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Hitachi L32A02A - Troubleshooting: Sound No Picture

Hitachi L32A02A
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OK
NG
OK
NG
NG
Change main
board assembly
OK
NG
TV has
but no
sound
picture
Check CON16 Pin15
Pin16&Pin17&Pin18=12V
Change power
board assembly
Check U23 Pin2 3.3V
Check U1,U2,U10,U29
voltage stable or not
Change main
board assembly
Change power
board assembly
OK
Check CON3 Pin7& Pin8
&Pin11&Pin12=24V
END
Troubleshooting
-33-

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