Grundig RR 420 CD Service Manual Download Page 1

Service Manual

Audio

RR 420 CD

Zusätzlich erforderliche
Unterlagen für den Komplettservice

Additionally required
Service Manuals for the Complete Service

Service

Manual

Service

Manual

Btx * 32700 #
Sachnummer
Part Number 72010-752.40

Änderungen vorbehalten
Subject to alteration
Printed in Germany
VK231   0297

RR 420 CD

Sach-Nr./Part No.

72010-752.40

Sicherheit

Safety

Sach-Nr./Part No.

72010-800.00

RADIO

CD

 TAPE

UBS

M I N

V

O

LU

ME

MAX

R R 4 20 CD

R ADIO RECORDER

WITH

CD

REPEAT

PREVIOUS

NEXT

STOP

PLAY/PAUSE

125

125

75

61

53

160

125

125

75

61

53

FM

LW

MW

BAND

SELECT

RR 420 CD RADIO RECORDER WITH CD

PLAYBACK/RECORD    

A

ONE TOUCH RECORDING

AUTOSTOP

U L T R A   B A S S   S Y S T E M

160

Summary of Contents for RR 420 CD

Page 1: ...nderungen vorbehalten Subject to alteration Printed in Germany VK231 0297 RR 420 CD Sach Nr Part No 72010 752 40 Sicherheit Safety Sach Nr Part No 72010 800 00 RADIO CD TAPE UBS M I N V O LUME MAX RR...

Page 2: ...weise 1 6 CD Fehlersuchdiagramm 1 8 Einstellvorschriften 2 1 2 2 Schaltpl ne und Platinenabbildungen 3 1 3 12 Verdrahtungsplan 3 1 Schaltpl ne CD Teil 3 5 Tuner und NF Teil 3 7 Platinenabbildungen CD...

Page 3: ...N ratio weighted 65dB Service Hints Cassette Section Before commencing service work ensure that the magnetic heads the capstan and the pinch roller are free from particles produced by tape abrasion Th...

Page 4: ...r and of the owner of the recorded work reserved Unauthorised copying public performance broadcasting hiring or rental of this recording prohibited Made in Austria 1 AY AY I 2 HERE WE ARE 3 SAY 4 THIN...

Page 5: ...panish Version 12 SI VOY A PERDERTE EPC 465145 2 BIEM STEMRA STEREO All rights of the producer and of the owner of the recorded work reserved Unauthorised copying public performance broadcasting hirin...

Page 6: ...l abnehmen siehe Pkt 1 Schraube E herausdrehen Fig 2 Tuningrad F Fig 4 ausrasten und herausnehmen Hauptplatte nach hinten herausziehen Achten Sie dabei auf die beiden Schalthebel G und H Fig 4 5 Bei B...

Page 7: ...iese Puffer haben einen unterschiedlichen Auflagedruck schwarz st rker blau schw cher Fig 7 Fig 8 4 Dismantling the Cassette Drive Mechanism Remove the main board see para 3 Undo 2 screws I Fig 2 Remo...

Page 8: ...Allgemeiner Teil General Section RR 420 CD 1 8 GRUNDIG Service CD Fehlersuchdiagramm CD Troubleshooting...

Page 9: ...er tefunktion Aufnahme Start NF Voltmeter ber einen kapazitiven Spannungsteiler 1 1000 an TP4 TP5 Stecker CN501 Bespielbare Cassette einlegen Ger tefunktion Aufnahme Start Abgleich Vorbereitung Abglei...

Page 10: ...Drehkoanschlag MW fu 526 5kHz fo 1606 5kHz Me sendersignal ber Rahmenantenne in L301 Ferrit antenne einkoppeln fmod 1kHz m 30 Ua nur so gro da das Signal gerade erkennbar ist Oszilloskop an Me punkt 1...

Page 11: ...ette 456 Function 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 44...

Page 12: ...06 5kHz Couple in a standard signal to L301 ferrite aerial via a loop aerial fmod 1kHz m 30 Ua as low as possible Oscilloscope to testpoint 1 IC301 Pin11 Band switch MW MW 600kHz MW 1400kHz Couple in...

