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Panasonic VIERA TH-50PV500E Service Hints page 7

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Introduction
Introduction of
Power
Trouble Shooting
1
.
These
are
following
2
states of
Power
LED
in
Power
Trouble
A.
No
Lit
(Relay doesn't work)
B.
Blinking
several
times
2,
Basic Idea
of
how
to find
the defective block
A.
Check
if
the voltage
comes
up
Normally,
when Power
ON,
shut
down
occurs
immediately.
So,
check
is
necessary
before
shutdown.
B.
Check
if
power
comes
up,
when
disconnecting the board
which
seems
to
be
defective.
If
power
comes
up
(*)
when
disconnecting a board,
the
board
is
defective.
(*)
"Power
comes
up"
means
"no shutdown".
3.
Adjustment
after
P.C.B.
exchange
When
exchange
the following boards, voltage
adjustment
is
necessary.
Please
refer to
Service Manual.
_
P.C.B
Voltage
Voltage
P
board
Vsus
Vsus
SC
board
Vad
SS
board
Ve
7

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