Panasonic SL-SV550P User manual

http://servis-manual.com/

Service Manual

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AD0302029C1

Portable CDPlayer

lSL-SV550P

SL-SV550PC

Colour

(S)..........SilverType

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http://servis-manual.com/

7.1Howtodisplayautomaticadjustment

results

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1.Setpowersourcevoltageto4.5VDC.(ACadaptorIN)

2.Loadthetestdisc(SZZP1054C).

3.PresstheVOL-and S-XBSbuttonssimultaneouslyand holdthem,and additionallypressthe

(PLAY/PAUSE)button.

4.Pressthe

(STOP/OPROFF)button once.

5.Anautomaticadjustmentresult isdisplayedontheLCD.

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http://servis-manual.com/

7.2Display ofautomaticadjustmentresults

(Self-CheckFunction)

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Followthebelowstepswhen E-1isdisplayed.

(Cause:Focusbalance(FBC)issetbeyond thelimit.)

lCheckif

1.thewaveformorvoltageofthefocusservo circuitiscorrect,and

2.theopticalpick-up returnstothenormalstateby exchangingthetraversedeck.

Followthebelowstepswhen E-4isdisplayed.

(Cause:Focusgain(FGC)issetbeyond thelimit.)

lCheckif

1.thewaveformorvoltageofthefocusservo circuitiscorrect,

2.thefocuscoil oftheopticalpick-up iscorrect(around 8 ohms),and

3.theopticalpick-up returnstothenormalstateby exchangingthetraversedeck.

Followthebelowstepswhen E-Fisdisplayed.

(Cause:All adjustments(TGC,FGC,TBC,FBC)aresetbeyond thelimit.)

lCheckif

http://servis-manual.com/

1.theopticalpick-up returnstothenormalstateby exchangingthetraversedeck, and

2.thewaveformorvoltageoftheservo ICsarecorrect.

Note:

Itisnotalwaysnecessarytoexchangethetraversedeckwhenanerrormessageisdisplayed.

Besuretocheckifthecircuit isdefectiveornotbeforeexchangingthetraversedeck.

Note:

Ifanyotherdiscthanthetestdisc(SZZP1054C)isused, anerrormessagemaybedisplayed.

Thisisnotamalfunction.

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http://servis-manual.com/

8Display ofSelf-DiagnosticFunction

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Thisunit (SL-SV550)hasself-diagnosticfunction. Itmaydisplaybelow-mentioned on theLCDof

thisunit.

lThesubstanceofself-diagnosticdisplay.

LCDdisplay

(PressPLAY and STOPbutton.After15 seconds,itisdisplayedfor2 seconds.)

Incaseofthisdisplay,itmaybecausingforabnormallymovementsoftraversedeck, touching

failureofRESTdetectswitchand comingofforcuttingofftheflexibleP.C.B..Itisnecessaryfor

confirmation orrepairandreplacementeachparts.

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121110987654321

FOCUS

COIL

TRACKING

COIL

FP101

IC101

AN22003A-NF

SERVO AMP

R304 1M

IC301

C2BBGE000658

SYSTEM CONTROL

6162636465666768697071727374757677787980

4039383736353433323130292827262524232221

1SEG10

SEG11

SEG12

SEG13

SEG14

SEG15

SEG16

X3SEL

PMSEL

PMSEL2

CHGSEL

RAMSEL

CHGSEL2

GUP

ZAN

MUTE

POWER

CHG

MACASEL

HOLD

A.SHOCK

REST

Vss

X OSC OUT

X OSC IN

EXT-OUT

EXT-IN

/RESET

TYPESEL

WLSRCN

BLKCK

STAT

MDATA

MCLK

MLD

TCLK

TDATA

ECS

TSENSE

INT

CHARGE2

BUZ

CHARGE1

OPEN

PDOWN

KEY2

KEY3

VMON

VMON2

DOCTOR

BUSY

VL2

VL3

COM0

COM1

COM2

COM3

AVss

VREF

Vcc

SEG1

SEG2

SEG3

SEG4

SEG5

SEG6

SEG7

SEG8

SEG9

SEG0

VL1

SEG17

R313

100K

R363

100K

C301

MPD

GND

VREF

Vcc

TR+

FO+

TRV

TRV+

SP+

GND

REST

TRAVERSE

MOTOR S202

(REST SWITCH)

