Questions & Answers for: la78040

what is the vertical ic of changhong 21A500PH & where can i buy it? It's LA78040, and you can buy it from any electronics store.

...like vertis streched? If you are you need top check c27 100mfd 35 vdc /c28 100mfd 35 vdv and ic401 la78040. This is a vert retrace problem. PLease leave ...

BPL i short model television it's using La76931 ic problem is single horizandal line i cahange la78040 vertical ic but not cure. Did you check if 24v supply is coming to the chip ( through a fusable ...

la78040 DOBLE H LINE SEEN CENTER OF ON SCEEN. The problem post you have posted haven't enough details to provide a solution.

la78040 powersupplydiately If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/ P/S circuits to ...

could replace the ic la78040 in la78041 ? No! They are not even close in the pinouts.

...my t.v screen in center? I have a LG chana t.v. its main ic is LA76810A and vertical out put ic is LA78040.. flyback no 1010.. when I turned on my tv the white vertical line comes on my tv screen .. ...

where is horizontal output ic in my t.v? problem is that I never see horizontal output ic in tv... LA78040 is vertical out put ic .. that amply the vertical out put current comming from main ic ...

...vertical and horizontal sections ... I have a t.v its main ic is LA76810 and vertical output ic is LA78040... from main ic pin no 23 is for vertical output and this output is imputed on LA78040... ...

What is the difference between la7804 & la78040 No difference to see. But have many.