Forum: Troubleshooting TVs and Video Sources
07-01-2022, 12:29 AM
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Replies: 4
Views: 100
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Forum: Troubleshooting TVs and Video Sources
06-30-2022, 03:23 PM
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Replies: 17
Views: 2,924
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Forum: Troubleshooting TVs and Video Sources
06-26-2022, 06:59 PM
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Replies: 6
Views: 273
Re: Seiki SE42UMT, Standby Light, No power On
If you have standby light and standby voltage and the TV doesn't turn on, the main board is suspect. Could be eeprom but don't see it in your pics. If you can find the eeprom, you can try freezing...
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Forum: Troubleshooting TVs and Video Sources
06-26-2022, 09:55 AM
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Replies: 5
Views: 213
Re: LG 47LN5400 Replacement backlights
All the LN strips on aliexpress and even shopjimmy are substitute strips. I stick to one or two sellers (not the cheapest) and turn down the backlight to around 55% on ALL sources and apps for smart...
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Forum: Troubleshooting TVs and Video Sources
06-16-2022, 04:12 PM
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Replies: 17
Views: 2,924
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Forum: Troubleshooting TVs and Video Sources
06-13-2022, 03:32 PM
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Replies: 8
Views: 291
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Forum: Troubleshooting TVs and Video Sources
06-13-2022, 08:25 AM
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Replies: 15
Views: 376
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Forum: Troubleshooting TVs and Video Sources
06-12-2022, 03:54 PM
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Replies: 15
Views: 376
Re: LG 42LA6130 did not turn on
LA series is similar to LN series which has high rate of failure of LED backlights. Your original power supply likely was turning on with the backlights shutting down into protection mode or an open...
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Forum: Troubleshooting TVs and Video Sources
06-09-2022, 08:36 PM
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Replies: 24
Views: 6,935
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Forum: Troubleshooting TVs and Video Sources
06-06-2022, 10:06 PM
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Replies: 7
Views: 235
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Forum: Troubleshooting TVs and Video Sources
06-06-2022, 05:25 PM
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Replies: 15
Views: 1,307
Re: Toshiba 50L5200U
LEDs are wired in series like a string of Christmas lights. It only takes one bad LED to shut down the string or to kick in protection shutdown. All the LEDs have wear and will eventually fail...
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Forum: Troubleshooting TVs and Video Sources
06-01-2022, 01:14 PM
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Replies: 3
Views: 211
Re: 55G310U Toshiba Dead
Power supply typically supplies standby voltage to the main board. When the TV is turned on, processor will send a power supply on to fully turn on ps and backlight on signal. If you have no...
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Forum: Troubleshooting TVs and Video Sources
05-27-2022, 08:51 PM
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Replies: 13
Views: 473
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Forum: Troubleshooting TVs and Video Sources
05-24-2022, 02:29 PM
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Replies: 2
Views: 144
Re: Sony KD-70X690E Very Dim
X690E series have backlights that turn blue. They may also burn out and give 6 blink error code. https://techhometravel.com/lg-49uj6500-ub-blue-purple-tint/ Extremely difficult to remove the panel...
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Forum: Troubleshooting TVs and Video Sources
05-24-2022, 08:48 AM
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Replies: 10
Views: 308
Re: LG 42LE4900 no backlight, possibly no display
LE, LV, LW and LS series suffer from BGA failures on the main board. To confirm, heat up the processor with a hair dryer before plugging in. Lots of ebay sellers offering repair service in the US. ...
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Forum: Troubleshooting TVs and Video Sources
05-23-2022, 10:18 PM
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Replies: 3
Views: 186
Re: 60LN5600 white reflective sheet
I did a 60LN awhile ago with the taped down sheet and never again. In hindsight, it would be better to cut out the strips with an exacto knife instead of trying to remove the sheet. I have salvaged...
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Forum: Troubleshooting TVs and Video Sources
05-23-2022, 06:24 PM
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Replies: 12
Views: 236
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Forum: Troubleshooting TVs and Video Sources
05-23-2022, 05:54 PM
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Replies: 12
Views: 236
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Forum: Troubleshooting TVs and Video Sources
05-23-2022, 04:16 PM
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Replies: 12
Views: 236
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Forum: Troubleshooting TVs and Video Sources
05-21-2022, 02:31 PM
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Replies: 8
Views: 1,169
Re: TCL 55S401LHAA No Power
TCLs have lots of backlight failures. Only 2 or 3 rows of LEDs on a TV that size. Panel may also be taped down making the replacement more difficult.
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Forum: Troubleshooting TVs and Video Sources
05-18-2022, 06:43 PM
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Replies: 13
Views: 473
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Forum: Troubleshooting TVs and Video Sources
05-16-2022, 02:20 PM
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Replies: 24
Views: 6,935
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Forum: Troubleshooting TVs and Video Sources
05-07-2022, 10:12 PM
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Replies: 2
Views: 290
Re: Fixed dead Samsung UN50NU6900F
NU series has lots of backlight failures due to edge lit design with lower number of LEDs running brighter and hotter. Rare to see cap failures in LED TVs. Have never seen one personally yet.
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Forum: Troubleshooting TVs and Video Sources
05-05-2022, 10:48 PM
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Replies: 10
Views: 352
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Forum: Troubleshooting TVs and Video Sources
04-26-2022, 08:30 PM
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Replies: 5
Views: 432
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