#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 # 3700 Official Sharp calculator
Here are the diagrams and repair parts for Official Sharp 3700 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 upright freezers
Main causes: clogged or frozen defrost drain tube…
Repair guides for upright freezers
How to replace a freezer control panel
A freezer control panel that doesn’t show the temperature or respond when you press the buttons could be broken. This DI…
Repair difficulty
Time required
15 minutes or less
How to replace a freezer door switch
When the door switch fails, the freezer can’t detect that the door is closed. Follow the steps in this repair guide to r…
Repair difficulty
Time required
15 minutes or less
How to replace a freezer thermistor
When the thermistor can’t sense the freezer temperature, the freezer is colder or warmer than the set temperature. Follo…
Repair difficulty
Time required
45 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.…