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Found 1 result

  1. Friends, hello everyone! I am writing to you via Google translator, since English is not my native language. So, I have a Line 6 Amplifi 150 guitar amp. It worked well enough and I didn't expect any problems. Installed the latest firmware 2.60 and everything worked fine. After a couple of months, the amplifier suddenly, when turned on, went into the mode of simultaneous blinking of four LEDs. Sometimes they just blinked, and sometimes they burned constantly. I reset the amplifier to factory settings by holding down two buttons - volume and tap, and after that everything worked until the next failure. The last such failure permanently disabled the amplifier. I decided to try to fix the problem on my own, since there was no desire to pay several hundred dollars for repairs. I carefully disassembled the back wall and, having disconnected the wires, removed the entire rear module. The power supply board is located on the bottom of the amplifier. It has a 220 volt input and the following voltages output on the front eight-pin connector. Pin 1: +8 Volt (For powering the motherboard) Pin 2: Ground Pin 3: +19 Volt (For powering the satellite speaker amplifier) Pin 4: Ground Pin 5: -19 Volts (For powering the satellite speaker amplifier) Pin 6: +48 Volt (For powering the center speaker amplifier) Pin 7: Ground Pin 8: -48 Volts (For powering the center speaker amplifier) I checked the voltage data with a multi-meter and made sure the power supply is working. After that, I carefully peeled off the glue from the Micro SD card and pulled it out of the slot. 4 GB card. I turned on the amplifier without a card, nothing happened. I put the card back in and turned on the amplifier again, but it didn't work. And then I decided to replace the card with another and reflash it again. I only had 16 GB at hand, I pulled out the old card, inserted a new one, and holding down two buttons Tap and Tone turned on the power. The amplifier has entered the firmware installation mode. After that I installed the latest firmware 2.60. The installation went well, there were no problems. After installation, I reset by holding down the Volume and Tap buttons, and the amplifier turned on to its normal mode. Everything worked. But now periodically, not very often, but sometimes several times the amplifier independently during operation resets to the factory settings and turns on again. At the same time, LEDs 1 and 4 light up (only 1 and 4). They blink several times and a reset occurs. I don’t know what it is, but I’ll figure it out. Perhaps the system does not like the SD card, and I need to install 4 or 8 GB. Maybe bad cables or bad contact somewhere. I will say one thing, I have not yet met such an so expensive, unstable lollipop. Build quality and components are terrible. What the sound is lollipop, what the amplifier is lollipop. I was fooled by the high-tech design. Good luck to everyone, guys, if I can find out anything else, I'll write here.
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