Service Manual
7-3
1
Is lamp light on?
Lamp part
Troubleshooting
C.
Blue
background shown
on the screen?
Main board &
driver board
Troubleshooting
D.
Yes
No
Screen is OK?
E. Performance
Troubleshooting
Yes
No
No
Yes
Switch to
video & A/V is
working fine?
Change
A/V board
Yes
No
Remote Control
is OK?
Yes
No
2
F. Remote control
Troubleshooting
Содержание EP680
Страница 12: ...Service Manual 2 6 2 2 Exploded overview Please refer to Appendix on page 9 4 for oversize exploded view...
Страница 17: ...Service Manual 3 2 3 1 Whole structure...
Страница 20: ...Service Manual 3 5 3 3 Main board 1 2 V...
Страница 25: ...Service Manual 3 10 3 5 Driver board...
Страница 59: ...Service Manual 6 7 B A C V H D Figure7 Image movement L C Dpa n e l R e d B lu eL C Dp a n elu nit...
Страница 65: ...Service Manual 7 4 2 Keypad is OK Keypad Troubleshooting G Yes No No trouble found End...