Hello, and how is everybody doing? This Vizio's volume controls don't work on the tv and the remote... I don't yet have this tv, its waiting to be picked up... I'm wondering if this could be firmware or stuck, bad button on the televisions button panel...
Vizio 55" M550SL No volume up or down
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Re: Vizio 55" M550SL No volume up or down
We need more information. Does the volume bar shows when you change the volume? -
Never stop learning
Basic LCD TV and Monitor troubleshooting guides.
http://www.badcaps.net/forum/showthr...956#post305956
Voltage Regulator (LDO) testing:
http://www.badcaps.net/forum/showthr...999#post300999
Inverter testing using old CFL:
http://www.badcaps.net/forum/showthr...er+testing+cfl
Tear down pictures : Hit the ">" Show Albums and stories" on the left side
http://s807.photobucket.com/user/budm/library/
TV Factory reset codes listing:
http://www.badcaps.net/forum/showthread.php?t=24809Comment
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Re: Vizio 55" M550SL No volume up or down
I just called to see if I could get this tv and apparently I was to late, thanks so much for being here, this is a great place to gain knowledge. I'm addicted to this stuff, I can't get enough... If there is ever anything that I can do to help, I'm on it. I'm a journeymen Electrician certified by the state of Arizona and very well versed in NEC AND NFPA 70 codes I have that knowledge to offer anytime!!!
It's second nature to me so don't hesitateComment
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Re: Vizio 55" M550SL No volume up or down
Well alright then, THAT'S the kind of enthusiasm I like to see, hope you get the next one.Comment
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by karthurOn this Vizio D65x, the volume will change on its own. I don't mean like during commercials where the volume will increase. I mean its like the (+) volume button on the remote is pressed and the actual volume dialog is displayed on the screen going up. It will do this, then the volume may start going down. It might go all the way to "0"or it might stop at a different number, then start going back up. The whole time its doing this, the volume dialog is shown on the screen.
It wont do it until it has been "ON" for 20 or 30 minutes, so it does seem to be heat related.... -
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Upon bringing it home and plugging it up, it showed a standby light.
I powered it on and without a flashlight, the display showed the "V" but the lighting is very dim, but visible.
The screen seems to blackout and stay black, but with a flashlight I can see the display.
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panel: au optronics T650HVN05.4
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https://www.shopjimmy.com/vizio-56-0...-power-supply/
Vizio 55.75J01.001G (91.75J10.004G) Main Board... -
by mrtekHi.
picked up another TV. This time is a Vizio M65-C1. TV does not turn on. I had repaired another 60 inch vizio , Bad main board.
When power button is pressed, the Power led indicator on the bottom right, turns for a few seconds and then it fades away. No backlight or Vizio logo on screen. Removed back cover and repeated test.
This is the TV This TV is a little different from the Samsung I have worked on. Power supply is on the Left side, Main Bd is on the right side, T-CON , not in the picture is on the bottom. I am assuming that the boards in the middle are the LED... -
by crackedprintI have a strange fault on a Sony amplifier. The volume control varies the display from MIN, then 1 up to 30 and then MAX as expected. At MIN there is no sound. However, at 1 it is quite loud and increasing above 1 does not change the sound level.
I have tried a Cold Reset as per the service manual.
I have looked at the I2C clock and data to volume control chip IC501 (BD3499FV). Data is only sent to IC501 when the volume is set to MIN or 1. At any other setting no data is sent to IC501.
I have looked all the way through the service manual and tried many online...-
Channel: Troubleshooting Audio Equipment
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