Panasonic SA-PM37MD User manual

ORDERNO. MD0108191C2

MDStereoSystem

SA-PM37MD

Colour

(S)... SilverType

Area

(EB)... Great Britain

TAPE SECTION

AR2MECHANISMSERIES

CD SECTION

RAE0155Z-1VTRAVERSE DECK SERIES

MDSECTION

MR3MECHANISMSERIES

SPECIFICATIONS

Specification

AmplifierSection

RMSPowerOutput

(both channelsdriven)

10%total harmonicdistortion

LOW 15 W perchannel (6 )

HIGH 3W perchannel (6 )

Total BI-AMPPower 18 W perchannel

PMPO 160 W

Inputsensitivity

AUX 500 mV

P-MD 160 mV

USB Based on USBRev. 1.0

OPT-IN Digital Optical Input

Inputimpedance

AUX 30 k

P-MD 5k

Outputimpedance

Headphone 16-32

FMTunerSection

Frequencyrange 87.50-108.00 MHz

(0.05 MHzsteps)

Sensitivity 16.3dBf(1.8V, IHF’ 58)

Antennaterminals 75 (unbalanced)

AMTunerSection

Frequencyrange 522-1629 kHz(9kHzsteps)

Sensitivity

S/N20 dB 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/sec

Overall frequencyresponse (-6dBatDeck Out)

TypeI (Normal) 35 Hz-14 kHz

TypeII (High) 35 Hz-14 kHz

Wowand Flutter 0.18 %WRMS

CDSection

Sampling frequency 44.1kHz

Decoding 16 bitlinear

Beam source Semiconductorlaser

Wavelength 780 nm

Numberofchannels 2channelsstereo

S/Nratio

SPOUT 70 dB(JISA)

Wowand Flutter Belowmeasurablelimit

Digital filter 8 fs

D/Aconverter MASH(1bitDAC)

MDSection

System MiniDisc Digital Audio System

Recording Magneticfield modulation

directoverwrite

Reading Non-contactoptical system with

semiconductorlaser

(Wavelength =780nm)

Sampling frequency 44.1kHz

Coding system ATRAC/ATRAC3(MDLP)

Numberofchannels 2channelsstereo

Wowand flutter Belowmeasurablelimit

80 min MDDisc use 80 min (SP)

160 min (LP2)

320 min (LP4)

USBDACSection Based on USBRev. 1.0

General

Powersupply AC230-240 V, 50 Hz

Powerconsumption 60 W

Standby 0.9W

Dimensions(WxHxD) 165.4x228x315 mm

Mass 4.8kg

Notes :

1. Specificationsaresubjectto changewithoutnotice. Mass and

dimensionsareapproximate.

2. Total harmonicdistortion ismeasured bythedigital spectrum

analyzer.

*USand foreign patentslicensed fromDolbyLaboratories.

System:SC-PM37MD(EB) MusicCenter:SA-PM37MD(EB)

Speaker:SB-PM37 (E)

1. BeforeRepairand Adjustment

DisconnectACpower, dischargePowerSupplyCapacitorsC607, C635 and C637 through a10 ,

5Wresistor toground.

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

solidstatedevices.

Afterrepairsarecompleted, restorepowergraduallyusing avariac, toavoidovercurrent.

-Currentconsumption at AC240V, 50 HzinNO SIGNALmode

shouldbe~200mA.

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, followtheprocedureoutlinedbelow:

1. Turnoff thepower.

2. Determinethecause oftheproblemand correct it.

3. Turnon thepoweronce againafteroneminute.

Note:

Whentheprotection circuitryfunctions, theunitwill notoperateunless thepowerisfirstturned

off and on again.

3. Accessories Remotecontrol transmitter

FMindoor antenna

ACmainslead

Powerplug adapter

AMLoop antenna

4. Self-DiagnosticDisplayFunction

Thisunitisequippedwithaself-diagnosticdisplay function, whichwill beuseful during servicing

and maintenance.

-Refertothenext pagefordisplaysymbols, symptoms, etc.

4.1. Preparations

1. ACr02-positionedblankcassette tapewithanerase prevention

nicheon eitherSideAorB.

2. Anormal-positionedmusictapewitherase prevention niches on

bothSides Aand B. Bothtapes arehalfwayforwardedinadvance.