SPINDLE

MOTOR

Q102

XP152A12C0MR

POWER SUPPLY

12345678910111213141516

17 18 19 20 21 22 23 2524 26 27 28

LDON=H

NRFDET

OFT CONT

DCDET

3TOUT

CEA

ARF

CAGC

RF IN

RF OUT

EQSW

Vcc

GND

PDOWN=H

VREF

TEIN

GCTL

FBAL

TBAL

PDE

PDF

PDB

PDC

PDA

SHARP=H

OFTR

BDO

29 30 31 32

FEIN

Q201

2SB709ATX

LASER POWER

DRIVE R201

2.2

C201

6.3V47

S201

(LASER ON/ OFF)

SL101

R202

22K D101

MA111TX

ABCDEFGH IJ

C103

0.022

C114

C507

4V100

R110

DAX

C104

C116 0.022

C117 0.022

C113

C105

C111

0.022

C112

1200P

R122

22K

R120

3.3K

R121 39K

C121

560P

C120 3300P

IC302

AK93C45BH-L

EE PROM

4DO

CLK

CS Vcc

GND

R361

C321

R325

33K

MNO

aRSTU VW

QSD

VREF

1 2 3 4 5 6

789101112

MPD

GND

Vcc

CD EFG

OPTICAL PICK-UP

SL-SV550(P,PC) CIRCUIT DIAGRAM

CIF H E G BLQ

R362

100K

R354

IC303

XC61CN2102MR

RESET

C302

R372

10K

R365

100K

R300

Q302

UN5214TX

SWITCHING

Q303

UNR521000L

INTERFACE

IC102

C0ABAA000068

OPE.AMP

C101

0.1

C106

0.1

R130

100K

R101

10K

C102

0.1

R103

5.6K

C107

10P

0.22

R220

R364

10K

21 3

OUT GND VDD

R353

R351

INPUT +INPUT

GND

OUT PUTV+

PLAY

2ms. 20mV/DIV.

50mV

P-P

PLAY 0.1V

P-P

2ms. 0.1V/DIV.

PLAY

20mV

P-P

0.5 s. 20mV/DIV.

2.9V0.9V

2.4V

(2V)

(1.9V)

2.8V

(2.8V)

2.9V

0V (2.9V)

0.6V

2.8V

2.9V

2.8V

1.2V

1.4V

(0V)

2.9V0V

2.9V

1.8V

2.9V

2.8V

2.6V

1.8V

2.9V

2.8V

1.7V

1.9V

(1.3V)

:POSITIVE VOLTAGE LINE :CD PLAYBACK SIGNAL LINE

2.8V

(2.8V)

(0V)

1.4V

(1.8V)

1.4V

(1.7V)

1.4V

(1.6V)

1.4V

(2V)

1.4V

(2V)

1.4V

(1.4V)

1.7V

(1.7V)

(0V)

1.4V

(1.4V)

1.4V

(1.4V)

1.4V

(1.4V)

1.4V

(1.4V)

1.4V

(1.4V)

(0V)

(2.8V) 2.5V

(0V) 2.7V

(0V) 0V

(0V) 1.5V

(1.5V) 1.4V

(1.4V) 1.1V

(1.2V) 1.3V

(1.4V) 0.5V

(1.1V) 1.8V

(1.8V) 1.6V

(1.8V) 0V

(2.9V) 2.8V

(2.8V) 2.4V

(2V) 2.8V

(2.6V)

2.8V

(2.8V)

(0.6V)

(0.6V) 0V 0V

0V 0V

2.9V

(2.9V)

0V (2.8V)

(1.2V)

0V (1.4V)

(2.8V)

0V 2.9V(2.9V) 0V 0V

2.9V(2.9V) 0V 0V

(1.9V) 0V

2.9V(2.9V)

0V (1.7V)

0.6V

0.6V (2.8V)

(2.9V)

0.5V(0.5V)

0V (1.8V)

(2.6V)

0V (2.8V)

0V (2.9V)

(2.9V) 0V

(2.9V)

(1.8V)

(0V)

1.7V

0.9V

(0.9V)

2.4V

2.4V 1.9V

(1.9V) 0V

2.8V

(2.8V)

2.9V

(2.9V)

CD LINE+B

PLAY

T 4ms.

