Casio Cassiopeia A-20, Руководство по обслуживанию и список запасных частей

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** Main Menu **
0 AUTO MODE
1 DISPLAY
2 TOUCH PANEL
3 MEMORY
4 SERIAL
5 POWER CONTROL
6 AUDIO
7 Others
Current Consumption and Voltage Detectors Check
Prepare the following items;
1 : Power supply 1 unit
2 : Ammeter 1 unit
3 : Voltmeter 1 unit
4 : AC adapter 1 unit
5 : Charger 1 unit
Current Consumption Check
Step Operation Display (Wiring) Note
Setting
Connect the items as
shown.
Do not load the backup
battery. 1: Maximum of contrast dial.
2: Set the range of Amme-
ter to 1 A.
3: Vb = 2.6
±
0.1 V
Boot the diagnostic pro-
gram
** Main Menu **
0 AUTO MODE
1 DISPLAY
2 TOUCH PANEL
3 MEMORY
4 SERIAL
5 POWER CONTROL
6 AUDIO
7 Others
To boot the diagnostic, re-
fer to page 43.
5
Currently CPU clock is 180MHz
Push on key to exit
Current consumption at
ON.
Measure the current.
Ib = 650 mA or under.
Alkaline battery terminal
Vb
A
V
-
+
A-20
Ib
2
ON, 3
** Power Control **
1 40MHz
2 standby
3 sleep
Sleep mode
Current consumption at
SLEEP.
Measure the current.
Ib = 50 mA or under.
Main
Battery at
SLEEP
Main
Battery
ON
5 ON