Panasonic VIERA TH-50PV500E Service Hints page 21
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Also See for VIERA TH-50PV500E:
- Operating instructions manual (48 pages) ,
- Service manual (189 pages) ,
- Operating instructions manual (48 pages)
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Trouble Shooting
Power LED
Blink
Trouble
LED
10 times
blink <50
series
(TH-37/42PA50E,
PE50B)>
Trouble
Mode
and
Defective
Board
Trouble
Mode
Defective
Board
(Possibility)
Tuner
Power
SOS
PA,
P,
other
Boards
(
PA,
P
> other Boards]
How
to find
the defective
board
When
Power
SW
ON,
DC14V
output
No(14VNG)
at
PAIO's
(or
PIO's)
1
or
2
or
3
pin
before
Shutdown
?
<
Disconnect
PA10.
Power
SW
ON.
DC14V
output
at
PIO's
1
or
2
or
3
pin'
Before
Shutdown
?
No
s-H
HP
Board]
Yes
(MAIN
or
SUB
Voltage
NG)
Disconnect
PA30
or
H30.
<After
Power
SW
ON,
Power comes
up
?
No
No
(PA
or
DG
or
XV(*1)
NG)
Yes
(H
or
TA
or
Z NG)
^PA50Eb
Connect PA30-H30.
I
ni— crtp
I
^
Remove
XV
Board.
'
After
Power
SW
ON,
Power
comes
up
?
Yes
No
Remove
DG
board,
*DG20's
following pins(*2)^
Short
with
GND
?
Yes
DG
Board
PA
Board
XV
Board
No
Remove TA
board.
<After
Power
SW
ON,
Power comes
up ?
(H
or
Z NG)
~
Yes
TA
Board
Disconnect
H50
or
Z50.
n
0
<
After
Power
SW
ON,
Power comes
up ?
|Z
Board
|
|H
Boardl
(*1)
XV
board
:
PE50B
only
(*2)
Check DG20's
Pin
Number
Pin
No. Voltage
(Normal
Condition)
7
MAIN5V
9
SUB5V
15
MAIN9V
17
SUB9V
18
SUB9V
22
MAIN3.3V
23
MAIN3.3V
21
Power
Supply and
Protection
Circuit
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