5.9 IB-583
5-59
5.9.2 PWR Board (16P0211A)
The switching regulator on PWR board operates from 10.8 to 31.2 V power supply.
Output voltage
· +6.5 V, +3.3 V and +5.0 V
· VH1 and VH2 used as LCD power supply
Protection circuit
· Power reverse connection protector (Diode provided, In-line fuse on the power cable
blows out.)
· Input overvoltage protector (32 to 37 V)
· Input lowvoltage protector (7.5 to 8.5 V)
· Over current protector
Fig.5.9.3 Block diagram of PWR Board