Description & Functionality

• The BAXL main board houses:

  • HDMI ports (including ARC/MHL support)

  • USB hub and interface

  • IR receiver, Ethernet PHY, IR RX

  • Video decoder and main board processor

  • Audio amplifier and CVBS/component input processing

  • Wireless LAN module and tuner interface (via TUS board)

• Power/Control logic:

  • Accepts 19.5 V DC from external adapter

  • Internal regulators generate standby 3.3 V and operational rails

  • Controls LED backlight signals (PWM, ON, ERR lines)

  • Interfaces with T‑Con panel and local dimming (LD) board via LVDS connector

• Diagnostic indicators:

  • LED blink codes are tied to this board: e.g. 2× blink = main board fault, 6× blink = likely panel or LVDS failure, while T‑Con is integrated.

  • HDMI switch IC (SII9187CNU or equivalent) may fail and cause signal input loss in some cases

Main Board: 1-880-238-21

• Processor: MT5388GFMG

• Memory: H5PS5162FFR (DDR2)

• Flash Storage: K9F1208UOC (NAND Flash)

• Audio Amplifier: TPA3110D2

• Tuner: TEQE8-L01A

• Communication Interfaces: I2C, UART, JTAG

• Audio IC: NJM2779

• Panel Interface: Dual-channel LVDS

• Memory Interface: 16-bit PWM

• Flash Memory: 64MB NAND Flash

🖥️ Display Panel

• Model: LTY320AP04

• Type: LCD

• Resolution: 1366×768 (720p HD)

⚡ Power Supply

• Module: PSC10308D

• PWM Controller: SSC9513

• Power Switches: K10A60D, TPC8119

• Inverter: SSI320_4UG01

• Transformer: CU320S6 101S

• Switching Devices: MDD1752

🔌 Connectivity & Inputs

• HDMI Ports: 3

• Component Video Input: 1

• Composite Video Inputs: 4

• Audio Inputs: 7 channels

• RGB Input: 1 channel

• USB Port: 1

• PC Input: Yes

📺 Additional Features

• Picture-in-Picture (PIP): Supported

• Audio Output: 2 channels

• Standby Power: 3.3V

• Firmware Version: 06/10/2010

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