Panasonic VIERA TH-50PV500E Service Hints page 15
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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
5
times
blink
< 50"
HD
(TH-50PV500E.B)
>
Trouble
Mode
and
Defective
Board
Trouble
Mode
Defective
Board
P5V
SOS
D,
P,
C,
SC,
SS
Board, Panel
(1C)
How
to find
the defective
board
Disconnect
SC20
and
SS44
<After
Power
SW
ON,
-
Power comes
up
?
No
(D
or
P
or
C
or
Panel
NG]^
No(PorDNG)
Disconnect
all
of
D31-D34. Power
SW
OFF.
No
^Disconnect
SC20
(or
020^0150000601
P25
(or
025).^
After
Power
SW
ON,
P25's 7
or
9
pin
Short
Power comes
up
?
(*1)
withGND?
Yes (SC
or
SS
NG)
— ^Yes
(C
or
Pane
NG)
JC
-|Keep
Disconnect
SC20
(or
D20).|
Connect
D31and
D32.
No
In
Addition,
No
(Disconnect
D33
and D34)
(C1
o
^
^
Disconnect
CIO
(or
C20).
(C2
or
After
Power
SW
ON
After
Power
SW
ON,
Power comes
up
?
Yes
(C4
or
C5
or
C6
or
Panel
NG)
Power
SW
OFF
Oj^Pa
Yes
(Cl
oH Panel
NG)
C2
or
C3
or
Panel
NG)
Disconnect
all
flexible
cables
with
Panel from
Cl
board
No
(ex.
50PX500 CA1-CA3).
>-,
After
Power
SW
ON,
Power comes
up
?
C3
or
Panel
NG)
^
Ye
s
|P
Board
|
In
Addition,
^Disconnect
C21
(or
C31).
(C2
or
After
Power
SW
ON,
Panel
Power
comes
up
?
NG)
Yes
(C3
o^anel NG)
Power
SW
OFF.
No
^Disconnect
P25
(or
D25)..
D25's 7
or 9
pin
Short
with
GND
?
Ye
s
D
Board
P Board
No
Disconnect
all
flexible
cables
with
Panel from
C2
board
No
«
(ex.
50PX500 CA4-CA7).
After
Power
SW
ON,
Power comes
up
?
I Y
es
Disconnect
all
flexible
cables
with
Panel from
C3
board
(ex.
50PX500 CA8-CA11).
After
Power
SW
ON,
Power comes
up
?
.No
Panel
C2
Board
Panel
Cl Board
Panel
C3
Board
Disconnect
C41 and
C44.
,
20pin
of IC(*2)
in
C4
No
(C5
or
C6
or
Panel
NG)
Short
with
GND
?
Disconnect
C50
and C51
<20pin
of IC(*2)
in
C5
Short
with
GND
?
No
(C6
or
t
Panel
NG
<
Connect
SC20
.and
Disconnect SS44.^
After
Power
SW
ON,
Power comes
up
?
^Yes
Yes
(C4
or
Panel
NG
^
Disconnect
all
flexible
cables
with
Panel from
C6
board
No
<
(ex.
50PX500 CB1-CB3).
20pin
of IC(*2)
in
C6
Short
with
GND
?
V^Ye
s
Disconnect
all
flexible
cables
No
with
Panel from
C4
board
<
(ex.
50PX500 CB8-CB1
1).
20pin
of IC(*2)
in
C4
Short
with
GND
?
No
>l
Yes
Disconnect
all
flexible
cables
with
Panel from
C5
board
<
(ex.
50PX500 CB4-CB7).
:
20pin
of IC(*2)
in
C5
Short
with
GND
?
C6
Board
Panel
No
Yes
SS
Board
SC
Board
C4
Board
Panel
C5
Board
Panel
ri)
The
reason
of
disconnect
SC20
is
to
prevent
6 times
SOS
caused
by disconnect
D31 ~D34.
(*2)Check
one
of
the following
1C.
1C
in
C4
board
:
IC7401
or
IC7402
or
IC7403
or
IC7404
or
IC7405
1C
in
C5
board
:
IC7501
or
IC7502
or
IC7503
or
IC7504
or
IC7505
1C
in
C6
board
:
IC7302
or
IC7303
or
IC7304
or
IC7306
15
Power
Supply and
Protection
Circuit
Check
Point Location
SD
MODULE
GS
G
GK
K
S
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