Grundig RCD 1420 MP3 Technical manual

RCD 1420 MP3

Service Document

Exchange Set

Es gelten die Vorschriften und Sicherheitshinweise

gemäßdemServiceManual"Sicherheit",Material-

nummer720108000001,sowiezusätzlichdieeven-

tuell abweichenden, landesspezifischen Vorschrif-

ten!

The regulations and safety instructions shall be

valid as provided by the "Safety" Service Manual,

part number 720108000001, as well as the

respective national deviations.

Dieses Service Dokument ist nur in Datenform verfügbar

This Service Document is only available as data

Änderungen vorbehalten/Subject to alteration

Made by GRUNDIG in Germany • H-S43 1204

http://www.grundig.com

Service

Manual

Sicherheit

Safety

Materialnr./Part No.

720108000001

RCD 1420 MP3

AUDIO

CONTROL

VR401

LCD DISPLAY

TUNER

IC601

U701

KEY BOARD

MUTING

CIRCUIT

Q103 Q104

POWER

AMPLIER

IC101

FUNCTION SWITCH

SW601 Q105 Q106

MECHANISM

DA11

CD SERVO SYSTEM

+MP3 DECODER

U702 U703 U705 U706

POWER

SUPPLY

Q108 Q109

Q110 Q111

Q112 Q113

SUPPLY

SPEAKER

FM ANT.

10.5V

7.5V

RCD 1420 MP3

12-Oct-2004

DM-

GND2

OPOUT

14 OPI- 15

OPI+ 16

TR- 17

TR+ 18

TRO 19

(TRO) 20

VCC1 21

VCC2 22

BIAS 23

(FOO) 24

FM-

FM+

FMO

(FMO)

TRB

TREG

MUT

GND

(DMO)

DMO

DM+

FOO 25

FC+ 26

FC- 27

GND 28

GND3

29 GND4 30

U706

MM1469PH

AD0

IO1

IO2

IO3

GND

16 IO4 17

IO5 18

IO6 19

IO7 20

IO8 21

CE1 22

AD10 23

OE 24

AD16

AD14

AD12

AD7

AD6

AD5

AD4

AD3

AD2

AD1

AD11 25

AD9 26

AD8 27

AD13 28

WE 29

CE2 30

AD15 31

3V3 32

U705

1M SRAM ( SOJ)