1.8V

0.2 s. 50mV/DIV.

PLAY 1.2V

0.2 s. 20mV/DIV.

PLAY

1.6V

(1.6V)

1.5V

(1.5V)

1.5V

(1.5V)

121110987654321

FOCUS

COIL

TRACKING

COIL

FP101

IC101

AN22003A-NF

SERVO AMP

R304 1M

IC301

C2BBGE000658

SYSTEM CONTROL

6162636465666768697071727374757677787980

4039383736353433323130292827262524232221

1SEG10

SEG11

SEG12

SEG13

SEG14

SEG15

SEG16

X3SEL

PMSEL

PMSEL2

CHGSEL

RAMSEL

CHGSEL2

GUP

ZAN

MUTE

POWER

CHG

MACASEL

HOLD

A.SHOCK

REST

Vss

X OSC OUT

X OSC IN

EXT-OUT

EXT-IN

/RESET

TYPESEL

WLSRCN

BLKCK

STAT

MDATA

MCLK

MLD

TCLK

TDATA

ECS

TSENSE

INT

CHARGE2

BUZ

CHARGE1

OPEN

PDOWN

KEY2

KEY3

VMON

VMON2

DOCTOR

BUSY

VL2

VL3

COM0

COM1

COM2

COM3

AVss

VREF

Vcc

SEG1

SEG2

SEG3

SEG4

SEG5

SEG6

SEG7

SEG8

SEG9

SEG0

VL1

SEG17

R313

100K

R363

100K

C301

MPD

GND

VREF

Vcc

TR+

FO+

TRV

TRV+

SP+

GND

REST

TRAVERSE

MOTOR S202

(REST SWITCH)

SPINDLE

MOTOR

Q102

XP152A12C0MR

POWER SUPPLY

12345678910111213141516

17 18 19 20 21 22 23 2524 26 27 28

LDON=H

NRFDET

OFT CONT

DCDET

3TOUT

CEA

ARF

CAGC

RF IN

RF OUT

EQSW

Vcc

GND

PDOWN=H

VREF

TEIN

GCTL

FBAL

TBAL

PDE

PDF

PDB

PDC

PDA

SHARP=H

OFTR

BDO

29 30 31 32

FEIN

Q201

2SB709ATX

LASER POWER

DRIVE R201

2.2

C201

6.3V47

S201

(LASER ON/ OFF)

SL101

R202

22K D101

MA111TX

ABCDEFGH IJ

C103

0.022

C114

C507

4V100

R110

DAX

C104

C116 0.022

C117 0.022

C113

C105

C111

0.022

C112

1200P

R122

22K

R120

3.3K

R121 39K

C121

560P

C120 3300P

IC302

AK93C45BH-L

EE PROM

4DO

CLK

CS Vcc

GND

R361

C321

R325

33K

MNO

aRSTU VW

QSD

VREF

1 2 3 4 5 6

789101112

MPD

GND

Vcc

CD EFG

OPTICAL PICK-UP

SL-SV550(P,PC) CIRCUIT DIAGRAM

CIF H E G BLQ

R362

100K

R354

IC303

XC61CN2102MR

RESET

C302

R372

10K

R365

100K

R300

Q302

UN5214TX

SWITCHING

Q303

UNR521000L

INTERFACE

IC102

C0ABAA000068

OPE.AMP

C101

0.1

C106

0.1

R130

100K

R101

10K

C102

0.1

R103

5.6K

C107

10P

0.22

R220

R364

10K

21 3

OUT GND VDD

R353

R351

INPUT +INPUT

GND

OUT PUTV+

PLAY

2ms. 20mV/DIV.

50mV

P-P

PLAY 0.1V

P-P

2ms. 0.1V/DIV.

PLAY

20mV

P-P

0.5 s. 20mV/DIV.

