Panasonic SA-PM07E Manuale utente

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Service Manual

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OrderNo.MD0201005C2

CDStereoSystem

lSA-PM07E

SA-PM07EB

SA-PM07EG

Colour

(S) ...Silver Type

TapeDeck:SG2 MechanismSeries

TraverseDeck:RAE0155Z-1VTraverseDeckSeries

AmplifierSection

RMS poweroutput

THD 10%,

bothchannelsdriven7.5Wperchannel(6 )

Inputsensitivity

AUX250 mV

Inputimpedance

AUX23k

Outputimpedance

Headphone16-32

FM TunerSection

Frequencyrange87.50-108.00MHz

(0.05MHzstep)

Sensitivity1.8μV(IHF)

S/N26 dB1.5μV

Antennaterminal(s)75 (unbalanced)

AM TunerSection

Frequencyrange522-1629kHz(9 kHzsteps)

Sensitivity

S/N20 dB(at 999kHz)500μV/m

Cassette DeckSection

Tracksystem4track,2channel

Heads

Record/playbackSolidpermalloyhead

ErasureACerasehead

MotorDCservo motor

Recording systemACbias100 kHz

Erasing systemACerase100 kHz

Tapespeed4.8cm/s

Overall frequencyresponse(+3to-6dB) at DeckOut

Normal(typeI)50Hz-13 kHz

S/N52dB (Aweighted)

Wowand flutter0.15% (WRMS)

Fastforwardand rewind timesApprox.120 secondswithC-60cassette tape

CDSection

Sampling frequency44.1kHz

Decoding16bit linear

BeamsourceSemiconductor laser

Wavelength780 nm

Numberof channels2channelsstereo

Wowand flutterBelowmeasurablelimit

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10.1.1Settingofselfdiagnosis mode

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1.Removethecassettefromthedeck.

2.SwitchtoCDfunction.

3.PresstheSTOPkeyofthemainsetformorethan 2 seconds.Whilepressingthiskey,press

theFF keyon themainsetforanother2secondstoenterintotheSelf-Diagnosismode.

*EvenifSTOP/FUNCTION key ofthemain setispressedwhiletheSelfDiagnosismodeis

on,function shall notbeswitched.Instead, confirmation oferrornumbersshall begin.

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10.1.2Settingofcassette mechanismself

diagnosis mode

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1.ActivatetheSelfDiagnosismodefortheDeckand thefollowingSelfDiagnosisshall be

couducted.

A.H02 :RECINH SWabnormal

B.H03 :HALFSWabnormal

C.H04 :LOAD SWabnormal

D.F01 :Reelpulseabnormal

¡H01 :IfMODESWabnormalisdetectedduringnormaloperation, it shall be

memorized. Thedetection and memoryshall bedoneforDeck.

2.ActivatetheSelfDiagnosismodewiththeDeckunloaded.

3.Thetestmodedisplay([T]atthe1stdigit,meaningTEST)shall bemadeand detection shall

beexecutedtocheckRECINH SW,HALFSWareinOFFstate.

4.Slotacassettetape(withrecordingpreventivetabpresent)intothedeckand pushthecassette

intothedeck(LOADINGOperation shouldbeobserved).

5.Afterthisinstantwiththecassetteloadedin,RECINH SW,HALFSWshall bechecked and

confirmedatthisstageby thesoftware.PressFFkey toproceedtheself-diagnosis.TheFF

operation shallstop automaticallyafter3sec.If abnormaloperationisdetected, thetapeshall

stop automaticallyafter1seconds.DuringtheFFoperation,theReelPulseshall bechecked

by thesoftware.

6.Afterthetapestop, theErrorcodesshall bedisplayedby togglingtheSTOPkey.

¡InSelfDiagnosismode,theoperationswhicharenormallyconductedby thecassette

mechanismbasicoperation keysshall notbeexecuted. Thosekeysareusedonlyto

comfirmadiagnosisresults.Thekeysusedforotherfunctionsshall bevalid, unlessthere

aresomereason tomaketheminvalid.

¡AsHALFSWsolderpointand RECINH SWsolderpointarelocatedcloseto each

other,it’snecessarytochecktheshortingbetweentheadjacentpoints.Forthispurpose,

operation hastobeexecutedtwiceusingtwokind ofcassettes,i.e.acassettewith

recordingpreventivetabsforbothSidesA/Band acassettewitharecordingpreventive

tabforonlyeitheronesideofSidesA/B.

