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Search: Posts Made By: Davi.p
Forum: Troubleshooting TVs and Video Sources 06-01-2019, 03:45 AM
Replies: 72
Views: 1,616
Posted By Davi.p
Re: Philips 60PFL8708S/12 - QFU1.2E LA - Error code 53

Yes, in fact It's a strange program, i can modify data and set write mode but i've realized the writing is not functional..
Forum: Troubleshooting TVs and Video Sources 05-31-2019, 03:55 AM
Replies: 72
Views: 1,616
Posted By Davi.p
Forum: Troubleshooting TVs and Video Sources 05-30-2019, 10:19 AM
Replies: 72
Views: 1,616
Posted By Davi.p
Re: Philips 60PFL8708S/12 - QFU1.2E LA - Error code 53

From Windows you can use MonInfo software from Entech to read/write EDID..
Forum: Troubleshooting TVs and Video Sources 05-28-2019, 05:36 AM
Replies: 72
Views: 1,616
Posted By Davi.p
Forum: Troubleshooting TVs and Video Sources 05-27-2019, 07:46 AM
Replies: 72
Views: 1,616
Posted By Davi.p
Re: Philips 60PFL8708S/12 - QFU1.2E LA - Error code 53

I cannot wait for the stencil to arrive to know which is the balls size to order and wait another month or two to begin the job.. i think i will spend half an hour or less to place the balls by hand...
Forum: Troubleshooting TVs and Video Sources 05-27-2019, 03:23 AM
Replies: 72
Views: 1,616
Posted By Davi.p
Re: Philips 60PFL8708S/12 - QFU1.2E LA - Error code 53

Which stencil?? I have no stencil obviously.. I will not use it..
My reflow worsen the situation so i go for reballing and if does not work maybe a new chip ordered..
Forum: Troubleshooting TVs and Video Sources 05-26-2019, 01:35 PM
Replies: 72
Views: 1,616
Posted By Davi.p
Re: Philips 60PFL8708S/12 - QFU1.2E LA - Error code 53

Hi Maalobs, can i ask you a pleasure? Can you ask to your repairer which is the size of the balls he used? So i can put hands on the board only one time... I have too many TVs to fix, it's a problem...
Forum: Troubleshooting TVs and Video Sources 05-25-2019, 04:53 PM
Replies: 72
Views: 1,616
Posted By Davi.p
Re: Philips 60PFL8708S/12 - QFU1.2E LA - Error code 53

I think you have understood the method, but the first erase is unuseful 'cause is done by the writing process..
Forum: Troubleshooting TVs and Video Sources 05-24-2019, 10:48 AM
Replies: 72
Views: 1,616
Posted By Davi.p
Re: Philips 60PFL8708S/12 - QFU1.2E LA - Error code 53

Today i've downloaded RT809H & F new software, there's a specific procedure to program those NANDs, i followed a YT video but it's in Spanish, maybe have to press first "Verify bad block", then...
Forum: Troubleshooting TVs and Video Sources 05-24-2019, 03:49 AM
Replies: 72
Views: 1,616
Posted By Davi.p
Re: Philips 60PFL8708S/12 - QFU1.2E LA - Error code 53

This was explained to me by an ebay chip seller..
Forum: Troubleshooting TVs and Video Sources 05-23-2019, 05:12 PM
Replies: 72
Views: 1,616
Posted By Davi.p
Re: Philips 60PFL8708S/12 - QFU1.2E LA - Error code 53

Copying nand chips it's a complicate job since every chip borns with various bad blocks, different from each other, so before writing a dump maybe it's mandatory to update the bad block table inside...
Forum: Troubleshooting TVs and Video Sources 05-18-2019, 03:08 AM
Replies: 86
Views: 1,045
Posted By Davi.p
Re: SHARP LC-80LE633U has open resistor r7133 on PSU

I don't wanna offend anybody, since you talked about customers it seemed you're a professional, but in the previous post you seemed familiar with electronics but since you dont know optocouplers i...
Forum: Troubleshooting TVs and Video Sources 05-16-2019, 04:31 AM
Replies: 86
Views: 1,045
Posted By Davi.p
Re: SHARP LC-80LE633U has open resistor r7133 on PSU