2.9V0.9V

2.4V

(2V)

(1.9V)

2.8V

(2.8V)

2.9V

0V (2.9V)

0.6V

2.8V

2.9V

2.8V

1.2V

1.4V

(0V)

2.9V0V

2.9V

1.8V

2.9V

2.8V

2.6V

1.8V

2.9V

2.8V

1.7V

1.9V

(1.3V)

:POSITIVE VOLTAGE LINE :CD PLAYBACK SIGNAL LINE

2.8V

(2.8V)

(0V)

1.4V

(1.8V)

1.4V

(1.7V)

1.4V

(1.6V)

1.4V

(2V)

1.4V

(2V)

1.4V

(1.4V)

1.7V

(1.7V)

(0V)

1.4V

(1.4V)

1.4V

(1.4V)

1.4V

(1.4V)

1.4V

(1.4V)

1.4V

(1.4V)

(0V)

(2.8V) 2.5V

(0V) 2.7V

(0V) 0V

(0V) 1.5V

(1.5V) 1.4V

(1.4V) 1.1V

(1.2V) 1.3V

(1.4V) 0.5V

(1.1V) 1.8V

(1.8V) 1.6V

(1.8V) 0V

(2.9V) 2.8V

(2.8V) 2.4V

(2V) 2.8V

(2.6V)

2.8V

(2.8V)

(0.6V)

(0.6V) 0V 0V

0V 0V

2.9V

(2.9V)

0V (2.8V)

(1.2V)

0V (1.4V)

(2.8V)

0V 2.9V(2.9V) 0V 0V

2.9V(2.9V) 0V 0V

(1.9V) 0V

2.9V(2.9V)

0V (1.7V)

0.6V

0.6V (2.8V)

(2.9V)

0.5V(0.5V)

0V (1.8V)

(2.6V)

0V (2.8V)

0V (2.9V)

(2.9V) 0V

(2.9V)

(1.8V)

(0V)

1.7V

0.9V

(0.9V)

2.4V

2.4V 1.9V

(1.9V) 0V

2.8V

(2.8V)

2.9V

(2.9V)

CD LINE+B

PLAY

T 4ms.

1.8V

0.2 s. 50mV/DIV.

PLAY 1.2V

0.2 s. 20mV/DIV.

PLAY

1.6V

(1.6V)

1.5V

(1.5V)

1.5V

(1.5V)

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

VDD

12345910111213

14 15 16 17 18 22 23 24 25 26

NRAS

NWE

DQ0

VDD

NOE

NCAS

DQ2

DQ3

VSS

8 6

19 21

A10A8

NCA9

DQ1

VSS

R511 2.2K

R603

560

C504

0.1

R502

68K

C502

6.3V100

C610

6.3V47

R512

2.2K

R514

330 C514

1000P

C505

0.015

C511

0.1

R505

560

C509

0.1

C603

2700P

C604

2700P

C524

1234567891011121314151617181920

41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60

8021

EXT2

DVDD1

DVss1

NTEST

SBCK

SUBC

DQSW/ NCLDCK

PMCK

SPPOL

NRST

STAT

DMUTE

SMCK

PWMSEL

BLKCK

MLD

MDATA

MCLK

AVDD2

AVSS2

EXT1

EXT0

FCLK

FLAGO

AD PVCC

DSLF

DRF/ RFSW

PLLF

VCOF/PLLFO

OUTL

AVSS1

OUTR

AVDD1

DVss3

TMOD1/DVDD3

TMOD2

IOVDD2

TRV+

TRV

TR+

FO+

FBAL

TBAL

DVDD2

LDON

IREF

ARF

BDO

SPOUT

RFENV

OFT

NRFDET

IOVDD1

VSS2

DVDD3V

NWE

NRAS

NCAS0

NCAS1

PRQOABCDK

X501

(16.9344MHz)

