Philips DVD580M Service Manual page 27

Diagnostic Software, Trouble Shooting and Test Instructions
5.3.15 No VFD Display
No VFD display but the control keys on front can
be operated normally
Go
Check point : pin 1, 2 (AC1) and pin 31, 31 (AC2)of
VFD on front panel
Observe : check the AC1 to ground is -15.6v AC
and AC2 to ground is - 18v3 AC
No
Check point : R228 on power board
Observe : check the resistor is opened
No
Check point : R217 on power supply board
Observe : check the resistor is defected
No
Solution : Check the diodes D204 and C205, replace
the component if defected
Solution : replace the VFD
Yes
display
Solution : replace the resistor
Yes
R228
Solution : Replace the defected
Yes
resistor
Figure 5-15
DVD580M 5.
CL 26532085-072.eps
EN 27
180702