Vizio M190VA 19" LCD

[todthebod]

A friend of my dad wanted me to check out his tv that he picked up somewhere (probably a yard sale or the dump). My experience is pretty much limited to changing out bad caps. I've probably done about 20 or so just for friends. I don't charge any money since I like tinkering and I may need a favor some time. I don't know how I've never found this site before.

Ok so on to the tv..........

Upon first inspection, I noticed that a screw was missing out of the back so someone has probably already penetrated the neutral zone on the tv.

I did notice that this piece of equipment looks to have gotten toasty. Any opinions on this? I don't see any obvious cap leakage or bulging anywhere else. This is the only abnormality that I've seen. Is there an easy way to test it?

[selldoor]

Re: Vizio M190VA 19" LCD

It is a transformer - they normally run hot. Difficult to test without proper equipment
Are all the fuses in place - if blown do not just replace- could cause more damage.
If it turns on tell us what it does from turn on the stable fault - noises
flashes- what does the power led do? Any sound(audio)
We can help a lot more if you please post good clear pictures of the whole chassis, and then pictures of each board, front and back (in the same orientation) and close up of connectors, (max resolution 2000x2000 and 2MB) using the manage attachments button, which is found by clicking "go advanced" under quick reply.

Please do not post inline and offsite as they slow down the loading of pages.

Examples of what is needed

https://www.badcaps.net/forum/attach...7&d=1280167246

https://www.badcaps.net/forum/attach...6&d=1280167246

https://www.badcaps.net/forum/attach...4&d=1280167246

[todthebod]

Re: Vizio M190VA 19" LCD













Man I hope I'm doing this right. These pics probably suck but I can't get my good camera for a couple of days. The tv does nothing, no sound, no lights or anything. The 13 pin connector on the psu reads the correct voltage on my dmm. The two 3-pin connectors above it say '42.9v' but both only read 17v each.

I do have a spare 23" monitor I can give him if I can't get it fixed. I just thought that I would like to learn more than just looking for obviously bad capacitors and changing them out. I don't want to waste anyone's time due to the fact that I'm probably posting inferior pictures so no worries if I don't get it.

[budm]

Re: Vizio M190VA 19" LCD

This monitor has LEDs for backlights so those two connectors with 49v labels are for the LED backlights. What do you have at the 5.2V pin, that voltage is for running the main board. And also check the 16V pins.