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10.1.3SettingofCD mechanismselfdiagnosis

mode

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F15 :CDRESTSWabnormal.

AtinitialsettingofCDtraverseposition, ifRESTSWON isnotdetectedeventhoughthefail safe

timertimeisover(10 sec),thisismemorizedasanerrorand theerrornumbercanbecleared onlyat

thestartup ofmicro-pafterreset.

H15 :CDOPENSWabnormal.

Duringnormaloperation,ifCDOPENSWONisnotdetected within4sec, thenH15 shall be

memorizedinmemory.Theerrorcodecanbeclearedonlyatthestartup ofmicro-pafterreset.

H01 :Deckoperation abnormal(reelmotor,solenoidand modeSW)

Duringnormaloperation,ifmechanismerrorprocessisexecutedonceby modeswitchagainstthe

samedeckoperation,itisjudgedasmechanismabnormalityand thisismemorizedasanerror.

Conditionsforjudgingmechanismerror:

1.ModeswitchON isnotdetected800 msafterplungeractivation forPLAY/RECprocess.

2.ModeswitchON innotdetected800 msafterplungeractivation forFF/REWprocess.Or,

ModeswitchOFFinnotdetected800 msafterplungeractivation afterdetectingModeSW

ON.Or,ModeswitchON isnotdetected800 msafterdetectingModeswitchOFF.

3.IfModeswitchcomesON atSTOP/PAUSEstate(normalcondition),thisisjudgeasError:-

A.MainpurposeforthisSelfDiagnosisistodiagnoseapartialshortofadeck.

B.Mechanicalerrorprocesscausedby EJECToperation shall notbecounted.

C.Thiserrornumbercanbeclearedonlyatthestartup ofmicro-preset.

F26 :Communication betweenCDservo LSIand micro-pabnormal

AtthetimeofswitchingtoCDfunction, SENSE=HshallbedetectedusingDTMSsystemsetting

command.IftheerrorismemorizedwhenSENSE=Lisnotdetectedwithinfailsafetimertime(20

msec),[F26]shall bedisplayedsimultaneously.Thisdisplayshall beretainedifthepowerisONand

atCDfunction.Ifthiserroroccurs,CDoperation afterwardshallnotbeexecuted asinthecaseof

[NO DISC].

Thiserrornumbercanbeclearedonlyatthestartup ofmicro-preset.

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10.1.4Confirmationofselfdiagnosis result

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1.AttheSelfDiagnosismode,errornumbershall bedisplayedeverytimeSTOP/FUNCTION

keyispressed.

Example:[TH03 ](thedisplayshallberetained)

2.TocomeoutfromtheSelfDiagnosismode,executepowerOFF.

3.EvenatpowerOFF operation,thiserrornumbersshall notbecleared(thenumbercanbe

clearedonlyatthestartup ofmicro-preset).

4.IfrepeatingSelfDiagnosis,add thenewlydetectederrorsonlywithoutdeletingerrorswhich

hasbeendetectedbefore

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11.1ErrordetectionforCassette Mechanism

block

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No. ErrorErrorDisplay Problemcondition

1Deckoperation abnormal(MODESW) H01 Referto10.1.2

2RECINH SWabnormal H02 Referto10.1.2

3HALFSWabnormalH03 Referto10.1.2

4LOAD SWabnormalH04 Referto10.1.2

5ReelpulseabnormalF01 Referto10.1.2

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11.2ErrordetectionforCD Mechanismblock

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No.ErrorErrorDisplayProblemcondition

1CDRESTSWabnormal F15Referto10.1.3

2CommunicationbetweenCDservolLSIandMicon abnormalF26Referto10.1.3

3CDOPENSWabnormal H15Referto10.1.3

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11.3PowerSupply relatederrordetection

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No.ErrorErrorDisplayProblemcondition