2VRO 12

TEN 13

TEO 14

SBAD 15

FEO

FEN

SEB

VRO

RERP

BTC

RFCT

PKC

RFRPIN

VCC3 1

RFGC 2

GMAD 3

FNI 4

FPI 5

TPI 6

TNI 7

MDI 8

LDO 9

SEL 10

TEB 11

RFGO

GVSW

AGCIN

RFO

GND

RFN2

U703

TA2153FN

SDIo

BCKiO

LRCKiO

AD5

2V5

STANDBY

VSS

VSSL

VRAL

AD10 33

2V5L

2V5R

VRAR

VSSR

TESTP

CKS

AD12

AD11

AD9 34

3V3T 35

AD8 36

AD7 37

AD6 38

REQ 39

VSS 40

AD13 41

AD14 42

WR 43

AD16 44

RESET

MIMD

AD0

AD1

SDA

SCL

AD2

3V3T

SDo

AD3

AD4

AD15 45

io0 46

io1 47

GND 48

io2 49

io3 50

io4 51

2V5 52

io5 53

io6 54

io7 55

GNDP 56

Pdo 57

Vco1 58

2V5P 59

Cko 60

2V5X 61

xi 62

xo 63

GNDX 64

U702

TC94A02F-007

S12

S13

LRCK

BCK

DATA

DOOR-SW

INNER-SW

+5V

GND

POWER OUT

CDRW/STEREO

PLLDATA

FUNCT A

FUNCT B

EQ1

KEY-AD1

KEY-ED2

TUNER BAND

PUH SELECT

REQ

SDA

SCL

PLL-CLK

PLL-CE

EQ2

FUNT IN/OUT

VOL-DN

VOL-UP

MUTE

DECODER RESET

DOUT

SBSY

SBOK

S10

S11

+5V

GND

P2VREF

PDO

TMAX

LPFN 51

LPFO 52

RVREF 53

VCOF 54

AGND 55

SLCO 56

RFI 57

A+5V 58

RFCT 59

RFZI 60

RFRP 61

FEI 62

SBAD 63

TEI 64

TEZI 65

FDO 66

TRO 67

VREF 68

RFGC 69

TEBC 70

XI 78

FMO 71

DMO 72

2VREF 73

SEL 74

+5V 75

GND 76

XGND 77

DVSR 81

RO 82

DVRR 83

DVDD 84

DVRL 85

DVSL 87

NC 88

NC 89

RST 90

HOLD 91

REMOTE 92

MXO 93

MXI 94

MGND 95

XO 79

X+5V 80

M+5V 96

COM1 97

COM2 98

COM3 99

COM4 100

LO 86

U701

TC94A09F-209

Q707

TL431

C786

10n

C723

15P

C724

15P

X702 75KHz

R737

2K7

R791

10K

C785 100P

C784 100n

R738

R790

560

R789

C781

100n

C783

100n

C782

100u

C799

15P

C780 15P

X701

16.93MHz

R780 10K

C778

10n

C777 47n

C776 47n

C775 47n

C774 47n

C773 470P

C772

470P

R804 3K3

CN713 C1

R704

10K

R703

4K7

R793

4K7

R794

10K

SANYO DA11V

TUNER BAND

AREA=GEN2PUH SELECT

R795

10K

CN708

DOOR SW

GND

R801

10K

R802

10K

R796 22K

CN710

TO KEY BOARD CN502

TO CD DOOR SW

TO TUNER MAIN BOARD

TO KEY BOARD CN501

C787

47u

R811

47K

R812

47K

D704

4148

D702

4148

L710

47uH +C713

220u

R792 10K

C702

100u

C701

220u

L709

47uH

R756 1K

R755 1K

R754 1K

R758

4K7

R7594K7

R7574K7

R712 10K

R750

10K

C740 100n

C736

100n

3V3

R785

2K2

C738 100n

R748 2M2

R752 10K

R753 2K2

R749

4K7

R782

220K

C733

100n

C714 100n

R736

10K

R711 10K

R751

10K

C712

100n

C711

47u

C725

47u

C709

47u

C710

100n

C708

2n2

C705

2n2

C704

2n2

C707

2n2

R710 220

R708

220

R709 220

R707

220

C703

10u

C706

10u

AD00

AD01

AD02

AD03

AD04

AD05

AD18

AD19

IO7

IO6

IO5

IO4

IO3

IO2

R747 10K

C737

100n

R745

270

R746

270 C735

330n C734

100n AGND(PLL)

IO1

IO0

AD15

AD16

AD17

AD14

AD13

AD06

AD07

AD08

AD09

AD10

3V3

R705

10K

L=FUNC IN

R784

10K

C770

10n

C771

47u

C769

47u

C768

47P

R783

47K

C761

47u

R781

15K

C767

15n

C76610n

C7652n7

C764 4n7

C762

10n

C763

47u

C746 47n

R798

220

CN702

CN709

6PINS

R803 220

R797

10K

Q701

8550C

Q702

9014C

C751

10n

C788

470u

C752

100u

C722

220u

R706

R786

47K

7V+

R787

10K

R788

22K

SLT-

SLT+

FM+

FM-

DM-

DM+

TO CD MECHANISM

R774 33K

R799

220

R773 1K

TEO

C749 4n7

R772

56K

C759

47u

+C750

100u

R771 15

Q706

9015C

L708

10uH

R770

WIRE

R769

62K

R768 68K

R767 68K

R766 68K

R765 68K

R764 62K

R763 15K

R762 15K

R761 15K

R760 15K

C741

10n

L713

10uH

TO CD PUH(SANYO DA11V)

