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LG RZ42PX11 goes negative

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fincaman:
Hello all I am a newbie but oldie, I was a TV engineer for many years of my life but am now retired (well semi) I have an LG RZ42PX11 the picture flickers and goes negative looking and sometimes goes into vertical ragged bands. I saw a post by "Norman" saying replace C203, C36 and C72, unfortunately because it is so many years since I repaired a TV I Don't know which is the Y-SUS board, can anyone help me with this fault and board identification.

Turnip:
Hi,

I miss our Norman too - many folks (Buffy etc) seem to have become Quuq extinct.

Bet it's your Z-sus popped, sits RHS with back removed, has two fuses top LHS, usually blown. Fets under aluminium heatsink blown.

Common fault so few spares about - odd Eastern sites offer domestic solutions

fincaman:
Hello There, Thank's for your help I will try that early next week but it does seem strange how fuses can be blown and still get a normal picture at times

daz:
hi
this is the y sus pcb (see pic)
and this is the kit you need

http://www.chsinteractive.co.uk/electrical-components/spares-televsion-audio-video/kits-repair-modification-and-upgrade/grundig-1/repair-kit-capacitors-pdp42v6-ysus-6871qyh029a.htm
good luck
daz

daz:
i have also noticed of late, a decline in the number of fellow tele bashers on the site,
perhapse they have all retired to the sun and are living it up. :brinda:

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