CS-4194H Block diagram
– 2 –
1. Block diagram
2. Power voltage
*
Measure with the rated AC input voltage.
3. Printer speed adjustment
Measuring procedure
1) Connect VSS and P00 signal of LSI to the universal counter as
shown below.
2) Press PF key, and measure the rising interval of P00 signal.
3) Adjust the volume (VR1) to set the rising interval of P00 signal to
the following range.
• MEASURING PIN POSITION
Measurement
point
Power voltage
Remark
F1 - F2
4.5 V
AC
~ 5.1 V
AC
*
14-digit machine
VSS - VDD
4.5 V
DC
~ 5.5 V
DC
Universal
counter
Set
P00
VSS
*
Pull-up P00 signal to VDD.
VDD
*
Pull-up resistor, 10K
222
m
2ms
SPEC : 222
m
2ms
P00
VSS
F1
VDD
F2
VR1
VSS
P00
terminal
