Behringer iNuke NU3000 User manual

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Project: P0AHN
Model: NU3000
Materials: Soldering Iron, Solder Paste.
Components: 2 x T-IRGB-20B60PD1 (S.SKU Z74-53206-04503)
This rework must only be performed by a qualified technician.
To reduce the risk of death or injury be sure to observe all correct safety procedures.
1. WhenreplacingT1&T5fromMOSFETtoIGBTitissuggestedthatthefollowingcomponentsalsobecheckedand
replacedasneeded.D5,D12,R9,R10,R11,R17,R21,R25,T2,T3.
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D5, D12 (DIODE;SCHOTTKY;SS0540;SOD123;SMD;ROHS) C10-18700-5408
R9, R25 (10k)
R10, R21 (10ohm)
R11, R17 (1k)
T2, T3 (TRANSISTOR;MMBT4403;SOT23;ROHS) J73-16440-36603
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2. LocateFETSinpositionT1&T5.
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3. RemoveFETSthenremovetheheatsinks.
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4. CleansolderoffPCB.
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Legsfirst,FET,then
Heatsink.

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5. T1&T5shouldlooklikethiswhenfluxisremoveleavingaflatsurface.
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6. PlacesolderpasteonsmallsquareonPCBandalsoonrearofnewIGBTFET.
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7. PlaceFETonPCBandsolderfeetintopositiontosecure.
NewFETisT‐IRGB‐20B60PD1(S.SKUZ74‐53206‐04503)
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8. ApplypressurewithsolderingirontoFETallowingsolderpastetoheatup.FETshouldnowbefirmlyinplace.
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9. SameagainforotherFET.
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Applypressurehere.Confirmsolder
hasmeltedaroundinnercircleand
aroundedges.Thisneedstoreally
bedonewithalargetipironand
mediumtemperatefornolonger
than10seconds.

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10. BothFETSarenowfirmlyinplace,assuringflatsurfaceonPCB.
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11. PlaceheatsinksbackonthePCB(withsolderpastebetweenheatsinkandPCB)andsolderintoplace.
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12. Testallfunctionsandassemble.
Easytoworkherewith
heatsinkbentupwards.