C503

390P

C519

IC11

AN41506A-VB

POWER SUPPLY/

MOTOR DRIVE

C510

0.1

Q18

UN5113TX

RESET

IC501

MN6627911AC1

SERVO PROCESSOR /

DIGITAL SIGNAL PROCESSOR /

DIGITAL FILTER & D/A CONVERTER

12345678910 11 12

36 35 34 33 32 31 30 29 28 27 26 25

PVcc2

RESET1

CLK

GND

SPPOL

SPOUT

TRV+

TRV

TR+

FO+

MON

FO+

GND

TR+

PVC0

TRV+

TRV

GND

SP+

SOFT

SPRT

RESET2

OFF/START

CD/TU

VMIC

V MIC IN

CHARGE

AVcc

CRP

PVcc1

VSUB

SSW

SVcc

USW

GND

DSW

PVcc

REGB

C22

0.1

C20 1

C17 1

L11

L13C16

C11

C27

6.3V1000

C12

10V4.7

C24 390P

C21

0.01

R22

22K

L12

IC13

C0CBAAC00046

REGULATOR

31 2

GND OUT IN

C13

10V47

C14

6.3V220

VDD

C39

0.1

IC502

C3ABMB000027

16M DRAM

ABCDEFGHI JKLMNOPQR

MNLEJIHGF

C501

0.1

C33

1000P

FGIHDEBC

R509

330

C526

GND

SL-SV550(P,PC) CIRCUIT DIAGRAM

C515

R513

150K

C10

120P

R47

3.9K

R45

47K

C37

0.1

C19

6.3V22

C43

0.1

C530

0.1

OQ19

UNR521000L

RESET

Q301

UNR521000L

RESET

C751

1R751

15K

C750

1R750

15K Q703

XP0121000L

VOICE GAIN-UP

R709

1.2K

R713

5.6K

R714

5.6K

R715

1.2K

C712

C711

R761

1.5K

R760

1.5K Q902

XP0121000L

MUTING CONT.

D701

MA111TX

Q731

2SC3931CTX

SWITCHING

IC701

C1BB00000720

HEADPHONE AMP

C730

6.3V10

C904

0.1

R905

33K

Q701

B1ADMB000003

POWER SUPPLY

R725

47K

R726

2.2K

C1251

1000P

R731

10K

C732

4V47

C702

C703

R720

C720

0.1

C705

4V220 R705

3.3

R707

R708

R706

3.3

C706

4V220

R721

C721

0.1

12345

109876

BIAS

REG

VREF

AMP

V+1 V+2

GND

R31

33K

R600

PLAY

20mV

P-P

0.5 s. 20mV/DIV.

0V(0.1V)0V

1.4V

2.8V

5.7V

(0.6V)

2.8V

0V(0.6V)

5.1V

2.8V

2.6V

2.9V

3.3V

2.8V

0.5V

2.6V

2.9V

0.6V

0.9V

2.9V

(2.3V)

2.4V

1.8V

2.9V

1.4V

2.8V

1.3V

2.9V

(1.3V)

0.1V

2.8V

0V(1.2V)

(1.2V)

(2V)

(1.4V)

(1.8V)

(2V)

(1.1V)

(1.2V)

(0.5V)

(1.1V)

(1.1V)2.9V

1.8V

1.5V

2.9V

1.4V

(1.3V)

1.8V

2.9V

1.4V

1.7V

1.4V

2.7V

2.5V

1.4V

(0.6V)

(0V)

(1.4V)

(0V)

(2.8V)

(2V) 0V

(1.1V) 2.9V

(1.1V)

2.8V

:POSITIVE VOLTAGE LINE :CD PLAYBACK SIGNAL LINE :FM SIGNAL LINE :MAIN(CD,FM) SIGNAL LINE

2.8V

0.6V0.6V0.7V

(1.2V)

1.3V

(2.3V)

2.4V

2.8V

0.6V 0.6V 0.6V0V

(2.4V)

2.4V

(2.4V) 2.4V

2.4V

0V 2.4V

(2.4V) 2.4V

2.9V

(0V)

2.2V

2.9V2.9V (2.9V)(2.9V)

(2.2V)

2.9V

(2.9V)

1.8V

(1.8V)

2.8V

0V2.8V

1.7V

(2.8V)

2.8V

0.7V

(0.7V)

(1.4V) 0V

(5.3V) 5.9V 6V

5.3V

(4.6V)

(3V)

0V 0V

LINE

(0.9V)

0V 0V (0.6V)

0V 0V

(2.9V)

0V 0V 0V

(0V)

2.8V

2.8V 2.8V (0V)

(0.5V)

(2.6V)

(3.3V)

(2.9V)

0V (2.6V)

0V 2.9V

(2.9V)

2.6V

(2.6V)

6.1V

(6.1V)

2.3V

1.4V(1.4V)

0V 0V

(0.1V)

0V 0V

CD LINE+B

(2.8V)

(0V)

(2.8V)

(0V)

(1.4V)

(2.8V)

(0V)

(1.4V)

(2.9V)

(1.8V)

2.9V(2.9V)

(2.6V)

(1.8V)

(0V)

(0.1V)

(2.9V)

(1.7V)

(1.4V)

(0V)

(1.4V)

(1V)

(1.4V)

(2.8V)

(1.5V)

(3V)

(1.8V)

(2.9V)

0.6V

(0.6V)

0.6V

(0.6V)

(0V)

(2.9V)

(1.1V)

0.1V

(0.5V)

2.8V

(2.6V)

(1.2V)

2.9V

(2.9V)

(1.2V)

2.8V

(2.6V)

(2V)

(1.8V)

(1.4V)

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

VDD

12345910111213

14 15 16 17 18 22 23 24 25 26

NRAS

NWE

DQ0

VDD

NOE

NCAS

DQ2

DQ3

VSS

8 6

19 21

A10A8

NCA9

DQ1

VSS

R511 2.2K

R603

560

C504

0.1

R502

68K

C502

6.3V100

C610

6.3V47

R512

2.2K

R514

330 C514

1000P

C505

0.015

C511

0.1

R505

560

C509

0.1

C603

2700P

C604

2700P

C524

1234567891011121314151617181920

41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60

8021

EXT2

DVDD1

DVss1

NTEST

SBCK

SUBC

DQSW/ NCLDCK

PMCK

SPPOL

NRST

STAT

DMUTE

SMCK

PWMSEL

BLKCK

MLD

MDATA

MCLK

AVDD2

AVSS2

EXT1

EXT0

FCLK

FLAGO

AD PVCC

DSLF

DRF/ RFSW

PLLF

VCOF/PLLFO

OUTL

AVSS1

OUTR

AVDD1

DVss3

TMOD1/DVDD3

TMOD2

IOVDD2

TRV+

TRV

TR+

FO+

FBAL

TBAL

DVDD2

LDON

IREF

ARF

BDO

SPOUT

RFENV

OFT

NRFDET

IOVDD1

VSS2

DVDD3V

NWE

NRAS

NCAS0

NCAS1

PRQOABCDK

X501

(16.9344MHz)

C503

390P

C519

IC11

AN41506A-VB

POWER SUPPLY/

MOTOR DRIVE

C510

0.1

Q18

UN5113TX

RESET

IC501

MN6627911AC1

SERVO PROCESSOR /

DIGITAL SIGNAL PROCESSOR /

DIGITAL FILTER & D/A CONVERTER

12345678910 11 12

36 35 34 33 32 31 30 29 28 27 26 25

PVcc2

RESET1

CLK

GND

SPPOL

SPOUT

TRV+

TRV

TR+

FO+

MON

FO+

GND

TR+

PVC0

TRV+

TRV

GND

SP+

SOFT

SPRT

RESET2

OFF/START

CD/TU

VMIC

V MIC IN

CHARGE

AVcc

CRP

PVcc1

VSUB

SSW

SVcc

USW

GND

DSW

PVcc

REGB

C22

0.1

C20 1

C17 1

L11

L13C16

C11

C27

6.3V1000

C12

10V4.7

C24 390P

C21

0.01

R22

22K

L12

IC13

C0CBAAC00046

REGULATOR

31 2

GND OUT IN

C13

10V47

C14

6.3V220

VDD

C39

0.1

IC502

C3ABMB000027

16M DRAM

ABCDEFGHI JKLMNOPQR

MNLEJIHGF

C501

0.1

C33

1000P

FGIHDEBC

R509

330

C526

GND

SL-SV550(P,PC) CIRCUIT DIAGRAM

C515

R513

150K

C10

120P

R47

3.9K

R45

47K

C37

0.1

C19

6.3V22

C43

0.1

C530

0.1

OQ19

UNR521000L

RESET

Q301

UNR521000L

RESET

C751

1R751

15K

C750

1R750

15K Q703

XP0121000L

VOICE GAIN-UP

R709

1.2K

R713

5.6K

R714

5.6K

R715

1.2K

C712

C711

R761

1.5K

R760

1.5K Q902

XP0121000L

MUTING CONT.

D701

MA111TX

Q731

2SC3931CTX

SWITCHING

IC701

C1BB00000720

HEADPHONE AMP

C730

6.3V10

C904

0.1

R905

33K

Q701

B1ADMB000003

POWER SUPPLY

R725

47K

R726

2.2K

C1251

1000P

R731

10K

C732

4V47

C702

C703

R720

C720

0.1

C705

4V220 R705

3.3

R707

R708

R706

3.3

C706

4V220

R721

C721

0.1

12345

109876

BIAS

REG

VREF

AMP

V+1 V+2

GND

R31

33K

R600

PLAY

20mV

P-P

0.5 s. 20mV/DIV.