1PowersupplycutF76

29 22 28

7 6 5 4 3 2 1

23 24

2120

1915 16 17 18

14 13 12 11 10 9 8

IC703

R729

2.7K R728

2.2K

R727

2.7K R749

2.7K

R731

10K

R725

680

R715

R724

15K

R735

100

R736

100

R704

R744

120K

R705

150K

R702

10K

R706

R707

39K

R708

22K

C752

1500P C739

2200P

C715

2700P

C704

0.1

C742

0.027

C747

180P C710

120P

C749

2200P

C713

0.1

C707

0.027

C702 0.1

C706 2700P

C712

0.1

C711

0.1

C751

0.1

C750

0.1

C737

0.1

C736

0.1

C735

0.1

C738

0.056

C703

6.3V100

C701

6.3V33

C714

6.3V100

C734

10V220

CN701

Q701

2SA1037AKSTX

LASER POWER DRIVE

21 20 19 18 17 16

24 23 2228 27 26 25

1312

IC701

AN8885SBE1

SERVO AMP

36 37

GND

TEN

FEN

FEOUT

FBAL

TBAL

TEOUT

CEA

LPD

RFIN

PDF

PDE

PDB

PDA

VREF

ENV

OFTR

/RFDET GND

LDON

BDO

VCC

M701

TRV MOTOR

M701

SPL MOTOR

IN3

IN4

BIAS

VCC

PVCC2

IN2

GND

D4+

D4-

D3+

D3-

PGND1

PVCC1

D2+

D2-

D1+

D1-

MUTE1

MUTE2

IN1

GND

CSBRT

LASER DIODE

GND

VCC

AIN

BIN

VREF

NAOUT

GND

NBOUT

F+

F-

T+

T-

LPD

VREF

GND

LD GND

PDE

PDF

VCC

PDOWN

R754

5.6

GND

701

R732

R723

10K

C769

0.22

SCHEMATIC DIAGRAM -1

CD SERVO CIRCUIT

OPTICAL PICKUP CIRCUIT

: CD SIGNAL LINE

: +B SIGNAL LINE

R701

4.7

IC703

BA5948FPE2

BTL DRIVER IC

3.2V

2.7V

((2.3V))

0.9V

((2V))

1.6V

3.2V

0V((0.2V))

2.7V((2.3V))

0.9V((1.4V))

0.7V

1.9V

1.6V

0V((3.1V))

1.6V

0V((3.2V))

3.3V((3V))

3.3V((3.5V))

3.3V

7.3V

1.6V

3.3V((3.5V))

3.3V

3.7V((3.5V))

3.7V((4.1V))

1.6V

3.2V((0V))

1.6V

39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21

44 17

61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79

R714

R717

R709

47K

R711

82K

R721

100

R718

R712

220

R741

47K

R742

220K

R753

C722

10P C721

10P

C724

0.1

C744

5600P

C726

1000P

C725

1000P

C730

0.1 C733

0.1

C718

0.22

C716

820P

C745

0.1

C717

0.1

C753

470P

C743

0.1

C727

50V1

C728

50V1

C731

6.3V220

C723

10V220

C732

6.3V220

S701

REST SW

X701

CN702

RESY

SSEL

BYTCK

DEMPH

DVSS1

DVDD1

VDD

AVSS2

AVDD2

OUT

/CLDCK

FCLK

IPFLAG

FLAG

CLVS

CRC

/TEST

AVDD1

AVSS1

RSEL

PSEL

MSEL

BCLK

LRCK

SRDATA

MCLK

MDATA

MLD

SENSE

/FLOCK

/TLOCK

BLKCK

SQCK

SUBQ

DMUTE

STAT

/RST

SMCK

TVD

ECM

ECS

TRD

FOD

VREF

FBAL

TBAL

RFENV

VDET

OFT

TRCRS

/RFDET

BDO

LDON

WVEL

ARF

IREF

DRF

DSLF

PLLF

EFM

PCK

SUBC

SBCK

VSS

OUTR

OUTL

REST SW

PLLF2

VCOF

VCOF2

IOSEL

IOVDD

CSEL

DSLF2

KICK

TRV

/RST

STAT

SUBQ

SQCK

BLKCK

MLD

MDATA

MCLK

P.GND

+7.5V

LD SW

D.GND

+3.3V

Rch OUT

A.GND

Lch OUT

RSXZ16M9M06

TJ702

D750

MAZ80560ML

R761

4.7K

6 5

C754

470P

SCHEMATIC DIAGRAM - 2

MAIN CIRCUIT

(CN301) ON

SCHEMATIC

DIAGRAM-4

IC702

MN662790RSC

SERVO PROCESSOR

DIGITAL SIGNAL PROCESSOR/

DIGITAL FILTER/

D/A CONVERTER

CD SERVO CIRCUIT : CD SIGNAL LINE

: +B SIGNAL LINE

0V((3.2V))

1.6V

3.2V((0V))

3.2V

1.6V

3.2V

0.5V

3.2V

0V((0.2V))

3.2V((3.1V))

0V((3.1V))

3.1V

3.2V

2.9V

1.5V

2.9V

3.2V

1.5V

3.2V

0.5V

1.6V

1.5V

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