Toshiba 42WLT66 Service Manual page 94

(1) Firmware :
Version information of microprocessor
In case of file name : WL66_EU and Version : 0326 indicates [WL66_EU_0326].
(2) Time : Total hour of turn the TV on. (Unit : H)
(3) Bus line : -- "OK" is normal
SCL-GND (Red indication) : SCL-GND short circuit
SDA-GND (Red indication) : SDA-GND short circuit
SCL-SDA (Red indication) : SCL-SDA short circuit
(4) Bus cont : --- "OK" is normal.
NG is abnormal (Red indication).
When type name of semiconductor indicates.
(5) Block
UV : TV reception mode
V1 - V9 : VIDEO 1-9 input mode
PC : PC mode
YUV : YUV mode
DTV : DTV mode
WL66P/WLT66/WLG66
UV RF