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Yamaha
Home Theater System

Model # YAS-71 Official Yamaha home theater

Here are the diagrams and repair parts for Official Yamaha YAS-71 home theater, as well as links to manuals and error code tables, if available.

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  • 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”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 86 parts  |
Screw Binder WE774100
#3-21

Woofer diagram

Screw binder

Part #WE774100

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

Fuse,5.0a WB221100
#NI

Woofer diagram

Fuse,5.0a

Part #WB221100

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

Jack Screw V6509600
#3-20

Woofer diagram

Jack screw

Part #V6509600

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

Integrated Circuit X7919A00
#NI

Woofer diagram

Integrated circuit

Part #X7919A00

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

Cover WP106700
#NI

Speaker diagram

Cover

Part #WP106700

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

Ac Cord WB120500
#3-6

Woofer diagram

Ac cord

Part #WB120500

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

Integrated Circuit XZ509A00
#NI

Woofer diagram

Integrated circuit

Part #XZ509A00

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

Stopper V2438700
#3-18

Woofer diagram

Stopper

Part #V2438700

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

Integrated Circuit X8235A00
#NI

Woofer diagram

Integrated circuit

Part #X8235A00

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

Integrated Circuit X6406A00
#NI

Speaker diagram

Integrated circuit

Part #X6406A00

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

Symptoms for treadmills

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Why does my treadmill's walking belt slow down?

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

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Why is my treadmill's walking belt slipping?

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

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Why is my treadmill's walking belt off center?

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

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Why won't my treadmill start even though the console display works?

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

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Why is my treadmill's heart rate sensor not accurate?

Main causes: faulty sensors, wiring failure, bad control console…

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Why does my treadmill have no display?

Main causes: bad control console, wiring failure, bad motor control board…

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Why won't my treadmill power up?

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

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Repair guides for treadmills

These step-by-step repair guides will help you safely fix what’s broken on your treadmill.

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How to replace a treadmill motor controller

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

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Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

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Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking board

How to replace a treadmill walking board

A worn-out walking board creates friction with the walking belt and causes the belt to slow down during use. Replace the…

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Repair difficulty
Time required
 30 minutes or less

Articles and videos for treadmills

Use the advice and tips in these articles and videos to get the most out of your treadmill.

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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.…

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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.…

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How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…

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