Page 13: ...M Ant VOLUME BOARD VR401 CN402 CN401 MAIN BOARD CN301 CN804 CN806 CN9 CN10 CN601 CN801 CN802 CN803 CN805 BEAT CUT BOARD CN503 CN502 SW701 SW301 SW601 SW401 SW501 CN504 CN503 CN505 CN502 CN501 CASSETTE...

Page 14: ...ervice GRUNDIG Service 3 3 3 4 DREHTELLERMOTOR TURN TABLE MOTOR SCHLITTENMOTOR SLED MOTOR CD MOTOR BOARD INNEN SCHALTER INNER SWITCH SP SP SL SL L SW L SW LASER HEAD BOARD LD GND PD VR FCS TRK TRK FCS...

Page 15: ...18 19 20 21 22 23 24 V 0 0 4 7 0 4 6 4 8 3 0 4 8 4 7 0 3 8 0 3 6 5 0 5 0 5 0 5 0 0 0 5 0 5 0 PIN 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 V 2 6 0 1 9 2 9 5 0 0 1 9 5 0 2 5 1 1 2 5 2 5 5 0 PIN 4...

Page 16: ...5 8 0 5 8 5 8 6 1 GND 6 1 1 0 5 4 5 8 5 8 6 1 0 6 AM V 0 GND 6 6 6 6 0 6 6 6 6 6 6 GND 6 6 1 6 6 6 0 0 6 6 6 6 IC301 TA8164 PIN 1 2 3 4 5 6 7 8 9 FM V 3 4 5 0 6 5 5 7 GND 5 9 5 8 3 9 3 8 AM V 3 4 5 4...

Page 17: ...0 CD Schaltpl ne und Druckplattenabbildungen Circuit Diagrams and Layout of PCBs GRUNDIG Service 3 9 Leiterplatten PCBs Best ckungsseite Component Side C Main Board CD Control Board DISPLAY C E B C E...

Page 18: ...ldungen Circuit Diagrams and Layout of PCBs RR 420 CD 3 10 GRUNDIG Service TP5 GND TP4 Cassette Board Volume Board Beat Cut Board B C E B C E CN505 CN503 CN504 CN501 CN502 1 1 1 1 2 3 4 5 CN503 CN502...

Page 19: ...ift level shift level shift level shift REGULATOR DRIVER MUTE D BUF D BUF D BUF D BUF D BUF D BUF D BUF 8 22 VCC VCC T S D GND CH4 OUTA CH4 OUTB CH4 INA CH4 INB BIAS IN Vcc Vcc CH3 INB CH3 INA CH3 OUT...

Page 20: ...EREO LED LPF 2 GND Vcc L R OUTPUT INPUT LPF 1 VCO AF DC VCO 76kHz PILOT DET PHASE DET TRIGGER STEREO SWITCH STEREO DECODER STABILIZED POWER SUPPLY 1 2 1 2 1 2 TA 7343 AP 19 kHz 90 19 kHz 0 38 kHz IC30...

Page 21: ...Parts List and Exploded Views To battery P C B To battery P C B 9 1 2 3 4 5 6 8 10 11 13 14 20 21 22 26 27 37 38 39 40 41 95 96 97 43 46 47 48 49 50 51 56 23 24 12 88 84 83 91 90 79 78 74 73 72 71 69...

Page 22: ...Ersatzteilliste und Explosionszeichnungen Spare Parts List and Exploded Views RR 420 CD 4 2 GRUNDIG Service Cassettenlaufwerk Cassette Drive Mechanism Sach Nr Part No 75954 047 75 TK20 FX V613 005 2...

Page 23: ...000 1 75954 047 85 BATTERIEKONTAKT BATTERY CONTACT 0110 000 S 75987 453 17 NETZKABEL POWER CABLE 72010 747 60 BEDIENUNGSANLEITUNG INSTRUCTION MANUAL 72010 752 40 SERVICE MANUAL D GB SERVICE MANUAL D G...

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