Sony kd55xd9350

[call me al]

Hi all ,have a Sony kd55xd9350 its dead was looking back on old posts and the fault was featured before, ic408 was mentioned and it has low resistance as described .Where can this chip be got or is there a alternative that can be used.Many thanks for any info

[fix2003]

https://uk.farnell.com/texas-instruments/tps54334dda/dc-dc-conv-sync-buck-570khz-hsop/dp/3007342?gclid=CjwKCAjwu5CDBhB9EiwA0w6sLQOfFbhV4tj97oKLs37SpnavUyeKtz0W3dL99rhDjyqqzGx1a4pKEhoCdQcQAvD_BwE&mckv=s8Bi907A1_dc|pcrid|459820069597|plid||kword||match||slid||product|3007342|pgrid|104445605661|ptaid|pla-301390009829|&CMP=KNC-GUK-GEN-SHOPPING-SMEC-WHOOPS-Test725-maxCPA-Step1&gross_price=true

https://eu.mouser.com/ProductDetail/Texas-Instruments/TPS54334DDA?qs=CzouL7iWfZu17GWxs%252BQJ5Q==&vip=1&gclid=CjwKCAjwu5CDBhB9EiwA0w6sLXzRkKsR-XdJPB9BzVlTYsf3sFJkSasCXa6tK7UFfFP_J9XozrTSMBoCXb4QAvD_BwE

https://www.ebay.co.uk/itm/333855226886?chn=ps&norover=1&mkevt=1&mkrid=710-134428-41853-0&mkcid=2&itemid=333855226886&targetid=1140163975809&device=c&mktype=pla&googleloc=9044907&poi=&campaignid=12128858833&mkgroupid=117045676459&rlsatarget=pla-1140163975809&abcId=9300480&merchantid=6995734&gclid=CjwKCAjwu5CDBhB9EiwA0w6sLT1WlthdXMP6qadf_3PwCBrUJ9xbht6Gzti5Kpg6ayTx43iCCzfjEhoCX78QAvD_BwE

[downunder]

Sony now have a revised DSP3 board to prevent future failure of this 24V regulator.                        Bruce