FC-

TR-

TR+

FC+

GND

VCC

C748 220n

C747 220n

T5 REGO C794100n

C743

10n

C760

56P

+ C742

47u

+C739

47u

C745

100n

R775220

R778

18K

C744

VREF

R776

43K

R777

2K2

R779

FEO

RFO

R730 10K

R729 10K

R728 10K

R727 10K

R726 10K

R725 10K

R724 10K

R723 10K

R722 10K

R721 10K

R720 10K

R719 10K

R718 10K

R717 10K

C732 100n

C731 47u

128KX 8 (15ns)

R735 10K

R734 10K

R733 10K

R732 10K

R731 10K

R744 10K

R743 10K

R742 10K

R741 10K

R740 10K

R739 10K

3V3

IO7

IO6

IO5

IO4

IO3

IO2

IO1

IO0

AD15AD16

AD17

AD14

AD13

AD06

AD07 AD08

AD09

AD10

AD00

AD01

AD02

AD03

AD04

AD05

AD18

AD19

AD11

AD12

AD11

AD12

IO(0-7)

AD(00-19)

R808

68K

R807

68K R702

10K

R701

10K

+7V

R-CH

AGND

L-CH

L707

47uH

C730

47u +

C720

47u

R716

10K

R715

C729

100n

C728

220u

Q708

TL431

L705 47uH

+C726

47u

+C719

10u

R714

10K

R713

C721

47u

C727

47u

L706 47uH

L704

47uH

OUT IN

U709 7805

OUTIN

U708

B1117N

L703

47uH

L702

47uH

3V3

C715

100u

C716

220u

C717

100n

C718

100n

18 : 8. 8

DGND

+7V

K504

DOWN/REW

K503

UP/FF

K502

STOP/BAND

K501

PLAY/ PAUSE

R503

2K7 R502

2K R501

1K5

R520

390 D501

LED

CN501

K512

PROG/MEM

K514

DIR/M.DN

K513

DIR/M.UP

K511

MODE

R513

2K7 R512

2K R511

1K5

CN502

AD2

AD1

LCD701

TO CD BOARD CN713

RCD 1420 MP3

14-Oct-2004

L-CH

GND

R-CH

GND

R-CH

GND

L-CH

R-CH

GND

L-CH

R-CH

L-CH

115

NOTE : RESISTOR IN OHM

CAPACITOR IN F

INDUCTOR IN H

UNLESS OTHER SPECIFY

VR-L

VR-R

R-OUT

L-OUT

GND

V+

GND

POWER BOARD

RECTIFIER BOARD

AC SOCKET

R105

220K

R106

220K

R107

4K7

R108

4K7

R112

4K7

R113

100K

R114

100K

R117

R118

R121

2K2

R138

15K

R127

82OK

D301

1N4001

D303

1N4001

C301

20n 50V

C302

20n 50V

C304

20n 50V

C101

u47

C102

u47

C103

22n(M)

C105

u47

C106

u47

C104

22n(M)

C119

100u

C123

100n(M)

C124

100n(M)

C127

20n

C131

D102

1N4148 D101

1N4148

Q101

9014C

Q102

9014C Q103

9014C

Q104

9014C

Q106

9014C

Q107

9014C

R202

180

SW1 SOCKET SW

R201

180

CN202B

CN202A

C120

100u

C303

20n 50V

D304

1N4001

D302

1N4001

CN104

R111

4K7

C111

u47

C112

u47

C121

1000u

C122

1000u

C113

C114

CN501

CN503

R115

150

R116

150

C128

2200u 16V

C126

100u 16V

T H E R M AL

F U S E

SP202

8 OHM

SP201

8 OHM

C305

2200u 16V

R110

47K

PRE GND

IC101

TA8227P

R406

3K9

C402 600p(M)

R405

3K9

C401 600p(M)

R401

39K

R109

47K

R402

39K

R404

10K

R403

10K

C135

22u

R120

33K

R119

33K

C125

100u

C129

100n

Q105

9012H

C130

100u

C117

100u

C118

100u

CN106

JK201

STEREO

JACK

BATT1

1.5X6=9V

C405

120n(M)

C406

120n(M)

C403

600p(M)

C404

600p(M)

