Download Print this page

Sanyo ECR-238 Service Manual page 23

Hide thumbs Also See for ECR-238:

Advertisement

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
r e
o s
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-

Advertisement

loading