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Hi everyone,

I'm trying to repair a philips 55PUS7809 with power but no picture.

After disassemblying it, I found out that a Q3 transistor had blown away on the T-Con board réf. 6870C-0502B (LG Display)

Anyone could help me finding the diagram of this board?


Thanks a lot.

04/07/2019 : I ordered the board on aliexpress.com

10 days after, I received a refurbished board with one inductor case broken. Also I had to pick up a LVDS lever from the old board to replace one missing 
on the new board.

After plugin everything back, Tv is working again !!

Bought 1400€ 5 years ago, I'm happy to fix it with only 8€ (shipment included)

THanks Aliexpress !!!

 

UPDATE: Note: This Model and CUC220, CUC720 almost identical My family b. this TV in 80' And worked ~15 years In 90' Black screen ... with Pot. in 100% Brightness, Contrast. In the end 90' puff doesn't work at all. Someone try repair but ... the same black screen. They reported ... try fix and get > Brightness In past 6 months, I repaired and new life come from the set, but now we get too much Brightness In your opinion ... the person try Adjust ... fix what? ABL - Automatic Brightness Limiter setup, regul.? R2533 R2538? Thank you for your comments, info. Ruy Please your comments: Brightness and Colour Pot. -> OK But Contrast Pot.: I can' rise ... NO FOCUS and washed out -> I only see a Blank RASTER. Best Regards, Ruy





__________________________________________________________________________________ ORIGINAL / PAST MSG Hi,
Super Color A 7100
The other sub-models in pag.1 - pdf
right bottom
elektrotanya.com/grundig_cuc120.pdf/download.html

The screen is black ... and we notice from time to time (when the image is very brig.) some small part of image.
Very few dots.

I tested the G1 2X V, G2 5XX V, Heather - G and J Volts in the neck of Cinesc.

Power Supply I tested +A 115 V, +C 200 V , +B 12V, +M 19V

In Pag. 6 - SSB and SB?         T2533

Thank you,
Ruy __________________________________________________________________________ Work with servers - OpenBSD, NetBSD, FreeBSD, Linux. Love Oscilloscope :-) , Repair, Satellite Dish, Multimeters. Have a Big Satellite Dish farm.

Sziasztok, hoztak hozzám egy Sencor fantázianevű led tv-t aminek annyi tünete volt hogy bekapcsolás utána a Sencor felirat megjelenik, majd pár másodperc után újraindul. A következő linről http://www.ebastlirna.cz/modules.php?name=Forums&file=viewtopic&t=69778 letöltött firmware USB-re másolva sajnos fordított képpel elindul a gép de a színek is olyanok mint ha 16színes lenne. Ezen a linken http://www.elektroda.pl/rtvforum/topic3262738.html#16010149 le lehet még egy firmwaret tölteni de sajnos nem tudom. Ha valaki esetleg letudná nekem nagyon megköszönném. Üdv.: Irkax Megoldva Balage és Skorpio kolléga segítségével.

BLACK&WHITE
24D6 S/N :15F00817 main:(T.VST59S.95) DUMP 

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