Mystery MBS-204A User manual
TABLEOFCONTENTS
EXPLODEDDRAWING...............................................13
SYSTEMWIRING.....................................................8-12
HOOKUP.................................................................5
INSTRUCTIONSFORFUNCTIONS..........................3
ELECTRICALCONNECTION....................................4
TROUBLESHOOTINGGUIDE..............................................6
WARNING..............................................................................7
SPECIFICATION....................................................................2
1
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SPECIFICATIONS
2
RMSPower@13.8vDC
4Ohmstereo60Wx1
Sub-woofer@4Ohms200Wx1
SpeakerImpedance4Ohm
THDDistortion<0.08%
IMDDistortion<0.08%
FrequencyResponse50Hz~160Hz
InputSensitivity200mV~2V
InputImpedance15K
Signal-to-NoiseRatio85dB
CrossoverNetwork
Sub-wooferFilter40Hz~160Hz
BassBoost0dB~+12dB
IndicationLEDgreen/red
Protection(Short,Temperature)yes
SizeLxWxH350x232x70mm
ModelMBB-204A
2Ohmstereo90Wx1
InputSensitivity2V~20V
RemotegainControl0.2V~+6V
INSTRUCTIONSFORFUNCTIONSANDCONTROLS
3
Tobeconnectedwiththeremotecontroller,whichhelpstoboostthegain.
Plstruntheknobofvolumetobemaximumbeforeusingtheremote.
3
1
2
4
5
6
7
8
9
8
1
3
5
6
7
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4
ELECTRICALCONNECTION
9
7
+12V
REM
GND
Anodeofpowerconnectionterminals.Connecttotheanodeofcarbattery.
TerminaltobeconnectedwithRemotecable,whichcomesfromthesourceandwhich
controlstheamplifierswitchingon.Appliedvoltagemustbebetween7and15VDC.
Groundterminal.Connecttothecarchassis.Keepthelengthofthegroundcable
toaminimum.
-
+ +
-
Car
amplifier
5
HOOKUP(LOWINPUT)
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6
TROUBLESHOOTINGGUIDE
SYMPTOMS CHECKPOINTS
CURE
NOSOUND
Inthepower
LEDilluminated?
Checkfusesinamplifier.
BesureTurn-onleadisconnected
Checksignalleads.Checkgain
control.
CheckTuner/Deckvolumelevel.
Cleancontactsonfuseholders.
IstheDiagnosis
LEDilluminated?
Checkforspeakershortor
amplifieroverheating.
AMPNOT
SWITCHING
ON
Nopowertopowerwire
Nopowertoremote
wirewithreceiveron
Fusebroken
Repairpowerwireorconnections.
Checkconnectionstoradio.
Checkfuse
NOSOUND
INONE
CHANNEL
CheckSpeakerLeads
CheckAudioLeads
Inspectforshortcircuitoran
openconnection.
ReverseLeftandRightRCAinputs
todetermineifitisoccurring
beforetheamp.
AMP
TURNINGOFF
MEDIUM/HIGH
VOLUME CheckSpeakerload
impedance
Besureproperspeakerload
impedancerecommendations
areobserved.
(Ifyouuseanohmmetertocheck
speakerresistance,please
rememberthatDCresistanceand
ACimpedancemaynotbethe
same.)
PROTECTION
LEDON(RED) Temperatureshutdown
Speakerwiresshortcircuit
Turnradiodown
Separatespeakerwiresandinsulate
WARNING
7
InvestigatetheLayoutofyouautomobilethoroughlybeforedrillingorcuttinganyholes.
Takecarewhenyouworknearthethanks,lines,orhydrauliclines,andelectricalwiring.
Dontmountthissystemsothatthewireconnectionsateunprotectedaresubjectto
pinchingordamagefromnearbyobjects.
The+12VDCpowerwiremustbefusedatthebatterypositiveterminalconnection.
Beforemakingorbreakingpowerconnectionsatthissystempowerterminals,disconnect
the+12Vwireatthebatteryend.
Confirmyourradio/cassetteplayerand/orotherequipisturnedoffwhileconnectingthe
inputjacksandspeakerterminals.
Ifyouneedtoreplacethepowerfuse,replaceitonlywithafuseidenticaltothat
suppliedwiththesystem.Usingafuseofdifferenttypeorratingmayresultindamageto
thissystemwhichisntcoveredbythewarranty.
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13
153-071010-08-00TopcoverHeatsinkAL1
253-071020-08-00BottomcoverHeatsinkAL1
357-070B00-29-00IronnetIron1
400-000000-00-00Speaker8Inch1
506-010244-1100PCBAboard1
659-012101-5015screw8
759-033303-3005Insidehexangularscrew2
857-071300-06-09DecorateIronbar1
6782 43
5
1
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Table of contents
