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Dead
Set
Does
3.2 volts appear at
pin 8 of P810 on the
power board when on/
off is pressed?
Yes
No
Does
24 volts appear at
pin 1-5 of P860 on the
power board when on/
off is pressed?
Is
5 volts present at pin 2
of P811 as soon as AC
is applied?
No
No
Suspect the
S power PCB.
Yes
Yes
Do
any LEDs blink after
the on/off switch is
pressed?
Use
the LED blink
chart to help
diagnose the
problem.
Yes
No
Suspect the main
PCB.
Is
3 volts present at
Pin 9 of P810 as soon
as AC is applied?
No
Is
2.9 volts present at
pin 7 of P810 as soon
as on/off is
pressed?
No
Yes
Suspect the main
PCB.
Yes
Suspect the
P power PCB.
9
Содержание REGZA 46RV530U
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