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| quadra 660 recap |
Posted by: imactheknife on 2022-07-19 19:08:40
I recapped both a 575 and a 660av. 575 no issues. 660 worked, but now nothing. Checking over all joints etc. Is it possible to lose grounding? it it dead and not Sure why? |
Posted by: Unknown_K on 2022-07-19 20:25:00
Broken solder joint I would think. |
Posted by: imactheknife on 2022-07-19 20:33:17
it doesn't chime, light comes on etc. get almost like a humm in the speaker, like it is grounding or something. Still dead. hope it isn't gone..was a nice system |
Posted by: Unknown_K on 2022-07-19 20:36:04
Did you check for a short to ground? |
Posted by: imactheknife on 2022-07-19 21:15:09
Ok, well i was checking over the board tonight and noticed something loose. Little 223 chip had come off and had electrolyte goo under it. So cleaned up the chip and another one came off. Is this possibly why board is non functional? |
Posted by: imactheknife on 2022-07-19 21:18:15
Closer up rp 13, rp 4 |
Posted by: Unknown_K on 2022-07-19 22:01:47
Are you using a hot air workstation? |
Posted by: imactheknife on 2022-07-20 06:01:47
Are you using a hot air workstation? No, but I will to reattach these guys. How to check for short to ground? |
Posted by: imactheknife on 2022-07-20 07:33:31
Can you order these? Or do i have to scrounge from a parts board? |
Posted by: imactheknife on 2022-07-26 17:21:00
Well, all is well in this project. Cleaned up those two 223’s, hot aired them back on. Gave the whole board a dip in the vinegar / warm water tank for an hour with some toothbrush scrubs. Gave the board a distilled rinse, and finished off with a week dry out. She works, sound works (didnt before) unless i had headphones in. |
Posted by: Trash80toHP_Mini on 2022-07-26 17:46:43
Great to hear all is well and you speaker has come back to life. Nice job. |
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