Philips FW-650-C Schematic

DECK 1
PLAYBACK

WIRING DIAGRAM

CDC KEYS

1403

FOR ECO4/TU92
RDS

CONTROL

REC/PLAYBACK

1409

5

DECK 2

8005

1405

6

1404

8007

CDC7 LIGHT

COMBI

15

8010

1720

8 3

1711

1712

11

1741

1730

0007

1832

KARAOKE

8504 2

1562 1830

1742

1831

1829

79

8001 8002

1303

17

8009

1828 1505

1833

1301

1200

1553

1825

8011

8004

6 (9, 4)

1833 1153

TUNER

FRAME AERIAL

IN/OUT

1559

3

0004

B

CDC7-MODULE

CDC Electronic

19

1802

CDM 12.1

1800

1801

BLOCKDIAGRAM

FM-Osc.
to Synth.

V

L

1101 (1104)

A

FM

16

+5V

FM

Osc.

AM

Osc.

V

L

7

8

20 V

19

18

C

18

20

IN0

IN1

DD

1103

FM

Frontend

AM

Frontend

AGC

AM-Osc.
to Synth.

Version

V

AM IF

AM Det.

TUNER BOARD

ECO 4 VA mini

AGC

OUT5

Vss

5

FM

Det.

AM

Det.

Tuning

Ind.

Discr.

28

4

LF Filter

MONO / STEREO

AM / FM

SEARCH SENSITIVITY

13 17

OUT4 OUT6

Synthesizer IC

LC7218M

RADIO IC

TEA5712T / N2

Stereo

Decoder

VCO

MPX

29

31 27

2

5

3

4

left

right

Stereo

MUTE

AM/FM

VCO

1153

3

+5V

+V

left

right

STSIG

STEREO

Counter

Data

3

1172

CE

CL

2

3

30

32

2

2321

FM

Osc.

FM

Mixer

AM

Mixer

AM

Osc.

24

10.7MHz

13

AGC

14 15 10

450kHz 450kHz

L

V

L

SWITCHING LOGIC

10

119

OUT1

OUT2OUT0

10.7MHz

11

9

IF1

AM IF

AM WAVEBAND

12 15 14

OUT3

+5V

7

IF2

IF

Buffer

1 26

16

IF

Counter

SHIFT REGISTER

j

:N

21

V

L

Loop

1

filter

Reference

Osc.

+V

241 23

7.2MHz

CD INTERFACE

AM FRAME

AERIAL

B

FFC

JST

WIRETRAP

DIPMATE

BLOCKDIAGRAM

TUNER BOARD

1

Ant.

LOCAL/DISTANCE

AGC

Vcc

4

+FM

3

6

A

1110

1111

FM FRONTEND

MIXER

varicap

V

Osc. out

5

V

8

t

1346

1345

IF

out

TRAFO

4

7

7101

8301

5

8302

7116

METER

LS

POWER

3134

AFC

Level Det.

30

Vref.

2

1

4

FM

0011

5105

FM

Det.

AM

Mixer

AM Osc.

29

V

t

1110

OUT2OUT1

:N

V

t

6

0014

5

8303

96kHz

BIRDY FILTER

7 8

Comp
arator

9

AGC

AM IF

FMIF

26 16 24 5

SEARCH
LEVEL
AM

SEARCH SENSITVITY

LOCAL/

DISTANCE

OUT0

MW/LW

9

12 15 17

OUT3

SHIFT REGISTER

j

21

Loop

filter

Reference

Osc.

V

+V

Loop

7.2MHz

0013

5

1

FM IF

1

25

AM

18

SEARCH

LEVEL

fronted

FM

C

7115

V

t

Version

7

IN0

8

IN1

+5

20 V

AM

Osc.

FM

Osc.

DD

18

19

1304

Vcc

RADIO IC

LA1851N

Det.

IF Buffer

19

16

OUT6

IF

Counter

241 23

+V

3

AM

7

Vss

FM

AM

6

18

LF Filter

AM / FM

MONO / STEREO

13 14

OUT4 OUT5

Synthesizer IC

LC7218M

Tuning

Ind.

21

2

5

3

4

17 12

MUTE

Stereo

Decoder

VCO

10

13

3131
CROSSTALK

left

right

Stereo

456kHz

1405

6

5

4

3

8301

1

2

3

4

8302

1

2

3

4

5

6

7

2

P1 P3 K0 K1 K2

to control board 1404

1

P11

CDC-KEYS

0011

1

22V

2

4V~

3

4

0013

1

2

3

4

5

6

7

DW_SE5/2003

2365

2364
100n

7374
BC558

3386

-

3382

6.8k

100

!

2378
220µ

6361

100n

D5SBA20

~

+

~

18V

BZX79-C4V7

3385

3.9k

6370

2360
4700µ

27V

2361
4700µ

6384

BZX79-C12

2379

3383

3379

47µ

+24V

A

27V

+16V

B

2391

22µ

6362

BZX79-B11

NTC

PWI

3362
47k

3363
82k

18V

+12V

12V

2368
100µ

3364
1k

STBY

5.6V

+5.6V

NTC

PWI

+5.6V

-30V

4.5V AC

to/from POWER BOARD AF-Part

AF-Part

4.5V AC

7360

BD438

18V 12V

2375

17.2V

7363

BD437

7358

6393

1N4148

17.1V

5.6V

3365
220

2367

3361

18V

47k

0.6V

0.6V

3374
330

2374

1µ

1n

3368

18k

4.8V

3367

22k

2357
1µ

2.2µ

3360

3375

4.7k

+16V

BZX79-B6V2

6392

1N4148

2390

220

BC548

6358

6391

BZX79-C4V7

47µ

6.8k

220

!

BZX79-C36

7376

BT151

7364
BC548

6386

0V

0.6V

0.6V

7366
BC558

4.4V

6356

1N5395GP

!

2362

~
~

+5.6V

3380
680

6397
1N4148

6368

1N4148

6367

1N4148

BZX79-F8V2

2371

47µ

Voltage Doubler

6364
1N4148

~

~

100n

!

6357
1N5395GP

3373

4.7k

3387

4.7k

6366

3377

4.7k

2376

4.7n

~

9V
1V

2370

47µ

6365
1N4148

2372

47µ

4.5V

0.3V

NTC

6373

1N4148

3391

3390

3369

PWI

220

220

1N4148

6363

1k

3378

6396

3388

1N4148

2363

3372

3371

1k

3370

10k

4.7k

2373
47n

3376

470

6374
BZX79-C24

100n

15k

15k

2.4V

1.3V

2366

10n

7369

BC558

BC558

5.8V

3384

12k

3398

33k

7368

2377

2.2µ

4.2V

4.8V

5.6V

“2”

1464

“1”

1466

1463

1462

1461

“4”

“5”

“3”

OPEN

1458

“6”

1459

“7”

1460

POWER BOARD / Transformer Part

ITEM 1356, 1357, 1358, 1359

!

1355

6340

6353

1N4004

!

6354

1N4004

1N4148

VOLTAGE SELECTOR

110/127V

220/240V

3349
150k

2344

0.22µ

270k

3350

3

2

1

3343
470k

1355

6343

for /21 only

6

5

4

1N4148

!

6344

6345

BZX79-C12

1N4148

6351

!

Vref

Vss

1117

4

+FM

left

right

4

+V

V

Loop

+5V

1350

!

L

N

110-127VAC
220-240VAC

1352

T2AH

230V

!

5350

2

3

30

28

23

1N4004

!

!

1N4004

6352

!

STP7NA40

7351

5

3341

!

1112

RDS

STSIG

MUTE

STEREO

3

Data

Counter

CL

CE

LIFE PART

2.2M

3346
470k

3340

6341

1N4148

22k

2351

!

10n

SD

3357

0.47 2W

G

2352
100n

7342

BC558

7352

!

BT151

SOAR Protection 7351

3345
47k

3344

0.22 1W

3342
22k

7341

BC548C

6342

1N4148

3351

!

!!

470k

VERSION TABLE ( marked components)

1352 1356 1357 1358 6351-6354

T2A/22 T5A T2.5A T5A 1N4004GP

T3A/21 T6.3A T3.15A T6.3A 1N5395GP

T2A/37 T5A T2.5A T5A 1N5393GP

EVM

V

... V Voltages measured during operation

Voltages measured in ECO Mode (Stand by and display off)

... V

Signal path

~

30V

2343
10µ

!

1008

17

7

16

15

180 - 220V~

6

14

13

5

12

11

4

10

2

°

9

150 C

th. fuse

1

8

2345
10n

6

5

4

7353

CQY80NG

1356

1345

T5A

1357

T2.5A

1358

T5A

1346

10k

NTC

1

2

3

!

positive halfwave

negative halfwave

to POWER BOARD

1

PLAY BACK

DECK A

REC/PB

DECK B

erase

head

ERASE OSC.

BIAS GEN.

BIAS

LEVEL

12

13

BIAS

SYMM.

REC

LINE-IN

SELECTOR

HEF4952

Mode

STOP
PB deck A
PB deck B
REC (line)
DUBBING

FUNCTIONAL DIAGRAM TAPE PART

REC

EQUALIZ.

S3

S2

S4

S1

S0

PB

EQUALIZ.

S0

S1

S2

S3

0

1

1

0

0

0

0

1

1

0

S4

FILTER

PB-LEVEL

DECK A

PB-LEVEL

DECK B

REC-IN

REC

LINE-OUT

DETECT.

Vref

REC-LEVEL

REC-OUT

10 11

TAPE

IF-AM

450kHz

5111

40

AM-MIX Out

FM

DET

18

FM
IF1

CHARGE

PUMP

AM

OSC.

8

10.7MHz

TEA5762

FM
IF2

AM

FRONTEND

FM GND

RF GND IF GND Dig. GND RF GND

3

4 172642

38

V Stab A

AM

MIXER

+FM

BLOCKDIAGRAM

A

1102

1

Ant1

4 GND

f=f +f

oinif

3

6

AGC

+B

FM FRONTED

10.7MHz

Osc.

Out

Out

7

IF

8

6

C

Fa

F 10.7MHz

if

Fo

MT

MT

VT

5

VCC1 VDD

7 23

VCC1 VDD35FM-IF234V Stab B33FM-IF2I

STABILIZER

FM-IF1I in

37

FM Osc.

5

I-Tune

8

AM-RF

2

Ripple

AM-Osc.

1 10

AM-OSC

5123
5102
MW

2106

5103
LW

B

AM-RF

MW

5122

LW

41

AM-IF1 in

FM-Demod

10.7MHz

AM

IF-AM

AM-DET

2 1

VCC2

450kHz

AGC

44

36

AM-IF2

AGC

AM

DET

7

5114

450kHz

32

AM-AFC19AFC-20AFC+

AFC

AF-Out

Fieldstrength

21

ANTI BIRDY FILTER

Indc.

XTAL

OSC

75kHz

RDS

25

CONTROL

MPX-In

11

3142

VCO

STEREO

VCO LPF

9 12

22

VCC2

WRITE Enable

DATA

CLOCK

FM/AM

Mono/

Stereo

DECODER

PILOT

Left

Mute

Right

Filter

1121

1

GND

2

RDS

29

28

27

P1

31

39

P0

30

24

14

13

15

16

+FM

VCC1

VDD

RDS

3

ENABLE

4

DATA

5

CLOCK

6

STEREO

3

4

1124

1

LEFT

2

GND

3

RIGHT

4

VCC

5112

IF

VCC2

MOTOR

HS

SOL-B

EOT-B

SOL-A

EOT-A

COMBI BOARD

Vdd

Vcc1

5

B

b

St a

V

A

St ab

V

FM-RF

TUNER BOARD ECO5 systems

MOTOR
DRIVER

REGULAT.

SOLENOID

DRIVER

SOLENOID

DRIVER

Vcc2

VCO

LF Filter

Discr.

10.7MHz

10.7MHz

LOOP

V

1101

SPEED

1124

9

11

10

18

33

35

37

39

3

(1102)

TAPE SPEED

HS/NS

Tape logic / µP part

4

Vcc

left

right

4

4

15

14

right

left

stereo

Stereo

Decoder

FM

Det.

IF2

RADIO IC

IF1

FM

Mixer

FM

frontend

43

FM-Osc.

LOOP

V

FM

A

VCC-B

VCC-A

1

1126

3

Version

27

24

clock

TEA5757T

Multi-

plexer

Pre-

scaler

FM

Osc.

5

AM-Osc.

LOOP

V

stereo

28

data

AM

4

enable

Osc.

6

solenoid
deck A

hall-IC
deck A

clock

data

29

CONTROL

AM

Det.

AM IF

AM

Mixer

AM

frontend

2

C

AM-RF

1103

1

enable

31

P1

P0

output ports

programmable

AGC

1

LOOP

V

30

pump

Charge

8

LOOP

V

CRO2-A

Reference

Oscillator

AFC

38

A

St ab

V

MW/LW

AFC+

AFC-

34

B

St ab

V

AM-RF

25

20

19

32

44

36

41

40

22

7

23

AM-Osc.

75kHz

Vcc2

Vdd Vcc1

2

450kHz

450kHz

450kHz

MW/LW - SELECTION

(MINI)

3

1

+5V

3151

1.5k

2

A

T002

printed

100p

1.4V

0.8V

16151413121110987654321

in

FM RF

AM IF1

FM

Frontend

MIXER

5140
312211821101

2

T007

1.4V

in

AM

AM

AM/IF

3231

out

MIXER

MIXER

0

FM/IF

SFE10.7MS3

5143

1V

out

FM

MIXER

FM

FM

OSC

AM

OSC

4

6

1.4V

V Stab A

0.7V

FM IF1

FM
IF1

AM IF

3

1

1.3V

1.4V

in

AM IF2

7140

TEA5712T

AM

2151

in

10µ

T009

RIPPLE

2.1V

FM-RF

5109

RF1.5T

3108
100k

AGC

x2115
3-11p

6109

1SV228

AGC

0.7V

3106
100k

0.1V

2150
10µ

printed

FM RF

out

SUB

0V

7105

2SA838B

0V

0.7V

0V

Q-MULTIPLIER

LW/MW

GND

+5V

3157

2107

FM OSC

0V

27k

1n

Frontend

FM RF GND

AM RF

17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

0V

C

only for /01

3206

220

9134z

9199

B

St ab

V

MW/LW-RF

LW/MW

3109

2.2k

3107x

2.2k

2112
100n

6105

HV1V02H

2.7

0V

0.7V

LW

1

MW

123

B

b

St a

V

654

A

St ab

V

LW

AM-FRAME...

AERIAL

1105

3236o

2

1

0

T006

B

43

5108x

61

3221

3222o

5107

2

0

0

2114x
100p

5%

3245o
0

T005

7102x

BC817-40

2113
4-20p

2110o

2126x

100n

22p

71042x

BC848C

5142
F7MCS-12216N

2

2147

SFE10.7MS3

T012

1.1V

0.7V

out

FM IF1

AM/FM

INDIC

V Stab A V Stab B

AM OSC

0V

FM-OSC

5120

RF1.5T

2121

15p

6124

1SV228

2120
470p

3120

5.6k

2185
100n

BC848C

3124x

2.2k

0V

0.7V

AM/IF

10n

FM/IF

5144

1.4V

V Stab B

FM
IF2

IF AMP

MUTE

STABILIZER

VCC

5V

+5V

only for /01

5125

0.47µ

9105z

printed

3244

3238x

7121x

4

6

1.2V

0.7V

in

FM IF2

AM

DET

IF GND

TUNING

INDIC

Tuned = Low

3147

VCO 152kHz

0

0

DISCRIMINATOR

5145

CDA10.7MC40

1V

IF

FM

GND

PILOT

FM

PRES

DET

PHASE

SWITCH

AM/FM

SWITCH

AM

CONV

AM/FM SWITCH

R VCO

AM/FM

1V

0.7V

1.6V

4

AM = High

6140

1N4148

180k

56k

3149

100k

3148

0

3243o

0V

DEMOD

DET

DET

V/S

OUT

T010

3248

4

6

4

6

PILOT

FILTER

0

5123

5122x

1V

FM

MPX

1.3V

T013

2141

2.2µ

0.6V

R out

MATRIX

38kHz

SYNCH

DET

CONTROL

MONO/ST

SWITCH

LED

DRIVER

IN

STEREO

LED

0V

5V

T011

2167
100n

BIRDY FILTER

2169
330p

MW

110µH

LW

110µH

T014

1.7V

0.6V

L out

IF count

SOFT
MUTE

MUTE

TER

LOOP FIL

MUTE

M/ST SWITCH

0.7V

0.8V

0.2V

MONO = Low

STEREO = Low

AM = HIGH

3132

4.7k

3

2

1

3

2

1

2154
18n/27n

*

2155
18n/27n

*

AM/FM/IF

COUNT

AMP

FM IF

AM IF

SDS

VCO

DIVIDER

18/19/38kHz

AM OSCILLATOR

6105

HV1V02H

5

3242

0

2136
27p

2125x

3241o
0

27p

9190

9191

VERSION PROGRAMMING DIODES

FM, MW, LW EUROPE

FM, MW, LW EAST EUROPE

FM, MW USA/17

FM, MW OVERSEA /01

FM,MW,LW,SW

2129x

390p
1%

3.6

FM, MW, SW

3159

56k

2142

1µ

3224

0

7123x
BC848C

X = DIODE MOUNTED

LOOP FILTER

STEREO DECODER

2143

0.47µ

2138o

33p

0.7V

LW

0V

3129x

4.7k

2144

0.47µ

3142

2.2k

TUNED = Low

2135
560p
1%

3226o
0

0

3229o

PADDING

LW/MW

3128

10k

2139xB

2.2n

LW

2160

2161

3162

1k

1µ

3163

1k

1µ

7172

2177x

100n

6154

1N4148

V

0V

0.7V

+V

3156

10k

FM

AM

MONO = Low

STEREO = Low

Tuning-Indic

Tuned down

Tuned up

LW=high

3177x

10k

4

5V

PC74HCU04T

0V

0.7V

1

MW/LW

IF-COUNT = HIGH

3

0V

SYNTHESIZER

7173 LC7218M

FM/AM

VCO KILLER

IF

3121

100k

0.7V

7120

2122

2SC1047

1n

+5V

3123

22k

5V

0V

0V=no communications

0V

CLOCK

V

0V

0V

0V

CE

DATA in

VERSION PROGR DIODES

6121
1N4148

6122
1N4148

6123
1N4148

0V

0V

0V

121110987654321

OUT3

OUT2

OUT1

OUT0

3183

22k

3184

22k

T038

SYNC

0V

DATA out

0V

0V

IN1

IN0

SHIFT REGISTER LATCH

REFERENCE

1/2

Charge pump

PD1

1V

2183

100n

PD2

DIVIDER

PHASE

DET.

VSS

HN1V02H

1

2

3

4

PROGR.

COUNTER

OUT6

2134

0V

5V

AMin

0V

AM

OSC

1n

7172

9

PC74HCU04T

DIVIDER

FMin

2.6V

1

3112

8

VDD

10

+5V

5V

LW = Low

5V

0V

UNIVERSAL

COUNTER

OUT4

OUT5

LOW

CTR

HIGH

13 14 15 16 17 18 19 20 21 22 23 24

5V

0V

0V

0.8V

2178

+5V

3122

470

2123

3119

1n

470

3.4V

FM OSC
AMP

SWITCHING LOGIC

7172

1

11

PC74HCU04T

CTR

0V

0V

AM IF

FM IF

2179

2124
10n

100p

1n

AM-WAVEBAND

LW/MW

10

0V

5V

2.4V

Xin

Xout

2.7V

6105

11-16V

+V

to

3193

3194
3195
3197

7175

3192 1.8k

3191 1.8k

3190 1.8k

3189 1.8k

3171 100R

L=valid_signal

3188
1k

2180

Weak signal

7.2MHz

2181

12p

5170

7.2MHz

27p

5V

0V

3176
100R

to
2193
3110
3111

Tuning_indic

3112
3113
3116
3122
3123
3135
3144
3151
3157
3160
3161
3175
3180
3182
3185
3186
3187
7140
7167
7172
7174

Strong signal

5.1V

+V

152kHz 150mVpp

5V

0V

stereo stereomono

4.8V

2184
100µ

STABILIZING CIRCUIT +5V

o for 2-band version only
x for LW version only
*, y for USA version only
z not for all versions

+5V

5V

8

7

6

5

14 13 12 11 10 9 8

VCC

7172

PC74HCU04T

1234567

3235

6121

0

6122 6123

XX

X

X

X

X

X

X

FM/AM SWITCH

0V

T040

3174
10k

7128x

BC848C

3125x

4.7k

X

7172

1

2

PC74HCU04T

0.7V

0V

IF

5V

0

5V

0

1

5V

0V

Autostore
with 1-level search

3173
15k

T015

+5V

3175

100k

5V

0.6V

7170

BC848C

LOOP FILTER

FM/AM

+5V

1

7171
BC848C

Found strong
signal during
SEARCH

IF 200mVpp

3186
100k

2172

1.5µ

3172

4.7k

1V

2173
47µ

+5V

3141
220R

3144
10k

6170
1N4148

3153
68k

0V

7168
BC858B

3193

2.2k

2171

4.7n

T036

2170

4.7n

IF

3170

4.7k

7179x

BC848C

T020

T021

T022

T023

T027

T028

T029

T030

T031

T032

6174
BZX79-B5V1

3167
0R

1153

4

AF_left

3

GND

2

AF_right

1

+V

1172

1

CL

2

DATA

3

COUNTER/DATA

4

CE

5

STEREO

6

STSIG

+V

11-14V

3240

3194

47R

330R

3197

330R

3195
330R

SIGNAL PATH

EVM

V

Vdc FM mode stereo

Vdc MW mode

V

Vdc LW mode

V

GND

3

2

FM

AM

AF

BOARD

TO/FROM CONTROL

BOARD

TO/FROM CONTROL

AERIAL

AM-FRAME

B

DW_SE5/2003

2

COMBI AF-PART

1560

2

L

3569

2563

150k

47p

2564

S

S

47p

3570
150k

6

2555
220n

3527
47k

1

R

3

459
NEQ

4599
NK

2843

0.47µ

1

2

A

3

4

+12V

2844

2556
220n

0.47µ

3528

47k

4597
NK

4595
NEQ

3512

15k

2580

3548

150k

NJM4560M

L-EQU

L-REC

L-IN

TAPE-L

CD-L

AUX-L

CD-R

AUX-R

TAPE-R

R-IN

R-REC

R-EQU

AUXILARY

3559

3.3k

2557

0.22µ

1553

from/to
TUNER

2558

0.22µ

3560

3.3k

2565
100n

3563
1M

3564
1M

3

2

S A

1

2566

0004

100n

L-EQU

3547

150k

+9V

2535

10p

7507

NJM4560M

1

4.5V

3575 68k

2579

3531

1µ

3511

15k

4.5V

4.5V

4.5V

16 15 14 13 12 11

3505

100k

9.0V

8

2

4.5V

-

3

4.5V

+

1k

2559

10n

8.9V

4.5V

MUTE

INPUT MONO

INPUT A LEFT

INPUT B LEFT

INPUT C LEFT

SOURCE SELECTOR

RIGHT

RIPPLE IN

INPUT C RIGHT

4.5V

47µ

REF_SOUND

REF_SOUND to

3505
3506

3506
100k

6

4.5V

4.5V

5

RIPPLE IN

4.5V

2561

47µ

REF_SOUND

INPUT A RIGHT

INPUT B

17 18 19 20 21 22

4.5V

8.9V

4.5V

2560

3532 1k

1µ

3576 68k

2536 10p

-

7

4.5V

+

4

7507

A

3593

470

REF_SOUND

A

4.5V

INPUT D LEFT

INPUT D RIGHT

4.5V

A

3

2

1

1559

2501

8.2n

3501

22k

2537 100p

3503 2.2k

A

A

2503

0.47µ

4.5V

4.5V

10

9

VOLUME1

LOUDN.

LINEAR OUT L

LEFT

LOGIC CONTROL

VOLUME1

LOUDN.

RIGHT

LINEAR OUT R

23

24

4.5V

4.5V

2504

0.47µ

3502
22k

2502

2.2k

8.2n

2538

3504

100p

AA

AUX-L

AUX-R

A A

3507

4.7k

2517 470n

2507

270n

6551 BAV99

12

3

6553 BAV99

21

3

2505

0.22µ

4.5V

4.5V

8

7

BASS

LEFT

BASS

RIGHT

25

26

4.5V

4.5V

2506

0.22µ

6552

BAV99

12

3

6554

BAV99

21

3

470R

2508

270n

3594

2518

3508

470n

4.7k

A A

+µP +12V

3572
220k

3549
220k

2539
100n

2553

5.7V

2.2n

7502

BC848C

A

A

A

VERSIONS:

Karaoke K
No Karaoke NK
No Equalizer NEQ

3533

5.6k

2511

330n

3553

3543
1k

3577

2552
100µ

4.5V

4

Front

Front

29

4.5V

BC848C

4.5V

3

Rear

VOLUME2

LEFT

VOLUME2

RIGHT

Rear

30

4.5V

3544

1k

7505

9.7V

3524
22k

2521
220µ

1k

A

4.9V

1

2

2

IC

7553 TEA6321

VCC

32

31

3578

9.0V

0.2V

1k

9.0V

+9V to

3589

+9V

7507

3535

3536

4.7k

4.7k

A

IIC-SCL

IIC-SDA

A

2513

5.6n

4.5V

4.5V

6

5

TREBLE

LEFT

TREBLE

RIGHT

27

28

4.5V

4.5V

2514

5.6n

A

12.0V

+12V

3523

4.7k

2512

330n

A A

3534

5.6k

2523

3555

120k

3551

REF

2524
10n

10n

3554

3556

120k

3552

REF

2530
330n

47k

47k

2529
330n

47k

47k

2525
470p

2526
470p

4.5V

4.5V

REF

4.5V

4.5V

REF

2527 100p

3557

+12V

47k

12.9V

4

2

-

1

3

+

7506

NJM2058M

2531

3583

4.5V

1.5n

6.8k

3591

4.5V

6.8k

INCREDIBLE

STEREO

2528 100p

3558

7506

47k

NJM2058M

9

-

3584

8

+

11

A

2532

4.5V

1.5n

6.8k

3592

4.5V

6.8k

3598

6.8k

REF

10

4.5V

3565

4.7k

6

5

4.5V

3566

4.7k

13

12

7506

NJM2058M

3567

3.3k

­+

7506

NJM2058M

3597

6.8k

REF to:

2525 2526
3551 3552
3598 3597

3568

3.3k

­+

3509

3573

3574

3510

10k

4.7k

7

4.5V

REF

REF

14

4.7k

10k

4.5V

HPREF

2515

33n

3585

270k

HPREF

HPREF

3586

270k

2516

33n

HPREF

A

39k for none I

3515

3529

39k

2581
100p

2583

33n

3595

270k

3589

820

3590

3.9k

2509
47µ

3596

270k

2584

33n

2582
100p

3530

39k

3516

10k

+9V

10k

3513
100k

2533 15p

A

8.2V

2

3

8.2V

NJM4556AM

2585
100p

A

HPREF

2541
47µ

3541

4.7k

A

A

3580

33

A

2586
100p

5

8.2V

6

8.2V

NJM4556AM

4

­+

7501

-30V

HPREF to:

3515 3516
3585 3586
3595 3596

+16V

!

A

17.6V

+

4

-

8.2V

7501

2534
15p

3514
100k

2588
100n

8.2V

3500

4.7M

3521

1k

A

7503

BC817-40

-8.4V

3522
1k

-8.4V

7504
BC817-40

2574
100p

2589
100µ

3520
100

3517

1

7

4555

4.7k
3538

470k

3539

2.2M

0.6V

100

3519

2519

47µ

0V

2578
100p

A

A

3537

470k

2540

22n

2733

0.47µ

+µP

47

3540
100

4.9V

BC858C

-8.4V

1505

5

4.9V

7512

100k

3545

2550
1µ

2734

0.47µ

4

3

2520
47µ

2

1

PHONES

A

0V

A

A

3518

47

+12V to

0005 (pin2)
1551 (pin5)
1833 (pin4) 1830 (pin16)
1835 (pin6) 1834 (pin16)
3523
4555
5501
7506
7505

AUDIO-BUS

R-REC

L-REC

MUTE

ML

REC-L

REC-R

CD-L

CD-R

TAPE-L

TAPE-R

STBY-AMP

IIC-SDA

IIC-SCL

MUTE

MIC-SENSE

KEY-SENSE

VOCAL-C

KEY-DATA

VOCAL-B

KEY-CLOCK

VOCAL-A

KEY-STROBE

KEY-ON

CLIPPING

NTC

STBY

PWI

To 3540 7512

3572

+5.6V to
6501 7856

+5.6V

+16V

To 7501

+12V

STBY-AMP

R-AUDIO

L-AUDIO

PWI

-30V

F1

F2
STBY

CLIPPING

NTC

REC-L

REC-R

CD-L

CD-R

TAPE-L

TAPE-R

S-ANALYZER

STBY-AMP

IIC-SDA

IIC-SCL

MUTE

MIC-SENSE

KEY-SENSE

VOCAL-C

KEY-DATA

VOCAL-B

KEY-CLOCK

VOCAL-A

KEY-STROBE

KEY-ON

CLIPPING

NTC

STBY

PWI

+µP

1833

9

8

D

7

6

P

5

4

3

2

A

1

1829

7

6

5

4

3

2

1

(TO COMBI
BOARD TAPE
SIGNAL PART)

(FROM COMBI
BOARD CD PART)

(FROM COMBI
BOARD TAPE
SIGNAL PART)

+5.6V

GND-DIG

+16V

GND-POW

+12V

STBY AMP

R-AUDIO

GND-ANA

L-AUDIO

PWR-DOWN

-30V

4.5V AC

4.5V AC

STBY

CLIPPING

NTC

TO/FROM COMBI MUP PART

TO/FROM POWER BOARD

FUNCTIONAL DIAGRAM AF-PART

CD-L

TUNER-L

TAPE-L

AUX-L

SOURCE SELECTOR

AUX-R

TAPE-R

TUNER-R

CD-R

MIC 1

MIC 2

KARAOKE BOARD

+6V

MIC AMP.

(not for all versions)

LINEAR OUT-L

FB

VOL1
lound.

lfte

VOL1
lound.

right

FB

LINEAR OUT-R

MIC AMP.

HIGH if no mic connected

MIC SENSE

0V .. if no mic connected
2V .. if mic connected

but no signal on input

>2.5V .. mic & signal

SOFT­CLIPP.

BASS

LOGIC CONTROL

BASS

SOFT­CLIPP.

FB

left

right

FB

+6V

FB

TREB

lfte

TREB

right

FB

RAM

MAIN

CONTORL

VOL2

lfte

VOL2

right

IIC-SCL

IIC-SDA

OSC

MIC/ECHO MIX

short-circuit only for sets
without Karaoke feature

TEA6321

2

IC

INTERFACE

short-circuit only for sets
without Karaoke feature

DIG. ECHO

M65844P

DAC LPFADCLPF

FRONT L

REAR L

REAR R

FRONT R

SWITCHING NETWORK

L-IN L-OUT

INCRED.

STEREO L

INCRED.

STEREO R

R-IN

R-OUT

L-OUTL-IN

VOC. FADER

VOCAL A

VOCAL B

VOCAL C

DW_SE5/2003

HEADPHONE

L-AUDIO

R-AUDIO

MUTE

BA3837

LOGIC

Left analog

GND analog

Right analog

AMP ON

GND POW

GND DIG

to/from COMBI BOARD

1301

1

2

3

4

+12V

5

6

+16V

7

8

+5.6V

9

1303

1

2

3

4

5

6

7

to primary and secondary
(SUPPLY) part

opt. 8305

1

connected to
METALL BOTTOM

+16V

+5.6V

NTC

CLIPPING

STBY

4.5V AC

4.5V AC

-30V

PWI

3302
10k

3303

3313

120

+12V

1830

1716151413121110987654321

n.c

A D

R-REC

L-REC

R-IN

R-IN

+12V

R-REC

L-REC

GND-A

TO/FROM KARAOKE BOARD

RIPPLE
FILTER

+

-

GND GNDSTBY

123456789101112

2305

10n

1.2V

2309

2310

4.7V

2307

10n

22µ

3315

3.9k

4.7V

1.2V

2308

10n

3316

3.9k

22µ

1.2V

16.4V

PIN1

47k

+12V

3304
220

6310

1N4148

2313
1µ

3309

330

RIPPLE
FILTER

+

-

GND GNDSTBY

123456789101112

2306

1.2V

10n

16.4V

PIN1R

3310

330

TA

L-IN

MIC-SENSE

VOCAL-C

KEY-DA

L-IN

VOCAL-C

KEY-DATA

MIC-SENSE

7301 AN7164

­+

0V

8.6V

390

2315

47µ

3307

6325
BZX79-C4V7

2317
100n

3317

2.2

7302 AN7164

­+

0V

8.6V

390

2316

47µ

3308

6326
BZX79-C4V7

2318
100n

3318

2.2

VOCLA-B

KEY-CLOCK

VOCAL-B

KEY-CLOCK

BOOTSTRAP

14.4V

3325
220

!

BOOTSTRAP

14.4V

3328
220

!

VOCAL-A

KEY-STROBE

VOCAL-A

KEY-STROBE

8.6V

2319

47µ

6331
BZX79-C4V7

2311
100n

3311

2.2

8.6V

2320

47µ

6332
BZX79-C4V7

2312
100n

3312

2.2

KEY-SENSE

KEY-ON

GND-DIG

KEY-SENSE

VCC

BOOTSTRAP

17.3V

14.4V

220

3331

6303

1N4148

!

VCC

BOOTSTRAP

17.3V

14.4V

220

3326

6304

1N4148

!

KEY-ON

3359

2323
1µ

6301
1N4148

2324
1µ

6302
1N4148

Pin12 +16V

1

6307

BYV27-50

2339
47µ

3347

3.3k

PIN1

Pin12 +16V

6308

BYV27-50

2338
47µ

3338

3.3k

PIN1R

V

7305
BD681

+5.6V

7306
BD681

DC-voltages measured in

EVM

Tuner FM Stereo

+24V

3355

100

2329

1µ

27V

3327

17.4V

330k

26.3V

6335
BZX79-F22

+24V

3356

100

2330

1µ

27V

17.4V

POWER BOARD / AF-Part

3329
100k

27V

7307
BC558

8303

2331
100n

CLIPPING

1304

5

4

3

2

1

2327

0.22µ

to 2328

2337
220µ

2333
100n

3337

68

3336

2334
100n

68

2336
220µ

from 2327

8304

1

connected to

2328

REAR CABINET

0.22µ

only surround version

3335

4.7k
6309

BZX4V7

0014

5

4

3

2

1

3333
68k

1302

8

7

L

6

5

4

3

R

2

1

LOUDSPEAKER
CLICKFIT SOCKET

surround

surround

FUNCTIONAL DIAGRAM CD-PART

DISC

Turntable

motor

a

t

b

n

r

l

e

u

t

Inner sw itch

pick up

unit

slide motor

CD - Drive

CDM 12.1

L

R

Track servo

Focus servo

Slide servo

PHOTO DIODE

ARRAY

ALPC

Track

Focus

D1 D2

D3

Flex pcb

Focus, Track, D1-D3, R1-R3

DISC MOTOR+

DISC MOTOR-

CD INTERFACE BOARD COMBI BOARD

+5V

Laser

7804

7850

7820

Laser
on/off

D1

D2

D3

D4

f

R1

R2

6

6x Inverter

HF - Pre amplifier

PC74HCU04N

DIGITAL
SERVOPROCESSOR

µP Interface

CONTROL

A/D Converter

DSIC2 TDA1301T

7801

MOTOR DRIVER

TDA7073A

7800

MOTOR DRIVER

TDA7073A

Output Stage

CLK

16.9MHz

OTD

V

Low pass

3

4

2

5

3x

SLIDE

FOCUS

f

TRACK

FOCUS

TRACK

SLIDE

R2R1

SLIDE+

SLIDE-

D1

D2

+

D3

D1

V

D2

D3

R1

6x

R2

Low pass

FOCUS+

FOCUS-

TRACK+

TRACK-

RESET

From Signal processor

Motor control

7860

16.93MHz
OSC.

OTD = Off Track Detection (low active)

7862

MOTOR DRIVER

TRAY

M

MOTOR

CAM

M

MOTOR

TDA7073A

SAA7345

SIGNAL PROCESSOR CD6

DIGITAL

PLL

PLL

FRONTEND

TIMING

ACE

INTERF

MICROPROCESSOR

EFM

DEMODULATOR

SRAM

RAM

ADDRESSER

Q-CHANNEL

CRC CHECK

Q-CHANNEL

REGISTER

VERSATILE PINS

INTERFACE

RESET

TRAY MOTOR

POSITION MOTOR

PEAK

DETECT

7690

MOTOR

CONTROL

ERROR

CORRECTOR

FLAGS

SUBCODE

AUDIO

PROCESSOR

EBU

INTERFACE

TA

KILL

INTERFACE

RESET

RESET

I/O PORT

SERIAL DA

RAM TIMING

CPU

I/O PORT ROM

µP used for other functions too

To Motor Driver 7852

CLK

ws

DATA

SERIAL DATA

8MHz Osc.

