#NI
All parts diagram
Unknown brand name #298 calculator ribbon (black and red)
Part #BR80C
The manufacturer no longer makes this part, and there's no substitute part
Model # QS-2770 Official Sharp calculator
Here are the diagrams and repair parts for Official Sharp QS-2770 calculator, as well as links to manuals and error code tables, if available.
There are a couple of ways to find the part or diagram you need:
- Click a diagram to see the parts shown on that diagram.
- In the search box below, enter all or part of the part number or the part’s name.
Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.
We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.
For DIY troubleshooting advice and repair guides, visit our repair help section.
Model diagram and schematic
SEARCH WITHIN THIS MODEL
ALL PARTS
Showing 1 of 1 parts |
Symptoms for top-mount refrigerators
Main causes: frozen or clogged defrost drain tube, cracked water system tubing…
Repair guides for top-mount refrigerators
How to replace a refrigerator water valve
Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…
Repair difficulty
Time required
15 minutes or less
How to replace the compressor run capacitor in a top-freezer refrigerator
The run capacitor sends electric current to the compressor motor to help the motor run efficiently. Replace the run capa…
Repair difficulty
Time required
15 minutes or less
How to replace the defrost thermistor in a top-freezer refrigerator
The defrost thermistor attaches to the evaporator coil and measures the evaporator coil temperature during defrost.…
Repair difficulty
Time required
15 minutes or less
Effective articles & videos to help repair your office
Office and smart products articles | Sears PartsDirect
Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…
Get answers to frequently asked questions about Sears and Sears PartsDirect.…
Learn what the Amazon Fire Stick Lite video streaming device does.…