Sharp R-8320E Service Manual page 96

Faulty display
8.
segments of all degits
No
No
Are all segments of
No
specific digit not lit up?
FAULTY CONVECTION
9.
OPERATION
To page 96
Is segment signal of
Yes
Yes
Is digit signal of
Yes
Defective
Yes
Fluorescent Display
l
Replace Thermistor
95
,
Defective
Yes
Poor soldering
Yes
.