µP

TMP879971F

SUPPLY

FOR TDA1311

7871 (TDA1311)

DAC

INTERFACE

I/O PORT

D/A

D/A

RESET

ACKN

STROBE

DATA

+10V

CD Left

CD Right

Communication lines

with main µP

RESET

ACKN

STROBE

DATA

3

CONTROL BOARD

1400

POP

... only for FW610/xx
... only for FW620/xx

INCREDIBLE SOUND

... only for FW630/xx
... only for FW650/xx

Only for sets with CD
Shortloader

Brake away

PB of Control

open/close

1499

1

2

0004

connector 1405

TO/FROM CDC-KEY PB

Only for sets with 7 Disc Changer

P11

P01

P03

k0

k1

k2

connector 1505

key matrix

1425

1431

1432

1437

1438

1443

1420

1426

1448

1497

1404

6

5

4

3

2

1

Lout

Rout

Rin

GND-A

B3

POWER

TUNER

MULTI

FLAT

ANALY

C2

C3

A3

1

2

3473

47E

GND

4499

+Fr

V

4424

+Fr

10k

1k

1k

680k

1401

15 sleep

14

reset

13

wakeup

Power-Down

12

GND-D

11

µP-data2

10

+5.6V

9

µP-data1

8

GND-D

7

µP-ackn

6

GND-D

5

µP-strobe

4

-30V

3

F2

2

F1

1

connector 1750

TO/FROM COMBI

2443
47p

47k

4498

2442
47p

4497

2441
47p

4496

2440
47p

3480

3481

3482

3483

5.6V

+5.6V

-27V

-30V

47k

47k

47k

F1

4.8V AC

F2

+Fr

... for ECO4 only

4403

... for TUNER94 only

5.6k

2410
100µ

2

7428

GP1U58X

3

+Fr

4430

4426

4431

1k

1k

1k

... for ECO5 only

... for TUNER95 only

4409

10k

4473

6.8k

1k

1k

1k

1k

10k

4458

... for ECO4 only

1403

... for TUNER94 only

1402

RDS DECODER

SAA6579T

qual

2419

2.2µ

2420
560p

1

dat

2

Vref

3

4

5

Vsa

6

Cin

7

Scout

8

4407

10k

2418
330p

1

2

3

4

5

6

1

2

3

4

5

6

7

8

9

7404

mux

STOP

STEREO

CE

C/DATA

DATA

CL

RDS

N.C.

STOP

N.C.

STEREO

CE

C/DATA

DATA

CL

clk

out

oscillator

Vdd

Vsd

test

mode

TO/FROM TUNER

not for FW650C/22

... for ECO5 only

1410

4

STEREO

3

CLOCK

2

DATA

1

ENABLE

for FW650C/22 only

... for TUNER95 only

1411

1

GND

2

RDS

3

ENABLE

4

DATA

5

CLOCK

6

STEREO

2431
100p

4411

2.2k

16

5412

15

4.332MHz

14

4410
220k

in

13

12

11

10

2421

5403

100n

9

2.2µ

2423

2422

47p

47p

+RDS

DISPLAY & KEY

-30V

2429
10n

330E

330E

330E

1k

MAIN BUS

+Fr

3495

+Fr

3476
10k

2433

B1

B2

B3

321

MATRIX BUS

330E

t_ste

cb_str

cb_ackn

cb_dat1

cb_dat2

47k

eep_clk

eep_dat

3475
10k

2434

2409
10µ

k0

k1

k2

k3

2405

Vol_A

Vol_B

sleep

cb_Nrst

wake

Npd

3484

cb_ackn

3485

3486

3487

1k

1k

1k

1k

cb_dat2

F1

10µ

cb_dat1

cb_str

MAIN BUS

IR EYE

3474

SUPPLY

1k

1

OUT

2449

4.8V

2411

2.2n

Use 2.7k for ECO4 and
TUNER92 only

2452

2453

2451

4460
1k

4428

4427

4425

2450

Only for sets
without RDS

rc5

t_stp

t_ste

t_cen

t_cou

t_dat

t_clk

470p for ECO4 and TU94
180p for ECO5 and TU95

rds_clk

rds_dat

A1

1409

Lin

5414 4.7µ

5

5415 4.7µ

4

5416 4.7µ

3

5417 4.7µ

2

1

2425

10n

B1

T/CLK

CD

DBB

DEMO

C1

ROCK

4436
10k

1424

1430

1433

1436

1439

1442

1421

1427

5405

2.2µ

B2

DIM

TAPE1

TAPE2

JAZZ

DISP

CLASS

4437
10k

1423

1429

1434

1435

1440

1441

1422

1428

C4

1447

4470
470k

4452
330E

4451
330E

A2

6422

1N4148

6423

1N4148

1446

4471
470k

A1

4472
470k

1408

2
3
4
5
6
1

2424

10n

... not for FW610/xx
... not for FW620/xx

6426

1N4148

6410

1N4148

4445
330E

4446
330E

4447
330E

4448
330E

4449
330E

4442
330E

4444
330E

4456
330E

4450
330E

4443
330E

6412

1N4148

6413

1N4148

6414

1N4148

6415

1N4148

6416

1N4148

6409

1N4148

6411

1N4148

6418

1N4148

6424

1N4148

Only for sets
with RDS

P02P04P05P06P07P08P09P10P15P03

DISPLAY & KEY MATRIX BUS

P11P01

k0

k1

k2

k3

F2

+5.6V

6402

1N4148

4.9V

+Fr

2400
100n

... provision only

Only for sets with
Incredible Stereo feature

+Fr

Source

6406

MULTIMEDIA

4467

+RDS

4432
330E

4.7V

A2

A3

2404
10µ

Current limiter

for +Fr and +µP

7429
BC558C

4.9V

LED’s

6407

CD

TUNER

6405

TAPE1

6404

TAPE2

6403

4546

2402
100µ

4491

22k

44

6401
1N4148

2401
22m

Clockbuf

3472

DISPLAY

C1

403938373635343332313029282726252423222120191817161514131211109876

41

BG16

G15

G14

G13

G12

G11

G10

G09

G08

2406

10p

7421

BC847

G16

G11

G10

G12

G13

G14

G15

G16

3406 100E

3405 100E

3404 100E

3403 100E

3402 100E

3401 100E

3400 1k

5401

2.2µ

4489

+Fr

680

fer

t_stp

t_cou

t_cen

t_clk

rds_dat

led_clk

2403

47k

100n

10k

3437

10k

3438

3.3k

3469

1k

3468

10k

3467

RDS only

1k

3465

+Fr

MAIN BUS

7403

PC74HC4094BP

6450

+Fr

4433
330E

Stereo

incredible

SRG8

4

1

5

6

7

14

13

12

11

9

10

16 8

+Fr

EN1

STB

D

Power on reset

15

3

1

2

24351µ2448

Shift register for
LED’s and for
RDS-supply

3499

1M

100p

4404

22k

2446

G09

3407 100E

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

3464 1k

l_dat

+Fr

100p

2447

100p

G07

+4V

-30V

4124

3477

3479

3478

10k

I/O PORT6I/O PORT0

10k

10k

G06

3489
100k

G08

3408 100E

4223

w.PD to VKK

DD

V

Tri-State Open source

3463 1k

eep_clk

led_clk

G05

BG16

3488
22E

G07

3409 100E

4322

3462 1k

eep_dat

led_str

C2

G04

G06

G05

3410 1k

3411 68E

4421

I/O PORT7

I/O POR

3461 220E

vcd_so

led_dat

G03

G02

BG01

2407

10p

7422

BC847

G06

G04

G03

3412 68E

3413 68E

4520

4619

4718

Open Source with

DATA MEMORY

(RAM)

1024 x 8 BIT

16 BIT
TIMER/

COUNTER

Open Drain

T3

3458 2.2k

Vol_B

2412

10µ

3498
100k

C3

+4V

P16

P15

P14

P13

P12

P11

P10

+4V

BG06

3490
22E

3491
100k

-30V

P16

P15

3416 390E

4916

5015

P14

3417 330E

3418 220E

5114

5213

I/O POR

prog.

PROGR MEMOR

(ROM)

48k x 8 BIT

G02

G01

3414 68E

3415 1k

4817

CPU

INTERRUPT

CONTROLLER

CLOCK/TIMING CONTROLLER

(I/O PORT2)

Int3

3457 10k

rds_clk

+Fr

0V

3456 10k

Vol_a

A1

5410

8MHz

2414

22p

MAIN-OSC

POWER ON

RESET CIRCUIT

4.5V

7420
BC847

2413
100n

Xin

GND

3455

Xout

2415

1k

P13

P12

3419 330E

3420 270E

5312

5411

pull down to VKK

Y

RESET

Xin

22p

2416

2444
33n

P11

3421 270E

5510

T8

Xout

A1

5411

22p

32.768k

CLOCK-OSC

P09

P08

P07

P06

2408

+4V

G01

P10

3422 330E

G01

BC847

569

10p

7423

P09

3423 270E

-30V

P08

3424 220E

578

587

(80k)

PROGRAM

COUNTER

COUNTER

6 BIT A/D-

CONVERTER

3493
100k

P07

3425 270E

596

8 BIT

TIMER/

BG01

3492
22E

P06

3426 220E

I/O PORT9

7401

TMP87CP71F

Tri-State

I/O POR

3453 1k

3452 1k

3451 1k

3450 1k

led_dat

led_str

wake

sleep

for sets with RDS only

2417

6.8p

2445

5402

2.2µ

ROTARY
ENCODER

2433, 2434 ... provision only

P05

P04

P03

Display buffers

for Line G01, G06, G16

4.3V

+4V

2426

47µ

GND

P05

P04

3427 390E

3428 150E

605

614

623

T1

Int2

3449 1k

3448 10k

cb_Nrst

rc5

ST24C01CB1

7402

ST24C04CB1

1

RAM

2

3

logic

4

+Fr

C4

nc

nc

nc

P02

P01

5406
100µ

+Fr

P03

P02

P01

3431

330E

3429 220E

3430 390E

632

641

65

KK

V

66

67

3432

68

3433

69

3434

70

3435

71

I/O PORT4

... not for FW610/xx

72

Open Drain w. progr. pull down

... not for FW620/xx

73

74

3439

75

3441 1k

76

3442 1k

77

3443 1k

78

I/O PORT5

3444 1k

79

Open

Drain

80

Int1

3440

3446 1k

1M

Npd

6441

5413

1N4148

2.2µ

2428

100n

3496

3497

1k

1k

2430

100µ

3494

47k

EEPROM

8

7

6

5

1468

4

3

1

2

5

DISPLAY & KEY MATRIX BUS

4432
330E

+Fr

1400

F2

+Fr

+5V

6402

1N4148

2402

100µ

Source

LED’s

6407

CD

6406

TUNER

6405

TAPE1

6404

TAPE2

6403

MULTIMEDIA

A1

A2

A3

4546

2404
10µ

Current limiter

for +Fr and +µP

7429
BC558C

6401
1N4148

44

4491

22k

5401

2.2µ

3472

680

2401
22m

Clockbuffer

not for FW610 and
FW620

+Fr

6450

4433
330E

+RDS

DISPLAY PLATINUM

C1

403938373635343332313029282726252423222120191817161514131211109876

41

BG16

G15

G14

G13

G12

G11

G10

G09

G08

2406

10p

7421

BC847

G16

G16

3400 1k

+Fr

Stereo

incredible

14

13

12

11

10

G14

G15

3402 100E

3401 100E

4489

t_stp

t_cou

t_cen

t_clk

rds_dat

led_clk

7403

PC74HC4094BP

SRG8

4

1

5

6

7

9

16 8

+Fr

G12

G13

3404 100E

3403 100E

47k

3437

3438

3469

3468

3467

3465

15

EN1

3

1

STB

2

D

Shift register used as
port expander for
LED’s and for RDS-supply

G11

G10

3406 100E

3405 100E

2403
100n

10k

10k

3.3k

10k

10k

1k

+Fr

Power on reset

3499

1M

24351µ2448

100p

4404

22k

2446

G09

3407 100E

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

3464 1k

l_dat

+Fr

100p

2447

100p

G07

+4V

-30V

4124

3477

3479

3478

10k

I/O PORT6I/O PORT0

10k

10k

G06

3489
100k

G08

3408 100E

4223

DD

V

3463 1k

eep_clk

led_clk

G05

BG16

3488
22E

G07

3409 100E

4322

3462 1k

eep_dat

led_str

C2

G04

G06

G05

3410 1k

3411 68E

4421

I/O POR

I/O POR

led_dat

G03

G02

BG01

G06

G04

G03

3412 68E

3413 68E

4520

4619

4718

T7

DATA MEMOR

(RAM)

1024 x 8 BIT

16 BIT
TIMER/

COUNTER

T3

3458 2.2k

Vol_B

2412

10µ

3498
100k

C3

+4V

P16

P15

P14

P13

P12

P11

2407

+4V

10p

7422

BC847

+Fr

BG06

3490
22E

3491
100k

-30V

P16

P15

P14

P13

3418 220E

3419 330E

5213

I/O POR

(ROM)

48k x 8 BIT

P12

3420 270E

5312

5411

T8

Y

G02

G01

3414 68E

3415 1k

3416 390E

3417 330E

4817

4916

5015

5114

PROGR MEMOR

Y

CPU

INTERRUPT

CONTROLLER

CLOCK/TIMING CONTROLLER

(I/O PORT2)

Int3

3457 10k

3456 10k

rds_clk

Vol_a

2414

22p

MAIN-OSC

POWER ON

RESET CIRCUIT

2413
100n

A1

5410

8MHz

7420
BC847

Xin

3455

GND

1k

Xout

2415

22p

RESET

2444
33n

Xin

2416

22p

32.768k

CLOCK-OSC

For adjustment of clock
replace 2417 by
4822 126 10508

P10

P09

P08

P07

2408

+4V

10p

7423

3493

BC847

100k

G01

-30V

P11

P10

P09

P08

3421 270E

3422 330E

3423 270E

3424 220E

5510

569

578

587

PROGRAM

COUNTER

TIMER/

COUNTER

6 BIT A/D-

CONVER

7401

TMP87CM71F

Xout

3453 1k

3452 1k

A1

led_dat

led_str

5411

2417

6.8p

5402

2.2µ

P06

P05

BG01

3492
22E

P07

P06

3425 270E

3426 220E

596

605

I/O POR

8 BIT

TER

I/O PORT1

3451 1k

3450 1k

wake

sleep

cb_Nrst

For /22 ST24C01CB1

ST24C01CB1

ST24C04CB1

1

2

3

4

ROTARY
ENCODER

P04

P03

Display buffers

for Line G01, G06, G16

P05

P04

3427 390E

3428 150E

614

623

T9

Int2

3449 1k

3448 10k

rc5

7402

RAM

logic

+Fr

C4

P02

P01

P03

P02

3429 220E

3430 390E

632

641

KK

V

Int1

3446 1k

Npd

8

7

6

5

4

3

5413

2.2µ

3473

47E

GND

470p

4499

+Fr

V

4424

+Fr

10k

1k

1k

680k

1401

15

sleep

14

reset

13

wakeup

12

Power-Down

11

GND-D

10

µP-data2

9

GND-D

8

µP-data1

7

GND-D

6

µP-ackn

5

GND-D

4

µP-strobe

3

-30V

2

F1

1

F2

TO/FROM COMBI connector 1750

2443
47p

47k

4498

2442
47p

4497

2441
47p

4496

2440
47p

3480

3481

3482

3483

+5V

47k

47k

47k

-30V

F1

F2

+Fr

... for ECO4 only

4403

... for TUNER94 only

5.6k

2410
100µ

7428

GP1U58X

+Fr

4431

4473

4430

1k

1k

4426

1k

1k

10k

4458

1k

t_rds

1k

1k

... for ECO5 only

... for TUNER95 only

4409

10k

... for ECO4 only

1403

... for TUNER94 only

1402

RDS DECODER

SAA6579T

qual

2419

2.2µ

2420
560p

1

dat

2

Vref

3

4

5

Vsa

6

Cin

7

Scout

8

t_rds

2454
470p

4407

10k

2418
330p

1

2

3

4

5

6

1

2

3

4

5

6

7

8

9

7404

mux

STOP

STEREO

CE

C/DATA

DATA

CL

RDS

N.C.

STOP

N.C.

STEREO

CE

C/DATA

DATA

CL

clk

out

oscillator

Vdd

Vsd

test

mode

TO/FROM TUNER

... not for /22

... for ECO5 only

1410

4

STEREO

3

CLOCK

2

DATA

1

ENABLE

... for /22 only

... for TUNER95 only

1411

1

GND

2

RDS

3

ENABLE

4

DATA

5

CLOCK

6

STEREO

2431
100p

4411

2.2k

16

5412

15

4.332M

14

4410
220k

in

13

12

11

10

2421

5403

100n

9

2.2µ

2423

2422

47p

47p

+RDS

B1

B2

B3

321

3495

2405

10µ

5406

2426

47µ

t_ste

cb_str

cb_ackn

cb_dat1

cb_dat2

eep_clk

eep_dat

3475
10k

2409
10µ

k0

k1

k2

k3

100µ

MAIN BUS

rc5

t_stp

t_ste

t_cen

t_cou

t_dat

t_clk

rds_clk

rds_dat

Vol_A

Vol_B

+4V

2429
10n

330E

330E

330E

330E

1k

+Fr

47k

+Fr

3476
10k

nc

nc

nc

P01

3431

330E

-30V

65

66

67

3432

68

3433

69

3434

70

3435

71

I/O PORT4

72

73

74

3439

75

3441 1k

76

3442 1k

77

3443 1k

78

I/O PORT5

3444 1k

79

80

3440

1M

6441

1N4148

2430

2428

100µ

100n

3494

47k

3496

1k

3497

1k

1468

1

2

5

sleep

cb_Nrst

wake

Npd

cb_dat2

F1

cb_dat1

cb_ackn

+Fr

cb_str

IR EYE

3474

1k

2411

2.2n

Use 2.7k for ECO4 and TUNER94
Use 6.8k for ECO5 and TUNER95

2449

470p

2452

470p

2453

only for
seen

470p

OUT

2451

470p

4460
1k

... not for /22

3484

1k

3485

1k

3486

1k

3487

1k

SUPPLY

4428

4427

4425

2450

CONTROL BOARD

4

For CD Short Loader
versions only

Brake away

PB of Control

open/close

1499

1

2

0004

For CD Changer versions only

connector 1405

TO/FROM CDC-KEY PB

TO/FROM COMBI-PB

1404

P11

P01

P03

k0

k1

k2

connector 1505

key matrix

1425

1431

1432

1437

1438

1443

1420

1426

1448

1497

6

5

4

3

2

1

Lout

Rout

Rin

GND-A

B3

POWER

TUNER

MULTI

FLAT

ANALY

C2

C3

A3

1

2

1409

5

Lin

4

3

2

1

5405

2.2µ

1424

B2

1430

DIM

1433

TAPE1

1436

TAPE2

1439

JAZZ

1442

DISP

1421

CLASS

1427

C4

1447

A2

6422

4452

1N4148

330E

6423

4451

1N4148

330E

4470
470k

4437
10k

1423

1429

1434

1435

1440

1441

1422

1428

1446

4471
470k

2425

10n

B1

T/CLK

CD

DBB

DEMO

C1

ROCK

(POP)

INCRED.