0V(0.1V)0V

1.4V

2.8V

5.7V

(0.6V)

2.8V

0V(0.6V)

5.1V

2.8V

2.6V

2.9V

3.3V

2.8V

0.5V

2.6V

2.9V

0.6V

0.9V

2.9V

(2.3V)

2.4V

1.8V

2.9V

1.4V

2.8V

1.3V

2.9V

(1.3V)

0.1V

2.8V

0V(1.2V)

(1.2V)

(2V)

(1.4V)

(1.8V)

(2V)

(1.1V)

(1.2V)

(0.5V)

(1.1V)

(1.1V)2.9V

1.8V

1.5V

2.9V

1.4V

(1.3V)

1.8V

2.9V

1.4V

1.7V

1.4V

2.7V

2.5V

1.4V

(0.6V)

(0V)

(1.4V)

(0V)

(2.8V)

(2V) 0V

(1.1V) 2.9V

(1.1V)

2.8V

:POSITIVE VOLTAGE LINE :CD PLAYBACK SIGNAL LINE :FM SIGNAL LINE :MAIN(CD,FM) SIGNAL LINE

2.8V

0.6V0.6V0.7V

(1.2V)

1.3V

(2.3V)

2.4V

2.8V

0.6V 0.6V 0.6V0V

(2.4V)

2.4V

(2.4V) 2.4V

2.4V

0V 2.4V

(2.4V) 2.4V

2.9V

(0V)

2.2V

2.9V2.9V (2.9V)(2.9V)

(2.2V)

2.9V

(2.9V)

1.8V

(1.8V)

2.8V

0V2.8V

1.7V

(2.8V)

2.8V

0.7V

(0.7V)

(1.4V) 0V

(5.3V) 5.9V 6V

5.3V

(4.6V)

(3V)

0V 0V

LINE

(0.9V)

0V 0V (0.6V)

0V 0V

(2.9V)

0V 0V 0V

(0V)

2.8V

2.8V 2.8V (0V)

(0.5V)

(2.6V)

(3.3V)

(2.9V)

0V (2.6V)

0V 2.9V

(2.9V)

2.6V

(2.6V)

6.1V

(6.1V)

2.3V

1.4V(1.4V)

0V 0V

(0.1V)

0V 0V

CD LINE+B

(2.8V)

(0V)

(2.8V)

(0V)

(1.4V)

(2.8V)

(0V)

(1.4V)

(2.9V)

(1.8V)

2.9V(2.9V)

(2.6V)

(1.8V)

(0V)

(0.1V)

(2.9V)

(1.7V)

(1.4V)

(0V)

(1.4V)

(1V)

(1.4V)

(2.8V)

(1.5V)

(3V)

(1.8V)

(2.9V)

0.6V

(0.6V)

0.6V

(0.6V)

(0V)

(2.9V)

(1.1V)

0.1V

(0.5V)

2.8V

(2.6V)

(1.2V)

2.9V

(2.9V)

(1.2V)

2.8V

(2.6V)

(2V)

(1.8V)

(1.4V)

25 26 27 28 29 30 31 32 33 34 35 36

SL-SV550(P,PC) CIRCUIT DIAGRAM

X1201

X1101

R1240

390

D1102

KV1450TL3-4 C1112

56P

R1109

470K

VR1101

300K(A)

C1123

1000P

C1103

68P

R1131

100K

C1239

0.1

R1231

C1234

0.1

C1230

0.1

C1231

0.1 R1232

10K

R1533

10K

D1101

KV1450TL3-4

C1232

0.1

C1225

Q1204

UNR521000L

SWITCHING(MONO)

C1216

0.47

R1218

C1236

1000P

X1203

C1215

10V4.7

C1212

C1235

C1242

1000P

L1157 C1157

12P

C1159

220P

R1159

470

Q1202

2SC4081STX

SWITCHING(CITY)

Q1203

UN5115TX

SWITCHING(CITY)

