Audiovox
Home Theater System

Model # STS21AAST-20 Official Audiovox home theater

Here are the diagrams and repair parts for Official Audiovox STS21AAST-20 home theater, 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

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 46 parts  |

Speaker Cloth 662-0FP662-000
Speaker cloth

Part #662-0FP662-000

The manufacturer no longer makes this part, and there's no substitute part

18,cooling Fan 100-090012-002
#NI

Cabinet parts diagram

18,cooling fan

Part #100-090012-002

The manufacturer no longer makes this part, and there's no substitute part

Speaker Cloth Mesh 509-SSQ303-000
#SS2

Cabinet parts diagram

Speaker cloth mesh

Part #509-SSQ303-000

The manufacturer no longer makes this part, and there's no substitute part

Fs802,fuse 2.5a/250v 124-025020-001
#NI

Cabinet parts diagram

Fs802,fuse 2.5a/250v

Part #124-025020-001

The manufacturer no longer makes this part, and there's no substitute part

Rl504,relay 128-120112-000
#NI

Cabinet parts diagram

Rl504,relay

Part #128-120112-000

The manufacturer no longer makes this part, and there's no substitute part

Remote Bracket 505-ST2111-000
#11

Cabinet parts diagram

Remote bracket

Part #505-ST2111-000

The manufacturer no longer makes this part, and there's no substitute part

Sub-woofer Panel 500-SWS201-XXX
#SW6

Cabinet parts diagram

Sub-woofer panel

Part #500-SWS201-XXX

The manufacturer no longer makes this part, and there's no substitute part

Speaker Mesh 509-299973-001
#SW2

Cabinet parts diagram

Speaker mesh

Part #509-299973-001

The manufacturer no longer makes this part, and there's no substitute part

Volume Knob 510-ST2107-XXX
#8

Cabinet parts diagram

Volume knob

Part #510-ST2107-XXX

The manufacturer no longer makes this part, and there's no substitute part

Fuse Pcb 033-STS21A-106
#NI

Cabinet parts diagram

Fuse pcb

Part #033-STS21A-106

The manufacturer no longer makes this part, and there's no substitute part

Repair guides for rear-engine riding mowers

How to adjust the neutral control on a zero-turn riding mower

How to adjust the neutral control on a zero-turn riding mower

Adjust the neutral control if your zero-turn riding mower creeps forward or backward while both steering lap bars are in...

Repair difficulty
Time required
45 minutes or less
How to remove the mower deck on a zero-turn riding mower

How to remove the mower deck on a zero-turn riding mower

Follow the steps in this guide to remove the mower deck for cleaning or inspection....

Repair difficulty
Time required
15 minutes or less
How to replace a cutting blade on a zero-turn riding mower

How to replace a cutting blade on a zero-turn riding mower

Replace a bent or dull cutting blade in 30 minutes or less. ...

Repair difficulty
Time required
15 minutes or less

Articles and videos for rear-engine riding mowers

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier....

Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect...

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect....