No Power / Dead - Panasonic TH-42PZ80U Technical Manual

No Power/Dead Unit (Continue)
Continue from
Previous slide
Do the AC
NO
relays click after
the TV is plugged into
the AC line?
TH-42PZ80/85U
TH-46PZ80/85U
Reconnect A1 and
TH-50PZ80/85U
disconnect connector
TH-42PZ800U
A52. Plug in the TV.
TH-46PZ800U
TH-50PZ800U
Reconnect A1 and
TH-46PZ850U
disconnect connector
TH-50PZ850U
A9. Plug in the TV.
Do the AC
NO
relays click after
the TV is plugged into
the AC line?
Replace
The A board
Unplug the TV and place your
volt-meter on pin 6 of
connector P7. Plug in the TV.
Unplug the TV and
disconnect
connector A1. Plug in
the TV.
Yes
If the cable between connectors K1
and A1 is OK, Replace the K board.
Reconnect A52 and
disconnect connector
A51. Plug in the TV.
Yes
Reconnect A9 and
disconnect connector
A51. Plug in the TV.
Replace
The G board
Is
there 3.2Vor 2.7V at
NO
pin 6 of connector P7 when the
TV is plugged into
the AC line?
If the cable between connectors GS09
and A9 is OK, Replace the GS board.
TH-42PZ80/85U
Replace
TH-46PZ80/85U
The A board
TH-50PZ80/85U
TH-42PZ800U
TH-46PZ800U
TH-50PZ800U
TH-46PZ850U
TH-50PZ850U
34
Yes
Replace
The P board
Do the AC
NO
relays click after
the TV is plugged into
the AC line?
If the cable between connectors GS52
and A52 is OK, Replace the GS board.
TH-42PZ800U
TH-46PZ800/850U
TH-50PZ800/850U
Yes
TH-42PZ80/85U
TH-46PZ80/85U
TH-50PZ80/85U