IC1001

C1BB00000562

FM/AM RF AMP

IF,DET

RF GND Vcc GND

RF Vcc

BUFFBUFF

FM RF FM

MIX AGC

IF AM

IF AF FM MPX

ST/ MO

FM/ AM

DET

LEVEL

DET

BUFF

1/ 16 SWST IND

TUN

IND

BUFF

MIX

OSC FM

OSC PW

12345678910 11 12 13 14 15

161718192021222324252627282930

L1156

C1111

47P

C1160

47P

R1170

R1234

47K R1233

330

R1235

220

Q1207

2SC4081STX

FILTER AMP

C1272

220P

R1130

270K

L1103

C1110

C1115

1000P

L1101

R1205

10K

C1210

10P

L1202

R1203

120

C1202

0.1

L1201

R1204

470K

Q1210

2SK1067-4-TL

AM RF AMP

C1206

0.033

D1201

KV1610STL2-0

C1204

R1202

560

C1203

0.1

C1151

0.047

R1160

10K R1151

18K

Q1151

2SK1067-4-TL

STABILIZER

C1153

1R1153

6.8K

C1155

0.01

Q1152,1153

2SD1819ASTX

FM/ AM LOOP FILTER

Q1152

Q1153

C1207

470P

R1206

220K

C1229

8200P C1228

8200P

C1250

220P

C1221

0.01

Q1208

UN5115TX

SWITCHING(AM:ON)

Q1206

UN5115TX

SWITCHING

(AM:ON)

R1155

4.7

C1105

4V22

C1200

4V47

C1271

L1102

C1036

39P

R1024

220

D1010

MA147TX

D1011

MAZ812000L

C1032

R1022

100K

C1033

100P R1021

33K

R1023

220 C1023

22P

C1037

0.01

C1035

0.022

C1030

6.3V47

R1025

4.7

Q1013

2SC4081STX

DC-DC CONV.

Q1012

2SC4081STX

DC-DC CONV.

C1038

C1034

0.01

C1508

4V22

C1507

0.1

C1506

0.1 R1502

6.8K

C1505

5600P

C1504

0.47

R1501 1M

C1500

6.3V10

C1501

5600P

C1502

0.1

C1503

0.1

R1500

6.8K

IC1500

C0ZBZ0000515

TONE CONTROL

12345678

16 15 14 13 12 11 10 9

IN-L

TREBLE-L

BASSI-L

BASSO-L

OUT-L

SDA

SCL

ALC

IN-R

TREBLE-R

BASSI-R

BASSO-R

OUT-R

CREF

GND

C1510

R1510

2.2K

Q1500

UN511MTX

POWER SUPPLY

Q1501

UN511MTX

POWER SUPPLY

Q1502

UN5214TX

POWER SUPPLY

CONT.

C1512

1000P

R1520

33K

C1509

1R1509

2.2K

C1511

1000P

R1521

33K

Q1504

2SK1958T1

SWITCHING

Q1503

2SK1958T1

SWITCHING

HN I

R1154

3.3K

OP Q RK

IC1008

C0CBAAB00039

REGULATOR

31 2

Vss V OUT V IN

C1520

R1504

100K

C1521

C1223

0.047

Q1201

2SB815B7TX

POWER SUPPLY

R1201

4.7K

R1503

10K

FM GNDFM IN

R1230

2.7K

C1240

0.1

C1116

1000P

:POSITIVE VOLTAGE LINE :FM SIGNAL LINE

2.8V

2.8V 1V

1V 1V

1V 2.4V

2.4V 2.8V

2.8V

1V 1V

1.7V 1.7V 0V

1.7V 1.7V

2.8V

2.4V(2.3V) 2.8V

2.8V

(2.8V)

2.8V

(2.8V)

2.8V

2.8V0V(0V)

2.8V

2.8V1.7V

1.7V

(1.7V)

1.7V

0V(0V)

1.7V

TUNER LINE+B

1.7V

TUNER LINE+B

1.6V

0.3V

0.4V

1.7V

1.6V

12.9V 12.9V

12.3V

1.1V 1.1V

3.2V

6.3V

0.6V

3.2V

6.3V

3.2V

6.3V

0.6V

0.2V

FM RF ADJ.

0.5V

1.6V

1.7V

1.5V

1.6V

0.9V

1.6V

0.6V

0.5V

1.6V

0.9V

0.6V

0.9V

1.1V

0.6V

0.3V

1.1V

1.2V

0.9V

0.7V

1.6V

1.7V

1.6V

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