LG EAX66228906 (1.0) Industrial Automation PLC Motherboard: Technical Specifications and Applications

13. Januar 2026

Historical parts record: Photos and notes below belong to this record. Confirm the offered unit’s full model, condition and available test evidence before ordering.

What is the LG EAX66228906 (1.0) board?

Note on the listing title: it calls this an "Industrial Automation PLC Motherboard" — the board is a display mainboard, not a PLC. The EAX66228906 (1.0) is an LG mainboard for the company's commercial-display and hospitality television line: the silk screen carries the platform family (E*53E, variants A.B.C.D.J.L.T.E), the board number EAX66228906(1.0), the design date 15.05.08 and the 265 × 206 mm panel size. What it drives explains the port cluster: two LVDS connectors for the LCD panel, five HDMI inputs, three USB ports (one USB 3.0), an RJ45 Ethernet jack, an RS-232C control port, composite AV, and an RF tuner module (EBL61560402 / TDJM-C451D) — with the BAR CODE and MAC ADDRESS silkscreen that marks LG's networked signage and Pro:Centric hospitality builds. This is the board that brings a 2015-generation LG commercial screen back to life when its own has failed. One board, new, 3-month warranty as recorded at intake. All 8 photos and 1 video below show this exact board.

2 min readContent reviewed 8 October 2026

Part details

EAX66228906 (1.0), as printed on the board
Field	Value
Board number	LG EAX66228906 (1.0)
Platform	E*53E family (variants A, B, C, D, J, L, T, E); design date 15.05.08; board 265 × 206 mm
Type	Mainboard for LG commercial display / hospitality TV
Panel interface	2 × LVDS connectors (P2700 / P400 rows, 24 V 1.53 A panel power markings)
Video inputs	5 × HDMI; composite AV (yellow/green RCA)
USB	3 ports (1 × USB 3.0 blue, 2 × USB 2.0)
Network / control	RJ45 Ethernet; RS-232C serial control port
Tuner	RF module EBL61560402 / TDJM-C451D (1509A22118) with coaxial F-connector
Board bar code	50PSYL13-0002, 63165103, G150E200FA; silkscreen BAR CODE / MAC ADDRESS fields
Construction	LG green PCB, Pb-free soldering, thermal pads on the SoC cluster
Quantity	1 board, new; 3-month warranty as recorded at intake
Shipping weight	2 kg as recorded

Scroll sideways to see the full table.

Values are read from the board silkscreen, the module labels and the photographed connectors in the photo set.

What this board runs, and why it fails

LG's commercial displays — the hotel televisions, digital-signage screens and Pro:Centric builds that fill lobbies and hospitals — are consumer televisions underneath, wearing a service chassis. Their mainboards integrate the SoC, the panel driver, the tuner and the network stack, and they fail the way consumer boards do: a regulator lets go, a solder joint on the HDMI cluster cracks, or the tuner module dies while the panel is fine. The EAX66228906 is that generation's board — the E53E platform from mid-2015, the design date printed beside the board number — and the port cluster tells its story: five HDMI inputs for the media players and set-top boxes a hospitality install hangs on it, the RS-232C port for the property-management control system, Ethernet for the Pro:Centric content server, and the RF tuner for the coax plant that hotels still run. The MAC ADDRESS and BAR CODE silkscreens are the provisioning fields LG's setup scripts read when a screen joins the network. Fitting is a board-level swap: four screws, the LVDS and connector harnesses, and the screen returns with factory-fresh video. One new board is photographed here — the fix for the display that shows a backlight but no picture.