NEC NC1600C Service Manual page 360

TSENS-**PWB (PWC-4692**) (** - from AA to AH)
POTE* Connect to PJDIV PWB (* = 1 to 8)
1 5V Standby
2 I2C Clock
3 I2C Data
4 GND
"Confidential, Do Not Duplicate without written authorization from NEC."
CONNECTION DIAGRAMS
12-21