Sony TA-AV670 - only trebel on left channel?

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kopraish
Junior Member

Posts: 70

Sony TA-AV670 - only trebel on left channel? Jul 1, 2019 4:08:33 GMT -5

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Post by kopraish on Jul 1, 2019 4:08:33 GMT -5

Hi. I try to repair this amp. Everything work fine, without left channel. I have only trebel from speaker. If i switch on source direct, everything work perfect? Any suggestion?

Service manual here: dox.abv.bg/download?id=71787176d9

kopraish Junior Member Posts: 70	Sony TA-AV670 - only trebel on left channel? Jul 1, 2019 11:21:28 GMT -5 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by kopraish on Jul 1, 2019 11:21:28 GMT -5 On test point on Left and right channel i have 2.5mV, but on output terminal i have on left 4 mV/ right 11.3mv.

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Sept 16, 2023 16:02:07 GMT -5 *

mastertech: Not finding much. Maybe get the part numbers off those 2 devices mounted on the heatsink near that resistor. Sept 15, 2023 21:03:01 GMT -5

dirty666:

Sept 15, 2023 6:44:08 GMT -5

dirty666: Hi mastertech, here are better fotos. I hope you can help me

Sept 15, 2023 6:43:42 GMT -5

dirty666:

i.postimg.cc/c6fG0L1Q Sept 15, 2023 6:41:16 GMT -5

dirty666:

Sept 11, 2023 13:41:19 GMT -5

dirty666:

Sept 11, 2023 13:31:59 GMT -5

dirty666:

Sept 11, 2023 13:31:00 GMT -5

dirty666:

Sept 11, 2023 13:30:21 GMT -5

mastertech: Can you post a picture of the entire back side of that board? Sept 10, 2023 18:39:49 GMT -5

dirty666: It is R23 on the platine Sept 10, 2023 7:07:25 GMT -5

dirty666:

Sept 10, 2023 7:00:50 GMT -5

dirty666: Here are some Pictures Sept 10, 2023 7:00:02 GMT -5

dirty666:

i.postimg.cc/5XqzS Sept 10, 2023 6:59:31 GMT -5

dirty666: I have a boston Sounware XS Digital Cinema 2012.02.10 and one resistor is defekt/burned.I need a chematic....can you help me Sept 10, 2023 6:49:26 GMT -5

dirty666: Hi everyone Sept 10, 2023 6:41:26 GMT -5

christgr: Thanks for the welcome message and the notification!!! Aug 29, 2023 13:39:11 GMT -5

christgr: Hi everyone!!! Aug 29, 2023 13:37:59 GMT -5

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Sony TA-AV670 - only trebel on left channel?

Post by kopraish on Jul 1, 2019 4:08:33 GMT -5

Post by kopraish on Jul 1, 2019 11:21:28 GMT -5

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