| Electronics > Beginners |
| Replace Ceramic disc capac |
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| onedumbquestion:
I'm trying to repair a Yamaha RX-460 receiver This is my first attempt at electronics repair I guessed that this capacitor was the reason it wouldn't turn on but I don't where to buy it Yamaha says they don't have it Specs: Ceramic disc EMI Suppression capacitor 560-2 103 H 35 for Yamaha RX-460 Receiver Yamaha part no. F1514100 On the board it's C156 https://imgur.com/a/VpsHB8R |
| malagas_on_fire:
I think tha's a panasonic capacitor from a search on digikey related to the NS brand ( example ): https://www.digikey.com/product-detail/en/panasonic-electronic-components/ECK-ANA221MB/P9523-ND/705463 103 is 10nF value so that would give you a clue on the catalog from panasonic components on the digikey website. It is the NS-A series (sorry---Again): https://www.digikey.com/products/en/capacitors/ceramic-capacitors/60?k=NS+capacitor&k=&pkeyword=NS+capacitor&sv=0&v=10&s=5689&sf=0&FV=ffe0003c&quantity=&ColumnSort=0&page=1&pageSize=25 |
| Old Printer:
Depending on the symptoms an electrolytic (can type - polarized) capacitor in the power supply might be the problem, but i doubt a ceramic disc type would keep it from turning on. How about some details? |
| Ian.M:
Why do you think its bad? Its extremely rare for low voltage, low capacitance disk ceramics to fail unless they have been mechanically damaged. Even if it is actually bad, it would have to be either in the control circuit of the PSU, or shorting a power rail to ground, tripping the PSU's over-current protection or pulling down a control input of the Syscon (MCU), preventing the power button from being recognised for it to be able to stop the reciver turning on. Do you have the schematic, or can you otherwise trace C156's connections back to an output of the power supply or to the Syscon chip? If it is failed shorted, and dragging down a rail or MCU input, as its designated for "EMI Suppression" the odds are, if there's no other fault, the receiver will power up with it removed. If its in the PSU, *DON'T* try to power on withoiut it. *IF* it does need replacement its almost certain any brand or generic 10nF, 35V or higher working voltage disk ceramic capacitor would be suitable. |
| onedumbquestion:
It's a trash pick I saw a youtube video and mistakenly took the capacitor out because I thought it was the capacitor mentioned in the video I guess I'll have to test it while it's and put it back it then I bought a capacitance meter from China yesterday I'll have to wait I can return to this thread when I put it back on my bench Right now I have it packed away |
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