Maybe it will be useful to someone:
ftp://210.65.248.224/
ftp://210.65.248.224/
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I'm not sure if I am posting this in the right spot, I don't have any question or anything specific to one board. I am *kinda* starting out with this kind of work. I have been IT in one role or another for my job the last 30 years, and I am familiar enough with basic board stuff generally speaking. So, I dunno for example if someone told me to find a uart header, or flash some generic tsop8 something, etc I understand that kind of stuff. Point being, I'm not 100% clueless. I just don't have the specific knowledge when it comes to some of these more advanced repairs. I actually have spent the last... -
Hello everyone,
I've got a Benq power board of a XL2540K monitor which suffered from a power cut and is since defective / won't turn on. It's got obvious defects, some blown resistors, some burning around the drain pin of a MOSFET...
... and some 6-pin IC I struggle identifying, that is driving said MOSFET.
The IC is labeled as IC601, so someone with a circuit schematic could probably identify it really quick, unfortunately I can't find the schematics.
In other power boards of Benq for which I did find the schematics, IC601 is an 8-pin NCP1200 PWM controller - I suppose... -
Hi everyone,
I'm currently repairing a NEXIQ USB-Link 2 that was physically damaged due to crushing. After a thorough inspection, it appears that only one component is visibly damaged: the T5 component, located right next to the Mini-USB port.
It's a 4-pin SMD component, with one pin at each corner, aligned front-to-back along the USB port axis. Unfortunately, it is broken, and there are no visible markings left on the part to identify it.
I'm looking for help with the following:
The exact identification or part number of the T5 component
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One of my KP105 smart plugs failed today. It started very rapidly power cycling (you could hear the relay clicking on and off and the LED was going green/orange repeatedly).
I was going to just bin it but I opened it up out of curiosity. Found a swollen cap in the corner (bottom right of image). AiSHi brand, 470uF 10V 105*C. Not sure what purpose it serves exactly so can't comment on whether it is appropriately specced. Other members of this forum have reported similar findings with off-brand smart plugs but this is the first time I have seen evidence of this happening with a brand... -
Hi All.
Does anyone have any reference materials or something I can use to try troubleshooting a BenQ TH681? Google unfortunately has turned up zip. I did find a service manual for a W series BenQ but that is pretty much useless, it's more a glorified user manual. A list of voltages would be great as I suspect my mainboard is faulty, the colour wheel voltage is not dipping like it should.
The one I am troubleshooting now was originally overheating after a lamp replacement. It originally would take 2 minutes or so for it to shut off and blink the temp and lamp lights...
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