Casio PX-780 - Consumption Current Measurement

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8-4. Measuring the Consumption Current
Table of items for measuring the consumption current
NO. InspectionItems
Target Models
Inspection Tool
Inspection
Guide
M53E/M53E2 M54E/M54E2
M55E/M55E2
(M55U)
M56E/M56E2
(M56U)
1 Operational Current O O O O DC regulated power source P.65
2 IDOL Current O O O O DC Voltmeter P.66
3 Print Current O O O O DC Ammeter P.66
Test object IT-3000
Dummy battery pack
Backflow prevention diode
Voltmeter
Ammeter
DC (7.4V) regulated power source
V
A
No. File Name Descriptions
1 DC Regulated Power Source Output Voltage: 0 ~ 10 [V]
Output Voltage: 5 [A]
2 DC Voltmeter 0 ~ 10 [V]
3 DC Ammeter 10 [mA] Range, 100 [mA] Range, 100 [mA] Range, 100 [mA] Range
4 Backow Prevention Diode I
F
= 5.0 [A] max
Composition Diagram for Testin