Help!! Bush / vestel led24127fhddvdw

[st.jimmy05]

Some serious help is required here!!

TV is from an aunt, very little use in the guest room, just "went off"

Nice tv for the bairn, took it hoping to be a bad cap, removed them all, tested all seemed to be within the tolerance range, replaced most off them, except 1 400v 27uf, and one i cant identify which is HYT 30076661

Anyhoooo, TV turns on but goes off after a few seconds, or did, until i fit new transformer, not sure if it's 100% compatible but the main number on it matched so thought yeahhhh that's the one, but new one fitted, it comes on and goes straight off! no few seconds!!

same with old and new it makes a "whine" as if it's charging or something, the "whine" disappears and the TV fires up, then off, few seconds of silence "whine" and repeat!!

gutted it wasn't the original "whiney" transformer, as i badly wanted to fix it for the little love of my life, my daughter who's just gone 6

all boards look in good nick, which was to be expected i suppose, but at a lost end with this, i have a Fluke 115 if there are any tests i can do with it. all solder looks clean, no dry cracked bits etc, my own solder and de-solder are spot on lol

please, any info!!

[ReeceyBurger123]

Re: Help!! Bush / vestel led24127fhddvdw

Checked output diodes ? Where did you get the bad transformer idea from they rarely fail...

[st.jimmy05]

Re: Help!! Bush / vestel led24127fhddvdw

Sorry, I haven't. Could you perhaps provide instructions on how to do so? very grateful for any information

as for the transformer idea, it was the "whine" sound. i thought it's the biggest thing in the middle, get a new un!! lol.. it's all a learning curve for me. thank you for your time and help.