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LG TPD.RT2875T.PD781 02-4RT875B55 Power Supply Main Board for TV 55UA73006LA UA73 55

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64.95 €
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LG TPD.RT2875T.PD781 02-4RT875B55 Power Supply Main Board for TV 55UA73006LA UA73 55

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64.95 € 64.95 EUR
64.95 €

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30-day returnsIf it doesn't fit, send it back
Come and see itSan Pedro de Alcántara (Marbella)
24/72h shippingInsurance included
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🇪🇸 Spanish seller · Shipped from Spain in 24/48h · VAT invoice

Main board + power supply (all in one) — LG 55UA73006LA (UA73, 2026)

Design TPD.RT2875T.PD781(T) · main board 4RT875B · sub-reference 02-4RT875B55-C01T (55" version) · GRADE A ZERO HOURS OF USE

Board designTPD.RT2875T.PD781(T) · sub-reference 02-4RT875B55-C01T · barcode LG HC5CR1101789 · H25110107-0A01240
Firmwareetiqueta DTL25 / AH302 / 33.11 / 25.0x (ver fotos)
IncludesMain board combo: main + integrated power supply + WiFi/Bluetooth module SKI.WB663U.2 soldered on board (MAC B404291A507A) · tuner included · original heatsink
Connectivity4x HDMI 2.1 , 2x USB, LAN, satellite/terrestrial tuner, CI+
Extracted fromLG 55UA73006LA (UA73 4K UHD 55", 2026) · Manufactured 02/2026 · S/N 602TAZF25165
ConditionGRADE A — ZERO HOURS OF USE: from a new TV with panel damaged in transit, verified
✓ COMPATIBILITY

TCL (ODM) TPD.RT2875T chassis with integrated power supply. Important: the sub-reference distinguishes the size — this is the 02-4RT875B55 (55") version, not interchangeable with the 02-4RT875B65 (65"). Compare the label on your board with the photos or get in touch by message before purchasing.

📦 24/48H SHIPPING
Anti-static packaging
and protected rigid box		 🛡 WARRANTY
Verified part
Returns accepted		 🧾 INVOICE
Spanish company
VAT included
MULTiTECH · Marbella, Málaga (Spain) · Genuine spare parts from leading brands
🛠️ MULTITECH DIAGNOSTIC BENCH — find the culprit in 3 steps

STEP 1 — The torch test 🔦 (the one that separates a smart purchase from a return): in the dark, switch the TV on and hold a torch right up against the screen. Can you make out an image? The panel and the main board work: your problem is the backlight (LED strips, driver or the backlight stage of the power supply). No trace of an image? Keep reading.

STEP 2 — Standby light and ear 👂: is the standby LED steady, blinking or dead? Can you hear relay clicks or channel audio? Each combination points to a different suspect in the table.

STEP 3 — Find your symptom:

What your TV doesSuspect no. 1Also check
Completely dead, standby LED offPower supplyfuse, mains cable
Standby LED blinks, won't startPower supplymain board
Turns on and shuts off immediatelyPower supply (protection)main board, shorted LED strips
Sound OK, image visible only with a torchLED stripsLED driver, power supply backlight stage
Sound OK, pitch black even with a torchMain board (video circuit)T-CON, LVDS flex
Dark areas or uneven brightness by zonesLED stripsLED driver
Vertical lines or half screenT-CONpoorly seated LVDS flex
Odd colours or negative imageT-CON (gamma)LVDS flex
Poor sound: distorted, rattling or one channel silentSpeakersmain board (audio stage)
Can't find WiFi networks or Bluetooth won't pair (Magic Remote, headphones)WiFi/BT modulemodule flex cable, main board
Frozen image, artefacts, no response to the remoteMain boardfirmware
Thin horizontal lines⚠️ usually the panel (COF flex)ask us before buying

💬 Unsure about your diagnosis? Message us BEFORE buying with your TV's full model number and the symptom: we'll tell you which part you need, no obligation — we'd rather advise you for free than process a return. And if the part still doesn't fix your fault, you have 30 days to return it and get your money back (return postage paid by the buyer).

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