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PDF Book Library Lg 47ln5700 Uh Service Manuals And Repair Guide. and repair guide lg 42ln5700 uh service manual and lg 47ln5700 uh smart led tv.New Original Equipment Remote Controls From Electronic Repair Service. 42LN5700-UH 47LN5700 47LN5700-UH 47LN5790.

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To answer your question, NO, just the LED driver circuit goes high (over 150VDC and back to 76VDC) everything else is just fine.P off have you found it lg 47ln5700 uh smart led tv official factory service repair and workshop manual this service and repair download download and.LG model 47LN5700-UH LED TV. PDF Manual LG BD690 USA Manual.pdf.

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Check standby voltages of 3.5V OK, closed 3.5V to PWR-ON circuit, 12V and 24V rails OK, closed 3.5V to DRV-ON and got 76V at LED driver output, closed 12V to PDM1 and another 12V rail to PDMI2, LED output over 150V and then drains to 76V.Find helpful customer reviews and review ratings for LG Electronics 47LN5700 47-Inch 1080p 120Hz LED-LCD HDTV with Smart. TV kaput. Gave me 4 years of service.I know your the veteran and I respect that but I do not think you are listening, if the LED panel is not hooked up it still does the same thing, leading me to believe it is a problem with the LED driver circuit.

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I have an LG 47LN5700-UH TV. I was watching it and it

You are correct that the main board handles the switching, I am not hooking anything to the PWM dimming circuit for whatever unknown reason to you, I am manually switching circuits on in the power supply and LED driver to troubleshoot the board because the LED driver output voltage is too high and then shuts itself off thus causing the backlight issue.Tv operates normally including sound and changing inputs using a flashlight to see the screen except the back light comes on and goes off and by closed I mean connected and no relation bjlasota and your the same guy from the other forum SMH and LOL.

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I can solder and can use multimeter and have both, there are no bad caps, have checked some diodes on the board - in and out of circuit, checked all transformers for continuity on the primary and secondary sides, and definitely checked all fuses.But after revising my work I have a better description but tells the same thing.These are what the input and output voltages that are supposed to be coming out of power supply and LED driver.All service manuals are in English unless otherwise specified.

Download 42LN5700 manuals,. 55LN5700-UH 50LN5700-UH 47LN5700-UH 42LN5700-UH.This Service Manual can help you recover, restore, fix and repair LG 42LN5700 (CHASSIS LT33B) TV.I am going to get a new board and I will take pictures for posterities sake of old and new just to show the Vet that it is not a problem with the LED panel.

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LG 47LN5700 Smart LED TV factory service, repair and workshop manual.Compatible with: LG 42LN5700-UH 47LN5700. LED TV. Compatible with: LG 42LN5700-UH. service selected and.Repair guides and support for your LG TV. LG Television 47ln5700-uh: black screen with faint images. Free Manuals. 109,487. Solutions. 8,988. Devices.manual is used download lg 47ln5700 uh service manual and repair guide lg 47ln5700 uh service manual and. 32ln5700 led tv from lg electronics authorized service de...PDF Book Library Lg 47ln5700 Uh Service Manuals And Repair Guide. the latest book from a very famous author lg 47ln5700 uh smart led tv official.This service and repair manual is used by the Certified LG Technicians.

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Any help would be appreciated and am comfortable with most component level repairs.If you are looking for a 3D TV, try 47ln5700-uh LA series, manual is the upscale version.Manual Tv Lcd Buster 42 LCD TV Service Manual LG LED TV. (42LN5700 -UH).

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So I will give you a run down of what I did and where I am at.

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Google Book Official Lg 42ln5700 Uh Service Manuals And Repair Guide Summary Ebook Pdf:. 42ln5700 uh service lg 47ln5700 uh smart led tv official factory service.If there is any more information you need please feel free to contact me and I hope I was specific enough without sounding like too much of a NOOB.LG-47LN5700-UH Smart LED TV Official factory service, repair and workshop manual.Lg 47ln5700 Uh Service Manuals And Repair Guide Ebook Download,.

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