SOUND

A1

4436
10k

4472
470k

1408

2
3
4
5
6
1

2424

10n

not for FW610 and
FW620

6426

1N4148

6410

1N4148

4445
330E

4446
330E

4447
330E

4448
330E

4449
330E

k3

4442
330E

4444
330E

4456
330E

4450
330E

4443
330E

6412

1N4148

6413

1N4148

6414

1N4148

6415

1N4148

6416

1N4148

6409

1N4148

6411

1N4148

6418

1N4148

6424

1N4148

P02P04P05P06P07P08P09P10P15P03

P11P01

k0

k1

k2

k3

DW_SE5/2003

CD-INTERFACE BOARD

FUNCTIONAL DIAGRAM

CDC7 Module

DISC

Turntable

slide motor

CD - Drive

CDM 12.1

motor

a

t

b

n

r

l

e

u

t

Inner sw itch

pick up

unit

Track servo

Focus servo

Slide servo

PHOTO DIODE

ARRAY

ALPC

Track

Focus

D1 D2

R2R1

D3

Flex pcb

Focus, Track, D1-D3, R1, R2

SLIDE+

DISC MOTOR+

DISC MOTOR-

HF-PREAMPLIFIER

2811

3816

150p

3829

120k

2817
27p

3824

3

1k

3809 3.3M

13 12

MC74HCU04N

3822

56k

3823

120k

3828

1k

2825
47µ

Track

47k

1

F

7804

+5V

4.9V

16

15

14

2

During focus search

±2V

1s

ALPC

Track

Focus

2816
82p

2815
82p

2814
150p

1801

12

11

10

9

8

7

6

5

4

3

2

1

T350

T351

T352

T353

T354

T355

T356

T357

T358

T359

T360

T361

13

12

11

2

CDM12.1

Focus

10

9

CD-MECHANISM

16

15

-

SLEDGE

M

+

-

DISC

M

+

Innerswitch

6

5

4

3

2

1

1802

4

T362

T363

T364

T365

Sledge

Disc

14

13

12

11

10

9

CD INTERFACE BOARD COMBI BOARD

+5V

Laser

7804

7850

7820

Laser
on/off

D1

D2

D3

D4

f

R1

R2

6

6x Inverter

HF - Pre amplifier

PC74HCU04N

DIGITAL
SERVOPROCESSOR

µP Interface

CONTROL

A/D Converter

DSIC2 TDA1301T

7801

MOTOR DRIVER

TDA7073A

7800

MOTOR DRIVER

TDA7073A

Output Stage

CLK

16.9MHz

OTD

V

Low pass

3

4

2

5

3x

SLIDE

FOCUS

f

TRACK

FOCUS

TRACK

SLIDE

From Signal processor

Motor control

SLIDE-

D1

D2

+

D3

D1

V

D2

D3

R1

R2

6x

Low pass

FOCUS+

FOCUS-

TRACK+

TRACK-

3814 10k

MC74HCU04N

2810

47p

11 10

3817

6.8k

2804

2803

180p

180p

7801

TDA7073A

+

-

VDD

-

+

+

-

VDD

-

+

7800

TDA7073A

RESET

7804

1

E

2802

330p

3813 10k

7804

MC74HCU04N

2809

3826 22k

1 2

MC74HCU04N

2801

1.5n

-

1

+

2

3

47p

1

A

7804

1.9V

1.9V

T386

9 8

2800

560p

1

D

3827

4

5

1.9V

6

+

1.9V

7

-

8

3838

220

1.9V

3835

220

-

1.9V

1

+

1.9V

2

T387

3

4

5

0.1V

6

+

0.1V

7

-

8

1

16.93MHz
OSC.

OTD = Off Track Detection (low active)

7862

MOTOR DRIVER

TRAY

M

MOTOR

CAM

M

MOTOR

TDA7073A

3815

3825

3.3k

18k

3.3k

3 4

MC74HCU04N

2806
560p

3806

6.8k

2824

47µ

3805

6.8k

2805
560p

2819
10n

3830

6.8k

2822

47µ

2823

2.2µ

38081k3807

1k

1

B

7804

3820

1.2k

3836

4E6 PTC

3839

3821

1.2k

3831
1k

3837

3819

3.3k

2812

5.6n

!

12.0V

!

3.3

2813

5.6n

+3.8V

3.8V

3833

1k

T385

3832

3.3

2826

1k

47µ

2820
100n

12.0V

!

7860

SAA7345

SIGNAL PROCESSOR CD6

DIGITAL

PLL

PLL

FRONTEND

TIMING

ACE

INTERF

MICROPROCESSOR

EFM

DEMODULATOR

SRAM

RAM

ADDRESSER

Q-CHANNEL

CRC CHECK

Q-CHANNEL

REGISTER

VERSATILE PINS

INTERFACE

RESET

TRAY MOTOR

POSITION MOTOR

+12V

+12V

2818
47p

3818

3.3k

+5V

4.9V

3812

3.3k

2808

15p

1

5 6

C

7804

MC74HCU04N

MOTOR

CONTROL

ERROR

CORRECTOR

FLAGS

SUBCODE

AUDIO

PROCESSOR

PEAK

DETECT

KILL

RESET

RESET

7690

I/O PORT

I/O PORT ROM

2.1V

T383

3810

820

2821
470n

9899 9898

+2.1V

PC74HCU04N

14

F ED

A BC

1

1

+3.8V

5888

47µ

2827
100n

5889

47µ

+5V

4.9V

EBU

INTERFACE

CLK

ws

DATA

INTERFACE

SERIAL DATA

RAM TIMING

CPU

TMP879971F

µP used for other functions too

eye-pattern

3.8V

T388

T375

T381

T380

T379

T378

T377

T376

T374

T373

T372

T371

T370

T369

T368

T366

+12V

12V

To Motor Driver 7852

SERIAL DATA

8MHz Osc.

I/O PORT

µP

1800

19

18

17

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

T367

V

SUPPLY

FOR TDA1311

7871 (TDA1311)

DAC

D/A

ACE

D/A

INTERF

8

7

>800mVpp

TB=0.5µs/DIV

+3.8

HF-out

GND-A

D1

D2

D3/D4

R2

R1

T382

Laser on/off

1804

3

2

1

Track-servo

Focus-servo

Slide-servo

... for FW610/xx only
... for FW630/xx only

MOT-2

MOT-1

Innerswitch

GND-D

+12

+5

to/from COMBI BOARD

(connector 1825)

ALPC ... automatic laser power control

DC VOLTAGES MEASURED IN

PLAY MODE 1kHz 0dB LEVEL

EVM

+10V

CD Left

CD Right

Communication lines

with main µP

RESET

ACKN

STROBE

DATA

1803

SPPB62

RESET

ACKN

STROBE

DATA

TUNER MINI 94

+12V

+12V

VCC

+12V

BC558C

+12V

456kHz

+12V

VCC

+12V

VCC

FM - DETECTOR

+12V

VCC

FM-IF

FM - FRONTEND

+FM

!

3101

+12V

VCC

VCC

5105

3121

2113

+12V

3102

4E7

CROSSTALK

2115

0.47µ

7104

VCC

5104

2.7k

56p

220k

3123

2116

+FM

RDS

STSIG

MUTE

STEREO

CLOCK

DATA

COUNTER

LEFT

GND

RIGHT

4

1117

2

3

3120

22E

!

4

2.2µ

2119

2120

2.2µ

+12V

+VCC

2132

2210

2112

100µ

22n

470p

+V

1

JST

3173

22k

3172

+FM

4.7k

7107

BC848B

3163

3170

10k

3171

7106

0V

2111

BC327-40

AM FM

0

V

3197

0E

6101

BZX79/

2152

2151

3190

1µ

1.8n

C4V7

47E

+12V

3162

270E

!

+5

+5V

+V

+12V

10k

22k

220n

11

10

9

8

7

1112

1112

3

8

7

3

5

LOW=VALID SIGNAL

MUTE=LOW

STEREO=LOW

3229

0E

CE

4

5

6

8-FOLD JST

4

5

6

6-FOLD JST

0V=No communication

0

V

Dunng communication

3

3128

4.7k

3130

AF-R

DECODER

0°

FF

19 kHz

FF

90°

19 kHz

FF

38 kHz

AM In

2

2.2V

2SC1047

3115

0E

3200

82E

3106

10.7MHz

if

F

o

F

a

F

ANT.

15

STEREO

FM

22n

2110

3116

4E7

390E

Out

Osc

1.8k

2118

8.2n

SWITCH

TRIG

7103

FM

DET

DET

LEVEL

RF

AM

27

8

+5V

ALC

indication

LED

LA1851N

C

3135

3233

1k

5

Varicap

oaif

F=F+F

4

+5

AM

OSC

AM Osc.

Tuning

DRIVE

MUTE

COMP

IF Out

AGC

AM

DET

V

REG

ref

V

28

2.3V

0E

AFC

AM Osc.

Stereo

AM

3139

0E

Out

indication

AM/FM

FM Det.

FM

AM

Stop Det.

AGC

AM Det.

2104

29 30

21

22171889

61619

2554

220n

+12V

1V

5V

3.6V

2.2V

2.2V

1.8V

2V

+12V

+3.7V

+V

+VCC

3105

7125

BC558B

2188

2215

3238

0V

ANTI BIRDY

10k

3132

10k

3129

1

2

5.6k

0E

3235

FILTER

3223

3239

22n

470p

5106

470k

12k

2129

270k

6110

1µ

2131

7

1N4148

3199

3196

10µ

4.7µ

2123

2221

470p

2124

3134

2121

470E

0E

5.6k

220µ

4.7µ

2127

2128

330p

560p

7158

BC858B

15n

2135

10n

2125

+12V

+12V

SEARCH

LEVEL

22k

3125

mono stereo

0

V

TO 3198

VCO-KILL

0E

3168

AM FM

0

V

3126

9

Out0

+5

20

+5V

VDD

REF

DIVIDER

2nd stop 1nd stop

0

V

12k

11

12

Out1

10

PHASE

DETECT

Out2

Out3

Out4

DIVIDER

13

14

Out5

LATCH

REGISTER

SHIFT

COUNTER

Out6

1k

1k

3165

3166

3225

4

3

17

Data In

Clock In

COUNTER

UNIVERSAL

2133

220p

+V

+12V

VSS

...V FM

23

1k

1k

3167

2153

470p

5

2

CE

Data Out

...V AM

2150

22n

FM signal

Not for FW330/22 (03970)

DW_SE6/2003

AM signal

1/2

7105

LC7218

PD1

21

7.2 Mhz

4.7k

3158

7108

BC548C

LOOPFILTER

6

+V

!

15k

3156

3155

220E

2156

47µ

0E

3202

2161

+V

3138

!

150E

220n

3145

5114

2162

270E

7115

BF245B

Xout

Xin

1

24

5112

7.2 Mhz

2154

15p

2155

18p

2158

4.7n

4.7k

3157

7109

BC548C

22n

3147

3144

6

2

1149

5108

5.6k

6102

330E

3143

5107

1

2145

510p

5

3

1

HN1V02H

820E

5

2

-SOCKET

AM-FRAME-

2159

1

1.5µ

260

AM in

AM-OSC

4.7n

3148

100k

2

10p

2141

3

1

18

2144

2147

220n

FM in

H Ctr.

16

19

FM-OSC

2148

47p

10n

22n

3107

2105

4

2149

0E

22n

2196

10p

2146

430p

7110

BC338-40

B

3140

820E

L Ctr.

15

7112

AM - OSC

+12V

+12V

In 1

3164

2142

30p

2SC1047

3141

+V

+V

3240

3241

8

47k

3149

1.8k

0E

In 0

7

3159

100k

100k

3160

LW

3152

10k

+12V

+VCC

4.7k

+V

+12V

V

5109

2

3

4

2143

100p

7114

1.8k

4.7k

3142

3150

560E

MW LW

0V

1

6

2140

30p

BC338-40

7111

BC848B

7113

3151

4.7k

BC548C

3127

1.8k

4.7k

3137

2117

8.2n

3131

4.7k

14

23

VCO- KILL

5110

VCC

+

0V

9V

FROM

pin14-7105

4.7k

9V

0V

11V

12V

2.2V

2108

!

3118

Crosstalk

12

11

Phase Det.

Mono/Stereo

10

VCO

13

FM Det.

7

AM IF Out

26

AM IF In

3 24

VCC

22n

220E

AF-L

PD

PILOT

VCO

AM

IF

AM

FM IF In

5113

3117

3114

22n

2109

DET

MIX

BUF

IF

10.7 Mhz

330E

3.3k

2.2V

5103

IF

FM

1

7116

9116

9117

10.7 Mhz

100n

3124

10k

10k

3198

9146

22k

3194

2114

22µ

5111

5.6k

3122

AM-IF

+12V

!

3113

220E

7

IF Out

1101

2102

470p

3104

150k

AGC

2101

470p

VCC

6 3

Ant

2103

47µ

1

1110

A

FM

AM-FRONTEND

5

TUNER BOARD ECO5 / Systems

FM

300 OHM

A

y

1101

2

1

FM 5OHM

AM FRAME

AERIAL

B

1102

2

1103

2

1

T001

x

T002

1

T003

6103

1N4148

MW/LW-RF

T005

T006

LW

P0

3109

4.7k

6104

w

1N4148

3108

2.2k

y

9128

Service Solution for

Local/DX -switching

remove

9100

2105
100p

10k

3106

9114

4155

4156

9119

P0

w

w

2108

100p

w

7105
BC338

6101

BA484

7104
BC338

2109
10p

AM-IF1

5111

4

T046

z

5113

SFU450B

6

T044

0.15V

44

AM Det.

AGC

Ripple

LPF

12

0.8V

2132
470n

w

2128

Frontend

FM

OSC

Charge

Pump

0.1V

6

5

w

10µ

0.7V

43

FM

V

STAB

STABILIZER

MUTE

13

0.7V

3

4106

3134
220k

x

4105

RF-GND

FM In

AM IF

Frontend

A

2133

1µ

u

2160

3104
180R

AM

Pre­scaler

V

STEREO

DECODER

left

0.7V

22n

42

7101

14

2104
100p

2101
100p

3105

u

4102

Vdd

2107
470n

3110

47

3123

4.7k

3102
100k

MW

u

4101

w

220

3101

2102
10n

HN1V02H

1

2106
3-11p
w_4-20p

Vdd

5.6k
t_1k

6105

7109
BC858B

printed

9101

MW

5102

5103

6

5
3

4

w

3

2

1

w

3125

10k

P0

2

w

1

4

w

6

C

T009

FM - RF

6131

2154

1SV228

4.7p

6130

1SV228

t_10n

2152 560p

FM-OSCILLATOR

1

2

7

w

w

3128

2.2k

Q-MULTIPLIER

7102

2SA838B

5131

x

2155
3-11p

2153 12p

7122
BC848C

3132
47R

5

T011

REF

printed

5130

4108

w

3103
18k
t_10k

1n

2103

2159
33p

VCO

2126
330p

AM-OSCILLA

9117

to 3103

REF

Vcc1

3142
100k

u

2129

100µ

2165
100n

4103

5123 MW

4

6

5122

4

6

3141

56k

T043

T040

T012

2127
220n

TOR

w

LW

2.1V

1.3V

0.7V

1.2V

3

2

1

3

2

1

0V

0V

0V

0V

8V

1V

2131
470n

2158

10p_w

1

2

3

4

5

6

7

8

9

10

11

0.7V

Ripple

AM-RF

FM-RF

RF-GND

FM-OSC.

AM-OSC.

Vcc1

Vcc2

I-TUNE

VCO

AF-Out

MPX-IN

R3145

2.2k

HN1V02H

2123

390p

AGC

CONTROL

6105

2120
22p w_27p

2125
560p

2122

3.3n

AM

OSC

STAB

B

7124

BC848C

1.4V

0.7V

T013

1.4V

41

40

AM

Mixout

AM-IF1 In

AM

MIXER

AGC

Multi­plexer

AGC

Vdd

TEA5757

z_TEA5759

PILOT

FILTER

right

15

16

1V

2138

2.2µ

w

w

3137

22k

MIXER

T/

/T

Mono/
Stereo

IF GND

4104

1V

FM

FM

P0

2

39

Mixout

17

FM-IF

5109

1.4V

38

V

STAB

AM

IF

AM

DET

FM

DET

FM-Demod.

18

1V

5120

DISCRIMINATOR

6105

1

2

3

4

HN1V02H

3

450kHz

1

A

CDA10.7

0.7V

FM-IF1 In

FM
IF1

FM
IF2

AFC-

1.2V

T041

37

AFC

19

2140

470n

8

7

6

5

2150
100n

1.4V

36

AM-IF2

AGC

AFC+

20

1.2V

T042

2

Chip jumper

3

4

AM-IF2

5112

450kHz

2141

E

T014

0.7V

35

FM-IF2

CONTROL

Fieldstrength Indic.

21

2V

T016

100n

XTAL
OSC.

FM-IF

5110

1.4V

V

STAB

Vcc2

11V

T017

34

B

22

2142
100n

1

FM-IF2

AM-AFC

P1

P0

Write

Enable

DATA

CLOCK

Dig.GND

Mono/
Stereo

Vdd

3171
330R

33

32

31

30

29

28

27

26

25

24

23

2

0.7V

1.4V

1.3V

stereo 0.3V
mono 4.9V

8V

T015

T037

T032

2146
220p

5121

75kHz

Vdd
Vcc1

Vdd

3169

150k

8V

8V

6

AM-IF

z

3175

4.7k

T047

2149
22n

x

2161
100n

x

2163
100n

2147
220p

2167

12p

2166

1n

2145
220p

3155

T018

z_100

2144

1µ

T045

2143
220n

Signal path

FM
AM

41...

t... for Japanese version (/06/26) only
u... for 2-band (FM/AM) version only
v... for SW-version 3.9-12.1MHz only
w... for LW only
x... not for all versions
y... for USA version (/17/37) only
z... for AM-STEREO (/06/13/26/33) versions only

MPX (Audio Frequency)
AF-left/right

to 1130, 1131
AM Stereo module

5114

3

1

P1

P0

2148

22n

P1

6120

1N4148

470

6107

BZX79-C11

3146
22R

2136

15n_y22n

VERSION PROGRAMMING COMPONENTS

/00 FM/MW/LW
/00 FM/MW/L
/01 FM/MW-Stereo
/01 FM/MW
/01 FM/MW/SW-Ov
/06 FM-Japan/MW-Stereo
/13 FM/MW-Stereo
/14 FM-OIRT/MW/LW
/17 FM/MW-Stereo
/17 FM/MW
/.. FM/MW/2xSW
/15 FM/MW/SW-Eu

AM-AFC

450kHz

Programmable
Output Ports

3161

3160

3159

3170

3157

100k

100k

3156
100k

7111

BC848C

version

detection

3167

220

2130
22n

3154

150

z

3177
10k

2137

220n

2134

15n_y22n

Voltages measured while set is tuned to a strong

W/SW-Eu

x = component mounted
SW = Software initialisation

470

470

T022

470

3158

x

T020

T021

T023

470

2135

220n

stereo 0.5V
mono 4.9V

470

3152

x

0.3V

0.2V

T024

T025

T026

T027

3153
470

Low=AM mono

PO

P1

AM-IF

V

EVM

6120 3156 3157 3170 remark

x

-

-

-

-

-

-

-

x

-

x

-

-

-

-

-

-

x

x

-

x

-

-

-

-

x

-

x
x

-

-

­x

­x

x

5V

150kHz, 50mVpp

0V

stereo mono stereo

7111

-

not

mounted

-

-

SW

x

­x

-

SW

x

SW

­x
x
x

1126

1

enable

2

data

3

clock

4

stereo

1

2

3

(11-14V)

4

typ. 12V

T030

1

T031

2

3

4

T033

5

T034

6

T035

7

T036

8

9

10

T038

11

T039

Vdc FM mode stereo

V

Vdc MW mode

V

Vdc LW mode

transmitter

1124

1130
1131

left

GND
right

Vcc

z
z

V+

stereo

STSIG

VCO-kill

R-out

L-out

L-FM

R-FM

+FM

GND

AM-IF

3

4

to/from

CONTROL BOARD

to/from

COMBI BOARD/

Source Selector part

to/from

AM-stereo module

+12V

COMBI AF-PART

5863

6

100µH

+KARAOKE

+KARAOKE to

1834 pin 16
1830 pin 16
1835 pin 9
4555

1560

9589

3563
10k

3564
10k

3

2

S A

1

9590

0004

3593

2559

10n

2

3

REF_SOUND

3505
100k

4.5V

4.5V

A

8.9V

12

470R

L-EQU

3575

2579
1µ

3547

270k

4.5V

4.5V

7507

1

3531

3.3k

4.5V

120k

+9V

8

9.0V

­+

4.5V

MUTE

INPUT MONO

INPUT B LEFT

INPUT C LEFT

SOURCE SELECTOR

INPUT B RIGHT

RIPPLE IN

INPUT C RIGHT

RIPPLE IN

21

4.5V

8.9V

4.5V

4.5V

47µ

3532

4

2560

REF_SOUND

120k

6

­+

5

A

1k

REF_SOUND to

3505
3506

3506
100k

4.5V

4.5V

R-EQU

2561

47µ

REF_SOUND

3

2

1

1559

2501

8.2n

3501

4.5V

4.5V

11

10

INPUT D LEFT

LINEAR OUT LLINEAR OUT R

INPUT D RIGHT

23

22

4.5V

4.5V

A

3594 470R

AUX-L

AUX-R

A A

3507

4.7k

2517 0.47µ

5.6k

F 4581

2507

A

22k

3503 2.2k

2503

0.47µ

A

VOLUME1

270n

6551 BAV99

1

2537 100p

6553 BA

2

A

2502

0.22µ

4.5V84.5V74.5V64.5V54.5V44.5V34.5V

9

LOUND.

