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  1. Thread: Randall RG75/G3

    by bsco
    Replies
    8
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    232

    I'm glad as well..The customer picked it up...

    I'm glad as well..The customer picked it up earlier this afternoon......and he was quite happy.....
    Cheers
  2. Thread: Randall RG75/G3

    by bsco
    Replies
    8
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    232

    Finally got back at this one...The problem was...

    Finally got back at this one...The problem was C3....was shorted...once I replaced that, it was up and running...
    Cheers.....
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    Thanks Jazz....I saw that one there but it is too...

    Thanks Jazz....I saw that one there but it is too big to fit where it has to go...There isn't much room there in the corner....I did see one that was 2.75 sq. ins....that would fit perfect...it is...
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    I went on their site and had a look...... they...

    I went on their site and had a look...... they might have something that will fit the bill.....I am figuring for an amp that is 80W out, a 10 to 20W tweeter would do it.....I think the cutout in the...
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    I did that..they are too big.....the one I have...

    I did that..they are too big.....the one I have is 2.75 ins square....I'll check that site later tonight to see what else is there......Have to run out for a bit......Thanks for the reply..
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    Thanks for your reply Tom....The magnet is...

    Thanks for your reply Tom....The magnet is fixed....
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    303

    Ok. got a couple of photos to post.........

    Ok. got a couple of photos to post......
    Cheers561715617256173
    I forgot to add...the dimensions are 2 and 3/4 in. square from the edges of the frame....
  8. Replies
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    Roland PM100........check this out

    Good evening....I have a question and maybe somebody here can answer it.....I have Roland PM 100 which has the tweeter blown.....and...apparently Roland does not stock parts in North America...
  9. Thread: Randall RG75/G3

    by bsco
    Replies
    8
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    232

    Ok Enzo.. I was over to the shop this...

    Ok Enzo.. I was over to the shop this morning...the relays works....and I did test it with the jumper from the tab of Q5 to gnd.....so for voltages....
    Q5.....6.8mV base...14V on the collector....Q1...
  10. Thread: Randall RG75/G3

    by bsco
    Replies
    8
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    232

    Hello Enzo. Thanks for the reply....I will double...

    Hello Enzo. Thanks for the reply....I will double check for DC mixed with the audio signal......but I think not......the relay itself works as I removed it and bench tested it.....so the problem is...
  11. Thread: Randall RG75/G3

    by bsco
    Replies
    8
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    232

    Hi g1. Thanks for the reply...the is DC to one...

    Hi g1. Thanks for the reply...the is DC to one side of the relay coil.....14V.......that is the same voltage as on the tab of the driver for the relay.....for some reason the transistor is not...
  12. Thread: Randall RG75/G3

    by bsco
    Replies
    8
    Views
    232

    Randall RG75/G3

    Good day to everybody...I have this one here and after going through the circuit, I have audio up to the relay.....the relay is not being activated so the audio is not being fed to the speaker....the...
  13. Thread: Fender Blues Jr 3

    by bsco
    Replies
    5
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    339

    Sorry for the delay.....Checked that out with the...

    Sorry for the delay.....Checked that out with the neon bulb after and the transformer is bad.....so there is one on it's way....I forgot about that neon bulb test.....once the pat arrives, I'll let...
  14. Thread: JBL EON 10P

    by bsco
    Replies
    14
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    275

    Thanks Jazz P.......I was not feeling well...

    Thanks Jazz P.......I was not feeling well yesterday and last night..never got much sleep so I am not long on the go...it is 1:30 PM here....that schematic shows a 12v Zener....I will check the zener...
  15. Thread: JBL EON 10P

    by bsco
    Replies
    14
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    275

    Thanks for the reply.....The original diode is...

    Thanks for the reply.....The original diode is not there...the current diode, (through hole) was tack soldered to the existing traces....I had to remove the large filter cap and the transistor to be...
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    The book was a bit disappointing to be quite...

    The book was a bit disappointing to be quite honest but there is some good stuff in there......the owner of the organ is extremely happy that I was able to get it working for him......So if I read...
  17. Thread: JBL EON 10P

    by bsco
    Replies
    14
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    275

    Across a filter cap...I'll check later today to...

    Across a filter cap...I'll check later today to see what Cap designation and other components also connecting to it......Thanks for the reply.....
  18. Thread: JBL EON 10P

    by bsco
    Replies
    14
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    275

    I checked for that but some of the silk screening...

    I checked for that but some of the silk screening is not visable..I looked for other diodes that were similiar but I can't find any....they are there but are different with a different...
  19. Thread: JBL EON 10P

    by bsco
    Replies
    14
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    275

    No Problem...

    No Problem...
  20. Thread: JBL EON 10P

    by bsco
    Replies
    14
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    275

    Just sent off an email......Thanks for the...

    Just sent off an email......Thanks for the link......
    Cheers
  21. Thread: JBL EON 10P

    by bsco
    Replies
    14
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    275

    Yes I have sir...there are no schematics or board...

    Yes I have sir...there are no schematics or board layouts for the 10P....that is why I had posted here.......Thank you for your reply.....
    Cheers
  22. Replies
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    Hi nosaj....Bernie here...I did contact you...

    Hi nosaj....Bernie here...I did contact you awhile back by PM so I thought I would post here...The modules worked out great...I let the owner run the organ for a few days...no issues...he was very...
  23. Thread: JBL EON 10P

    by bsco
    Replies
    14
    Views
    275

    JBL EON 10P

    Good afternoon to everybody...I tried searching the net for this but couldn't find the schematics.......any chance somebody here on the forum might have schematics for this one.....and maybe a board...
  24. Thread: Fender Blues Jr 3

    by bsco
    Replies
    5
    Views
    339

    Right....I used to have one of those bulbs...

    Right....I used to have one of those bulbs before...I will have to take a look for it or get a couple of more........Thanks....
  25. Thread: Fender Blues Jr 3

    by bsco
    Replies
    5
    Views
    339

    I tied a different speaker...no...

    I tied a different speaker...no difference.....I'll check those output plate voltages again just to be sure....I don't have another O/P transformer from one of these amps.....or anything even...
  26. Thread: Fender Blues Jr 3

    by bsco
    Replies
    5
    Views
    339

    Fender Blues Jr 3

    Good day....I have this one here and it is a weird one for me.....It has no volume......and it is distorted when turned up.....when it is at low volume it does sound good but the volume is not as ...
  27. Thread: Samson Aura D415

    by bsco
    Replies
    6
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    215

    Reassembled and tested it...works great.....owner...

    Reassembled and tested it...works great.....owner will be very happy...Thanks to everybody for the help.....
    Cheers
  28. Thread: Samson Aura D415

    by bsco
    Replies
    6
    Views
    215

    Thanks Jazz....Much appreciated....I'll...

    Thanks Jazz....Much appreciated....I'll re-assemble and give it a good check out....
    Cheers
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