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    Stage Line 500W amp repair project

    Would you recommend digikey as a better option to avoid this, also would it be possible to use two of the original ones as I think three of them were still good, or would it not be a good idea?
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    Stage Line 500W amp repair project

    ok all the burned componants replaces and the board cleaned up best i can, the drivers are both dead!! would these be ok for replacements http://www.ebay.co.uk/itm/2SA1859A-TRANSISTOR-/201278604843?pt=UK_BOI_Electrical_Components_Supplies_ET&hash=item2edd23c62b#ht_270wt_1160...
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    Stage Line 500W amp repair project

    Few spares, only ordered them yesterday !!
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    Stage Line 500W amp repair project

    Ok ordered the eBay ones, should be here Monday, going to fit them and replace the resistor fuses, think am going to have to remove the driver transistors and test them to, will come back with my results when I get this far!
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    Stage Line 500W amp repair project

    Or would these be better? The ± is different is doesn't say on the schematic what the ± is on the originals! http://pages.ebay.com/link/?nav=item.view&alt=web&id=281562924764
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    Stage Line 500W amp repair project

    will these do for R30 and R32? http://uk.rs-online.com/web/p/through-hole-fixed-resistors/0131716/
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    Stage Line 500W amp repair project

    EDIT: Obvious resistors that have disintegrated are R30 R32 R89 R23 R21, Think there will be others to, I have already got the replacements apart from R30 and R32 maplins did not have them, as per!
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    Stage Line 500W amp repair project

    Think I must have shorted Q11 somehow, C9 has gone R30, R32, and a couple of smaller components , will make a list of exactly burned, all the tracks are ok on the underside of the board so it's just a case of replacing the damaged ones and a clean up, hope the drivers haven't been damaged! Not...
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    Stage Line 500W amp repair project

    I will be back when I have replaced all the burned components and cleaned it all up :eek:
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    Stage Line 500W amp repair project

    for the LEFT chanel i mesured from T4 to D10 and it reads 02.0m and keeps going up and down the longer i hold the probes on, Q1 = 0.59VDC Q10=0.60VDC Q12=0.61VDC Q18=0.18VDC Q22=0.58VDC Q11= Q13= Q20= for the RIGHT chanel i mesured from T4 to D32 and it reads 023m Q23= Q25= Q26= Q28= Q40=...
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    Stage Line 500W amp repair project

    Ahhhh you know that never crossed my mind! Will do this tomorrow evening after work, Have a confession to make, I only currently have two of the four resister fuses installed, I had a fault with one of them and it was bringing the fault right LED on, and forgot to put them back , sorry !!
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    Stage Line 500W amp repair project

    looks like R62 and R64 are getting no + current but D21 is new and testing correctly
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    Stage Line 500W amp repair project

    am sure its not as hard as i make it look lol :(
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    Stage Line 500W amp repair project

    Big ask here but could anyone do something like this for me so i can see the flow, or how its supposed to go,
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    Stage Line 500W amp repair project

    thought it was to good to be true lol
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    Stage Line 500W amp repair project

    Quick question guys, thinking of buying this, is it any good and would I be able to to BGA rework with it? Thanks. http://pages.ebay.com/link/?nav=item.view&alt=web&id=310770452723
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    Stage Line 500W amp repair project

    for the LEFT chanel i mesured from T4 to D10 and it reads -01.3 and keeps dropping the longer i hold the probes on, Q1 = 0.60VDC Q10=0.58VDC Q12=0.60VDC Q18=191m Q22=0.59VDC Q11=0.59VDC Q13=0.61VDC Q20=197m for the RIGHT chanel i mesured from T4 to D32 and it reads 023m Q23=0.60VDC...
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    200w Bluetooth speaker build

    Hahha I am going to be building a new cabinet with new drivers to
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    200w Bluetooth speaker build

    going to carry on with this again as soon as i get my other 2 projects finished lol
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    Toshiba 32BV701B audio fault

    the first photo in post #7 kris is where the speakers connect to the main board
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