LEFT

BASS

LEFT

3533

5.6k

2511

330n

2

3

V99

1

3

TREBLE

LOGIC CONTROL

VOLUME1

LOUND.

RIGHT

24

4.5V254.5V264.5V274.5V284.5V294.5V304.5V

2504

0.47µ

3502
22k

2502

8.2n

2538

3504 2.2k

100p

A

A

3508

4.7k

2506

0.22µ

2508

270n

BASS

RIGHT

6552

BAV99

1

6554

BAV99

2

2518
470n

A A

TREBLE

RIGHT

2

3

+12V

1

3

2512

330n

3534

5.6k

A

2513

5.6n

LEFT

2514

5.6n

A

12.0V

3523

4.7k

2552
100µ

A A

3543
1k

Front

Front

7505

BC848C

+12V

3577

1k

Rear

VOLUME2

LEFT

VOLUME2

RIGHT

Rear

31

3544

1k

9.0V

9.7V

2521

220µ

3524
22k

3515

18k

3529

39k

2581
100p

2583

33n

3595
330k

A

HPREF

2541
47µ

HPREF to:

3515 3516

A

3585 3586
3595 3596

A

3596
330k

8.2V

2584

33n

2582
100p

3530

39k

3516

18k

3509

10k

3573

10k

2543

0.47µ

2544

0.47µ

3574

10k

3510

10k

3589

3590

HPREF

2515

33n

3585
330k

HPREF

+9V

1k

10k

A

HPREF

3586
330k

2516

33n

HPREF

3541

1k

12.0V

2509
220µ

A

4.9V

2

1

2

IC

VCC

32

3578

0.2V

9.0V

+9V to

+9V

3535

4.7k

A

IIC-SCL

1k

3589
7507

+TR1

10.0V

A

7553 TEA6321

3536

4.7k

IIC-SDA

3551

5.6k

2523

3555
560k

3553
470k

A

2529

0.47µ

2524
33n

33n

3552

5.6k

560k

3556

3554
470k

A

2530

0.47µ

+TR1

3565

2527

10k

100n

2525

3.3n

7513

3591

5.6k

2531

1.8n

3557
10k

A

3597

5.6k

BC848C

3583

5.6k

INCREDIBLE

SOUND

+TR1

3566

2528

10k

100n

2526

3.3n

7514

3592

5.6k

2532

1.8n

3558
10k

A

3598

5.6k

BC848C

3584

5.6k

3567

5.6k

3621

4.7k

3568

5.6k

3622

4.7k

7515

BC848C

A

7516

BC848C

A

3623

22k

3624

22k

3625

3626

+TR1

10k

A

+TR1

10k

A

L-EQU

L-REC

L-IN

TAPE-L

CD-L

AUX-L

CD-R

AUX-R

TAPE-R

R-IN

R-REC

R-EQU

AUXILARY

3559

3.3k

2557

0.22µ

1553

from/to

TUNER

2558

0.22µ

3560

3.3k

1

2

3

4

0.22µ

3527

1k

0.22µ

2555

2556

S

5501

100µH

L

R

A

2844

0.47µ

2843

0.47µ

2

1

3

459
NEQ

4599
NK

3528

1k

4597
NK

4595
NEQ

S

6

+12V

3569

33k

S

3570

33k

100k for VCD

NJM4560M

2563

47p

2564

47p

2535

10p

NJM4560M

3511 33k

100k for VCD

4.5V

16 15 14 13

INPUT A LEFT

INPUT A RIGHT

17 18 19 20

3512

33k

4.5V

2580

1µ

3576

2536 10p

3548

270k

7

4.5V

7507

+µP +KARAOKE

8.2V

8.2V

2585
100p

2

3

3572
220k

3549
220k

3513
150k

2533 10p

A

­+

7501

NJM4556AM

2539

33n

2553

2.2n

7502

BC848C

A

A

8.2V

4

1

BC817-40

3521

1k

-30V

3500

4.7M

-8.4V

7504
BC817-40

!

2588
100n

A

P

7

8.2V

3580

33

2586
100p

5

6

8.2V

NJM4556AM

2534 10p

+16V

+

-

7501

3514
150k

17.6V

4

-8.4V

2589
100µ

3522
1k

2574
100p

3520

100

5.7V

A

3517

100

7503

4555

0.6V

4.7k

3539

2.2M

2540

22n

3538

470k

3537

470k

2733

0.47µ

2734

0.47µ

R-REC

L-REC

+µP

3519

47

2519

47µ

0V

2573
100p

A

A

4.9V

-8.4V

3540
100

BC858C

4.9V

7512

3545 100k

2550
1µ

MUTE

1505

5

4

3

0V

A

2520
47µ

A

3518

47

2

1

PHONES

A

+12V to

0005 (pin2)
1551 (pin5)

1833 (pin4) 1830 (pin16)
1835 (pin6) 1834 (pin16)
3523
4555
5501
7506
7505

AUDIO-BUS

REC-L

REC-R

TAPE-L

TAPE-R

CD-L

CD-R

STBY-AMP

IIC-SDA

IIC-SCL

MUTE

MIC-SENSE

KEY-SENSE

VOCAL-C

KEY-DATA

VOCAL-B

KEY-CLOCK

VOCAL-A

KEY-STROBE

KEY-ON

CLIPPING

NTC

STBY

PWI

To 3540 7512

3572

+5.6V to
6501 7856

+5.6V

+16V

To 7501

+12V

STBY-AMP

R-AUDIO

L-AUDIO

PWI

-30V

F1

F2

STBY

CLIPPING

NTC

REC-L

REC-R

TAPE-L

TAPE-R

CD-L

CD-R

S-ANALYZER

STBY-AMP

IIC-SDA

IIC-SCL

MUTE

MIC-SENSE

KEY-SENSE

VOCAL-C

KEY-DATA

VOCAL-B

KEY-CLOCK

VOCAL-A

KEY-STROBE

KEY-ON

CLIPPING

NTC

STBY

PWI

+µP

1833

9

8

D

7

6

P

5

4

3

2

A

1

1829

7

6

5

4

3

2

1

To/From

TAPE SIGNAL Part

From CD
Part

+5.6V

GND-DIG

+16V

GND-POW

+12V

STBY AMP

R-AUDIO

GND-ANA

L-AUDIO

PWR-DOWN

-30V

4.5V AC

4.5V AC

STBY

CLIPPING

NTC

TO/FROM TAPE LOGIC / MUP Part

TO/FROM POWER BOARD

Used Abbreviations:

NK no
NEQ no
VCD V

Karaoke

Equalizer

ideo CD

R-REC

R-IN

R-REC

R-IN

A

L-REC

GND-A

L-IN

L-IN

L-REC

MIC-SENSE

VOCAL-C

KEY-DATA

VOCAL-C

MIC-SENSE

VOCLA-B

VOCAL-B

KEY-DATA

KEY-CLOCK

KEY-CLOCK

+KARAOKE

R-EQU

1830

1716151413121110987654321

+12V

VOCAL-A

KEY-STROBE

VOCAL-A

KEY-STROBE

D

KEY-SENSE

GND-DIG

TO/FROM KARAOKE BOARD (if avilable)

KEY-ON

KEY-ON

KEY-SENSE

DC-voltages measured in

EVM

V

Tuner FM Stereo

DW_SE6/2003

COMBI TAPE SIGNAL PART

13

PLAY BACK

DECK A

R

L

LOGIC-DECK

REC/PB

DECK

L

R

Erase

Head

3783

4.7k

3782

4.7k

2786
100p

-8V

3
2
1

8

7

6

5

4

3

2

1

1730

1720

7785

J111

1N4148

P

6773

6772
1N4148

3781

4.7M

T166

T165

T164

T163

T162

T161

A

BIAS

A

T168

A

3780

1M

6778

1N4148

2783
100n

2784
22n

A

A

BIAS

A

T169

T167

BIAS

3784

CONNECTOR

BIAS

SYMM.

3

1

15k

A

BC856B

33.6V

A

TEST

3785
100k

2

7786
J111

7784

A

BC328-40

5701

3

2

1

1712

TEST
CONNECT

OR

3704

220

3735

27k

3733

220

6774

1N4148

2787
33n

+12V

8.2

7.9V

REC-R

3736

A

27k

3738

4.7k

3734
220

2706

A

100p

3737

4.7k

2701
100p

STOP
Pb deck A
Pb deck B

REC (line in)
Dubbing

3788

REC

2752

22n

2705
100p

3703
220R

A

A

A

10 9 7

1M

P

2703
100p

7710
HEF4952BT

0
0
0
0
1
1
1
1

REC-L

A

3701

220R

1711

3779
330k

12

ERASE OSCILLATOR

12.0V

7787
BC858C

10.9V

3770

1.5k

3.3V

2782

6.8n

3777

150

3776

6.8k

2785
10µ

2781

P

10n

3702

220

0V0V

A

A

3778

!

11.5V

7782

4

5

6

MT

P

A

2

2

+12V

P

2702
100p

2704
100p

A

A

1

0
0
1
1
0
0
1
1

A

1

6775

1N4148

3787

1M

3771

1k

1.3V

A

A

7783
BC848C

SELECTOR IC

0V

0V

0V

0V

0V

S

S

0

0

1

1

0
1

1
0
1

1

1

0
1

1
0
1

S

1

0

0

S

3762

820

3.8V

LEVEL

P

7.9V

0.9V

P

S3a

5

S2a

S1a

3

S0a

1

HEF4952BT

HEF4952BT

16

S0b

14

S1b

S2b

S3b

12

V

EE

V

DD

SS

V

S

S

2

3

1
1

1
1

1

1
1

2

S

3

S

1A0

1A1

3774

22k

3773

10k

2

1

3

BIAS

P

7781
BC848C

3775
22

13

S

S

7710

7710

4

8

4

1
1
1
1

4

3772

S4a

S4b

+CMOS

A

2735
100n

P

T170

18k

2780

4.7µ

P

6

2

15

11

-8V

A

6776

1N4148

6777

To: 3781

7710

REC-LEVEL-R

A

DD

10k

3690

2691

4.7µ

DD

On/Off

4.9V

0V

Pb/_REC

DD

3691
10k

2A2

DD

3659

33k

7730
7740

-8V

3656

DD

10k

TAPE-R

3654
1k

A

DD

2638
680n

Line Out R

Time Const. R

6.0V

0.4V

SIDE

CHAIN

SIDE

CHAIN

6.0V

0.4V

Line OUT L

Time Const. L

DD

2637
680n

T174

A

DD

3653
1k

TAPE-L

Vref

3655

REC-LEVEL-L

BZX79-C8V2

DET.

DET.

10k

Vref

9798

N

2722
33n

3726

220k

A

2708

2723
180p

3761

A

3769

4.7M

470p

A

2707

470p

LEFT

CHANNEL

A

A

10k

2760
100n

2724
180p

2728 560p

3724

12k

3766

4.7M

2763

47µ

3706

220

100

3708

2716
220µ

3710
10

A

3705

220

2709
100p

3707

100

+12V

2715
220µ

3709
10

3723

12k

4799

N

2725
220p

A

2727
560p

3725

220k

2721
33n

A

0V

2710

1.2V

0V

10

11

1.2V

3764

470

3711

180k

0V

0V

+CMOS

To 7710

7730
7740

2726
220p

0V

0V

0V

0V

8V2

CR

+12V

3789
22k

11.9V

P

7780
BC848C

3786

2.2k

0V

1

0V

3

0V

5

0V

ALC DELAY

1

/

2

7

+

AN7318S

330p

6

_

12

8.4V

3739
120

1

/

2

+

AN7318S

_

16

A

12

0V

14

16

REC

7730

HEF4952BT

S0a

S1a

S2a

S4a

S3a

3765

47k

7720

0V

A

8

2

4

4.8V

3

5

ALC

1.8V
0V

3763

3712

180k

180k

REC/Pb-AMPLIFIER

A

2785
47µ

7720

9.1V

A

9

15

4.6V

13

14

1

ALC

0V

A

9.2V

2761
220µ

S3b

S4b

S2b

S1b

S0b

7730

HEF4952BT

REC.EQUALISATION
MUTE

2

0V

A

11

0V

15

6

2720

18n

A

2711
100p

3721

5.6k

RIGHT CHANNEL

A

3722

5.6k

3720

12k

2762

4.7µ

2714
10µ

2712
100p

6762

1N4148

6761

1N4148

2713

10µ

2737
100n

3719

12k

2719

18n

A

2718

2.2n

3718

3.9k

N

ALC-EN

2

A

0
0
1
1
0
0
1
1

2

A

9796

3714

10

3716

1.8k

A

N

9797

N

9793

EE

V

DD

V
V

SS

1

0

0

1

A

S

S

S

0

1

1

1

1

0

1

1

1

0

1

1

1

1

0
1

S

S

1

1

0

A

0

S

A

2738
100n

A

7788
BC858C

3713
10

3715

1.8k

A

3717

3.9k

2717

2.2n

0V

T177

7730
HEF4952BT

A

0
0
0
0
1
1
1
1

A

10 9 7

_measured in RECORD mode

N

9792

EQUALISATION

2

3

4

S

S

1
1
1

1
1
1
1
1

2

4

S

3

S

3A0
3A1

3A2

PLAYBACK

3728

5.6k

3730

2.7k

3732

6.8k

3727

5.6k

3729

2.7k

3731

6.8k

STOP

REC
HS Chrome
Pb Chrome

Pb Ferro

-8V

4

13

+CMOS

6.8V

8

A

NS Ferro
HS Ferro
REC Mute
REC Mute
NS Chrome
HS Chrome
REC Mute

DD

... Only for DOLBY Sets

N

... For NON-DOLBY Sets only

7740

HEF4952BT

S3a

2730

27n

2729

27n

5

0V

S2a

S1a

3

0V

S0a

0V

1

7740

HEF4952BT

S3b

12

0V

S2b

S1b

14

0V

S0b

16

0V

S4a

S4b

6

0V

R_OUT

2

0V

11

L_OUT

15

0V

0V

-8V

4

EE

V

13

7740
HEF4952BT

A

A

2

0

0

0

0

0

1

0

1

1

0

1

0

1

1

1

1

A

A

2

10 9 7

V

DD

V

SS

A

S

1

S

0

S

S

0

1

2

0

1

1

1

1

0

1

1

1

0

1

1

1

1

1

1

0

1

1

1

2

S

S

1

A

1

0

0

S

S

+CMOS

6.8V

8

A

S

3

4

1
1
1
1

S

4

3

2A0

2A1

2A2

DD

2648

4.7µ

DD

3646

2634
220n

DD

39k

DD

3632 120k

PB-LEVEL DECK B-R

DD

1

3636

10k

0V

DD

7634

BC848C

A

DD

3648

3.3k

23

0V

2732
33n

T172

N

Vref

T171

N

2731
33n

Vref

DD

3647

DD

3.3k

2633
220n

DD

3645

39k

DD

3631

120k

PB-LEVEL DECK B-L

BC848C

DC voltages measured with

EVM

V

Playback Deck1, DOLBY off

3635

10k

7633

1

23

0V

DD

0V

A

DD

3666

82k

DD

2646

10p

1

/

2

NJM4560

DD

DD

3634

6.8k

3638

DD

47k

5632

3

1

DD

3633

6.8k

DD

3637

47k

DD

3664

180k

2644

_

7

5.9V

+

4

7640

A

PB-LEVEL DECK A-R

3642

DD

10k

DD

1A1

7632

BC848C

DD

4

6

1

3

DD

5631

1A1

BC848C

DD

2694
100µ

2647

DD

4.7µ

DD

3662

1M

10n

DD

6

6.0V

2640

5

6.0V

0V

A

DD

100p

DD

1

3640

23

5.6k

0.6V

3644

+12V

DD

Rec In

3652

1k

5.6k

3650

DD

DD

2636

3.3n

DD

7630

2635

1

3649

/

3.3n

DD

DD

5.6k

DD

3651

1k

1

23

0V

0.6V

A

DD

DD

7640

2

8

1

5.9V

2645

10p

3665

DD

82k

6

4

PB-LEVEL DECK A-L

DD

3641

10k

DD

7631

NJM4560

A

DD

DD

3660

2642

33k

4.7µ

3658

DD

1k

4592

N

Vref

2632

27n

DD

1A0

A

DD

47k

DD

R

2693
100µ

!

3694
10R

VCC

6.0V

1

Rec

Pb In R

12.0V

6.0V

234567

Pb

+

-

Vcc

Vref

GND

CXA1101M

Rec

­+

Pb

16

15 14 13 12 11 10

A

_

+

3663
180k

3639

5.6k

3695

DD

2643

DD

3643

68R

2

3

6.0V

10n

1.0V

DD

DD

47k

6.0V

RecInL

2631

27n

3693

DD

DD

3661

1M

GND

68R

2639

1A0

100p

DD

6.0V

Pb In L

DD

3692

43k

4593

N

DD

+12V

DD

2641

4.7µ

Vref

To: 3655 3660

3656 5631
3659 5632

DOLBY

T176

A

DD

2692

100µ

Vref

6.0V

Off

On

On

Off

1.2V

R-Rel.

