Abra AK-30 - Page 2

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DIY Mini Amplifed Speaker Kit Assembly Instrucons
1. Locate the two PCB’s and the enclosed component set for each.
 LocatethenysurfacemountamplierIC’sinthecomponentsetthataretobemountedtotheboomofthe
PCB’s.
 SoldertheICamplierstotheboomICpadsmakingsurethatthedotontheICisatpin1.
 (SeeFig.1)
2. RefertotheenclosedPCBcomponentlayoutdiagramfortheresistorvalueplacementandthecorrectorientaon
fortheelectrolyccapacitorsonthePCBandsoldertheminplace.
 Useanohmmetertomeasuretheresistorvaluesifnotsurewhichiswhich.
 Notethatthereisa50KpotenometerinRP1anda10KpotenometerinRP2posion.
 TheVUmeterLED’sD1,D2,D3aregreenD4isyellowandD5isred.
 (SeeFig.2)
3. Locatethetwolengthsofredandblackwires.
 SoldertheredtoV0+andtheblacktoV0-onP3ofbothPCB’s.
 Thesearespeakeroutputsthatwillbeconnectedtothespeakers.
 (SeeFig.2)
Fig.1
Fig.2