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Yamaha Yst

can I do a meter check on amplifier on yamaha yst sw 800?

I have a yamaha yst.800 home theater sub . I want to know if amplifier is bad or board is bad . Anyone with lots of experience with yamaha subwoofers please can you help me figure this out . On my sub when I plug it in I have a green light, even checked subwoofer speaker and that works .Im hoping that it is a fuse on the board itself . can you help?

Since you are asking, I would recommend taking it to someone who repairs electronics.

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Yamaha YST-FSW150BL Advanced YST II Down-Firing Active Subwoofer List Price: $244.35 Sale Price: $187.96 You save: $56.39 (23%)   Eligible for free shipping! Availability: Usually ships in 1-2 business days

Yamaha YST-FSW050BL2 100-Watt Subwoofer, Each (Black) List Price: $199.95 Sale Price: $114.99 You save: $84.96 (42%)   Eligible for free shipping! Availability: Usually ships in 24 hours

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Yamaha YST-SW215PN 8" Powered Subwoofer (Piano Black) List Price: $229.00 Sale Price: $195.88 You save: $33.12 (14%)   Eligible for free shipping! Availability: Usually ships in 24 hours

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Yamaha YST-SW315PN 10" Powered Subwoofer (Piano Black) List Price: $399.00 Sale Price: $333.00 You save: $66.00 (17%)   Eligible for free shipping! Availability: Usually ships in 24 hours

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YAMAHA YST-SW515 subwoofer.