A

DD

3657

1k

Vref

3768

470k

2

3

Rec Out R

8

9

6.0V

3

2

6760

6.0V

Rec Out L

1713

DD

3767

+12V

22k

To: 3693

A

T173

To 3736

To 3735

11

1

2

10

9799

SHIELDING-GND

A

P

T175

To: 3643

3644
7710

To: 3637

3638
7710

To: 7740

To: 7740

To: 3691

7740

To: 7730

To: 7730

To: 7730

To: 7788

To: 3690

To: 3774

To: 3779

3786
6774

3694
3762
3764
3778
3789
6770

A

GND-SA

(ANALOG)

TAPE-R

REC-R

REC-L

A-GND

P-GND

TAPE-L

1A0

1A1

2A0

2A1

2A2

3A0

3A1

3A2

ALC-EN

DOLBY

CR

REC

-30V

-12V

To / from AF-PART

To / from TAPE-LOGIC- /MUP-PART

7

COMBI TAPE SIGNAL PART

3662

330k

2644

1.5n

6

_

6.0V

2640

5

100p

+

6.0V

1

10k

23

0V

0.6V

A

+12V

4

3652

1k

5.6k

3650

6

2636

3.3n

6

5.6k

3649

4

PB-LEVEL DECK A-L

3641

10k

0V

7631

BC848C

A

1

/

7640

2

NJM4560

A

1

5.9V

2645

10p

3665

82k

3640

5.6k

7630

2635

3651

1

23

3644

47k

Rec In

CXA1101M

3.3n

1k

3639

5.6k

0.6V

3695

8

_

+

2643

1.5n

3663
180k

Vref

33k

3658

1k

To: 3655 3660

Vref

DOLBY

2693
100µ

12.0V

2692

Pb In R

Vref

6.0V

34567

+

-

Off

On

Vref

R

2642

4.7µ

3694

1

Vcc

1A0

!

10

6.0V

Rec

3660

2632

27n

A

VCC

2

Pb

On

GND

Rec

-

Off

+

Pb

15 14 13 12 11 10

16

A

3643

47k

68

2

3

6.0V

1.0V

Rec In L

6.0V

2631

27n

3693

3661
330k

GND

68

2639

1A0

100p

2641

4.7µ

6.0V

Pb In L

3692

43k

+12V

1.2V

A

PLAY BACK

DECK A

R

L

LOGIC-DECK

REC/PB

DECK

L

R

Erase
Head

3783

4.7k

3782

4.7k

2786
100p

-8V

1730

3
2
1

1720

8

7

6

5

4

3

2

1

P

7785

J111

6773

1N4148

6772
1N4148

3781

4.7M

A

A

A

3780

1M

1N4148

BIAS

2783
100n

6778

2784
22n

A

A

BIAS

A

BIAS

3784

15k

CONNECTOR

BIAS

SYMM.

3

2

1

A

BC856B

33.6V

A

1712

3702

330R for sets with

Dolby Pro Logic

330R for sets with

Dolby Pro Logic

TEST

3785
100k

0V0V

7786
J111

7784

A

A

11.5V

7782

BC328-40

5701

3

2

1

MT

P

13

220

3704

3735

3733

220R

A

6774

1N4148

2787
33n

3778

8.2

7.9V

4

5

6

220

REC-L

27k

3779
330k

+12V

A

3701

220

1711

12

P

12.0V

TEST
CONNECTOR

2702
100p

REC-R

3736

A

27k

2704

3738

100p

3.3k

3734
220

2706

A

100p

A

2705
100p

3703

220R

3737

2703

4.7k
100p

A

2701
100p

A

7710
HEF4952BT

2

1

0

A

A

A

0

0

3788

22n

1M

0

0

0

1

0

1

1

0
0

1

1

1

1

1

2

A

A

10 9 7

1N4148

P

1

3787

6775

1M

0
1
0
1
0
1
0
1

0

A

STOP
Pb deck A
Pb deck B

REC (line in)
Dubbing

REC

2752

ERASE OSCILLATOR

+12V

7787
BC858C

7783

2782

6.8n

3776

6.8k

2781

BC848C

3771

1k

3.3V

7.9V

1.3V

0.9V

10n

P

3777

150

2785
10µ

3770

1.5k

10.9V

SELECTOR IC

5

3

0V

1

0V

16

0V

0V

14

0V

12

EE

V

DD

V

V

SS

0

1

2

S

S

S

1

1

1
1

1

1

1

1

2

S

S

1

0

S

1A0

1A1

3762

820

3774

22k

3773

10k

3.8V

BIAS

LEVEL

P

7781
BC848C

3775
22

P

S3a

S4a

S2a

S1a

S0a

7710

HEF4952BT

7710

HEF4952BT

S0b

S1b

S2b

S4b

S3b

4

+CMOS

13

8

S

S

3

4

1
1
1

1
1
1
1
1

S

4

3

S

2

1

3

18k

3772

P

P

A

2735

2780

4.7µ

15

33n

P

6

2

11

-8V

A

6777

6776

1N4148

3666

82k

2646

10p

1

/

2

NJM4560

3634

6.8k

3638

47k

5632

3

1

3633

6.8k

3637

47k

3664

180k

7

5.9V

4

7640

A

PB-LEVEL DECK A-R

3642

1A1

7632

BC848C

1

3

5631

1A1

2694
100µ

2647

4.7µ

1

0V

3

0V

5

0V

ALC DELA

1

7

+

0p

10

6

_

3739
120R

1

+

_

16

12

0V

14

16

7730

HEF4952BT

S0a

S1a

S2a

S3a

3765

47k

Y

/

7720

2

A

AN7318S

1.8V

12

8.4V

3763

180k

/

7720

2

A

AN7318S

1

A

9.2V

2761
220µ

A

S3b

S2b

S1b

S0b

7730

HEF4952BT

2722
33n

3726

220k

A

2723
180p

2708

3761

10k

A

3769

4.7M

470p

A

2707

LEFT

A

2760

2724
180p

2728 560p

3724

12k

3766

4.7M

2763

47µ

3706

220

3708

270p

3710
22

A

3705

220

CHANNEL

3707

100

+12V

2715
100µ

3709
22

3723

12k

2725
220p

A

33n

A

100

2716
220µ

2709
100p

2727
560p

3725

220k

2721
33n

A

0V

2710

1.2V

0V

10

11

1.2V

3764

470

3711
180k

0V

0V

+CMOS

+CMOS
To 7710

7730
7740

2726
220p

0V

0V

0V

0V

8V2

CR

+12V

3789
22k

11.9V

3786

2.2k

REC

P

7780
BC848C

0V

REC.EQUALISATION
MUTE

2

A

2720

18n

S4a

0V

6

3720

12k

2762

4.8V

4.7µ

A

2714
10µ

2712
100p

0V

8

2

4

3

5

ALC

0V

3712

180k

REC/Pb-AMPLIFIER

A

2785
47µ

9.1V

9

15

4.6V

13

14

2711

ALC

100p

0V

A

3719

12k

11

0V

S4b

3721

2719

5.6k

15

A

RIGHT CHANNEL

3722

5.6k

7788
BC858C

A

2738
100n

A

6762

1N4148

6761

1N4148

2713

10µ

3713
10

2737

3713

100n

1.8k

A

3717

3.9k

18n

2717

2.2n

2718

2.2n

3718

3.9k

ALC-EN

0V

3714

10k

3716

1.8k

A

PLAYBACK

EQUALISA

3728

5.6k

3730

2.7k

3732

6.8k

3727

5.6k

3729

2.7k

3731

6.8k

STOP

REC
HS Chrome
Pb Chrome

Pb Ferro

TION

-8V

4

V

EE

13

3

3

S

4

1
1
1
1

S

4

+CMOS

6.8V

8

A

NS Ferro
HS Ferro
REC Mute
REC Mute
NS Chrome
HS Chrome
REC Mute

7730
HEF4952BT

A

A

2

1

0

0

0

0

0

1

0

1

1

0

1

0

1

1

1

1

A

A

2

1

10 9 7

DD

V

SS

V

A

S

S

S

S

n

0

1

2

0

1

1

1

1

0

1

1

1

0

1

1

1

1

1

1

0

1

1

1

2

S

S

1

A

n

0

S

S

3A0
3A1

3A2

_measured in RECORD mode

2730

27n

2729

27n

0V

0V

5

3

0V

0V

1

12

14

0V

16

0V

7740
HEF4952BT

2

A

0
0
0
0
1
1
1
1

2

A

10 9 7

HEF4952BT

S3a

S2a

S1a

S0a

HEF4952BT

S3b

S2b

S1b

S0b

1

0

A

A

0

0

0

1

1

0

1

1

0

0

0

1

1

0

1

1

1

0

A

A

S

S

1

1

1

7740

7740

0

0

2648

4.7µ

3632 47k

PB-LEVEL DECK B-R

1

3636

3

2

0V

0V

A

3648

3.3k

S4a

10k

7634

BC848C

6

0V

2

0V

3646

2634
220n

39k

Vref

11

0V

S4b

15

0V

-8V

4

V

EE

13

DD

V

V

SS

1

2

3

S

S

S

1

1
1

1

1
1

1

1
1

2

S

S

1

3

S

+CMOS

6.8V

8

A

4

S

1
1
1
1

4

S

BC848C

Vref

3647

3.3k

2633
220n

3645

39k

3631

4.7k

PB-LEVEL DECK B-L

3635

10k

7633

1

23

0V

0V

A

2A0

2A1

2A2

DC voltages measured with

EVM

V

Playback Deck1, DOLBY off

3656 5631
3659 5632

A

100µ

6.0V

R-Rel.

3657

1k

REC-LEVEL-R

A

10k

3690

2691

4.7µ

On/Off

4.9V

0V

Pb/_REC

3691
10k

2A2

3659

33k

To: 3781

7710
7730
7740

-8V

TAPE-R

3654
1k

A

Line Out R

Time Const. R

6.0V

SIDE

CHAIN

SIDE

CHAIN

6.0V

0.4V

Line OUT L

A

3653
1k

TAPE-L

Vref

REC-LEVEL-L

0.4V

3656

2638
680n

Time Const. L

2637
680n

3655

10k

10k

3768
470k

6760

BZX79-C8V2

Vref

2

3

Rec Out R

6.0V

8

DET.

DET.

9

6.0V

Rec Out L

3

2

Vref

A

1713

1

2

3767
22k

+12V
To: 3693

To 3736

To 3735

9799

A

P

To: 3643

3644
7710

To: 3637

3638
7710

To: 7740

To: 7740

To: 3691

7740

To: 7730

To: 7730

To: 7730

To: 7788

To: 3690

To: 3774

To: 3779

3786
6774

3694
3762
3764
3778
3789
6770

TAPE-R

REC-R

REC-L

11

10

A

GND-SA

SHIELDING-GND

(ANALOG)

A-GND

P-GND

TAPE-L

1A0

1A1

2A0

2A1

2A2

3A0

3A1

3A2

ALC-EN

DOLBY

CR

REC

-30V

+12V

To / from AF-PART

To / from TAPE-LOGIC- /MUP-PART

DW_SE6/2003

COMBI CD-PART

27k

18k

18k

39k

39k

BC817-40

TRACK-SER

FOCUS-SER

SLIDE-SERVO

INNERSWITCH

+12V

+5.6V

+3.8V

HF-CD6

D-GND

D3/D4

Eject

Laser

On/Off

Track-S.

Focus-S.

Slide-S.

Motor 2

Motor 1

FROM/TO CD-INTERFACE BOARD

I-Switch

P-GND

+12V

+5V

TO CD(C) MODULE

D1

D2

R2

R1

down

Rear

Front

1825

19

18

17

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

up

1828

+3.8V

HF

D

D1

D2

D3

R2

R1

3895

3896

3897

3898

3899

P

9527

4

3

2

1

7820

3846

3845

EJECT

Motor 2

Motor 1

3873

12

3876

1.5k

2.2k

3872

+4V +4V +4V

5.6V

4.7V

2

0007

1562

+12V

0.7V

CDC-LED

7851

BC848C

2846

2.2n

2845

2.2n

3867

220R

7x 10k

345678

D

10k

2.2k

3855

3874

+5.6V

(FROM COMBI AF-PART)

+5.6V to: 1825

3867
3883

(FROM COMBI µP P

CD-STBY

+µP to: 3887

+12V to: 1825

3891
6857

CDC-LED

CD-R

CD-L

+5.6V

3851
10k

3852
10k

CD-R

CD-L

2542
470p

GNDDECODER

CENTER-P-Q

DISC-COUNT

DISC-DETECT

STORE

H-POS

SW1

SW2

SW3

PORE/NRST

SICL/CL

SIDA/DA

SILD

TRAY-MOT

POSITION-MOTOR

INNERSWITCH

RAB

EJECT

KILL

ART)

+µP

+12V

(FROM COMBI AF-P

(FROM COMBI µP-PART)

AF-PART

TO COMBI

D

OR

FROM/TO COMBI µP-PART

ART)

+4V

3871

OTD

2807

2.2n

3811

22R

2848

47µ

D

1.9V

1.9V

3.8V

2856
100n

HF

3856

D

1k

D

22k

HF

2852

47p

2851

3879

150k

22n

D

D

2849

47µ

D

+4V

V

3.8V

44 43 42

Vdd2

Vss2

EBU

INTER

FACE

S RAM

EFM

DEMOD.

VssA

12 13 14 15 16 17 18 19 20 21 22

D

3862

22p

D

FCR16.93MCT

DC voltages measured in
CD-PLAY

Q-CRC CHECK

Q-REGISTER

VERSATILE

INTERFACE

DIGITAL

PLL

PLL - FRONTEND

TIMING

CRIN

CROUT

0V

0V

1M

1

3

2

5860

D

D

SHIELDING LAYER CD-GND

D D

2V

2V

2V

2V

4V

3860
100R

CL11

1

2

3

4

5

6

7

8

9

10

11

EVM

DOBM

V1

V2

TEST2

TEST1

ISUCE

HFIN

HFREF

IREF

Vdda

2850

eye-pattern

>800mVpp

TB=0.5µs/DIV

PORE/NRST

2859
10n

D

D

VARI

2841
100n

3869

D

D

10k

10k

VO

VO

3847

2834

D

3858

10k

3857

10k

3848

10k

10k

2836

220p

2835

220p

220p

D

D

3859

+4V

10k

0.4V

D

2839

220p

2838

220p

2837

220p

D

D

D

22R

3.8V

2833

47µ

D

D

3861
10k

D

7850 TDA1301T/N1

Reset

4V

1

CONTROL

Laser

0.7V

2

On/Off

3

4

5

6

7

8

9

10

11

3.8V

12

0.3V

13

14

TS1

Vref

GEN.

D1

D2

D3

Vref

D4

R1

A/D CONVERTER

R2

VDD

OSCILLA

TS1

SERVOPROCESSOR

TS2

OTD

PREPROCESS

XTAL

TOR

DIGITAL

1825 Pin 18

µPROCESSOR

INTERF

ACE

CONTROL

OUTPUT-STAGE

DIVIDER

+3.8V to

VDD

SIDA

SICL

SILD

Slide

Focus

Track

Vdd

TS2

OTD

+3.8V

+4V

3864

22R

3.8V

28

27

26

25

24

23

22

21

20

19

18

17

16

15

3841

10

SIDA/DA

SICL/CL

SILD

SLIDE-SERVO

FOCUS-SER

VO

TRACK-SERVO

2831

47µ

D

D

3866

DSIC-CLK

330

OTD

0.8V

0V

3878

1M

0V

0V

3865
10k

D

CHANGER DRIVER

16

15

14

13

12

11

10

9

P

7862

TDA7073A/N2

+

-

VDD

-

+

+5.6V

3882
1k

POSITION-MOTOR

3881
33k

!

3891

2840

3.3

100n

P

3885
1k

3884
1k

PP

3883

1.2k

1

-

2

+

3

4

5

+

6

-

7

8

2855
47µ

+12V

TRAY-MOTOR

3880
39k

7860

SAA7345GP/M5

41 40 39 38 37

FLAGS

ERROR

CORR.

AUDIO
PROC.

PINS

PEAK

DET.

MISC

CL 16

1.8V

1.9V

2861
100p

D

vari

9899

3.8V

2857
0p

vari

2858
100p

RAM

ADRESSER

MOTOR

CONTROL

Vdd1

Vss1

D

GNDDECODER

DISC-CLK

GND-SCD

KILL

SERIEL DA

INTERFACE

DATA

1.9V

3844

220R

A

36 35 34

µP-INTERFACE

TA

MOTO1

WCLK

SCLK

0V

1.9V

3843

3842

220R

220R

1.9V

1.9V

1.9V

0V

5862

2.2µ

CFLG

RAB

CLA

PORE

KILL

MOTO2

0.4V

BCK

1

WS

2

DATA

3

4

GND

D

0V

33

0.2V

32

CL

31

DA

30

29

28

27

V3

26

V4

25

V5

24

23

Motor 1

3863

10

3.9V

3.8V

3868

10

1.9V

4V

2.8V

0V

0.2V

0V

Subcode

V

0V

Motor 2

KILL

PORE/NRST

7861 TDA1311AT/N2

Continuous Calibration DAC

FREQUENCY

DIVIDER

CONTROL

AND

TIMMING

SIDA/DA

SICL/CL

RIGHT

CHANNEL

REGISTER

LEFT

CHANNEL

REGISTER

1831

7

6

5

4

3

2

1

1

2

From CDC Module

3

4

1832

CD (C)-BUS

RAB

+4V to: 3526

3855
3859
3860
3864
3871
3872
3874
3877

REF

V

+4V

11k

VDD

6857
6V2

+12V

D

3875

3870

1.5k

1.5k

2.2k

3877

+4V

7856

BC848C

4.1V

CDC

1504

8097GB

1

0.6V

8

7

6

5

GNDDAC

2.7V

0V

2.7V

4.6V

RIGHT

LEFT

P

A

2832
1000µ

Ior

Iref

Iol

8

COMBI CD-PART

1825

19

TO / FROM CD(C) MODULE

MODULE

TO / FROM CD(C)

+3.8V

HF-CD6

D-GND

D3/D4

Eject

Laser

On/Off

Track-S.

Focus-S.

Slide-S.

Motor 2

Motor 1

I-Switch

P-GND

+12V

+5.6V

D1

D2

R2

R1

down

Rear

Front

18

17

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

up

1828

+3.8V

D

D1

D2

D3

R2

R1

TRACK-SERVO

27k

3895

FOCUS-SER

18k

3896

18k

3897

39k

3898

39k

3899

INNERSWITCH

P

4

3

2

1

7820

BC817-40

EJECT

SLIDE-SERVO

Motor 2

Motor 1

+12V

+5.6V

3846

10k

3845

10k

+4V

3871

CDC

NCDC

OTD

2807

2.2n

3811

22R

2848

47µ

D

1.9V

2.0V

3.4V

2856
100n

HF

3856

D

1k

D

22k

HF

2852

47p

2851

3879
150k

22n

D D

2849

47µ

3860
100R

D

+4V

V

2V

2V

2V

2V

4V

3.8V

44

Vdd2

CL11

1

DOBM

2

V1

3

V2

4

TEST2

5

DEMOD.

