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Volume buttons causes it to go to sleepSo I've been fixing these for quite some time and I've never run across something like this. When I push the volume up or dow...
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Audio Output Distortion on 3.5mm Headphone JackI've been using the machine everyday for many many years, especially for audio. One day I had the 3.5mm output plugged into a...
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Green Pixelation on lcd displaySo I started repair on a mac laptop with a cracked/damaged LCD assembly. It is a A1286 (EMC 2325) from mid 2009, last 3 seria...
Antworten
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Hat geantwortet auf: Why won't audio come from the right channel of my OP-1?You most likely have your External sync set to pocket operator sync. See section 10.7 in the Op-1 manual. It uses the right channel to send sync data, therefore no audio will come thru. I did this once already and was baffled for a few days, I almost bought a new board even!
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Hat geantwortet auf: The Cassette deck in my car doesn't play music! Please helpThe most likely culprits are #1 the belt that controls the cassette mechanism has gone bad/loose or broken (1) 2 the switches that control the mechanism are dirty or broken Both would require removal of the unit from the car and you'd need to bring it to a electronics repair shop. Any decent tech would charge $75-125 to do it right. They'd also clean the heads and tape path, so it'll probably sound a lot better once they are done. good luck!
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Hat geantwortet auf: Home Stereo Power amp switches self off after +- 30 minutes.There are a few reasons why this could be happening. If it shuts off right away(5-10 seconds) you are most likely dealing with a bad component, probably a capacitor or transistor. In the case of shutting off after 20-30 minutes, something is overheating or a capacitor/transistor is getting "leaky" once it heats up. It is very hard to be specific as to which transistor or capacitor, but the first place I'd look would be the power amp section and the power supply. One thing you could do is open it up and see whats getting hot, but remember the risk of shock is great. Be careful what you touch. Ideally you are using an infrared camera to see whats getting hot. Any other type of trouble shooting beyond that would require a multi-meter One other thought, does this unit have a fan? If the fan is running slow or not at all? This could cause overheating.
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Hat geantwortet auf: My line output is periodically failing, any suggestions?I had the same thing happen too. You can pop open the bottom and take the board out and resolder the jack, but if that doesn't work you just gotta write to teenage engineering and ask to buy a new output board from them or better yet hopefully its under warranty. Its super easy to replace. Theres a guide right here. Teenage Engineering OP-1 Connector Board Austausch Good luck!
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Hat geantwortet auf: enter key doesn't workHave you tried taking it apart and cleaning the keyboard mat/board with a cloth or q-tip? Sometimes soda or a sugary drink gets spilled in there and in that case use a TINY amount of water and remove it with a q-tip, then make sure to let it dry for a while. Let me know if it works out, thanks!
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Hat geantwortet auf: Why is my well kept N64 system starting to shut off?If its shutting off at a common length of time from cold, then its probably something to do with IC's overheating or maybe power supply. Maybe try blowing a fan on it while using it and see if it lasts longer. If it does its definitely heat related. In that case it won't be the power supply cable. The problem would be related to items on the motherboard, maybe the capacitors. Its also possible that the heat sink is not attached well enough anymore and it might be a good idea to reseed that. Let me know what happens from there.
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Hat geantwortet auf: The power button has snapped off the Mino Hd circuit boardParts like that are quite hard to find, my first recommendation would be to just find a "broken" one on ebay and part that out. You would be able to find the same/similar part here Mouser.com or digikey.com, but I must say you have to know what you are looking for. If you can take a close up picture of the switch and the pads on the board I can guide you. Also you'll need to have a soldering iron with a small tip, no cheap clunky radioshack one will help. good luck!
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Hat geantwortet auf: iPad mini 16GB wifi randomly shuts down after screen replacementHave you made sure the front panel assembly near the home button has no exposed connections. You can see an example of this here https://www.youtube.com/watch?v=1_hGBxOP... Sometimes those connections can short and cause all sorts of issues.
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Hat geantwortet auf: Internal battery not powering unitMy first guess is the battery connector is either damaged or has become slightly unsoldered. I would touch it up with some new solder first. If its not that then its probably circuitry related to whatever switches from battery power to ac power. Maybe a loose connection there, but re-soldering that is flirting with disaster if you ask me. I dunno maybe find one with a broken lens and replace the motherboard if you are feeling up to it, good luck
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Hat geantwortet auf: Adding an external audio input to this excellent boomboxI mean if you are not willing to throw down $13 for the schemo then time must not be a big concern, so just start digging in. I've found it pretty easy to find the place to tap into for a line in. That place usually is the fm output buffer stage. Find the main fm chip, look up the datasheet, find its L/R stereo out and tap in after the output buffer, but before the main selector switch or preamp. Then place your own dpdt switch there, that way you then select between Fm or line in. Its pretty much the only way I've found without building extra circuits. Good luck.
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Jango Alchemist hat 'OP-1 Key/button Removal and Cleaning Guide' kommentiert
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Nano Visuals hat 'OP-1 Key/button Removal and Cleaning Guide' kommentiert
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Nano Visuals hat 'OP-1 Key/button Removal and Cleaning Guide' kommentiert
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Du hast die Auszeichnung Kickstarter verdient!
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Du hast die Auszeichnung Kickstarter verdient!
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