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