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Vizio D50u-D1 Dead: PSU or Main Board?
Hi. Anyone who has experience with these vizio sets, which pin on this connector is the standby, the 5V pin? Trying to rule out the PSU before ordering a mainboard. I'm getting 0 Volts on all pins on this connector. Trying to jump the standby and PS ON pins to see if the PSU is functioning. Thanks in advance.1 Photo
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Vizio D50u-D1 Dead Set No Standby
Hi. I got a Vizio with no power or standby, and won't turn on with remote or button. I checked the voltages on the connector and all read 0.00V or nearly 0(0.050 ON/OFF pin). None of the pins are labeled STB for standby although I do see some 5V pins. Other than the obvious standby led, which isn't coming on, is there a way to check for standby voltage on this PS. I'm trying to see if my problem is the PS or mainboard. Some Vizios I have fixed with no standby led me to think it was the PS but it turned out being the mainboard. Any experience with this set would be greatly appreciated.1 Photo
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Sanyo DP65E34 Backlights off after a 1-2 sec
Hello. I have a Sanyo TV that had no backlights at first. I changed CS9 off the power supply and now the backlights will come on for a second or 2 and go right back off. I can see the image if I shine a flashlight in the screen. Anyone familiar with this particular model and problem, your help would be greatly appreciated. Thanks in advance....Last edited by fharris1977; 03-14-2023, 01:15 PM.
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Re: Vizio D50u-D1 Dead Set No Standby
The only voltages I'm getting are .050 ON/OFF and .038 3D_ON. Everything else is 0.00V....
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Re: Vizio D50u-D1 Dead Set No Standby
The only voltages I'm getting are .050 ON/OFF and .038 3D_ON. Everything else is 0.00V. Any clues on what to check on the mainboard? Trying to repair the board....
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Vizio D50u-D1 No Power Dead
Hello. I have a vizio set that was damaged when lightning struck during a thunderstorm. The fuse in the power supply still tests ok. Is it the power supply or mainboard, because I had the same problem with another vizio thinking it was the power supply but it turned out being the mainboard. The only pins I'm getting any voltage on is ON/OFF .050 and 3D_ON .038. Those are mainly pictures of the mainboard, looks like some type of corrosion or something on it. Any help would be greatly appreciated....
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Re: Vizio D50u-D1 Dead Set No Standby
Hi. It's been a while since I checked for a reply but I'm still trying to fix this one. The only voltages I'm getting are .050 ON/OFF and .038 3D_ON. Everything else is 0.00V....
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Vizio D50u-D1 Dead Set No Standby
Hello. I have a vizio set that was damaged when lightning struck during a thunderstorm. The fuse in the power supply still tests ok. Is it the power supply or mainboard, because I had the same problem with another vizio thinking it was the power supply but it turned out being the mainboard. Any help would be greatly appreciated....
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Re: Sony KDL-60R510A Thin Red line on screen
Hi. I've tried pressing around the top and bottom of the screen but that red line won't budge. I was hoping it was a main board problem because I've never seen a defective panel with a red vertical lines. And I seen where someone had a Sharp set with a thin red line and the T-Con board was the problem with that set.
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Sony KDL-60R510A Thin Red line on screen
Hello. I have a Sony Bravia set which is supposed to be a high quality set. There is a thin red line that runs down the center of the screen. I've have changed the T-Con board and the red line remains on the screen. Asking the experts, do y'all think I have a defected panel? Hopefully not, because I'd hate that such an expensive TV set can't be repaired because of a defective panel. Anyone with experience or knowledge of this issue with this TV set or any similar, I'd greatly appreciate your help. Thanks in advance....
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Re: Samsung LN46C530F1FXZA Dead Set No Standby
Hi thanks. The fuse that keeps blowing is the t6.3ah 250v not the t3. Just was clarifying that in case that's why you want me to test those mosfets and ic. And yeah you're right that filter cap is bulged. For some reason I couldn't see that until I looked at the picture. Do I still need to test those mosfets and ic?
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Samsung LN46C530F1FXZA Dead Set No Standby
Hello. I have a Samsung set that a customer says went out during a power outage or surge. From a visual inspection I see a burn mark on one of the transformers (pics included). Also, when I replace the pictured fuse (the one by the power plug connector) it blows immediately when I plug in the set. Could the transformer be the issue why the fuse immediately blows or could it be something else. I'd greatly appreciate any help. Thanks in advance....Last edited by fharris1977; 09-22-2020, 10:02 AM.
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LG 60PN6500-UA Won't Turn On Standby Only
Hello. On this set when I press the power button the TV does not come on. The standby light remains red. I think mainboard (eeprom) but I'm no expert so I'd really appreciate some help to troubleshoot this TV so it can be repaired. Thanks in advance....
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Sony KDL-60R510A Vertical Red Line on Screen
Hello. I have a sony tv and it has a single vertical line going down the center of the screen almost. I seen a youtube video that suggests it may be the t-con board. Vertical lines usually means the panel is bad which I hope not. If anyone can assist me in repairing this set I'd really appreciate your knowledge....
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How To Determine What LEDs To Purchase For Strips
Hello. I am in the process of refurbishing a lot of LED strips and I was wondering how to determine which LEDs I need for a particular strip. I think I read the number of the strip for instance 3535, is determined by the voltage and the size. Any help would be appreciated. Thanks.
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Re: Hitachi L40C205 lines in display after Backlight Inverter Repair
Hi. These are photos of it with a ps4 attached. The vertical lines in the HDMI box has now vanished after reseating the lvds connector to the tab board. The vertical lines are affected when I push in on the lvds connector. Don't know if its because of movement of the board causing tabs to move or connector or cable itself. The horizontal lines don't ever go away. I think the vertical lines are panel/tab related and the horizontal lines are caused by another issue. What do you think? I've included...
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Hitachi L40C205 lines in display after Backlight Inverter Repair
Hello. I replaced the backlight inverter on this set for a customer and there are lines horizontally and vertically on the display. They show up sometimes I guess depending on the color of the background screen (will include pictures). The customer swears the lines weren't in the screen before the backlight inverter went out. I thought it may be a bad T-con board at first but this set has no T-con board. So if anyone can help, do you think my problem is in the mainboard, the backlight inverter I replaced, the power supply, a cable, or the display (which means the customer is lying or just didn't...
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