Sanyo ECR-238 - 20. Refund Operation

14. DESCRIPTION OF CIRCUIT
MBLOCK DIAGRAM
|
CUSTOMER
DisPLay
/¢—YFl.
VF2
POWER
SUPPLY
nee
G1-69
Fl
| OPERATOR DISPLAY
VCC, VCM Ni-Cd
SA-SF, SDP
VLL, VPRE
CMPL. SW. POWER FAILURE
DRAWER WwW
DRIVER a1 | Buzzer |
KRO-KR6
14-1. POWERSUPPLY SECTION
Local AC
on | VLL
Noise Filter | Power Recti fier & DC-DC convertor Fl
hey Smoothing re os
Circuit Transformer fae circuit F2
: circuit
| VPRE
| VPP
!
VPP : 21.5 ~ 22.5 VDC (for Printer, Drawer, Buzzer, | vec, VCM VM
Stamp)
VLL :-25.8 ~ 28.0 VDC (for Display)
F1,F2: 3.8VAC (for Display filament) ¥
voc : 50 ~ 5.3VDC (for IC8, Drawer sensor) | Battery
| Producing Circuit vcc
—~23-