Re: Philips 49PUT5801/98 PANEL PROBLEMS ON BOTH HALVES




Already did that and see the attached pictures. It breaks my heart!!! Now it appears that after measurement, both sides of the scalar panel PCB are shorted to ground at the set of 4 MLCC caps....

Double Post.

So this Philips TV has backlight but no image. VGH voltage was 0, so decided to buy a replacement TCON board. Fitted new board to no avail. Now panel PCB control boards have multiple shorted MLCC caps on both sides. TCON ICs hot to the touch suggesting that panel drawing more current than usual (internal short?)

Measured voltages on new TCON as follows :
VGH (29.67V)
VGL1 (-4.97V)
VGL2 (-14.89V)
VCC (3.282V)
VCORE (1.202V)
HVDD (7.95V)
VDD (15.97V)
VIN (11.98V)
VCOM1 (4.25V)
VCOM2 (4.63V)

Removed caps that were...

Re: Sony XBR49X900E no picture

This is not a TCON, mainboard or power supply issue.

It is an inverter and backlight issue. Try troubleshooting along that line and use back your original boards.

Re: New Members - please post your introductions here

Hi everyone. I'm here to learn as much as I can from the veterans of this forum. Hopefully you can be patient with me as I have alot of questions which I have so far, very little answers to. Thank you for letting me in, admin.