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  1. Replies
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    or what i use is a little blob of paint :)

    or what i use is a little blob of paint :)
  2. Replies
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    92

    Job now done and returned to customer The...

    Job now done and returned to customer
    The customer does not use the amp outside of his home. so ive fitted the tank in a reverb bag and place it behind the amp on the floor. works well there

    As...
  3. Replies
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    315

    would of not happened if the person who repaired...

    would of not happened if the person who repaired the handle didnt fill the hole with filler then screwed the handle in making the grip nut fall on to the board, Funny thing is i was also given an...
  4. Replies
    15
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    315

    Please to say that the pic chip provided by...

    Please to say that the pic chip provided by blackstar fixed the amp
    BBB
  5. Replies
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    315

    thanks Nick. Ive just posted a reply to that...

    thanks Nick. Ive just posted a reply to that about 20 mins ago. Looks like the pic chip has gone as it does go 3.2v to 0v only with the pic chip removed with it in it stays at 0v
  6. Replies
    3
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    92

    Fender Vaporizer reverb fault

    Hi all
    Had my first and hopefully last vaporizer in.
    Customer bought it used and says it has a fault with the reverb
    Reverb is working but it has a high pitch whistle/feedback
    It seems to be...
  7. Replies
    15
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    315

    Ok further testing i believe the PIC chip has...

    Ok further testing i believe the PIC chip has gone. With it removed i get 3.2v - 0v when the jack is inserted/removed with the pic chip in pin 14 remains at 0v
    I have already requested the part from...
  8. Replies
    15
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    315

    Thanks nick Tested at junction of c163/164 i...

    Thanks nick
    Tested at junction of c163/164 i have 11.5 volts and same on pin 7 IC16 ( not changing when i remove the jack
    pin 23 on pic i have 0.5v .... pins 5-6 on ic16 i have 1.1/1.6v

    BBB
  9. Replies
    15
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    315

    No sound from the amp whatsoever even when...

    No sound from the amp whatsoever even when plugged into fx loop
    I have checked the fuses and as stated in the OP i have 12.6v+/- and 3.2v
  10. Replies
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    315

    Blackstar HT40 problem

    Hello all

    Odd job that is making my hair fall out

    Customer repaired the handle himself but let the nut on the inside drop out and rattle about
    well as you can guess the nut touched the board...
  11. Replies
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    292

    not sure mark. to be honest im going to leave...

    not sure mark. to be honest im going to leave this one. I just don't get enough time to do the jobs as it is
    thanks for the help, without the map i won't waste my time
    many thanks
    BBB
  12. Replies
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    292

    There was bypass and when you switched over to...

    There was bypass and when you switched over to effect. led came on but no signal at all.
    tried to trace the signal but i have to admit. No schematic its hard for me.

    BBB
  13. Replies
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    292

    thanks i will check that out bbb

    thanks i will check that out
    bbb
  14. Replies
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    292

    thank you... I have searched the internet and...

    thank you... I have searched the internet and checked out all these before i post a request .Hoping that someone might have one, but again none of these are about the model i have
    BBB
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    thanks Dmeek . im not sure. not the version...

    thanks Dmeek . im not sure. not the version above
    it says MXR 117 version 2 on it
    55570

    bbb
  16. Replies
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    292

    MXR Flanger 117 map required

    Hello all
    A bit of a long shot. Got a MXR Flanger 117 with no effect but working bypass
    I have the original map but there don't seem to be a 117 version available ?
    if anyone can assist i would...
  17. Ibanez SR505 electrics issue - schematic?

    Hi
    I don't do guitar repairs just stick to amps, But i was asked by the guys in the guitar shop
    where my workshop is located

    The bass went to a local store and was returned not repaired ( same...
  18. Replies
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    easy way is to replace the board. Ive done a fair...

    easy way is to replace the board. Ive done a fair few and every time i try and repair the board it never works well
    i get the board from marshall uk.
  19. Thank you. But all of these are what i have. The...

    Thank you. But all of these are what i have. The schematics are not on these manuals for the L1 Mk 2 and one is the Links is for L1 but the wrong version
    many thanks
    BBB
  20. Bose L1 version/model 2 schematic needed

    This is the version 2 with 2 psu's with their own amps
    I have the service manual but it don't come with the maps
    many thanks
    BBB
  21. energy 12ND400 PWD PA speaker designed by energy in Italy

    Just a long shot
    does anyone have a map for this. or any other Energy powered speaker speaker

    many thanks

    BBB
  22. Replies
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    Yes G1 I checked that. that's ok. I have pulled...

    Yes G1 I checked that. that's ok. I have pulled the semi conductors out the board from that area, can't find anything
  23. Replies
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    814

    Carver PX1450 one channel down

    Hello all

    this one is starting to try my patience a bit

    It came in for protection mode on one channel. while i was testing about. I found a short across a 26.4k resistor R371
    I removed the...
  24. Well in the uk its slightly different we have to...

    Well in the uk its slightly different we have to keep it for 3 months from ready date then i can legally dispose of. We can charge storage, but have inform when they dropped off.

    I don't really...
  25. Replies
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    I quoted the customer a price on a new board and...

    I quoted the customer a price on a new board and he refused it went back to him . It was working just sometimes took 10 sec to come on and when on no issues
  26. Well the marshall ones i get are Tube amp doctor ...

    Well the marshall ones i get are Tube amp doctor as there is a TAD sticker on them and they have always called the shuguang
    these have failed and the other TAD EL84 i get from my UK supplier have...
  27. Tube Amp Doctor EL84 High failure rate

    Hi all
    Not sure if you lot have been having any problems with the TAD EL84's Forget if its the EL84-STR or EL84-CZ
    In the past 6 months ive have had far to many sets of these and had a fair...
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    i have asked tech support. told no to map and...

    i have asked tech support. told no to map and only option is to replace the board .
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