Special Circuit Descriptions; Power Circuit - Sam4s ER-600 Service Manual

6 Special Circuit Descriptions

6-1 Power Circuit

This system is operated under 120Vac or 230Vac. All data is saved by the Battery when the Main power is turned off.
The power circuit supplies the five different DC voltage sources and one AC voltage source.
No.
1 VDRV (+24VDC)
2 VCC (+5VDC)
3 VBT (+Min 3.6VDC)
SAM4S ER-600 SERIES
SMPS
VCC(+5.0V)
MAIN PWB
Figure 6-1 Power Block Diagram
Voltage
Table 6-1 Power Source Voltage Descriptions
VDRV(+24V)
[For Drawer, Fiscal Volt.]
[Power Fail Source]
Voltage
Regulation
Circuit #1
Battery Volt.
Storage Circuit
Cash Drawer Solenoid Driving
Logic IC Driving / VFD Filament Voltage
Battery Voltage
VCC(+5V)
[For Logic,]
VBT(+Min 3.6.V)
[For Battery Voltage]
Description
6-1