Panasonic SAPM25 - MINI HES W/CD PLAYER Manual de usuario

ORDERNO. MD0107176C3

CD StereoSystem

SA-PM25

Colour

(S)... SilverType

Area

(GD)... SouthKorea

TAPE SECTION

AR2MECHANISMSERIES

CD SECTION

RAE0155Z-1VTRAVERSE DECK SERIES

SPECIFICATIONS

Specification

AmplifierSection

Poweroutput

THD 10%, both channelsdriven

100 Hz, both channelsdriven,

(LOW) 9W (6 )

1kHz, both channelsdriven

(HIGH) 5W (6 )

Total BI-AMPpower 14 W

PMPOpoweroutput

Total BI-AMPpower 160 W

Inputsensitivity

AUX 250 mV

Inputimpedance

AUX 47 k

Outputimpedance

Headphone 16-32

FMTunerSection

Frequencyrange 87.50-108.00 MHz

(0.05 MHzsteps)

Sensitivity 1.8V(IHF)

S/N26 dB 1.5V

Antennaterminals 75 unbalanced

AMTunerSection

Frequencyrange 522-1629 kHz(9kHzsteps)

520-1630 kHz(10 kHzsteps)

Sensitivity

S/N20 dB(at999 kHz) 500 V/m

CassetteDeck Section

Track system 4 track, 2channel

Heads

Record/playback Solid permalloyhead

Erasure Doublegap ferritehead

Motor DCservo motor

Recording system ACbias 100kHz

Erasing system ACerase 100kHz

Tapespeed 4.8cm/s

Overall frequencyreponse (+3dB, -6dBatDECK OUT)

NORMAL (TYPEI) 50 Hz-13 kHz

HIGH(TYPEII) 50 Hz-13 kHz

S/Nratio 52 dB(Aweighted)

Wowand flutter 0.18 %(WRMS)

Fastforward and rewind time Approx. 120 secondswith C-60

cassettetape

CDSection

Sampling frequency 44.1kHz

Decoding 16 bitlinear

Beam source Semiconductorlaser

Wavelength 780 nm

Numberofchannels 2channelsstereo

Wowand flutter Belowmeasurablelimit

Digital filter 8 fs

D/Aconverter MASH(1bitDAC)

General

Powersupply AC220 V, 60 Hz

Powerconsumption 54 W

Powerconsumption in standby

mode 0.7W

Dimensions(WxHxD) 180 x241 x318 mm

Mass 4.6kg

Notes :

1. Specificationsaresubjectto changewithoutnotices. Mass and

dimensionsareapproximate.

2. Total harmonicdistortion ismeasured bythedigital spectrum

analyzer.

System:SC-PM25 (GD) MusicCenter:SA-PM25 (GD)

Speaker:SB-PM25 (EG)

1. BeforeRepairand Adjustment

DisconnectACpower, dischargePowerSupplyCapacitorsC512 through a10 , 5Wresistor to

ground.

DONOTSHORT-CIRCUITDIRECTLY(withascrewdriverblade, for instance), as thismay destroy

solidstatedevices.

Afterrepairsarecompleted, restorepowergraduallyusing avariac, toavoidovercurrent.

-Currentconsumption at AC220V, 60 HzinNO SIGNALmode

shouldbe~150mA.

2. Protection Circuitry

Theprotection circuitrymay have operatedifeitherofthefollowing conditionsarenoticed:

-Nosound isheardwhenthepoweristurnedon.

-Sound stopsduring aperformance.

Thefunction ofthiscircuitryistopreventcircuitrydamageif, for example, thepositive and

negative speakerconnection wires are"shorted", or ifspeakersystemswithanimpedance less

thantheindicatedratedimpedance oftheamplifierareused.

Ifthisoccurs, followtheprocedureoutlines below:

1. Turnoff thepower.

2. Determinethecause oftheproblemand correct it.

3. Turnon thepoweronce againafteroneminute.

Note:

Whentheprotection circuitryfunctions, theunitwill notoperateunless thepowerisfirstturned

off and thenon again.

3. Accessories

Note:RefertoPacking Materials&Accessories for partnumber.

RemoteControl Transmitter

ACPowerSupply

FMIndoor Antenna

AMLoop Antenna

4. Handling Precautions ForTraverse Deck

Thelaserdiodeinthetraverse deck (optical pickup)may break downduetopotential difference

causedbystaticelectricityofclothes or humanbody.

So, becareful ofelectrostaticbreakdownduring repairofthetraverse deck (optical pickup).

Handling ofCD traverse deck (optical pickup)

1. Donotsubject thetraverse deck (optical pickup)tostatic

electricityas itisextremelysensitivetoelectrical shock.

