unit the soldered short circuit n Fig 13 on the laser connection board must be opened Do not turn the variable resistor laser power adjustment The laser current is pre...

Page 10: ...wankungsmesser an Kopfh rerbuchse Testcassette 449 einlegen 3150Hz abspielen NF Voltmeter an Kopfh rerbuchse Testcassette 449 einlegen 8kHz abspielen Frequenzz hler an TP6 A W Kopf Bespielbare Cassett...

Page 11: ...derholen Bei 90MHz mit L302 auf Maximum einstellen Bei 106MHz mit TC2 auf Maximum einstellen Abgleich wechselseitig wiederholen Mit VR301 76kHz 100Hz einstellen Wobbelsender 465kHz ber Rahmenantenne i...

Page 12: ...Einstellvorschriften Adjustment Procedures RR 620 CD RR 650 CD 2 3 GRUNDIG Service Abgleichlagepl ne Alignment Schemes Cassette TP6 Tuner CD...

Page 13: ...nction Playback Start Connect the wow and flutter meter to the headphone socket Insert test cassette 449 play 3150Hz Connect the AF voltmeter to the headphone socket Insert test cassette 449 play 8kHz...

Page 14: ...et Band switch MW Var capacitor to limit stop MW fu 526 5kHz fo 1606 5kHz Couple in a standard signal to ferrite aerial via a loop aerial fmod 1kHz m 30 Oscilloscope to the headphone socket Band switc...

Page 15: ...N MESSWERTEN HANDELT ES SICH UM N HERUNGSWERTE THE MEASURED VALUES GIVEN IN THE CIRCUIT DIAGRAMS ARE APPROXIMATES to CD Motor Board CASSETTE BOARD BEAT CUT BOARD FM ANTENNA TUNER BOARD CONTROL BOARD L...

Page 16: ...IC U302 TA7343 PIN 1 2 3 4 5 6 7 8 9 V FM 3 5 5 0 6 5 5 6 0 5 8 5 8 3 5 3 5 V AM 3 3 5 0 6 5 4 7 0 5 0 6 4 3 5 3 5 GLEICHSPANNUNGEN GEGEN GND i GEMESSEN DC VOLTAGES MEASURED AGAINST GND i 1 2 3 4 5 6...

Page 17: ...TE STEREO SW Seite page 3 6 CN502 CN501 CN502 Seite page 3 5 CN502 0 1V 0 75V 2 0V 0 5V B E C B C E BA 3313 L ALC INPUT 1 INPUT 2 OUTPUT 1 OUTPUT 2 ALC GND FILTER VCC 1 3 5 7 9 1 1 2 4 6 8 1 0 1 2 NF...

Page 18: ...cuit Diagrams and Layout of PCBs RR 620 CD RR 650 CD GRUNDIG Service GRUNDIG Service 3 7 3 8 CD Seite page 3 9 Seite page 3 9 Seite page 3 11 Seite page 3 13 Seite page 3 9 Seite page 3 15 GLEICHSPANN...

Page 19: ...2 5 N C 7 5 5 0 N C 2 5 3 6 3 6 0 2 4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 VOLTAGES IC103 CXD2508Q PIN V PIN V PIN V PIN V N C N C 0 5 2 5 2 4 5 5 2 5 2 5 0 0 2 4 2 5 0 0 65 66 67 68 69 70 71 72 73 74 75...

Page 20: ...3 15 CN208 CN203 CN210 CN210 CN210 Bedienteil Control Board IR SENSOR E C B E C B E C B E C B E C B E C B 5V 4 4V 0V 5V 5V 4 4V 0 1V 5V 5V 5V GLEICHSPANNUNGEN BEI FUNKTION CD STOP GEGEN MASSE GND GEM...

Page 21: ...Druckplattenabbildungen Circuit Diagrams and Layout of PCBs GRUNDIG Service GRUNDIG Service 3 13 3 14 Klangregelung Tone Control Seite page 3 5 Seite page 3 4 Seite page 3 16 Seite page 3 16 Seite pa...

Page 22: ...15 3 16 NF Teil und Stromversorgung AF Part and Power Supply RR 620 CD Alle Bauteile in Block A nicht best ckt J601 J602 geschlossen RR 650 CD Alle Bauteile in Block A best ckt J601 J602 ge ffnet RR 6...

Page 23: ...and Layout of PCBs RR 620 CD RR 650 CD Schaltpl ne und Druckplattenabbildungen Circuit Diagrams and Layout of PCBs GRUNDIG Service GRUNDIG Service 3 17 3 18 Netzteil NF Platte Power Supply AF Board Si...

Page 24: ...72010 751 70 SERVICE MANUAL D GB SERVICE MANUAL D GB BEZEICHNUNG DESCRIPTION SACHNUMMER PART NUMBER POS NR POS NO BEZEICHNUNG DESCRIPTION SACHNUMMER PART NUMBER POS NR POS NO C 609 75954 046 01 ELKO...

Page 25: ...CD Exploded View RR 650 CD 40 38 39 37 31 28 27 29 30 25 24 22 23 21 20 18 17 11 10 8 9 6 7 5 4 3 2 19 26 76 1 99 93 41 43 44 42 45 94 36 35 34 32 33 97 96 98 95 46 47 48 50 51 52 53 54 55 92 56 57 5...

Page 26: ...CHNUMMER PART NUMBER POS NR POS NO C 609 75954 046 01 ELKO 2200 MFD 25V 20 C 615 8452 995 104 ELKO 1000UF 20 16V C 618 8452 995 104 ELKO 1000UF 20 16V C 805 75954 010 28 ELKO 1000UF 25V 20 CF 202 7595...

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