2-2
MALFUCTION CHECK CHART
2-2
No
No
Yes
No
Yes
DVD display
no image
Check video wire and
video socket is good or
bad
Check and change
video wire and socket
decoder card is
broken
VFD display
no show
Check voltage of
filaments for power
board is good or bad
Check the legs of filaments
whether have been short of
earth capacitor
Power board is
broken
Change capacitor
Check VFD screen is
good or bad
Change VFD screen
Check cable is
good or bad
Change cable
Yes
Yes
Summary of Contents for MCD716
Page 8: ... 62 7 5 9 56 21 83 5 0 9 0 ...
Page 10: ......
Page 11: ......
Page 12: ... 2 5 0 ...
Page 13: ...WIRING DIAGRAM ...
Page 15: ...VFD BOARD LAYOUT DIAGRAM 5 2 5 2 ...
Page 17: ...781 5 2 5 287 5 0 ...
Page 22: ...POWER BOARD CIRCUIT DIAGRAM PART1 11 1 11 1 ...
Page 23: ...POWER BOARD CIRCUIT DIAGRAM PART2 11 2 11 2 ...
Page 24: ...POWER BOARD LAYOUT DIAGRAM TOP VIEW 11 3 11 3 ...
Page 25: ...POWER BOARD LAYOUT DIAGRAM BOTTOM VIEW 11 4 11 4 ...
Page 31: ...DECODE BOARD LAYOUT DIAGRAM TOP VIEW 12 6 12 6 ...
Page 32: ...DECODE BOARD LAYOUT DIAGRAM BOTTOM VIEW 12 7 12 7 ...