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Grundig FREAXX 50, Service Manual

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GRUNDIG Service

FREAXX 50 RRCD 4305 SPCD

3 - 7

SP-

SP+

SL+

SL-

REF

K(5V)

E

D

A

B

C

F

LG

LD

VR

PD

F+

T+

T-

F-

1.75V OUT

SLT

1.75V OUT

2.5V

CD 5

V

3V6

1.8V

2.5V

3.75V

2.91V

1.72V

GND

C709 100n

C730

100n

C720

220P

C707

33u

C719

220P

C706

100n

C701

1000P

L701

100uH

D701

IN4148

1

2

3

4

5

6

CN702

C723

680P

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

CN701

C702

100u

C703

100u

C704

100n

C705

100n

L703

10uH

MI

RR

20

DECT

21

FOK

22

PWMI

23

LOCK

24

MDP

25

SSTP

26

FSTP

27

DVDD1

28

SFDR

29

SRDR

30

TFDR

31

TRDR

32

FFDR

33

FRDR

34

DVSS1

35

TEST

36

TES1

37

VC

38

FE

39

SE

40

TE

41

L702

10uH

D707

1N4001

D708 1N4001

C708

100n

C712

47u

C713

100n

R765

4K7 1%

R766

4K7 1%

C721

100n

C746

100n

R738

10K

DC -OFST

30

LD

1

PD

2

EQ -IN

3

AC -SUM

4

GND

5

A

6

B

7

C

8

D

9

E

10

F

11

SW

12

DVC

14

FEI

17

TE

18

TE -BAL

19

CE

20

CEI

21

VCC

22

RFG

23

BST

24

VFC

25

RFC

26

VC

27

RFDCO

28

DVCC

13

RFAC

15

FE

16

RFDCI

29

IC703

CXA2581N

R785

47K

T+

14

T-

13

F+

12

F-

11

PO

WVC

C

10

MUTE1

9

GND

8

GND

21

MUTE2

20

PO

WVC

C

19

SL

-

18

SL

+

17

SP-

16

SP+

15

FDR

7

FDR

-

6

FDR

+

5

TDR

4

TDR

-

3

TDR

+

2

VC

1

SDR

22

SDR

-

23

SDR

+

24

SPDR

25

SPDR

-

26

SPDR

+

27

PR

E

V

C

C

28

IC702

BA5970FP

C7

2

9

33n

R

730

10K

C722

100n

R714

15K

Q701

9012H

C724

680P

R715

7K5

R716

7K5

R717

15K

C725

680P

C726

680P

C727

33n

R736

33K

R735

10K

C745

15n

R734

100K

R

732

47K

L704

10uH

R768

5K6

R739

47K

R708
22

R707

100

R702

10K

R701

10K

R710

100K

R744

33K

R767

3K9

R769

2K7

R770

8K2

R771

6K8

R772

3K3

R773

**

R774
**

R709

5K1

R711

150K

R742

33K

R743

120K

R745 30K

R746

30K

R750 47K

R749

47K

R748

30K

R747

30K

R733

10K

1

2

3

4

L706

26uHX2

C

728

10n

D703

1N4148

R712

68K

C7

6

4

2200u

C710

220u

1

2

CN703

7V5

C1604

100n

C1605

100n

C750

100n 

C751

100n

+

C752

470u

+

C757

470u

R722

10K

D1602

IN4148

D704

IN4148

R720

10K

CD switching

CD +5V

Q702
9013/C

R721

22K

V0

VI

SW

GND

IC1602

BA05ST

V0

VI

SW

GND

IC1603
BA05ST

MP3  Switching

MP3 +5V

Safety

L707

10uH

C766
47u

C7

1

1

2200u

JP701

JP712

JP

JP717
JP

VR701
10K(B)

22-Sep-2003

1,8V

1,8V

1,8V

2,4V

1,9V

1,8V

4,9V

2,9V

3,6V

1,7V

3,6V

2,5V

2,3V

2,4V

1,8V

3,1V

1,8V

3,6V

0V

2,5V

2,5V

2,5V

2,5V

2,5V

2,5V

0V

2,9V

2,5V

0,1V

3,3V

5V

1,5V

1,5V

1,8V

1,2V

1,2V

1,8V

0V

0V

5V

3,4V

3,4V

3,4V

3,4V

0V

1,8V

1,8V

1,7V

1,4V

1,5V

1,8V

0V

0V

5V

3,0V

3,2V

3,4V

2,6V

TO CN207
P. 3-11

T

O PICKUP UNIT

TO

 M

OTO

R

SLEDGE/DISC

Summary of Contents for FREAXX 50

Page 1: ...ice Additionally required Service Documents for the Complete Service Service Manual Sicherheit Safety Materialnr Part No 720108000000 Audio Service Manual Materialnummer Part Number 720107729500 nderu...

