Re: Vizio VM60P HDTV10A No signs of life except speaker pop when unplugged
same is true coming out of line filter supply to the lower big supply .
same is true coming out of line filter supply to the lower big supply .
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Re: Vizio VM60P HDTV10A No signs of life except speaker pop when unplugged
same is true coming from line filter supply to the lower power supply same readings.Comment
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Re: Vizio VM60P HDTV10A No signs of life except speaker pop when unplugged
weird ok i retested red probe to red black probe to blue and it started out at .9 volts and climbed slowly to 1.5 waited and it climbed to 4.1 so its trying....Comment
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Re: Vizio VM60P HDTV10A No signs of life except speaker pop when unplugged
I'm in my uni dorm at the moment, I have nothing to do and don't have to go to anything until 13.00 tomorrow. (Just fresher's week now.)
OK, so I think your fuse is blown. Set your meter to ohms. UNPLUG THE TV (VERY IMPORTANT!!)
Test across the highlighted fuse, you should see less than 2 ohms if the fuse is OK.
If it is blown, suspects are the bridge rectiifers and power MOSFETs. The bridges would be nice and easy. You can replace the fuse, unplug the main power connector (so you've only got the one board plugged in) and see if it then blows the fuse again, if it does, then it is the bridges, otherwise, it is something on the other boards.
It is common for high voltage caps to self charge to a few volts, usually after they have been suddenly discharged. Very strange effect - something to do with dielectric absorption.Attached FilesPlease do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
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Re: Vizio VM60P HDTV10A No signs of life except speaker pop when unplugged
ohm set to 200 i get .1 to .3 ohms no open circuit..Comment
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Re: Vizio VM60P HDTV10A No signs of life except speaker pop when unplugged
OK, so fuse is good. Next suspect is these power resistors.
Pull the board from the TV and check the resistance of each. You can test the leads on the PCB. I think each should be under 20 ohms. If you find one open circuit, then that may be the problem.Attached FilesPlease do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
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Re: Vizio VM60P HDTV10A No signs of life except speaker pop when unplugged
thanks again yeah its a misterious one. i am at work till 7:00 pm eastern time then to home i can pull power boards to do some component testing but will not be able to power test it till 10 am following morning.Comment
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Re: Vizio VM60P HDTV10A No signs of life except speaker pop when unplugged
This test should be done with the board removed.Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
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Re: Vizio VM60P HDTV10A No signs of life except speaker pop when unplugged
ok 2 of them are 22ohms and other 2 are 5k ohms in circuit test reveals that the 22 ohm pair reads 11.3 each consistent the 5k pair reads 11.3 as well and dmm set to 200 and i pulled one yesterday and the 22 ohm one read exactly 22ohms.Comment
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Re: Vizio VM60P HDTV10A No signs of life except speaker pop when unplugged
Are they all marked 22 ohms or otherwise?Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
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Re: Vizio VM60P HDTV10A No signs of life except speaker pop when unplugged
2 are 22ohms and other 2 are marked 5k ohmsComment
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Re: Vizio VM60P HDTV10A No signs of life except speaker pop when unplugged
OK, so the resistors are good. Can you get a picture of the underside of that board with the traces/green side clearly visible? That 3 pin connector - does it go to the main board, or to a power supply board?Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
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Re: Vizio VM60P HDTV10A No signs of life except speaker pop when unplugged
the 3 pin goes from the line filter to the bottom power supply color codes are red/blue/black camera sucks won't do the text on the boards fer crap..Attached FilesComment
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Re: Vizio VM60P HDTV10A No signs of life except speaker pop when unplugged
How sure are you those resistors are 5k? Looks like two of each in parallel, then tied in series. Test from here to here - should be around 22 ohms.Attached FilesPlease do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
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Re: Vizio VM60P HDTV10A No signs of life except speaker pop when unplugged
2 of them are clearly marked 22 with the omega symbol ohms and i desoldered the 1 from the other set and discovered it is 22 ohms as well sorry bout that weird thing is 2 of em says f5k then 22ohms then the other pair says 5k 22ohms so your correct anyhow
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Re: Vizio VM60P HDTV10A No signs of life except speaker pop when unplugged
at the resistors i get 11.3 ohms each however if i go from leg from one to the last leg on the other i get exactly 22ohms in series like you saidComment
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Re: Vizio VM60P HDTV10A No signs of life except speaker pop when unplugged
The resistors are good, so the problem is the relays aren't being energised. Can you install the board in the TV and check the voltage on each of the three pins of the connector. If you press the power button on the TV, nothing happens?Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
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Re: Vizio VM60P HDTV10A No signs of life except speaker pop when unplugged
ok power button does not do squat its directly connected to the mainboard which does not get a lick of juice that i can find goin in or out ....red lead to red wire /black lead to black wire reads 53v to 54volts ......
red lead to red/ black lead to blue wire reads 5.1 to 5.6 volts
red lead to blue wire / black to black reads 58 to 58.8 volts
pressing power button on each test does nothingComment
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Re: Vizio VM60P HDTV10A No signs of life except speaker pop when unplugged
I should have been clearer... I've got another way of testing it anyhow. Can you see if there are any components next to these relays? Might be diodes...Attached FilesPlease do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
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Re: Vizio VM60P HDTV10A No signs of life except speaker pop when unplugged
yes they are diodes good eye diodes on right test 004 both ways in circuit diodes on left test same way 004 both ways with the dmm set to diode of course...does not seem right should i desolder and retest?Comment
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Vizio e601i-A3 - Has Sound and Display, But No Backlight - Bad Power Supply Board or Bad LED Bulbs ?I was given this TV from my great uncle. He said it just wouldn't turn on one day out of nowhere, replaced the TV, and gave it to me to possibly fix and use for myself.
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.
With my Playstation 4 connected via HDMI, and running a game I can hear sound.
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vizio e650i-a2 (LWJAOZBP Serial) led backlight flashes then turns off, has video (via flashlight) and audio.
panel: au optronics T650HVN05.4
72 led total on 12 strips, 6 led per strip wired in three groups of 24 (led driver board has three anode and three cathode pins)
link to datasheet: https://datasheetspdf.com/pdf-file/8.../T650HVN05.4/1
Vizio 56.04219.641G (liteon PA-3231-01WN-LF) Power Supply Unit
https://www.shopjimmy.com/vizio-56-0...-power-supply/
Vizio 55.75J01.001G (91.75J10.004G) Main Board... -
Hi.
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... -
Failure Symptom
No picture, just red vertical stripes. Google search shows quite common problem for these recent Vizio M series although red vertical stripe pattern may differ. Some call it "Netflix" boot screen haha.
Where is the short?
Panel has 4x buffer boards. Quickly found the 1/4 panel buffer board with the problem by selectively disconnecting buffer board flex cables.
Having recently fixed another Vizio with similar symptoms that was a shorted ESD diode array ( link ) Probed the ESD diode array but... -
Bug looks like hardware so thought I posted it here. Exact same behavior on 2 different model 4K Vizio TVs running their SmartCast smarttv software. After launching youtube app, press vizio button on remote to return to the smarttv menu, once in awhile, a column of bad pixels will show for few seconds on the left hand side.
It seems the vizio software is reinitializing hardware when returning to the smarttv menu. In general, SmartCast software isn't very good. Also will randomly (relatively infrequent) get no network connection when on wifi and require reboot....
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