R103

18K

R104

18K

C107

u47

C108

u47

CN105

CN502

SW401A

2P2TD

OFF

SW401B

2P2TD

OFF

C109

u47

C110

u47

R141

R140

R203

150 R204

150

R122

SW101A

4P3TD

OFF

SW101C

4P3TD

OFF

R139

2K2

V+

CONT

MUTE

GND

CD-R

GND

CD-L

CN201

CN107

R-CH

GND

L-CH

R-CH

GND

L-CH

PHONE BOARD

VOLUME BOARD

Q109

2SB772Q

R137

Q110

9014C

R136

82K

R135

18K

Q108

9014C

R133

390K

R134

22K

R132

6M8

C134

100u

C132

1u C133

20n

D103

1N4148

R131

18K

R130

6K8

R129

330

R128

3K3

D106

1N4148

D104

1N4148

D105

1N4148

Q111

9015C

R142

Q112

9014C

R143

220K

Q113

9014C

R144

680K 1%

R146

39K 1%

R145

6M8

C136

47u

C137

20n

SW101D

4P3TD

SW101B

4P3TD

OFF

5V6

CD+

RA-R

RA-L

CN103

CN603

C116

4u7

GND

RA+

MUTE

3V9

BATT2

1.5X2=3V

CN301

CN101

D108

1N4148 3V+

RADIO BOARD

FUNCTION SWITCH

1 3

VR401A

50KB

VR401B

50KB

CN604

CN102

CN602

CD+

D109

1N4148

R147

120

L2 4T

4T L3

(DV3287B)

TP101

TP102

TP103

R149

33K 1%

R148

50K

C201

C202

R150

T100K

R151

12K

RCD 1420 MP3

8-Oct-2004

IC601

TB2132FN

C613

30P

C612

30P

C611

30P

L606

4.5X3T5

FMANT

C614

22u

C615

100n

C616

220U

T601

7AL-321F CF604

SFE10.7MS3

CF601

SFE10.7MS3

CF602

SFU450B

C617

10u

C618

330P

CF603

CDA10.7M7GA128

C619

20n R607

3K3

C621

220n

75KHZ

C628

20P

C629

20P

C623

10n

R606

330

R609

4K7

R608

4K7

C622

10n C624

2n2

C625

2n2

C627

C626

R611

33K

R610

33K

R612

10K

R613

10K

L603

72:30T

TD603

SVC384

TC603

T10P

L602

COIL

TC602

10P

C605

20P

TD602

SVC201

C604

L601

4X3T5

TC601

10P

C602

20P

TD601

SVC201

C601

D601

1N4148 D602

1N4148

C603

4n7

R601

47K R602

47K

R603

47K

L604

4X2T5

C607

TD604

SVC201

R604

47K

C606

18p

L605

7AL-369SO

C609

330P

C608

30P

C610 10P

C642

10n

R605

100K

C646

100n

CLK

MUT

D603

1N4148

L608

100uH

R620

5K6

R621

5K6

R614

150

Q603

9014C

Q604

9014C

R624

R625

200

C640

100n

C639

10u R623

390

R622

3K3

T602

7076A

C635

15p

D604

1N4148

R615

4K7

C633

20n

C634

47u

Q601

9014C

Q602

9014C

C637

20P

C632

20n

C631

10u

L607

100uH

C636 22p

R617 68K

R619

39K

R618

820K

R616

330

RLLPF2

C638

10n

3V9

C641

RA-R

GND

RA-L

RA+

MUTE

3V9

D605

1N4148

R626

10K

GND

D606

3V3

FMR TVR VDD AMR FMO AMO CE CLK DA P+ DO FB FA PG XO

XILPF1MPXDETQUADAIFVCCFIFAGCMIXGNDANT

CN601

R627

R628

220K

R631

10K

CD+

R630

10K

C645

C644

100p

Q605

9018F

C643

100p

R629

C647

100n

C630

100n

C648

4n7

CN602

CN901

SW901

1P2T

STEREO

MONO

ST/MO BOARD

RADIO BOARD

TP601

TP602 TP605

TP603

TP604

TP608

TP607

TP606

C620

100n

RCD 1420 MP3

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