Panasonic TH-P54S10A

[CrYpto]

I have a panasonic plasma tv model TH-P54S10a which wont start up . When first switched onThe green led flashes for about 2 seconds and then we get the red led flashing oncethen pauses and flashes again...Can anyone confirm for me that this error code points to the power supply being faulty ETX2MM761MG. Also would anyone have a clue as to where to start in repairing this....Thanks.

[tw2005]

I have a panasonic plasma tv model TH-P54S10a which wont start up . When first switched onThe green led flashes for about 2 seconds and then we get the red led flashing oncethen pauses and flashes again...Can anyone confirm for me that this error code points to the power supply being faulty ETX2MM761MG. Also would anyone have a clue as to where to start in repairing this....Thanks.

Well it could be but more commonly I'd expect A-board and I have no solutions for you either. I had a 54S10 recently 1 blink I was mucking around with. Total basket case. badly corroded, both A board and P board were duff and it was 1 blink.

Now I don't keep notes but I had an A board from a 50 and still 1 blinked, jerry rigged the 50 P board for a quick test and it worked but then panel was screwed with vertical lines.

Put the original 54 A board back in, 1 blink again. That was a surprise.

[tw2005]

From US series S1, should be very close. Don't ask me to explain it.

Plug in the TV

Is there 5V at pin 9 of connector P25/A25?

Yes
Replace the A board

No
Unplug in the TV

Is there continuity between pin 9 of connector P25 and pin 5 of connector P7 on the P board?

Yes
Reseat P25/A25 or Replace the cable

No
Replace the P board

[CrYpto]

Yes 5 volts there so will search for an A board TNPH0704...........thanks for your help.

[tw2005]

Yes 5 volts there so will search for an A board TNPH0704...........thanks for your help.

Do you have a TV graveyard?

[tw2005]

Not a TNPH0784 plus there's a two letter suffix or tztnp01ecua

[CrYpto]

I do have quite a few spares for LG,Samsung and others however not panasonic, and yes you are correct the correct board is TNPH0704GA1a which i guess will make it virtually impossible to find.

[tw2005]

I do have quite a few spares for LG,Samsung and others however not panasonic, and yes you are correct the correct board is TNPH0704GA1a which i guess will make it virtually impossible to find.

Can't be 0704. Yes and yes. I was going to say no. You may get lucky however.

Options would include finding any S10 main board and identifying any difference in EEPROMs or Flash chips and do some fancy desoldering and transfer across to the host board.

You could plant a G10 board but I don't believe there was a 54G10 and then there's likely fans.

[CrYpto]

Thanks tw2005