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2. CIRCUIT DESCRIPTION
(ER-1911/2386)
Circuit block diagram
Voltage
regulator
Printer power source VP, VM
Display power source VDISP
AC power
Power
Do-DC
Drawer
Buzzer
converter
Power ON/OFF switch
Strobe signal
ol aise
peta
ae
LsI
Mode switch}
S808 x
uPD75217
Receipt
ON/OFF
cutoy
Address|
Latch
Power
Ad-
switch
dress
Operator
_ _ side
display tube
display tube
9MT9BG
PMT98GY
RAM
HM6264,
Fig. 2-4
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