Panasonic TH-65BFE1W Service Manual page 21

SECTION 1 SERVICE INFORMATION
4. 2. Troubleshooting flow
Start
Power On OK?
Yes
Backlight OK?
(No full white)
Yes
IR Remote control, keypad,
and LED OK?
Yes
OSD Image OK?
Yes
No signal?
Yes
Audio OK?
Yes
Function OK?
<65BFE1W>
1.Check adapter AC socket to Flat Panel.
No
2.Check cable connection between power board and
main board.
3.Check power board VCC.
1.Check cable connection between main board and
No
Power Board.
2.Check cable connection between Power board and
LCD panel.
1.Check remote controller battery.
No
2.Check remote controller.
3.Check wire connection between main board, keypad
and IR.
No
1.Check cable connection between main board and
LCD panel.
No
1.Check input cable.
2.Check OSD source set up.
No
1.Check wire between Main board to speaker.
2.Check audio input connection.
No
1.Check main board.