Home › Forums › Help/Technical Questions › LPB-1 Nano buzzes like crazy on one of the inputs

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  • August 4, 2011 at 4:41 am #81790
    mobkon
    Member

    I have an LPB-1 Nano boost pedal and the left input jack (amp) has to be jiggled around to get it to work and get a connection. It buzzes really bad until it gets that connection then it works fine. But any slight movement causes the cable to lose the connection again and it buzzes (ex: if I step on the pedal…so this defeats the purpose unless its always on, which its not). Its quite annoying.

    Any suggestions on whats causing this and how to fix it? Heres a picture of the inside of the part thats causing the issue. It’s circled in white.

    nanolpb-1.jpg

    August 4, 2011 at 10:08 am #110381
    The EH Man
    Moderator

    I would guess that either the jack is cracked or the solder joints on it need to be redone.

    August 4, 2011 at 3:01 pm #101587
    mobkon
    Member
    Quote:
    I would guess that either the jack is cracked or the solder joints on it need to be redone.

    I can resolder it, I just can’t find any solder joint for it. Any idea where it would be?

    August 4, 2011 at 3:08 pm #101601
    The EH Man
    Moderator
    Quote:
    Quote:
    I would guess that either the jack is cracked or the solder joints on it need to be redone.

    I can resolder it, I just can’t find any solder joint for it. Any idea where it would be?

    6 of them underneath the board.

    August 5, 2011 at 4:53 am #110148
    Mr.Grim
    Member

    yeah you need to remove the board to get to all the solder on the other side.

    BUT…be very very careful! in order to remove the board you need to remove the knob and unscrew the pot on the front of the unit. unfortunately these new knobs are pressed on and not ment to be removed, there for, many people carelessly trying to remove the havem also broken the pot as well!!!

    August 5, 2011 at 2:30 pm #106927
    mobkon
    Member
    Quote:
    yeah you need to remove the board to get to all the solder on the other side.

    BUT…be very very careful! in order to remove the board you need to remove the knob and unscrew the pot on the front of the unit. unfortunately these new knobs are pressed on and not ment to be removed, there for, many people carelessly trying to remove the havem also broken the pot as well!!!

    Thanks for the tip. Though I’ve removed the board a few times already to inspect it for the problem. I’ll remove it again tonight when I get home and look at the solder joints.

    If thats not it, is there a place to buy a replacement part?

    August 6, 2011 at 1:04 am #98582
    Cryabetes
    Participant

    plenty. smallbear electronics and mouser. there’s a ton for electronics parts. you’re looking for an enclosed, cb mounted stereo [TRS/Tip-Ring-Sleeve] Jack.

    August 9, 2011 at 1:52 am #103140
    mobkon
    Member

    Realized what the issue is. The pot has come un-glued from the board and is causing the connections to be lose. Therefor, when the pot knob is fasted to the case, jiggling the cable moves the board a bit and makes those connections.

    SO, what I need to do is re-attach the pot to the board. What’s the soft clear glue thats used? What else can I use? Will super glue work?

    Thanks!

    August 9, 2011 at 2:07 am #103106
    The EH Man
    Moderator

    I would use either some silicone or hot glue. Definitely not super glue. You may also need to touch up the solder connections on the pot.

    August 9, 2011 at 2:18 am #102333
    mobkon
    Member
    Quote:
    I would use either some silicone or hot glue. Definitely not super glue. You may also need to touch up the solder connections on the pot.

    Any kind of specific silicon? That will probably be what I’ll use since I don’t have a hot glue gun.

    August 9, 2011 at 4:07 am #103490
    Mr.Grim
    Member

    just go to walmart or your local everything store and go to the craft section, they have tiny glue guns there for like $5. that will be cheaper than one tube of silicon and you can use it again!

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