Phillips 52PFL5704D/F7 main board

[budm]

Re: Phillips 52PFL5704D/F7 main board

There are tiny tiny pins come out at the bottom of the white plastic, the pins are surface mounted and you can see that they are connected to some of the copper traces with vias on them, the vias do not have solder mask on the them so you will not get good electrical contact to take the readings.
But let's says that we see big different in the voltage readings, the question will be how to figure out which component is bad, I think the bad part is the IC on the right side of the board.

[whatusername]

Re: Phillips 52PFL5704D/F7 main board

go back to post 29 max zoom on the pic and look at the corner of the ic where it reads 128 and tell me if u see what i see

[whatusername]

Re: Phillips 52PFL5704D/F7 main board

i will test the vias pins now

[budm]

Re: Phillips 52PFL5704D/F7 main board

It has blackened look to it, not sure if something burn up at that corner or not.

[whatusername]

Re: Phillips 52PFL5704D/F7 main board

yea it does and those pins are too tiny and hard to test but the first few were 5.3v 0v 31.4v 0v 1.9v 0v then i couldnt test anymore

[whatusername]

Re: Phillips 52PFL5704D/F7 main board

ok bud im using my microscope and dvom at the same time here is a pic of the right side and will post voltages as i find em
ok i got 9 pins in this pic. there are lots more but i got to do it little by little this is going from right to left when i post them and it is the end of the right connector that will be pin 1

i think these are gamma curve voltages but here are the first 9 from RIGHT to left meaning the first right pin = 0v and so on and so on

0v 1.3v 3.4v 3.9v 4.3v 4.7v 5.1v 5.6v 7.3v

[budm]

Re: Phillips 52PFL5704D/F7 main board

The connector are mirror image. It looks a lot of connections from the connector go back to the black IC.

[whatusername]

Re: Phillips 52PFL5704D/F7 main board

yes it would seem that way.. do u still want me to continue measuring the voltages?

btw read post 46

[whatusername]

Re: Phillips 52PFL5704D/F7 main board

the next 9 they have what looks to be either a resistor inline or a fuse its a fuse same voltages both sides

10-18

15.5v 15.5v 3.2v 3.2v 1.2v 1.0v 0.4v 0.3v 1.1v

[budm]

Re: Phillips 52PFL5704D/F7 main board

They may be resistor network.

[whatusername]

Re: Phillips 52PFL5704D/F7 main board

ok well this is a pain to do and im sleepy its 130 am here i will continue this tomorrow when i wake up since i am off

ok well maybe not tomorrow i just saw i got the parts from the other 3 tv's u been helping me with coming in tomorrow morning so i will do them first.. the tcon board for the toshiba the voltage regulators for the proscan and the repair smd kit for the sanyo
then if time permits i will get back on this one.. GN bud thanks for all ur help

[budm]

Re: Phillips 52PFL5704D/F7 main board

OK, let me know if the parts will fixed the other TVs, I cannot keep track of all the TVs I have been helping you with.

[Steamy777]

Re: Phillips 52PFL5704D/F7 main board

Hi i have a problem with my phillips i thing t con
One the picture is great
The second one the yellow has lines in it only yellow and green make the lines in it could it be the t con board or panel