TEST1

6

ISUCE

7

HFIN

8

HFREF

9

IREF

10

Vdda

11

VssA

12 13 14

D

2850

22p

D

FCR16.93MCT

DC voltages measured in

EVM

CD-PLAY

43

42 41 40

Vss2

EBU

INTER

FACE

S RAM

VERSATILE

INTERFACE

EFM

DIGITAL

PLL

PLL - FRONTEND

CRIN

CROUT

0V

0V

1M

3862

1

3

2

5860

D

D D

Q-CRC CHECK

Q-REGISTER

TIMING

SHIELDING LA

eye-pattern

>800mVpp

1

1

2859
10n

D

7850 TDA1301T/N1

Reset

4V

1

CONTROL

Laser

0.7V

2

On/Off

D

3847

3858

10k

3857

10k

3848

10k

10k

3869

0.4V

10k

4

5

6

7

8

D

9

3

D

10

11

220p

3.8V

12

0.3V

13

14

D

3861
10k

D

2839

2838

220p

2837

220p

2836

220p

2835

220p

2834

220p

D

D

VO

+4V

D

D

D

D

3859

22

3.8V

2833

47µ

D

TS1

Vref

GEN.

D1

D2

D3

Vref

D4

R1

A/D CONVERTER

R2

VDD

XTAL

OSCILLATOR

TS1

SERVOPROCESSOR

TS2

OTD

PREPROCESS

DIGITAL

TB=0.5µs/DIV

1825 Pin 18

µPROCESSOR

INTERFACE

CONTROL

OUTPUT-STAGE

DIVIDER

+3.8V to

VDD

SIDA

Slide

Focus

Track

Vdd

TS2

SICL

SILD

OTD

28

27

26

25

24

23

22

21

20

19

18

17

16

15

3.8V

D

0.8V

0V

0V

0V

D

+3.8V +4V

3864

22

3841

10

2831

47µ

3878

1M

3866

330

3865
10k

PORE/NRST

SIDA/DA

SICL/CL

SLIDE-SER

FOCUS-SER

TRACK-SER

D

DSIC-CLK

SILD

VO

VO

VO

OTD

CHANGER DRIVER

7862

TDA7073A/N2

16

+

15

14

P

13

-

12

4

11

P

9

VDD

-

+

+5.6V

3882
1k

POSITION-MOTOR

3881
33k

CDC

!

3891

2840

3.3

100n

P

3885
1k

3884
1k

P

3883

1.2k

1

-

2

+

3

4

5

+

6

-

7

8

2855
47µ

P

+12V

TRAY-MOTOR

3880
39k

VERSIONS:

CD-Changer
No CD-Changer

7860

SAA7345GP/M5

39

38 37 36

FLAGS

ERROR

CORR.

AUDIO
PROC.

PINS

PEAK

DET.

CL 16

MISC

17 18 19

1.8V

1.9V

15

3.8V

2858
100p

DISC-CLK

9899

RAM

ADRESSER

MOTOR

CONTROL

Vdd1

Vss1

16

D

GNDDECODER

YER CD-GND

GND-SCD

KILL

SERIEL DATA

INTERFACE

DATA

20

1.9V

220

3844

3843

A

5862

2.2µ

WCLK

0V

µP-INTERFACE

220

35

MOTO1

SCLK

21 22

1.9V

220

3842

1.9V

1.9V

1.9V

0V

34

CFLG

RAB

CLA

PORE

KILL

MOTO2

0.4V

Motor 1

BCK

1

WS

2

DATA

3

4

GND

D

0V

33

0.2V

32

CL

31

DA

30

29

28

27

V3

26

V4

25

V5

24

23

3863

10

3.9V

3.8V

3868

10

1.9V

4V

2.8V

0V

0.2V

0V

Subcode

V

0V

Motor 2

KILL

PORE/NRST

7861 TDA1311AT/N2

Continious Calibration DAC

FREQUENCY

DIVIDER

CONTROL

AND

TIMMING

SIDA/DA

SICL/CL

RIGHT

CHANNEL

REGISTER

LEFT

CHANNEL

REGISTER

for changer only

CD (C)-BUS

RAB

+5.6V to: 1825

3867
3883

+4V to: 3526

3855
3859
3860
3864
3871
3872
3874

V

REF

7

6

5

4

3

2

1

1

2

3

4

1831

1832

CDC

CDC

6762

+5.6V

+4V

5.6k

3887

1N14148

+5.6V

Ior

Iref

11k

Iol

VDD

6857

6V2

D

3870

1.5k

NCDC

CDC

CDC

8

2.7V

0V

7

6

2.7V

5

4.6V

GNDDAC

CDC

5.6V

4.1V

RIGHT

LEFT

3873

12345678

+12V

3875

3876

1.5k

1.5k

2.2k

2.2k

3877

3872

+4V +4V +4V

+4V

7856

BC848C

5.6V

4.7V

CDC

1504

8097GB

2

1

0007

1562

+12V

0.6V

0.7V

CDC-LED

7851

BC848C

P

CD-R

2846

2.2n

A

2845

2.2n

CD-L

3867

220

+5.6V

2832
1000µ

7x 10k

D

2.2k

3855

3851
10k

3852
10k

+5.6V

CD-STBY

CDC

10k

3874

(FROM COMBI BOARD
SOURCE SELECTOR 1833)

(FROM COMBI BOARD
MUP PART)

+12V

+12V to: 1825

3891
6857
7852

(FROM COMBI BOARD

CDC-LED

MUP PART)

CD-R

CD-L

2542
470p

D

GNDDECODER

CENTER-P-Q

DISC-COUNT

DISC-DETECT

STORE

H-POS

SW1

SW2

SW3

PORE/NRST

SICL/CL

SIDA/DA

SILD

TRAY-MOTOR

POSITION-MOTOR

INNERSWITCH

EJECT

RAB

KILL

(FROM COMBI BOARD
SOURCE SELECTOR 1833)

TO/FROM COMBI MUP-PART

DW_SE6/2003

TUNER 95

<0.5V

+12V

+FM

3102
220k

2102

47µ

3103
180k

6

+B

A

ANT.

110 2

FM

Ant1

1

4

GND

0aif

F=F+F

1103

2

1

AM-FRAME SOCKET

B

7104

0.7V
0V

7105

BC338-40

BC338-40

2108
82p

3108

2.2k

3109

2.2k

LW =

MW =

KARAOKE BOARD

1201

MIC1

1202

MIC2

... to COMBI board
(connector 1830)

+12V

key matrix

3206

12k

3281

47E

+12V

... not active in tuner mode

+5V stabilization

MIC AMPLIFIER

6
5
4
2

L

3

R

7
8
9
1

6
5
4
2

L

3

R

7
8
9
1

MIC SENSE

KEY STROBE

1203

VOCAL

FADER

3262
100E

BC338-40

7.3V

3200

2.2k

6202

BZX79F5V6

3270

68k

FM FRONTEND

3 7

AGC

F

a

MT

MT

5102

6

2

MW

14

3

2109
27p

1

3244

1k

+6V

3258

100k

2257
680p

3243

1k

3256

22k

5205

2.2µ

nc

1

2

+12V

Rin

GND-A

GND-D

3205

3.9k

5.6V

Lin

5V

3

4

5

6

7

8

9

10

11

12

13

14

15
16

17

7212

BC548C

3271

47k

Rout (REC)

Lout (REC)

VOCAL C

KEY DATA

VOCAL B

KEY CLK

VOCAL A

7200

VT

5

3104
1k

5

3

2

5103

LW

1200

+5V

0.3V

1110

5200

47µ

KEY SENSE

3273

1k

F

o

6105a
HN1V02H

1

2106

5.2p-30p

2224

0.47µ

2218

10µ

+12V

IF Out

if

F = 10.7MHz

3169

0E

V

0V

MW LW

3247
220k

3245

1k

3248

27k

K-POWER ON

3172

0E

10.7MHz

3173
0E

3107
82E

7

2

LW =
MW =0V0.7V

3137

10k

BC848C

0.6V

3209

6201
1N4148

5109

Out

Osc

8

VT

3123
0E

6

3

2107
470n

7124

3249
470E

3246

2252

6.8µ

2253

1n

27k

2221

3279
100k

1µ

3204 3.3k

3201 3.3k

3222 220k

3223 220k

3224 220k

EVM

V

2150
100n

R3181
0E

3140

330E

6

C

6105b
HN1V02H

5

2120

33p

3134
22k

2123
390p

2122

3.9n

5.3V

2.7k

4.6V

7204
BC549C

3280

10k

+6V

in case of no MIC connected

0V

in case of Mic connected

2V

out no signal on input

MIC & signal

>2.5V

Auto vocal fader mode
selector circuit

2260
10µ

2261

10µ

2212

2211

100n

100n

DC VOLTAGES MEASURED

IN CD-MODE PLAY

FM-IF1I In

37

FM-Osc.

5

8

I-Tune

2

AM-RF

3132
0E

3124
0E

3

2

1

2125
560p

3

2

1

2219

10µ

7203
BC559C

3264

2263
470µ

Mute circuit

is active if
no Mic is
connected

2213

100n

+8V

VCC1

7

VCC1

STABILIZER

3184

2129

MW-OSC

5123

LW-OSC

5122

3

20k

1

3203

820E

2258
100p

3

IF-AM IF-AM

1

+7V
+6V

VDD

23 35 34 33 38 40 41 36 32 19 20 22

VDD

AM

OSC.

FM
IF1

FRONTEND

FM-IF2

5110

10.7MHz

1.4V

AM

1.4V

FM-IF2I

V Stab B

FM
IF2

CHARGE

PUMP

AM

MIXER

V Stab A

6

1

5111

3192

2

0E

4

AM-IF1 in

AM-MIX Out

FM

DET

2

3

450kHz

6

5114

5112

450kHz

AM-IF2

450kHz

4

AM-AFC

AM

IF

3

AGC

7101

TEA5762

FM

0V

GND

V

LW =
MW =

3128

2.2k

MW LW

0.7V

GND

0V

RF

Ripple

AM-Osc.

2V

0E

1µ

3163
0E

3129
0E

4

3130
0E

6

7122

BC848C

4

6

IF GND

10.7MHz

+7V
+6V

VDD

3131
0E

Dig.
GND

+7V
+6V

VDD

7109
BC858B

RF GND

3197

4.7k

10.7MHz

3125

10k

5120

0V

V

FM-Demod

3191
0E

MW LW

75kHz

AGC

44

0V

3183
0E

2128
10µ

3185
0E

AM-DET

1

2

1

2140
470n

AFC- AFC+

AFC

AM

DET

CONTROL

XTAL
OSC

AF-Out

7

Indc.

Fieldstrength

2V

2141
100n

3162
150k

2161

1n

4

321

...V FM mode stereo

...V FM

5121

5115

2160
12p

75kHz

...V AM

+12V

MIC/ECHO MIX

3257

180E

VCC

MIC IN

Lout

Kout

BIAS

GND

7201

BC549C

0.6V

2222

1n

Kin

Lin

3251

2.7k

5.1V

2204

10µ

2262
10µ

+12V

3260

180E

2202

47µ

11.3V

1

0V

2

3

4

5

6

7

8

2256

100p

5.8V

5.8V

5.8V

5.8V

+6V

2203
470µ

3275
680k

3276
470k

2255

100p

+12V

5.8V

0V

2225

330µ

2220

3250

10µ

2

15k

3252

10k

3255
39k

3253

5.6k

logic table

ABC

function

1

1

1

key control mode

0

1

1

normal mode

0

0

1

vocal fader mode

VOCAL FADER

C

4.8V

16

B

4.8V

2200
10µ

0.5V

5.8V

5.8V

2242
220n

5.8V

5.8V

5.8V

2243
47n

15

14

13

12

11

10

9

Loogic

Decoding

A

Rout

Switching

Network

LPF

­+

Rin

7206 BA3837

2205

1µ

3254

6.8k

2210
10µ

3202
820E

Version detection
circuit

DIGITAL ECHO

3214

33k

3213

2241

33k

10n

3220

47k

3278

8.2k

2238

1µ

2223

2

10µ

31

32 3

6

20k

2201
10µ

2254
100p

3215

33k

2233

0.22µ

2.2n

2206

3216

2234
100n

2207

0.22µ

7207 M65844P

2.4V

1

LPF

2.4V

2

33E

2.4V

3

2.4V

4

ADC

0.6V

5

0.5V

6

0V

RAM

7

GND

VCC2

STEREO

911252110184226174361

1V

2127
220n

3141
56k

100k

3142

VC0

6

ANTI BIRDY
FILTER

3186

1k

MAIN

CONTROL

+9.6V

VCC2

WRITE Enable

DECODER

LPFVCOMPX-In

12

0.8V

3145

2.2k

2132
470n

+8V

VCC1

VCC

OSC

VREF

DAC

LPF

29

DATA

28

CLOCK

27

P1

31

FM/AM

39

P0

30

Mono/
Stereo

24

Left

14

Mute

13

Right

15

PILOT

16

Filter

2131
470n

3143
22k

3144

7103
BC858C

Signal path

3261

4.7E

4.8V

14

1.9V

13

2.4V

12

2.4V

11

2.4V

10

2.4V

9

2.4V

8

1k

2133

FM

AM

AF

0.7V

0.9V

2138

2.2µ

+5V

V

0V

mono stereo

6120

1N4148

1µ

2209

470µ

3221
27k

2236
100n

1.3V

2235

2.2n

2208
47µ

2240
100p

2239
100p

3219

3217

V

0V

AM FM

+FM

VCC1

+8V

VDD

VCC2

+9.6V

2158
100n

33k

33k

3218

33k

V

0

During communication

V

0V

High = During communication

3161
470E

3159

470E

2145

2147

220p

220p

2148
220p

2135
220n

3152

470E

2134
15n

2137
220n

3153
470E

2136
15n

3150

4.7k

BC858B

2130

22n

2144

1µ

7110

2143
220n

3167
220E

3155

330E

3188

3151

0E

<0.5V

+12V

2142
100n

2237
10n

+7V
+6V

0V = No communication

1.3V

3160

470E

3158
470E

3

STEREO = LOW

4

11.8V

11.2V

2162

68k

22µ

3164

!

4E7

3154
220E

6107
BZX79/C11

3146
47E

1121

1124

9

1

2

3

4

5

6

1

2

3

4

GND

RDS

ENABLE

DATA

CLOCK

STEREO

LEFT

GND

RIGHT

VCC
+12V

from COMBI BOARD

AF Part

S-ANALYZER

IIC-SDA

IIC-SCL

MUTE

S-ANALYZER

IIC-SDA

IIC-SCL

MUTE

CDC-LED

CD-STBY

CDC-LED

CD-STBY

from COMBI BOARD CD Part

POSITION-MOTOR

INNERSWITCH

INNERSWITCH

EJECT

POSITION-MOTOR

TRAY-MOTOR

SILD

TRAY-MOTOR

KEY-ON

SILD

KEY-STROBE

PORE/NRST

EJECT

PORE/NRST

KILL

+µP

4899

D

1M

3607

47k

µP-ACKN

µP-DATA2

µP-DATA1

µP-STROBE

PORE/NRST

IIC-SDA

IIC-SCL

CLIPPING

WAKEUP

D

10n

2591

D

22k

4688

RESET

DISC-COUNT

DISC-DETECT

KEY-DATA

KEY-CLOCK

CR

DOLBY

REC

HALL-B (CRO2-A)

HALL-A (DECK-A)

SLEEP

5.6k

3887

3606

47k

4691 4.7k

4662 4.7k

4663 4.7k

4687 4.7k

4686 1k

4685 2.2k

4684 2.2k

4683 10k

4682 1k

D

D

4681 4.7k

4680 1k

4679 1k

D

4677 1k

4676 1k

4675 27k

4674 1k

4673 1k

4672 1k

4671 1k

4670 10k

D

5791

8MHz

4678 1k

10n

2590

+µP

3601

A

RESET

10k

3605

10k

3795

25

I/O POR

T3

Int3

I/O PORT1

Int2

Int1

80

4692

1k

Open Drain

Tri-State

without KARAOKE

For sets

4630

1k

26

TMP879971F

Open
Drain

79

4668

1k

CRO2-B

SLEEP

RESET

WAKEUP

PWI

µP-DATA2

µP-DATA1

µP-ACKN

µP-STROBE

4704

4707

4709

4708

1k

1k

1k

1k

1

2

3

4

+5.6V

4712

4713

4710

1k

1k

1k

D

5

6

D

7

8

9

4711

1k

-30V

D

10

13

11

12

From CONTROL BOARD (connector 1401)

DW_SE7/2003

SIDA/DA

SICL/CL

RAB

SIDA/DA

SICL/CL

MOTOR

TRAY-

MUTE

4694

4693

1k

100k

27

28

(I/O POR

T2)

7690

CONVERTER

I/O PORT5

78

77

4666

4667

2.2k

4.7k

S-ANALYZER

NTC

F2

F1

1750

14

15

DISC-DETECT

SW2

SW3

STBY

4696

220

H-POS

SW1

SW2

SW1

ALC-EN

2.2µ

4697

100n

1k

D

31

32

COUNTER

TIMER/

16 BIT

H-POS

+µP

5790

2794

33

V

DD

STORE

SICL/CL

4696

220

34

w.PD to VKK

SW3

RAB

MOTOR

POSITION-

4695

1k

29

30

Tri-State Open Source

STORE

CLOCK/TIMING CONTROLLER

CONTROLLER

INTERRUPT

CPU

6 BIT A/D-

COUNTER

TIMER/

8 BIT

Open Drain w. progr. pull down

I/O PORT4

76

75

74

73

72

71

For sets with incredible

4690

4664

4665

2.2k

10k

KEY-SENSE

MIC-SENSE

D

470

STBY-AMP

BC848C

+µP

7701

3600

47k

stereo only

MO

4661

4689

1k

1k

VOCAL-C

VOCAL-B

390k

DISC-COUNT

CENTER-P-O

DISC-DETECT

DISC-COUNT

CENTER-P-O

SILD

RAB

4700

4699

220

220

35

36

I/O PORT6I/O PORT0

512 x 8 BIT

24k x 8 BIT

70

69

4659

4660

220

1k

VOCAL-A

SIDA/DA

PWI

4720

PWI

BOARD

To COMBI BOARD TAPE SIGNAL PART

REC

CR

REC

KILL

MO

4721

4701

100k

1k

37

38

DATA MEMORY

(RAM)

PROGR MEMORY

(ROM)

PROGRAM

COUNTER

(70k)

68

67

4657

4658

1k

1k

CDC-LED

CRO2-A

STBY-AMP

STBY

STBY-AMP

STBY

CR

39

V

KK

66

D

(DECK-B)

NTC

NTC

ALC-EN

DOLBY

CD-STBY

STORE

4716

4703

1k

1k

40

I/O PORT7

Open Source with

prog. pull down to VKK

I/O PORT8

(80k)

I/O PORT9

65

4656

1k

MODE-A

CLIPPING

CLIPPING

3748

3609

10k

4718

10k

(TAPE)

KEY-ON

3A2

3A1

3A2

3A1

3744

3743

3677

3674

4124

4223

4322

4421

4520

4619

4718

4817

4916

5015

5114

5213

5312

5411

5510

569

578

587

596

605

614

623

632

641

4631

10k

4719

10k

KEY-STROBE

VOCAL-A

KEY-ON

KEY-STROBE

VOCAL-A

3A0

2A2

3A0

2A2

6792

1N4148

+µP

3670 5790

3609 4719

3608 4718

3607 4631

3606 3886

4632 1k

4633 1k

4634 1k

4635 1k

4636 1k

4637 1k

4638 1k

4639 1k

4640 1k

4641 1k

4642 1k

4643 1k

4644 1k

4645 1k

4646 1k

4653 47k

4651 1k

4647 1k

4648 1k

4649 1k

4650 1k

4652 1k

4654 1k

4655 1k

+µP

KEY-CLOCK

VOCAL-B

KEY-CLOCK

VOCAL-B

2A1

2A0

2A1

2A0

from Combi Source sel.

