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Casio FX-9700GE Service Manual

Casio FX-9700GE
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– 14 –
6. TROUBLESHOOTING
Clean or adjust pressure of
contact
Clean or replace power
switch
Resolder or replace
Resolder
Replace battery
Clean or adjust pressure of
contact
Clean or replace power
switch
Resolder or replace
Replace
Replace the heat seal
Resolder or replace display
PCB ass'y
Clean or replace contact
Clean or replace the key
Resolder
Replace
Separate the contact
Replace
Clean or replace the key
Dirt or poor contact on battery
Poor contact on power switch
Poor connection on PC joiner
Poor soldering on LSI, capacitor, or resistor
Weak battery
Dirt or poor contact on battery
Poor contact on power switch
Poor connection on PC joiner
Defective LSI, capacitor, or resistor
Poor contact between LCD and PCB
Poor soldering on LSI
Dirt on key contact
Heavy key motion
Poor soldering on LSI
Defective LSI, capacitor, or resistor
Constant contact is made on a certain key
Defective LSI, capacitor, or resistor
Dirt or scratch on the key
SYMPTOM CAUSE SOLUTION
Intermittent display
No display at all
Erratic display
Certain key does not
function
All keys do not function
Heavy key motion

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Casio FX-9700GE Specifications

General IconGeneral
BrandCasio
ModelFX-9700GE
CategoryCalculator
LanguageEnglish

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