Look for WE03XX on the board.
Board may or may not have connectors at locations P9202, P2001, & P9301
After installing this part it may be necessary to reset the board by holding the power button for several seconds until the light turns red. Press the power button again to complete the reset process.
MANUFACTURER: Sharp
PART NUMBER: DUNTKE450FM03
ALSO KNOWN AS:
KE450
XE450WJ
QPWBXE450WJN3
WE03XX
WE 0386M
TYPE: Main Unit / Main Board / VGA Input / HDMI Input / A/V Board / Signal Board / Tuner Board / Digital Audio Output / S Video Input
KNOWN MODELS:
Sharp LC-32D44U*
Sharp LC-32M44L
Sharp LC-32SB21U
Sharp LC-32SB220U
Sharp LC-32SB23U
Sharp LC-32SB24U
Sharp LC-37D44U
Sharp LC-37SB24U
Sharp LC-C3234U