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Are you comfortable working with dangerous high voltages? If so you can measure the AC input, DC after the filter capacitor and DC at the output.
There are probably components on the reverse side of that board too - can we see a pic of the reverse side?
It depends but generally Yes i am comfortable working with dangerous high voltage, depending on the process I know when its not my battle and I'm conservative with not moving forward(I've been shocked before) . I forgot to mention that it is powerd by 12V 7A SLA battery. Below pics of the back.
I appreciate your willingness to help me out
I forgot to mention that it is powerd by 12V 7A SLA battery
My apologies for being so vague . The reason for being vague was due to getting only one response and no solutions to my original post related to the issue I'm having. I thought it would be best to start from the pcb power supply than work my way through the device with hopes of isolating the issue. I'm not sure if maybe the information I provided was shit and inadequate to trouble shoot, in no way do I wish being that guy. I'm grateful for people's free time and in no way do intend to waste anyone time. nonetheless I decided to tackle the issue starting at the pcb powersupply than moving to the main motherboard. With that being said, the power supply shown is for my ion pathfinder charger 2 Bluetooth speaker. It was working fine until it just wouldn't power up. It started with not being able to charge and only working when plugged in than eventually not turning on (this happened fairly quickly within a span of week). The speaker was relatively new and was used very light (maybe 20 hours , probably less ). The first thing I did was check the fuse was not blown. I reached out to customer service and was told it was the battery, which I was skeptical as I had checked the battery using a multi meter and I charged it using a battery tender Jr. They sent me a new battery and was nit surprised that it would not turn on. I reached out again but was basically told to kick rocks as the speaker had a 30 day warranty. I was referred to there service center that was going to charge me close to what I paid for not including shipping the device which I would have to eat. I basically told them to kick rocks and told them I would try to fix it myself, I asked for drawing and schematics but was told that they could not locate them (escaladed to 2 layers of supervisors).So it's an inverter, not a mains powered supply..??
More details...where is it from? brand? model no.? what is it's problem?
Ideally I would like to do a quick check.
Are you in a rush?Whats the quickest way
Battery issues are very common in this type of device - despite measuring 12V you have to load the battery to determine if it's holding a charge and if the device has been left 'trickle charging' for extended periods of time it is quite possible that the battery is defective.It started with not being able to charge and only working when plugged in than eventually not turning on