FUNAI F42PDME Service Manual page 82

FLOW CHART NO.4
No display. (LVDS CTRL B/D unit)
Check that the specific voltage is input to the following
terminals.
P300 1pin +15V
P300 6, 7pin +5V
P300 8pin +3.3V
Is the LED (D17, D13) following condition?
D17 Flashing
D13 Lighting
Is +3.3V voltage outputted to Pin(2) of IC11?
Is +2.5V voltage outputted to Pin(2) of IC3?
Go to FLOW CHART NO.5
No display. (Z SUS B/D unit)
P300
Checking point
(X1 output)
No
Yes
No
Yes
No
Yes
No
Yes
IC11 IC3
Refer to FLOW CHART NO.2 No display (PDP PS unit)
and FLOW CHART NO.3 No display (Y SUS B/D unit).
Is the X1 oscillating 100MHz?
(Be careful with physical shock. )
Yes
Replace the LVDS CTRL B/D unit.
LED(D17) LED(D13)
LVDS CTRL B/D unit.
2-3-3
No
PDMTR2