LG OLED guide blog
Repair tips, background on spare parts, and how we work against planned obsolescence.
LG OLED won't turn on – all fault patterns at a glance
LG OLED won't turn on? 9 fault patterns from our workshop: what you see, what causes it and what you can do. With video and rule of thumb.
Beginner
#LG OLED#Fehlerbilder#geht nicht an#Standby-LED#Netzteil
October 15, 2026· 9 min read· 137 views
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LG BU50NST will not turn on: repair or replace the power board
Your LG BU50NST projector no longer responds? Its power board is identical in design to the one in LG OLED TVs. How to find the number and what AmparioWeb can do.
2 min read121 views
LG OLED will not turn on: switch off Quick Start+
LG OLED sometimes does not turn on? Switch off Quick Start+ and test for a few days. If the TV then starts reliably, you know whether the feature is involved. How to run the test and how to read the result.
3 min read128 views
LG OLED burn-in & pixel cleaner duration
LG OLED burn-in vs image retention, Pixel Refresher / pixel cleaner duration, and why standby with mains power matters — AmparioWeb on the supply link.
3 min read214 views
More articles.
LG OLED dead pixels at edge
LG OLED dead pixels at the edge? Panel ageing vs burn-in — distinction and when to diagnose instead of hoping for a power supply board.
Intermediate
#LG OLED#tote Pixel Rand#Panel#Alterung#Kante
September 17, 2026 · 1 min read196 views
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LG OLED HDR crash
LG OLED HDR crash while playing? Often firmware, app or HDMI handshake — checklist before hardware blame.
Intermediate
#LG OLED#HDR Absturz#Firmware#Software#webOS
September 17, 2026 · 1 min read179 views
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LG OLED Content Store
LG OLED Content Store won't load or apps missing? Network, account, webOS update — software, rarely the power supply board.
Intermediate
#LG OLED#Content Store#App Store#Software#webOS
September 17, 2026 · 1 min read182 views
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LG OLED eARC no sound
LG OLED eARC no sound to the soundbar? HDMI cable, eARC port, pass-through and software — rarely a power supply board issue.
Intermediate
#LG OLED#eARC#kein Ton#Soundbar#HDMI#Software
September 17, 2026 · 1 min read200 views
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LG OLED HDMI no signal
LG OLED HDMI no signal? Usually cable, input or AV device — checklist and when our power supply board repair is worth a look.
Intermediate
#LG OLED#HDMI kein Signal#AV#Kabel#Eingang
September 17, 2026 · 1 min read202 views
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LG OLED mainboard or power supply
LG OLED mainboard or power supply board faulty? Diagnosis order without blind buying — AmparioWeb helps map, repair and tested parts.
Intermediate
#LG OLED#Mainboard#Netzteil#Diagnose
September 17, 2026 · 1 min read213 views
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LG OLED standby LED off
LG OLED standby LED off and won't turn on? Dead set vs power supply board start chain — AmparioWeb helps with diagnosis, repair and parts.
Intermediate
#LG OLED#Standby LED aus#geht nicht an#Netzteil
September 17, 2026 · 2 min read205 views
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LG OLED stays black
LG OLED stays black with no picture? Check standby, triage power supply board vs panel vs mainboard — AmparioWeb helps with diagnosis, repair and parts.
Intermediate
#LG OLED#bleibt schwarz#kein Bild#Netzteil#Panel
September 17, 2026 · 2 min read300 views
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Timer plug OLED pixel refresh
Cutting power overnight with a timer plug often stops the Pixel Refresher. How to spot the risk and shut the TV down more safely.
Beginner
#Timer plug#Pixel refresh#OLED#Standby
September 16, 2026 · 2 min read189 views
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LG OLED vertical stripe
LG OLED with a vertical stripe or line? Often panel or T-Con — when AmparioWeb can help with power supply board/mainboard and when panel failure gets costly.
Beginner
#LG OLED#vertikaler Streifen#Strich im Bild#Panel#Diagnose
September 16, 2026 · 3 min read206 views
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LG OLED turns itself off
LG OLED shuts itself off or clicks and goes dark? If the standby LED then stays red and every attempt to switch on clicks, experience shows the mainboard is faulty.