2. Theshortland betweentheNo.4(LD)and No.5(GND)pinson the

flexibleboard(FFC)isshortedwithasolderbuild-up toprevent

damagetothelaserdiode.

3. Take carenottoapplyexcessivestress totheflexibleboard(FPC

board).

4. Donotturnthevariableresistor(laserpoweradjustment). Ithas

alreadybeenadjusted.

Grounding for electrostaticbreakdownprevention

1. Humanbodygrounding

Use theanti-staticwrist straptodischargethestaticelectricity

fromyourbody.

2. Worktablegrounding

Putaconductivematerial (sheet) orsteel sheet on thearea where

thetraverse deck (optical pickup)isplaced, and ground thesheet.

Caution :

Thestaticelectricityofyourclothes will notbegroundedthrough

thewrist strap. So, take carenottolet yourclothes touchthe

traverse deck (optical pickup).

Caution whenReplacing theOptical Pickup :

Thetraverse has ashortpointshortedwithsoldertoprotect the

laserdiodeagainst electrostatics breakdown. Besuretoremovethe

solderfromtheshortpointbeforemaking connections.

5. Precaution of LaserDiode

Caution :

Thisproduct utilizes alaserdiodewiththeunitturned"ON",

invisiblelaserradiation isemittedfromthepick up lens. /

Wavelength:780 nm/ Maximumoutputradiation powerfrompick

up :100 W/VDE/ Laserradiation frompick up unitissafetylevel,

butbesurethefollowings:

1. Donotdisassembletheoptical pick up unit, since radiation from

exposedlaserdiodeisdangerous.

2. Donotadjust thevariableresistoron thepick up unit. Itwas

alreadyadjusted.

3. Donotlookat thefocuslensusing optical instruments.

4. Recommend nottolookat pick up lensforalong time.

ACHTUNG:

Dieses Produkt enthälteineLaserdiode. ImeingeschaltetenZustand

wirdunsichtbareLaserstrahlung von derLasereinheitabgestrahlt. /

Wellenlänge:780nm/ MaximaleStrahlungsleistung der

Lasereinheit:100 W/VDE/ DieStrahlung anderLasereinheitist

ungefährlich, wenn folgendePunkte beachtet werden:

1. DieLasereinheitnichtzerlegen, dadieStrahlung ander

freigelegtenLaserdiodegefährlichist.

2. DenwerkseitigjustiertenEinstellreglerderLasereinhitnicht

verstellen.

3. NichtmitoptischenInstrumentenindieFokussierlinse blicken.

4. NichtüberlängereZeitindieFokussierlinse blicken.

ADVARSEL:

I dette aapparat anvendes laser.

CAUTION!

THIS PRODUCTUTILIZES ALASER.

USE OFCONTROLS ORADJUSTMENTS ORPERFORMANCE OFPROCEDURES OTHERTHAN

THOSE

SPECIFIEDHEREINMAYRESULTINHAZARDOUS RADIATIONEXPOSURE.

Use ofCaution Labels

6. Operation Procedures

7. Disassemblyand MainComponent Replacement

Procedures

“ATTENTIONSERVICER”

Somechassiscomponents mayhavesharpedges. Becareful when

disassembling and servicing.

1. Thissection describes procedures forchecking theoperation of

themajorprintedcircuitboardsand replacing themain

components.

2. Forreassemblyafteroperation checks orreplacement, reverse the

respectiveprocedures.Special reassemblyprocedures are

describedonlywhenrequired.

3. Select itemsfromthefollowing index whenchecks orreplacement

arerequired.

4. RefertheParts No. on thepageof"MainComponentReplacement

Procedures", ifnecessary.

Contents

-Checking ProcedureforeachmajorP.C.B.

-Checking oftheTransformerP.C.B.

-Checking fortheMainP.C.B.

-Checking fortheCD ServoP.C.B.

-Checking forthePowerP.C.Band Deck P.C.B.

-Diaassemblyand AssemblyoftheDisc Trayand CD Traverse Unit

-DisassemblyoftheDisc Tray

-DisassemblyoftheCD Traveerse Unit

-MainComponentReplacementProcedure

-ReplacementoftheCD ServoP.C.B. and Optical Pick-up Unit

Warning :-

Thisproduct uses alaserdiode. Refertocaution statement

Precaution ofLaserDiode.

ACHTUNG:-

-DieLasereinheitnichtzerlegen.

-DieLasereinheitdarfnurgegeneinevomHertstellerspezifizierte

Einheitausgetauschtwerden.

7.1. DisassemblyProcedureforEachMajorP.C.B. Checking

7.1.1. Checking for theTransformerP.C.B.

Step1Remove 2screwseachside.

Step2Remove 7screwsfrom therearpanel.

Step3Release connector CS802 and PW802.

Step4Remove 10 screws.

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