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Re: Vizio V042L FHDTV10A No Video but has sound
It sounds like your inverter boards are working correctly - at least for the most part. Check and comapare the resistances of the transformers, master to slave and slave to master.The strong-minded rise to the challenge of their goals,the weak-minded BECOME HATERS
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Re: FIXED: Vizio V042L FHDTV10A No Video but has sound
Problem was master inverter board. Symptoms were the first screen (type of connection) would blink on for 3-8 seconds then go to a black screen. Could not get past the initial screen so could not use sound as a symptom.
The Db9897FS IC was bad on the master inverter. Purchased new boards from China. They both worked as did the old slave inverter. The Db9897FS chip was bad on the master inverter. This was verified through a series of tests including comparing readings to the new working to the old non-working. Will be posting in the sale section the working slave inverter and the master inverter with the defective Db9897FS chip. Will include a new Db9897FS for anyone who wants to solder the new one in on the master.
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Have a free Vizio E60-E3 pickup - sound and backlights work. set turns on and stays on for a period then cycles off and back on. NO VIDEO. If I remove left side (from front of TV) of TCON cable - set has pic on right side (from front of TV) with white screen on left side. With right side TCON cable disconnected - no pic on either side.
Does this mean remove right side (from front of TV) tabs ?
Like a second opinion before possibly destroying set.... -
I am facing a strange issue, I don't have any sound over my internal MacBook speakers and also the video won't start. If I change to my head speaker or via HDMI (speaker on my external Display) the sound works over the head speaker or Display and also the video starts (ex. youtube).
All happened after the battery ran out of power overall several days when I was on vacation.
I tried to remove the battery and then reconnected the battery, and then the MacBook Pro 14 2021 won't accept any power from my power socket. Then I removed one speaker, connected again the battery... -
When I select the FM receiver, I find a radio station, the sound is heard on REC OUT(L,R), REC TAPE1(L,R),REC TAPE2(L,R) on high-ohm headphones, the sound regulation does not work.
The output reacts when I connect the record player to PRE OUT FRONT L, the sound is heard in the speaker but the sound regulation does not work. Then it does not matter what I chose on the front selector.
I replaced the capacitor C303/0.047F, nothing changes.
I'm asking for help, what should I do next?
Thanks in advance!...08-05-2025, 10:23 PM -
Good morning everyone,
I'm trying to repair an onkyo ht-r390 that has no sound output, despite the volume being at maximum, the rest seems to work; the video output signal (coming from an hdmi input) is present, but the audio is absent. Similar situation if I send an audio signal from any input I have no output.
The firmware reported is the following:
M:1.00/11107BLP
D:?.??/????????
O:1.00/11107AL
The DSP firmware given the question marks seems corrupt.
On the BCHDM-0678 - 25140678 - QPWBCHDM0678A0 board the chip that usually seems...05-11-2025, 02:59 AM -
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