Changed the stks in unit and replaced digital video module if both are in no picture if take out stks get picture not converged (obvious as to why) if take out digital video module nothing ... checked resistors @ stks .....help
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Re: Hitachi PT61HX40B odd problem
Are the STKs the EXACT part number you pulled? I'm assuming that other than bad convergence the set worked ok before changing anything. -
Re: Hitachi PT61HX40B odd problem
Yes the stks are the same....ckd the schematic and are also same number printedComment
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Re: Hitachi PT61HX40B odd problem
Get STK ICs from good electronic resellers. B & D is one you want to get and trusty.
Also you need to verify voltage are all present as there might be blown fuses upstream.
Cheers, WizardComment
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Re: Hitachi PT61HX40B odd problem
Have you tried the new STKs with the old digital video module? Just to rule out one or the other. Process of elimination. Definitely check to verify all voltages are present.
I don't have a schematic for that set but is there a video muting circuit? I know some sets will blank the video if there is some other problem to prevent damaging the CRTs.
Maybe try the STKs one at a time to see if maybe one of them is shorted.Comment
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Re: Hitachi PT61HX40B odd problem
finally got picture ... resistor @ stk wrong now video is like two pictures duplicated on same screen .....not double image like convergence ...any adviceComment
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Re: Hitachi PT61HX40B odd problem
Got picture?
Cheers, WizardComment
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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... -
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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... -
Good morning,
I have a problem with Lenovo T580, which after error code 0288 suggests a problem with the display. I checked the display and it works on another laptop. I replaced the display cable with a new one. I programmed another BIOS (downloaded from this forum) and I still have the problem of a dead display - there is an image via HDMI, and the system does not detect the built-in LCD at all. The problem appears to be hardware. What can I check to confirm or disprove this? I found many threads on the Internet related to this problem 0288, but without specific solutions. Please advise.... -
Hi
Would be greatful for some help regarding this problem.
Tv turns on , Hitachi logo appears with no problems , then depending on how lucky i am i either get a fully working tv for around 5/10 seconds and then the left side of the screen dims down (not dark just dimmer than the right) or sometimes it will just go past the boot logo and go straight to the dimmed left hand side straight away.
Sometimes turning the tv off and then on again will make it fully bright again but it will then dim on the left shortly after.
It is a vestel setup with a 17ips71 (190814R4)...
Comment