3. Theremote controllerthat comes withthisunit.

4.2. Entering Self-DiagnosticMode

1. Press [CD / ]button on theunitwithno MD, CD orcassette

tapeinserted. (Thepowermust beturnedon.)

2. Press and holddown[STOP ]button and thenpress [ / /

FF]button togetherfor2secondsormore.

3. When[STOP ]button isreleased, themessage, “TEXT”appears

on thedisplay. (Cf. Fig. 1)

4.3. Restoring Normal Display

-FromtheF76 display, thenormal displaydoes notappeartill an

errorisrecovered.

-FordisplaysotherthanF76, press “POWER”button toturnoff the

power, and thenturnon thepower.

4.4. Clearing Self-DiagnosticMemory

Errorsarestoredintheunitmemory. Toclearmemory, press and holddown[STOP ]button

for 5secondsor moreduring self-diagnosticmode. Themessage, “CLEAR”appearson the

display whenmemoryiserased, and theunitdisplays themessage, “TEST”.

Memoryisnotaffectedbyturning off thepoweror unplugging thesocket.

Besuretoclearmemoryafterrepairiscompleted.

4.5. Displaying Self-DiagnosticResults

<CassetteDeck Section> (H01, H02, H03, H06, F01, F02)

1. Entertheself-diagnosticmode, following theinstructions

describedin[4.2. Entering Self-DiagnosticMode].

2. Insertanormal-positionedmusictapewitherase prevention

niches on bothSides Aand B. Press [TAPE ]button to

activate theTPS operation sothat thetapeautomaticallystopsat

aninterval betweenmusicselections.

3. Press [ / ]and [ ]buttonstogetheron theremote

controller. (Recording does notstart.)

4. Then, insertaCr02-positionedblankcassette tapewithanerase

prevention nicheofSideAorBset totheleft side.

5. Press [ / / FF]button. Thetapewill beforwardedand

automaticallystop aftertwoseconds.

6. Removethecassette tape, and set theotherside.

7. Press [REW / / ]button. Thetapewill berewound and

automaticallystopsaftertwoseconds.

8. Press [STOP ]button on theunit.

Ifanerrorisfound, aself-diagnostickeyappearson thedisplay.

Ifseveral errorsarefound, thedisplayshowsthese keyswhen

[STOP ]button ispressedrepeatedly. (Ex.:H01 -H02 -F01 -

H01)

Ifno errorisfound, onlythemessage, “TEST”appearson the

display.

(*1)TPS operation (musicsearch)detectstheblanksectionsbetweenmusicselections.

Therefore, do notuse tapes withthefollowing conditions:

-Ablanksection that lasts only4secondsorless.

-Noblanksections(recording through microphones, etc.).

-Musicselectionsthat haveextremelylow pitches orprolonged

silentsections(suchas classical music).

-and/orMusicrecordedwithfadein/outeffect.

<CD Section> (H15, F15, F26)

1. Entertheself-diagnosticmode, following theinstructions

describedin“4.2. Entering Self-DiagnosticMode”.

2. Press [OPEN/CLOSE ]button toinsertaCD.

3. Press [STOP ]button. Ifanerrorisfound, aself-diagnostickey

appearson thedisplay.

Ifseveral errorsarefound, thedisplayshowsthese keyswhen

[STOP ]button ispressedrepeatedly. (Ex.:H15 -F15 -F26)

Ifno errorisfound, onlythemessage, "TEST"appearson the

display.

<MDSection> (MDF15, MDF26, F22, F28, F29)

1. Entertheself-diagnosticmode, following theinstructions

describedin“4.2. Entering Self-DiagnosticMode”.

2. InsertaMD(eitherrecord/playback orplayback onlytype)

3. AfterTOCreading, press [MD / ]button.

4. Press [STOP ]button.

Ifanerrorisfound, aself-diagnostickeyappearson thedisplay.

Ifseveral errorsarefound, thedisplayshowsthese keyswhen

[STOP ]button ispressedrepeatedly. (Ex.:MDF15 -MDF26 -

F22).

Ifno errorisfound, onlythemessage, "TEST"appearson the

display.

5. Caution forACMains Lead

6. Operation Procedures

7. Handling Precautions ForTraverse Deck (CD/MD)

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

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