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1. Block diagram
AC input
Power supply
circuit
2. Tax/Euro exchange functions
LSI used for this machine has a tax function and a EURO exchange
function. Either function is selected depending on the destination of the
product.
SPEC
Tax
Model name
CODE
function
EL-2192P
U1C
O
EL-2901E
AC7
AAC /
EL-2901C
ABC /
O
TLC
<Selecting between Tax/EURO exchange functions>
Either of the Tax and Euro exchange functions can be selected by
changing the signal with the jumper cables on the KEY PWB.
<Backup of Tax/EURO exchange functions>
This machine is an AC type which retains Tax data (tax rates and
others) and EURO exchange data in memory only while the AC cord is
plugged in. Therefore, data in memory cannot be retained if the AC
cord is disconnected.
3. PTMFL87 PRINTER CAUTION NOTES
3-1. Servicing
The printer model PTMFL87 (Ki-OB1078CCZZ) used for the EL-2192P
/ EL-2901C / 2901E is available for service by an entire unit and
therefore none of individual service parts is available for supply.
LCD
LSI
Key,SL-SW
Driver
Printer
: Power supply line
: Signal line
EURO
exchange
Country
function
SECL
O
SEEG
SUK, SCA, Agent
3-2. Cautions for handling
(1) Cautions for holding
Hold the sections shown with the arrows to carry the printer.
A
(2) Sections which a force must not be applied to :
1) PWB A
2) Do not turn the front belt B manually.
3) Do not turn the pulley C manually.
4) Do not apply a force to the hammer holder D.
(3) Sections which must not be touched :
1) Do not touch the shaft E with a bare hand.
2) Do not touch the font belt B with a bare hand.
3-3. Detecting Mechanism
The detector is of mechanical contact type and consists of the code
plate to output the character position detection signal to correspond to
each character on the character belt, sensor gear unit to output the
standard position signal, and fixed contact-piece unit.
Code plate
Sensor gear unit
Fixed contact-piece unit
Fig. 1 Detecting Mechanism
Standard signal(SD)
Set signal(S)
Reset signal( R)
CP73
Character position
signal(CP)
Standdard position
signal(SP)
Fig. 3 Time Chart
D
C
E
B
S
SD
C
Fig. 2 Equivalent Circuit
S74
S0
S1
CP74
CP0
CP1
R
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