Toshiba WL56 Series Service Manual page 93

Note: Normally, I2C Bus Lines
(SDA_STBY, SCL_STBY), these
are connected to Cortez line.
When I2C Bus Lines are POD
STBY mode, these are
connected to DB line.
37WL58P
SH.NO.
SIGNAL
405
STD-BY MICRO
(47/65)