Onkyo TX-636 turns back off

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kprq3 New Member Posts: 1	Onkyo TX-636 turns back off Jan 13, 2018 14:00:22 GMT -5 via mobile Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by kprq3 on Jan 13, 2018 14:00:22 GMT -5 I bought two Onkyo receivers that turn back off. In debug mode 10: One gets V 100°F 80 F2 Other is I 107°F 51 2C Is one easier to fix then the other and where should I start?

tibimakai
Master Tech

Posts: 677

Onkyo TX-636 turns back off Jan 13, 2018 16:48:03 GMT -5

Quote

Post by tibimakai on Jan 13, 2018 16:48:03 GMT -5

I would start measuring for short, each final transistor on the big heat sink.
If you find two next to each other, than that is the bad channel. You should go through checking each component at that channel. On the base board and on the vertical board as well.

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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

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dirty666:

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

dirty666:

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dirty666:

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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:

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dirty666:

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

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Onkyo TX-636 turns back off

Post by kprq3 on Jan 13, 2018 14:00:22 GMT -5

Post by tibimakai on Jan 13, 2018 16:48:03 GMT -5

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