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
1

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)
2

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.
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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
4

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.
5

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.
6

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”.
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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.
8

5. Caution forACMains Lead
6. Operation Procedures
9

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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