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Onkyo TX-800 Power fuse Replacement

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This replacement guide will demonstrate how to replace a fuse in an Onkyo TX-800.

A fuse is an electrical safety device that protects the circuit board in the event that there is excessive current.

Before doing anything, make sure to safely discharge the capacitor using this guide.

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  1. Onkyo TX-800 Power fuse Replacement, Disassembling Onkyo TX-800 Top case: crwdns2935265:01crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Onkyo TX-800 Power fuse Replacement, Disassembling Onkyo TX-800 Top case: crwdns2935265:01crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Onkyo TX-800 Power fuse Replacement, Disassembling Onkyo TX-800 Top case: crwdns2935265:01crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Remove the two screws on both sides of the receiver. Keep these and the rest of the screws in a safe place.

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  2. Onkyo TX-800 Power fuse Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Onkyo TX-800 Power fuse Replacement: crwdns2935265:02crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Remove the top screw on the back panel.

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  4. Onkyo TX-800 Power fuse Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Onkyo TX-800 Power fuse Replacement: crwdns2935265:03crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Slide off the case to expose the internal components of the receiver.

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  5. Onkyo TX-800 Power fuse Replacement, Power fuse: crwdns2935265:04crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Onkyo TX-800 Power fuse Replacement, Power fuse: crwdns2935265:04crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Locate the fuse.

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  6. Onkyo TX-800 Power fuse Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Onkyo TX-800 Power fuse Replacement: crwdns2935265:05crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Gently wedge a small screwdriver in between one side of the fuse and the contact.

    • Remove the fuse with your thumb and forefinger.

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  7. Onkyo TX-800 Power fuse Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Examine the fuse. If the wire within it is broken, you will need to replace it with a new 125 Volt, 4 Amp fuse.

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Michael Lady

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Cal Poly, Team 27-92, Amido Spring 2010 crwdns2935289:0Cal Poly, Team 27-92, Amido Spring 2010crwdne2935289:0

CPSU-AMIDO-S10S27G92

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Thanks for clear instructions!

Andy Dersch - crwdns2934203:0crwdne2934203:0

Thank you!

There are no Onkyo repair centers to go to.

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