Casio fx-7300G, Руководство по обслуживанию

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6. OPERATION CHECK
STEP OPERATION
DISPLAY
NOTE
Use a thin and pointed object to
press the RESET button on the
back of the unit.
Check for display No display
Check for display
Check for display
Reverse checkers are displayed Check for display
EXE
Frame is displayed
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Reset
******************************
* *
* *
******************************
MEMORY
ALL CLEARED !
SHIFT
TEST mode menu
1
EXE
EXE
EXE
Checkers are displayed
EXE
EXE
EXE
EXE
2
Check for keys
Trace
RESET OK?
YES: PRESS
NO : PRESS
EXE
EXIT
OFF
Press G T AC/ON keys
at same time.
AC/ON
,
HARD TEST
0. RST&EXIT
1. LCD
2. RAM
3. ROM
4. KEY
All dots are displayed
Check for display
HARD TEST
0. RST&EXIT
1. LCD
2. RAM
3. ROM
4. KEY
TEST mode menu
RAM Check
8K byte
OK
RAM check
HARD TEST
0. RST&EXIT
1. LCD
2. RAM
3. ROM
4. KEY
TEST mode menu
3
ROM Check
56K byte
OK
ROM check
HARD TEST
0. RST&EXIT
1. LCD
2. RAM
3. ROM
4. KEY
TEST mode menu
4