hi lads , my backlight stays on about a second then dark screen , inverter is lk-1n220413 ps is lk 1072-005c. any of you lads know what voltages to expect on input cable to inverter ?,there are no swollen caps to be seen anywhere for what thats worth . thanks in advance
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Re: technika x22/14c tv inverter problem?
Posting pictures of the back of your tv showing the boards with clear pictures may help you more with fixing your problem -
Re: technika x22/14c tv inverter problem?
The most common fault with these tvs is the ccfl backlight lamps failing/becoming loose. I repaired 2 of these with the two seconds to black fault by tearing down the screen and resoldering the lamp connections.Please Do Not PM My Page Asking For Help Badcaps Is The Place For Advise, Page Linked For Business Reasons Only. Anyone Doing So Will Be Banned Instantly !
https://www.facebook.com/Telford-Tel...7894576335359/Comment
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For some reason I'm just not going to let this 19" TV defeat me. I guess because I have a schematic to work from I feel like I'm oh so close.
History- while adding a turn-on circuit I let a small screw roll under the power board. Worked through all of that circuitry, probably replacing a MOSFET and PWM controller that were not bad but I was following the service manual. Finally figured out that the power supply is in working order when the inverter section (for the backlights) is disconnected. When the +12 supply to the inverter is disconnected the +12 and +5 will come up... -
I have an LG Plasma TV 60PM6700 for the past ~12 years.
In the last ~3-4 months I have been having some issues.- Problem: It started with random picture disappearing (sound still worked).
Frequency: Happened about once a week.
Solution: Had to turn off TV wait a few seconds before turning it on again. - Problem: Then it got worse and the TV started to shut down and when turning on the no picture just sound.
Frequency: Happened about once a week.
Solution: Had to turn off TV wait about 10-20 seconds and turn it on again to solve. - Problem: TV shuts down
- Problem: It started with random picture disappearing (sound still worked).
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i have a problem with thinkpad X1 carbon gen 2 "LMQ-1MB 12298-2 48.4LY26.021"
The laptop was turned off because the MOSFET was not transmitting voltage. After checking it turned out that the gate pin on the MOSFET was the problem, because it was producing an inappropriate voltage. and it was discovered that the problem was with the Think engine, so I decided to reprint each pin, and finally the mosfet could work properly. However, there is another problem, even though the voltage has been supplied to the laptop, it still won't turn on, there isn't even an LED indicator. After double... -
Hi,
on my previous post with help from this forum i found short circuit GIF5CH60TS-X
I replace it but again give me error for current over 16A.
I measure again and found short circuit between #15 and #16 (Cin and GND).
On PCB i remove R121 to check in which direction is short circuit. But this pin goed
to big copper piece on back side.
So i try to measure over every resistor and capacitor
But i can`t find any short circuit,
On example circuit of GIF5CH60TS-X is labaled that Cin can goes to GND in some cases:
1. Through CSF (i don`t know... -
PC Specs:- CPU: Ryzen 5 1600
- GPU: GTX 1080 Palit JetStream
- MOBO: ASRock ab350 PRO4
- RAM: Crucial Ballistix Sport 2x8GB 3000MHz (XMP 2.0)
- PSU: XFX 650W (don't remember what model)
- OS SSD: ADATA SP920
- OS: Windows 10 21H2
Problem description:
Hi. I have a problem that has been going on for some time (2-3 years). It's hard to explain what it really is. Sometimes, my computer stops playing music, stops videos (starts buffering on youtube), there is no sound in games and when I minimize the game window and return to the game there is a black screen with window borders...
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