Intermediate
#LG OLED#schaltet sich aus#klickt#Netzteil#Reparatur
September 16, 2026 · 4 min read211 views
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LG OLED TV won't turn on
LG OLED won't power on? Aging 820 nF film capacitors in the power supply board often cause it. Spot capacity loss — AmparioWeb repairs or supplies a tested replacement power supply board.
Intermediate
#LG OLED#Netzteil#Kondensatoren#820nF#Reparatur
September 16, 2026 · 5 min read409 views
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LG OLED trips the fuse on power-on
LG OLED trips the breaker or RCD when plugging in or turning on? Often a short in the power supply board's primary. Safety, high-level diagnosis and AmparioWeb help.
Intermediate
#LG OLED#Sicherung fliegt raus#FI-Schalter#Netzteil#Einschalten
September 16, 2026 · 4 min read212 views
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Carli capacitors on LG OLED – C1/C2 faults
Carli capacitors / C1 C2 / 820 nF in LG OLED power supply boards: forum names, capacitance loss, why a tested board often beats DIY soldering. AmparioWeb repairs and supplies tested power supply boards.
Intermediate
#Carli Kondensatoren#LG OLED#C1 C2#820nF#DIY
September 16, 2026 · 2 min read203 views
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LG OLED fuse blows / overvoltage trip
LG OLED blows a fuse when plugged in or powered on, or overvoltage / RCD trips? Often a short at the power supply board input. Safety, triage and AmparioWeb help.
Intermediate
#LG OLED#Sicherung#FI-Schalter#Überspannung#Netzteil
September 16, 2026 · 3 min read193 views
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Replace the LG OLED power supply board
Swap the LG OLED power supply board / power module: find the EAY number, cost vs manufacturer, safety (discharge caps). AmparioWeb supplies tested boards and fixed-price repair.
Intermediate
#LG OLED#Netzteil tauschen#Versorgungsmodul#Platine#DIY
September 16, 2026 · 2 min read202 views
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LG OLED clicks in standby
LG OLED clicks irregularly in standby? Often pixel refresh / maintenance — sometimes power supply board instability. How to tell them apart, with AmparioWeb next steps.
Beginner
#LG OLED#klickt im Standby#Pixelschoner#Netzteil
September 16, 2026 · 3 min read192 views
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LG OLED clicks twice and turns off
LG OLED clicks twice then shuts off, or clicks with no picture? Relay engages, protection aborts start — often power supply board, short or panel load. AmparioWeb helps with diagnosis and repair.
Intermediate
#LG OLED#klickt zweimal#klickt aber kein Bild#Relais#Netzteil
September 16, 2026 · 3 min read304 views
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LG OLED won't turn on – red LED blinking
LG OLED won't turn on and the red LED blinks? Count the pattern, triage power supply board vs mainboard vs panel — AmparioWeb helps with diagnosis, repair and parts.
Intermediate
#LG OLED#rote LED blinkt#geht nicht an#Netzteil#Blinkcode
September 16, 2026 · 5 min read331 views
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Pixel Refresher could not be completed
LG OLED “Pixel Refresher could not be completed”: what short vs long refresh do, why HDMI-CEC, Quick Start+ or a failing power supply board abort the run — and which checks actually help.
Beginner
#Pixel refresher#LG OLED#Pixel refresh#Error message#Panel care
September 15, 2026 · 4 min read324 views
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LG OLED Power Board EAY65689424: Tracing the Startup Path — From the Relay to the SSC3S900
Fault-finding on an LG power supply board EAY65689424: from a weak relay click through optocoupler CTR to cracked 0402 resistors in the SSC3S900 controller's startup path.
September 11, 2026 · 9 min read213 views
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MembersLG OLED EAY65689411 / 423 / 422 / 425: CARLI 820 nF, MOSFET Failure and a Faulty MD6752 – DVCC Short as the Key to Diagnosis
Repair case for the LG OLED power board EAY65689411/423/422/425: how a weakened CARLI 820 nF capacitor destroys the power MOSFETs and, as a consequence, damages the Sanken MD6752 — and how a simple DVCC resistance measurement confirms the fault beyond doubt.
September 11, 2026 · 7 min read240 views
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