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  1. O.K. Great, Thanks for verification on the Value....

    O.K. Great, Thanks for verification on the Value. Now I am starting to feel more confident about troubleshooting and testing. My next wish list item will be a "Fluke" Multimeter and a Professional...
  2. g1, That is correct, and I just checked it with...

    g1,
    That is correct, and I just checked it with the meter set on the 200 ohms setting, I am getting 0.04 -0.05 Ohms

    Joe
  3. I see the schematic and back traced the Speaker...

    I see the schematic and back traced the Speaker Out Put leads. In my case, there isn't an actual Speaker Out Jack, it's simply a red & black wire..


    Joe
  4. g1, Does it matter where I set the dial...

    g1,
    Does it matter where I set the dial indicator on the Ohm's range? The setting options are: 200, 2000, 20k, 200k, & 2000k


    Joe
  5. Hey Dude, I see you remember me from my...

    Hey Dude,
    I see you remember me from my difficult time when, I was trying to print the diagram?

    Joe
  6. No Sir, Just looking at what I see on the Circuit...

    No Sir, Just looking at what I see on the Circuit Board

    Joe
  7. Enzo, I don't have a schematic of my own, I was...

    Enzo,
    I don't have a schematic of my own, I was hoping this forum had something and they did except for a minor problem. My computer operating system will not convert into a printable PDF file.
    ...
  8. Yes Enzo, I have very limited technical support....

    Yes Enzo,
    I have very limited technical support. No smart phone, scanner, or camera.

    Joe
  9. g1, I checked and mine is a revision 5...

    g1,
    I checked and mine is a revision 5 circuitboard. I am a novice DIY troubleshooter that doesn't own a smart phone or any fancy computer scanning devices. Nevertheless, the ceramic resistor is...
  10. Are We are talking about the same model GX-15R...

    Are We are talking about the same model GX-15R Serial # GX1DF50852?

    Joe
  11. g1, O.K. and bye the way thanks for your time to...

    g1,
    O.K. and bye the way thanks for your time to explain.

    Joe
  12. Enzo, The Crate Amp doesn't have an external...

    Enzo,
    The Crate Amp doesn't have an external Speaker Jack. And thanks for clarifying resistor measurement and testing.

    Joe
  13. OldDawg, Where do you measure the resistor? You...

    OldDawg,
    Where do you measure the resistor? You say it should measure nearly a short. What do you mean by this? I thought if a component did not register on an ohm meter it would be considered...
  14. Enzo, How often do those ceramic resistor's go...

    Enzo,
    How often do those ceramic resistor's go bad? And what causes one to become inoperative?

    Joe
  15. Enzo, I've already replaced the input jack and...

    Enzo,
    I've already replaced the input jack and the headphone jack and it still doesn't work

    Joe
  16. Identifying something on Crate GX15R Circuitboard

    Hello Again to all,
    I wanted to ask if someone could tell me what the rectangular ceramic looking item on the crate circuit board does? It has a marking on it, and looks like it say's;
    "Colber" .1...
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    Jazz Man, Thanks for the cross reference on that...

    Jazz Man,
    Thanks for the cross reference on that I.C. Chip, I just hope that it's the problem?

    Joe
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    Fred, The amp is second hand bought from the...

    Fred, The amp is second hand bought from the thrift shop, I actually bought two of them and they both have problems. I was hoping to cannibalize parts from the two to make one work.

    Joe
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    Fredy2, You make me realize that I am very...

    Fredy2,
    You make me realize that I am very guilty of plugging in cables just because they fit and to see what happens. I did that and my speaker started making a strange modulation sound and then...
  20. Replies
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    1,608

    I was not sure because I am new to the hobby of...

    I was not sure because I am new to the hobby of D.I.Y repairs dealing with electronics. I do enjoy learning and practicing my skills on inexpensive equipment. It always feels good to bring back to...
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    Enzo, By the looks of the picture from Tube...

    Enzo,
    By the looks of the picture from Tube Depot, the L12A looks more like a input plug for an effects pedal instead of a PC mounted amplifier input jack..

    Joe
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    DrGonz78, That's good advice about Isolation...

    DrGonz78,
    That's good advice about Isolation Washer purpose and use.

    Joe
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    Mick, You point out some good observations to...

    Mick,
    You point out some good observations to look out for. I think the main reason I disliked the plastic input jack was because of the faceplate mounting nut. Since it is also plastic, once...
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    Hey Dude, That's a good idea because the amp...

    Hey Dude,
    That's a good idea because the amp used to make a low frequency hum and that was about all. Once I plugged in my guitar cable and pushed the overdrive button in it just blew the fuse. What...
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    Mick, Yes I did check the test points 10 and 11...

    Mick,
    Yes I did check the test points 10 and 11 with the (power on) and the negative probe of the ohm meter grounded to the chassis and (without) a speaker connected. It did produce Voltage at those...
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    Mick, I tried it this afternoon and It worked. I...

    Mick,
    I tried it this afternoon and It worked. I hooked up a known working Speaker from another amp and did exactly what you described as a disturbance test. The speaker made a crackling sound (In a...
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    Thanks Dude, You know the Fender Jack is cheaply...

    Thanks Dude,
    You know the Fender Jack is cheaply made with the plastic housing to include the plastic threads and plastic nut for mounting to the face of the Chassis. I would like to find a suitable...
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    Replacing Input Plugs on a Fender Frontman 15R

    Hello,
    I would like to know if anyone has had problems with the cheesy plastic 1/4" input Jacks on the Fender Frontman? I want to buy a couple of Up-graded plugs and change them out. Would anyone...
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