Digi WI-700 - Page 46

HI, MI, WI-700 service manual - 2 - component parts
2-10 Issue 9 04/2020
UPS board - Pico UPS-100
The UPS board controls the circuit for the un-interruptible power supply (UPS) .
The board has a 15.8v input from the power supply LS75-15 and outputs 15.8v to the PC.
The board also supplies a charging voltage to the battery via a relay of 13.5 to 15v
Output voltage of
15.8v to PC
Input voltage of
15.8v from
power supply
Output voltage of
13.5 to 15v to
battery