Page 2: ...l ne Tuner Platte 3 4 CD Servo Platte 3 6 Haupt Platte 3 10 Gleichrichter Platte 3 10 Kopfh rer Platte 3 10 Display Platte 3 12 MCU Platte 3 12 Tasten Platten 3 12 MP3 Platte 3 16 Platinenabbildungen...

Page 3: ...Compact cassette according to DIN 45516 Track position International quarter track Tape speed 4 76cm sec Motor DC motor Frequency range 125Hz 10kHz Noise voltage ratio 42dB Band speed fluctuation 0 35...

Page 4: ...A 4 screws B and 2 screws C Fig 1 Undo 2 hex socket head screws D Fig 2 Disengage and remove mask Fig 2 Remove the cabinet rear part to the rear side to slip out the aerial E from the cabinet frame Fi...

Page 5: ...erausdrehen Steckverbindungen bei Bedarf l sen 5 Tasten Platte Geh user ckteil abnehmen Punkt 1 4 Schrauben N Fig 9 herausdrehen Steckverbindungen bei Bedarf l sen 3 Rectifier PCB Remove the cabinet r...

Page 6: ...ausdrehen Steckverbindungen bei Bedarf l sen 11 Cassetten Laufwerk Haupt Platte ausbauen Punkt 10 4 Schrauben U Fig 13 herausdrehen Cassettenfach ffen 6 MP3 PCB Remove the cabinet rear part point 1 Un...

Page 7: ...50 RRCD 4305 SPCD 1 7 Bedienhinweise Dieses Kapitel enth lt Ausz ge aus der Bedienungsanleitung Weitergehende Informationen entnehmen Sie bitte der Bedienungsanleitung deren Materialnummer Sie in der...

Page 8: ...GRUNDIG Service FREAXX 50 RRCD 4305 SPCD 1 8...

Page 9: ...50 RRCD 4305 SPCD 1 9 Operating Hints This chapter contains excerpts from the operating instructions For further particulars please refer to the user instruction the part number of which is indicated...

Page 10: ...GRUNDIG Service FREAXX 50 RRCD 4305 SPCD 1 10...

Page 11: ...4 Mess Sender ber Loopantenne einkoppeln ohne Modulation Digital Voltmeter an Messpunkt TP4 Digital Voltmeter an Messpunkt TP3 Mess Sender an Antennen Eingang TP1 TP2 Masse ohne Modulation Digital Vol...

Page 12: ...Hz Teil abspielen Frequenzz hler an Stecker CN401 Pin2 Pin4 Masse Bespielbare Cassette einlegen Ger tefunktion Aufnahme Start Abgleich Vorbereitung Abgleichvorgang 1 Bandgeschwin digkeit 2 Gleichlauf...

Page 13: ...end L502 for 7 2V 0 2V Adjust alternating with L501 bend at 88 0MHz and with VC501 at 106 0MHz for AF Maximum 1 LW Oscillator 2 MW Oscillator 3 AM IF 4 LW Pre Stage 5 MW Pre Stage 6 FM Oscillator 7 FM...

Page 14: ...t Test Cassette e g 449 play 8kHz part Connect the Frequency Counter to connector CN401 Pin2 Pin4 GND Insert a recordable cassette Function Record Start With adjustment control in the cassette motor s...

Page 15: ...OR Q108 Q109 CD SERVO IC701 CXA3068Q IC702 BA5970FP IC703 CXA2581N PROTECT CCT Q106 D205 D207 Q702 D703 D705 SWITCH Q220 Q221 5V REG Q101 Q102 Q103 MUTE CCT Q201 Q202 9V MAIN SUPPLY D801 D804 F1801 T2...

Page 16: ...GRUNDIG Service FREAXX 50 RRCD 4305 SPCD 3 2 Verdrahtungsplan Wiring Diagram...

Page 17: ...GRUNDIG Service FREAXX 50 RRCD 4305 SPCD 3 3 Ansichten von den Best ckungsseiten Views on component sides Tuner Platte Tuner PCB FM Mode Platte FM Mode PCB IC502 LA 1823 IC501 BU 2614 FS...

Page 18: ...IN 2 CE 3 CK 4 DA 5 CD 6 P0 7 P1 8 IFIN 9 P2 10 AMIN 11 FMIN 12 VDD2 13 VDD1 14 PD1 15 VSS 16 IC501 BU2614FS C513 10n C512 3P R512 3K3 C505 1n C503 1n C515 1n TD503 SV321 C526 20n R515 22 R507 220 R50...

Page 19: ...7MS3 C554 10n R536 15K C535 2n R555 330 C551 68P NPO Q515 9014C R556 33K R559 120 3 2 1 6 4 7 T509 8290 CF504 CDA10 7MG1 C537 u22 Q505 9014C R527 68K R528 22K R541 27 D503 1N5817 C519 1n 6 P R532 100K...