1833

+5.6V

+µP to: 3600 3751

To: 1750 (Pin 7)

6792

3605 3759

INNERSWITCH

CENTER-P-O

MOTOR

B-REC-FWD

MODE-B

B-REC-RVS

D

P

9595

GND-SD

D

KEY-SENSE

KEY-DATA

VOCAL-C

KEY-DATA

VOCAL-C

KEY-SENSE

ALC-EN

DOLBY

To KARAOKE BOARDTo POWER

PLAY deck 1

measured during

DC voltages

V

EVM

1A1

1A0

1A1

1A0

+12V

+16V

To: 3798

To: 7663

EJECT

SW3

SW2

SW1

H-POS

2A0

2A1

3A2

3A1

3A0

3A2

1A1

1A0

SOL-A

TAPE-B

HS

SOL-B

TAPE-A

SHIELDING-LAYER

(DIGITAL-GND)

MIC-SENSE

MIC-SENSE

B-REC-RVS

CRO2-B

MODE-B

TAPE-B

HALL-B

B-REC-FWD

HS

3679

47k

BC848C

0.7V

7650

P

MOTOR

SOL-B

47k

3686

47k

3740

CRO2-A (DECK-B)

MODE-A (TAPE)

TAPE-A

HALL-A (DECK-A)

SOL-A

P

P

REC.RVS

13

3678 1k

3680

4.7k

1N4148

6651

4.7k

3681

BC848C

7652

BC848C

7654

3745

1k

3744

15k

+µP

NC

12

+µP

3677

47k

5.5V

+MOTOR

0V

0V

11

10

CRO2-A

MODE-A

1k

CRO2-B

11

3676

1k

High Speed

6.2V

6.2V

Normal Speed

11.1V

11.1V

9

COMMON

3749

+µP

P

COMMON

MODE-B

10

9

3674

3675

1k

1k

+µP

3682

10k

BC858C

7651

3684

10k

3687

470

8

NC

3759

1k

BC848C

For sets without Dolby

Pro Logic

+12V

1

1

10.4V

0V

7662

32

5.6k

32

4.7k

7

NC

M

Motor L

8

3683

3685

11.8V

100R

100k

+MOTOR

1k

3798

Motor H

7

3688

6

VCC-A

9784

P

P

P

3796

12.6V

VCC-B

6

11.0V

BC807-40

11.1V

3741

1k

5

GND

1k

9790

100k

6791
1N4002

11.8V

100k

P

P

P

7653

11.1V

4

TAPE-A

3760

3797

GND

5

3746

11.8V

TAPE-B

4

3673

1k

100k

3689

1N4002

6790

+MOTOR

3742

100k

HALL

3

SOL-A

100k

0V

BC807-40

BD437

17.9V

+16V

0V

7661

9704

7663

Vcc

2

EOT-A

3747

7659

Vcc

HALL

EOT-B

SOL-B

3

2

3672

100k

BC807-40

7655

11.1V

Tape Electronic

1

NC

To: 3681

7655

7653

+MOTOR

12.8V

+16V

COMBI TAPE LOGIC / MUP PART

Tape Electronic

REC.FWD

1741

1

3671

1k

DECK-B

+MOTOR

1742

DECK-A

For sets with Dolby

9782

Pro Logic

RIPPLE
FILTER

+

-

GND GND

123456789101112

1.2V

16.4V

2305

2313
1µ

10n

3315

3.9k

3309

330

2307

RIPPLE
FILTER

+

10n

Left analog

GND analog

Right analog

AMP ON

+12V

GND POW

+16V

GND DIG

+5.6V

PIN1

1301

1

2

3

4

5

6

7

+16V

8

9

+5.6V

3302
10k

3303

120

3313

47k

+12V

3304
220

6310

1N4148

-

1303

to/from COMBI BOARD

1

2

3

4

5

6

7

to primary and secondary part

NTC

CLIPPING

STBY

4.5V AC

4.5V AC

-30V

PWI

GND GND

123456789101112

1.2V

16.4V

2306

3310

330

10n

2308

10n

PIN1R

3316

3.9k

(SUPPLY)

opt. 8305

1

connected to
METALL BOTTOM

POWER BOARD SUPPLY PART

6344

1N4148

6345

BZX79-C12

1008

7

180 - 220V~

6

30V~

5

4

2

th. fuse

1

150

2345
10n

6

5

4

470k

3351

6351

1N4004

110-127 VAC
220-240 VAC

L

2

1

N

1350

230V

1352

!

5350

!

!

!

43

6352

1N4004

21

!

3339

!

10M

3341

2.2M

3346
470k

1N4148

1352 1356 1357 1358 1359 3339 1355 6351-6354

T2AH/02 T5A T2.5A T5A T1.6A --- --- 1N4004GP

T3A/37 T6.3A T3.15A T6.3A T2A X --- 1N5393GP

T2AH/21 T5A T2.5A T5A T2A --- X 1N5395GP

... V Voltages measured during operation

Voltages measured in ECO Mode (Stand by and display off)

... V

SD

G

7351

!

STP7NA40

!

6341

!

3345
47k

1N4148

2351
10n

7352
BT151

!

BC558

6342

3354

100

7342

3357

0.22 1W

6353

1N4004

!

!

6354

1N4004

!

3

2

110/127V

1

220/240V

1355

6

5

4

!

3343

!

470k

3349
150k

6343

1N4148

2344

0.22µ

2343

3350

10µ

270k

6340

1N4148

1.2V

2309

22µ

3307

390

1.2V

2310

22µ

3308

390

!

17

16

15

14

13

12

11

10k

NTC

10

9

8

!

7353

CQY80NG

7301 AN7164

­+

4.7V

STBY

0V

8.6V

2315

47µ

6325
BZX79-C4V7

2317
100n

3317

2.2

BOOTSTRAP

14.4V

3325
220

!

7302 AN7164

­+

STBY

0V

4.7V

ITEM 1356, 1357, 1358, 1359

!

1356

1357

1358

1

2

3

8.6V

2316

47µ

6326
BZX79-C4V7

2318
100n

3318

2.2

1345

1346

BOOTSTRAP

14.4V

3328
220

!

0011

8301

1

1

2

2

3

3

4

4

0013

1

1

2

2

3

3

4

4

5

5

8302

8.6V

2319

47µ

6331
BZX79-C4V7

2311
100n

3311

2.2

8.6V

2320

47µ

6332
BZX79-C4V7

2312
100n

3312

2.2

~

22V

4V

VCC

BOOTSTRAP

17.3V

14.4V

220

3331

6303

1N4148

!

VCC

BOOTSTRAP

14.4V

17.3V

220

3326

6304

1N4148

!

~

2370

47µ

6365
1N4148

2372

47µ

4.5V

0.3V

3359

2323
1µ

6301
1N4148

2324
1µ

6302
1N4148

9V

~

1V

~

3380

6397
1N4148

6368

1N4148

6367

1N4148

2371

47µ

Voltage Doubler

6364
1N4148

~

~

Pin12 +16V

1

6307

BYV27-50

2339
47µ

3347

3.3k

PIN1

Pin12 +16V

6308

BYV27-50

2338
47µ

3338

3.3k

PIN1R

2362

100n

-

NTC+5.6V

680

3373

4.7k

3387

4.7k

6373

BZX79-F8V2

6366

1N4148

3377

4.7k

2376

4.7n

7305
BD681

7306
BD681

~

~

3369

1N4148

PWI

6363

3391

220

3390

220

+5.6V

!

D3SBA20

+

1k

3370

3378

10k

6396

3388

4.7k

1N4148

6374
BZX79-C24

18V

3355

100

2329

3356

100

2330

2373
47n

1µ

1µ

3376

+24V

17.4V

6335
BZX79-F22

+24V

17.4V

3372

15k

3371

15k

1k

2.4V

1.3V

470

27V

3327
330k

27V

2363

7369

BC558

BC558

5.8V

3384

5.6k

3398

18k

-24V

100n

4.2V

7368

2366

2364
100n

10n

2377

2.2µ

-23V

26.3V

-25V

COMBI TAPE LOGIC / MUP PART

To Combi/

AF-Part

PORE/NRST

EJECT

PORE/NRST

EJECT

3886

47k

3601

1M

µP-DATA1

4713

1k

D

T141

10

9

INNERSWITCH

INNERSWITCH

G

NG

+µP

A

µP-ACKN

4710

D

T140

11

POWER BOARD AF PART

IIC-SCL

IIC-SCL

IIC-SDA

MUTE

IIC-SDA

S-ANAL

YZER

S-ANAL

MUTE

KILL

KILL

CDC-LED

CD-STBY

CDC-LED

CD-STBY

YZER

T100

3329
100k

27V

7307
BC558

8303

2331
100n

CLIPPING

1304

5

4

3

2

1

2327

0.22µ

2328

0.22µ

2337
220µ

2333
100n

2334
100n

2336
220µ

from 2327

REAR CABINET

to 2328

connected to

1

3337

68

3336

68

8304

8

7

6

5

4

3

2

1

1302

only surround version

L

surround

R

surround

LOUDSPEAKER
CLICKFIT SOCKET

L

µP-ACKN

µP-DATA2

µP-DATA1

R

µP-STROBE

PORE/NRST

IIC-SDA

IIC-SCL

CLIPPING

WAKEUP

DD

3335

4.7k
6309

5

4

3

2

1

BZX4V7

0014

3333
68k

RESET

DISC-COUNT

DISC-DETECT

KEY-DATA

KEY-CLOCK

CR

DOLBY

REC

HALL-B (CRO2-A)

2365
100n

!

D5SBA20

~

+

3385

1.8k

2361

4700µ

27V

2360
4700µ

6384

BZX79-C12

3383

3379

2379

47µ

6.8k

2359
4700µ

3375

220

6.8k

7360

BD438-RAIL

18V 12V

2375

+16V

BZX79-B6V2

2.2µ

3360

220

7363

BC548

6358

7358

BD437

17.2V

5.6V

17.1V

3365
220

3361

2367

6386

BZX79-C36

3368

3367

0V

0.6V

6362

BZX79-B11

0.6V

7366
BC558

4.4V

7376

!

BT151

7364
BC548

18k

22k

2357
1µ

18V

0.6V

3374
330

2374
1n

4.8V

47k

0.6V

1µ

63616360

-

~

3382

6.8k

3386

100

4.8V

2378
220µ

5.6V

3362
47k

3363
82k

3364
1k

+24V

+16V

+12V

2368
100µ

STBY

+5.6V

ART

HALL-A (DECK-A)

SLEEP

RESET

SLEEP

T147

T148

4709

4708

1k

1k

2

1

TO/FROM POWER BOARD AF P

NTC

PWI

7374
BC558

6391

BZX79-C4V7

NTC

PWI

+µP

3607

47k

3606

47k

4691 4.7k

4662 4.7k

4663 4.7k

4687 4.7k

4686 1k

4685 2.2k

4684 2.2k

4683 10k

4682 1k

47k

PWI

4704

1k

3608

T145

4681 4.7k

4680 1k

4679 1k

4677 1k

4676 1k

4675 27k

4674 1k

4673 1k

4672 1k

4671 1k

4670 10k

D

N

+µP

µP-DATA2

4712

1k

D

T143

T144

6

5

D

D

D

4678 1k

10n

+5.6V

T142

7

1k

T149

3

2591

10n

4688

22k

WAKEUP

4707

1k

T146

4

To Control-Board

D

5791

8MHz

2590

8

-30V

4.5V AC

6392

1N4148

2390

6393

1N4148

47µ

4.5V AC

To CD-Part

POSITION-MOTOR

TRAY-MOTOR

SILD

POSITION-MOTOR

TRAY-MOTOR

SILD

KEY-STROBE

KEY-ON

4630

4692

1k

1k

26

25

I/O PORT3

Open Drain

Int3

RESET

TMP879971F

Tri-State

I/O PORT1

Int2

Int1

Open
Drain

I/O PORT5

79

80

4668

3605

1k

10k

3795

10k

NK

CRO2-B

µP-STROBE

4711

1k

-30V
F2

T139

12

14

13

SIDA/DA

SICL/CL

SIDA/DA

SICL/CL

MUTE

4693

100k

28

27

7690

77

78

4667

4.7k

S-ANALYZER

F1

15

MOTOR

4694

1k

4666

2.2k

NTC

1750

No Karaoke:

NK

STORE

H-POS

SW1

SW2

SW3

RAB

H-POS

SW1

SW2

SW3

RAB

POSITION-

MOTOR

TRAY-

ALC-EN

STBY

4696

4695

220

1k

30

29

Tri-State Open source

2.2µ

4697

100n

1k

D

32

31

COUNTER

TIMER/

16 BIT

5790

2794

+µP

33

V

DD

CLOCK/TIMING CONTROLLER

(I/O PORT2)

CONTROLLER

INTERRUPT

CONVERTER

6 BIT A/D-

COUNTER

TIMER/

8 BIT

Open Drain w. progr. pull down

I/O PORT4

72

73

74

75

76

4664

4665

2.2k

10k

KEY-SENSE

MIC-SENSE

D

CD-Graphics:

Non CD-Graphics:

3600

4690

47k

470

+µP

STBY-AMP

MO

7701

BC848C

Non DOLBY:

Incredible Sound:

I

DOLBY:

4689

1k

VOCAL-C

DD

N

G

I

NG

DISC-DETECT

DISC-COUNT

CENTER-P-O

DISC-DETECT

DISC-COUNT

CENTER-P-O

STORE

KILL

RAB

SILD

SICL/CL

4699

4700

4698

220

34

4701

220

1k

220

37

36

35

I/O PORT6I/O PORT0

w.PD to VKK

512x8 BIT

(RAM)

70

4660

4661

1k

1k

VOCAL-A

VOCAL-B

24k x 8 BIT

COUNTER

69

4659 220

SIDA/DA

(ROM)

PROGRAM

68

4658 1k

CDC-LED

CPU

71

STBY-AMP

PWI

4720

390k

STBY-AMP

PWI

VERSIONS:

REC

DATA MEMORY

PROGR MEMORY

PLAY deck 1

REC

4721

100k

38

(70k)

67

4657 1k

CRO2-A

STBY

STBY

measured during

To TAPE Signal Part

ALC-EN

DOLBY

CR

ALC-EN

DOLBY

CR

STORE

CD-STBY

MO

4716

4703

1k

1k

39

40

I/O PORT7

Open Source with

prog. pull down to VKK

I/O PORT8 I/O PORT9

(80k)

V

KK

65

66

4656 1k

D

(DECK-B)

MODE-A

(TAPE)

CLIPPING

NTC

KEY-ON

CLIPPING

NTC

DC voltages

V

EVM

3A1

3A2

3A1

3A2

3677

3743

3744

3748

4124

4223

4322

4421

4520

4619

4718

4817

4916

5015

5114

5213

5312

5411

5510

569

578

587

596

605

614

623

632

641

3609

10k

4631

10k

4718

10k

4719

10k

KEY-STROBE

KEY-ON

KEY-STROBE

3A0

3A0

1N4148

+µP

3609 4719

3670 5790

3674

4632 1k

4633 1k

4634 1k

4635 1k

4636 1k

4637 1k

4638 1k

4639 1k

4640 1k

4641 1k

4642 1k

4643 1k

4644 1k

4645 1k

4646 1k

4653 47k

4651 1k

4647 1k

4648 1k

4649 1k

4650 1k

4652 1k

4654 1k

4655 1k

KEY-CLOCK

VOCAL-A

KEY-CLOCK

VOCAL-A

To KaraokeTo Power Part

2A1

2A2

2A1

2A2

from Combi Source sel.

6792

+µP to: 3600 3751

3605 3759

3606 3886

3607 4631

3608 4718

INNERSWITCH

+µP

D

D

KEY-DATA

VOCAL-B

VOCAL-C

KEY-DATA

VOCAL-B

1A1

2A0

1A1

2A0

1833

+5.6V

+12V

To: 1750 (Pin 7)

To: 3798

6792

EJECT

CENTER-P-O

SW3

SW2

SW1

H-POS

2A0

2A1

3A2

3A1

3A0

2A2

1A1

1A0

SOL-A

MOTOR

TAPE-B

B-REC-FWD

MODE-B

B-REC-RVS

SOL-B

TAPE-A

P

9595

SHIELDING-LAYER

(DIGITAL-GND)

GND-SD

KEY-SENSE

MIC-SENSE

VOCAL-C

MIC-SENSE

KEY-SENSE

1A0

1A0

+16V

To: 7663

B-REC-RVS

CRO2-B

MODE-B

TAPE-B

HALL-B

B-REC-FWD

HS

MOTOR

SOL-B

HS

CRO2-A (DECK-B)

MODE-A

TAPE-A

HALL-A (DECK-A)

SOL-A

P

BC848C

7650

47k

47k

0.7V

3686

3740

Tape Electronic

Vcc

GND

TAPE-B

HALL

SOL-B

REC.FWD

EOT-B

M

REC.RVS

NC

MODE-B

CRO2-B

COMMON

Motor L

Motor H

VCC-B

1741

13

T113

+µP

3676 1k

3678 1k

3677

47k

T117

T115

3674 1k

3675 1k

+µP

T116

T114

T120

T119

T118

P

3673 1k

T121

T122

T123

3672

100k

T124

3671 1k

1

2

3

4

5

6

7

8

9

10

11

12

DECK-B

High Speed

3682 DD

10k

3679

47k

1N4148

BC848C

P

BC848C

P

1k

15k

4.7k

6651

4.7k

7652

7654

3745

3744

3680

5.5V

3681

0V

0V

11

CRO2-A

1k

+µP

6.2V

6.2V

+MOTOR

11.1V

11.1V

10

MODE-A

3749

+µP

9783

N

BC858C

7651

3684

10k

Normal Speed

3687

1k

8

9

NC

COMMON

3759

1k

32

1

3683

5.6k

32

1

3685

4.7k

10.4V

7

NC

L+M

3688

100k

6

VCC-A

9784

+MOTOR

11.0V

11.1V

1k

5

GND

9790

P

P

P

1N4002

BC807-40

7653

+MOTOR

11.1V

3741

100k

4

TAPE-A

3746

1k

3689

100k

6790

3742

HALL

3

SOL-A

0V

100k

BC807-40

7655

11.1V

Tape Electronic

Vcc

1

2

NC

EOT-A

3747

+MOTOR

1742

DECK-A

P

3760

100k

P

6791

0V

1N4002

0V

3796

1k

P

7662

BC848C

+12V

11.1V

3798

100

11.8V

11.1V

100k

3797

BC807-40

11.1V

BD437

17.9V

+16V

7661

9704

7663

7659

7655

+MOTOR

Heat sink

To: 3681

7653

DW_SE7/2003

10