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sony kv-2780r power on transistor

the 'power on' transistor on the sony kv-2780r seems to be dead ...
can you identify which one it is, type, approximate location on the pcb ...
and/or other associated components that may be also faulty ...
thx in advance 

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SzBálint
SzBálint picture
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solartony
solartony picture

yes, i had it already ... the schematic is partial 3 pages out of 52 total sm,
does not show power supply area ... if you are familiar with the
circuit and this particular problem, plz advise what/where to look for  ...

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