I don't know which meter is a LED tester, i think you don't have to measure that diode, since you have a 5vsb output only sometimes, there's a component that makes defect only at certain moments,...
Forum: Troubleshooting TVs and Video Sources 05-15-2019, 05:19 PM
Replies: 86
Views: 1,045
Posted By Davi.p
Forum: Troubleshooting TVs and Video Sources 05-15-2019, 12:35 PM
Replies: 86
Views: 1,045
Posted By Davi.p
Re: SHARP LC-80LE633U has open resistor r7133 on PSU

Check the psu output connectors if you have an AC_DET signal and if it is high state.
Forum: Troubleshooting TVs and Video Sources 05-08-2019, 06:04 AM
Replies: 86
Views: 1,045
Posted By Davi.p
Re: SHARP LC-80LE633U has open resistor r7133 on PSU

The transistors are ok, the 2 diodes on heatsink D7217,D7218?

In almost every PSU shematic i've seen, there is not a tvs but a shottky or fast diode in the snubber, together usually with a...
Forum: Troubleshooting TVs and Video Sources 05-06-2019, 09:11 PM
Replies: 86
Views: 1,045
Posted By Davi.p
Re: SHARP LC-80LE633U has open resistor r7133 on PSU

Hi, i think you're very lucky to get this tv for free if you will keep it for yourself, also because you don't seem to be much practical with theese, i have to spend thousand dollars to get a beast...
Forum: Troubleshooting Computer Displays 05-06-2019, 03:23 AM
Replies: 6
Views: 274
Posted By Davi.p
Re: Dell SE2416h monitor power cycles - very weird behavior

Bad solderings or bad contact on PSU>interface bd cable, use the handle of a screwdriver to hit the parts in various points..
Forum: Troubleshooting Computer Displays 05-05-2019, 04:40 PM
Replies: 7
Views: 179
Posted By Davi.p
Re: Samsung 2223NW - lines and broken image [pic included]

This has not any sense, i guess there is a contact problem on the lvds connectors.
Forum: Troubleshooting Computer Displays 05-05-2019, 04:21 PM
Replies: 0
Views: 74
Posted By Davi.p
Samsung GH19BS no video

I have this with no video, yes B.L., then fault is within the lcd panel, only by detaching the ribbon connection that connects side Gate Driver board to the Tcon i can flip this and test the voltage...
Forum: Troubleshooting TVs and Video Sources 05-05-2019, 06:12 AM
Replies: 72
Views: 1,616
Posted By Davi.p
Re: Philips 60PFL8708S/12 - QFU1.2E LA - Error code 53

my English is bad, but i feel that i have a good company..
Forum: Troubleshooting TVs and Video Sources 05-04-2019, 06:56 PM
Replies: 72
Views: 1,616
Posted By Davi.p
Re: Philips 60PFL8708S/12 - QFU1.2E LA - Error code 53

Call me crazy but i think my next step could be a home made reballing, the first difficult part is to measure the original balls, i guess a caliper can't do it right but i'm not sure, then i can not...
Forum: Troubleshooting TVs and Video Sources 05-03-2019, 09:24 AM
Replies: 72
Views: 1,616
Posted By Davi.p
Re: Philips 60PFL8708S/12 - QFU1.2E LA - Error code 53

I have already told why.. For the Console shop i say that i repair for money and resell the TVs, i cant demand big works to others...
Forum: Troubleshooting TVs and Video Sources 05-02-2019, 04:05 PM
Replies: 72
Views: 1,616
Posted By Davi.p
Re: Philips 60PFL8708S/12 - QFU1.2E LA - Error code 53

I have tried twice the reflow but cpu sounds dead, i dont know if i can go further since the art of reflowing is not clear to me, not many experiments done, i have another tv of the qfu1.2ela to...
Forum: Troubleshooting TVs and Video Sources 05-02-2019, 11:09 AM
Replies: 72
Views: 1,616
Posted By Davi.p
Re: Philips 60PFL8708S/12 - QFU1.2E LA - Error code 53

No, it was better a memory problem because the reflowing was the first attempt made 2 years ago, the tv that was 95% time working stopped working at all after it.
Showing results 1 to 25 of 500

 
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