Page 20: ...78 SBSO 79 EXCK 80 IC701 CXD3068Q C760 20n C762 4u7 C739 220P R788 47K R790 47K R789 47K C743 22P C742 22P X701 16 93MHZ 1 2 3 CN704 C748 10u L705 10uH C761 4u7 R752 10K C731 100n C759 100u R751 33K R...

Page 21: ...TDR 4 TDR 3 TDR 2 VC 1 SDR 22 SDR 23 SDR 24 SPDR 25 SPDR 26 SPDR 27 PREVCC 28 IC702 BA5970FP C729 33n R730 10K C722 100n R714 15K Q701 9012H C724 680P R715 7K5 R716 7K5 R717 15K C725 680P C726 680P C7...

Page 22: ...GRUNDIG Service FREAXX 50 RRCD 4305 SPCD 3 8 CD Servo Platte CD Servo PCB Ansicht von der Best ckungsseite View on component side IC702 BA 5970 FP IC703 CXA 2581 N...

Page 23: ...vice FREAXX 50 RRCD 4305 SPCD 3 9 Haupt Platte Main PCB Ansichten von den Best ckungsseiten Views on component sides Gleichrichter Platte Rectifier PCB Kopfh rer Platte Headphone PCB IC401 BA 3308 IC2...

Page 24: ...C251 100n Y5P K C250 100n Y5P K C256 100n Y5P K R410 10K R411 47K C410 4u7 R412 1M5 Q402 9014C R414 4K7 C411 4u7 R413 470 R420 470 R421 10K R423 1M5 Q403 9014C R422 47K R424 4K7 C420 4u7 C231 2u2 C230...

Page 25: ...D202 1N4148 R235 100K C217 1u C272 33n M C270 33n M R271 15K R275 15K 1 2 3 CN205 C260 4u7 C215 4n7 M C216 4n7 M C208 2200u C209 2200u R301 100 R303 100 R304 100 R302 100 C265 10u R234 100K R229 10K 2...

Page 26: ...2 120K R108 820K R106 510K1 C105 20n R811 82 R105 2K7 L108 10uH R151 390 R152 22K Q110 9015C LED802 GREEN LED803 GREEN R120 100K D109 1N4148 R110 150 D103 1N4148 R118 22K R174 120K Q105 9015C R111 2K2...

Page 27: ...28 29 TUNER POW 30 SYS POW 31 CD POW 32 BU2614CD 33 35 BUCE 36 BUCK 37 BUDA 38 OPTIONRD 39 ADKEY1 40 VDD 100 NC 98 NC 97 COM0 95 COM1 94 COM2 93 COM3 92 SEG0 91 SEG01 90 SEG02 89 SEG03 88 SEG04 87 SEG...

Page 28: ...GRUNDIG Service FREAXX 50 RRCD 4305 SPCD 3 14 Display Platte Display PCB MCU Platte MCU PCB Ansichten von den Best ckungsseiten Views on component sides...

Page 29: ...GRUNDIG Service FREAXX 50 RRCD 4305 SPCD 3 15 Tasten Platten Key PCBs MP3 Platte MP3 PCB Ansichten von den Best ckungsseiten Views on component sides...

Page 30: ...D7 19 DD4 16 BIST MODE 10 VCCAP 7 CLKIN 4 PIO13 1 VCCSIP 104 NDATA0 105 VCCKP 107 NDATA2 108 NDATA3 110 NDATA4 111 NDATA5 112 NDATA6 113 NDATA7 114 NSTROBE 115 MD 116 MC 117 NWRITE 118 VFD DATA 119 VF...

Page 31: ...44 DA3 43 VCCKP 42 DA4 41 DA5 40 DA6 39 ROM ADDR6 65 ROM ADDR7 66 ROM ADDR8 67 VCCSOP 68 GNDOP 70 C18 104 A9 NC 15 A6 24 A3 19 A0 16 NC 30 RAS 14 WR 13 D10 33 D13 37 D7 10 GND 40 VCC 1 LCAS 29 UCAS 28...

Page 32: ...4 1 GRUNDIG Service FREAXX 50 RRCD 4305 SPCD Explosionszeichnungen und Ersatzteilliste Exploded View and Spare parts List CS 21S...

Page 33: ...4 2 GRUNDIG Service FREAXX 50 RRCD 4305 SPCD...

Page 34: ...9550491500 Z DIODE BXZ55C5V1 5 1V0 5W D 108 830921504500 DIODE 1N4148 AV619 GA D 109 830921504500 DIODE 1N4148 AV619 GA D 110 830921504500 DIODE 1N4148 AV619 GA D 111 830921504500 DIODE 1N4148 AV619 G...

Page 35: ...18F Q 505 759540642200 IC FA 5311P Q 506 759540462000 TRANS S9015C Q 507 759540642200 IC FA 5311P Q 508 759540642200 IC FA 5311P Q 509 759540642200 IC FA 5311P Q 510 759540642200 IC FA 5311P Q 514 759...

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