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Audio equipment

kithec power 221 222 223, short diode

chispitaelectronica
hace 6 años
hace 6 años
Hello friends colleagues: I need help, I have an audio board, kithec 221 222 223, on the board there are four diodes that have colored stripes, from left to right, it starts with a yellow stripe, a black, green and another yellow, does anyone know the value of this diode, or if someone of you will have the diagram of this amplifier? I understand that this model is too old, but it worked very well, good friends colleagues I will be very grateful if you can help me, or if you know with which other diode I can replace it, I am waiting for a response, my greetings to all .
EVELIO RIOS H
hace 6 años

Friend mounts a photo of the card.

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leasmacruz
leasmacruz
1.594
hace 6 años

Component photo I think are not diodes

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EVELIO RIOS H
hace 6 años

Of the card and the components where they go.

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chispitaelectronica
hace 6 años

hello friend excuse me for the delay, leasmacruz, if it is a diode here I send the photo of the diode and the card, I know that in other plates of this type of circuits they carry diodes 1n4002 I think it is a protection circuit

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chispitaelectronica
hace 6 años

file: /// C: /Users/MIGUEL/Documents/Pictures/IMG_20180524_114239.jpg

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chispitaelectronica
hace 6 años

that's a photo link and now I send the other two links

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chispitaelectronica
hace 6 años

file: /// C: /Users/MIGUEL/Documents/Pictures/IMG_20180524_114345.jpg

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chispitaelectronica
hace 6 años

file: /// C: /Users/MIGUEL/Documents/Pictures/IMG_20180524_113611.jpg

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leasmacruz
leasmacruz
1.594
hace 6 años

Friend does not open the photo I get page not found

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chispitaelectronica
hace 6 años

Hello friends of the forum, I commented that I found the value of the diode that I had asked for, the diode as I had mentioned before, with yellow, black, green, and yellow stripe corresponds to a 1N4148 diode, it seems so silly, now that I found the value, the issue is when you find something like that and do not know where to grab, not to do macana, I do not know what happened to the link, the issue is that I could solve the problem, thanks I give everything to worry about Help me, I wish you a good weekend, my regards to all

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EVELIO RIOS H
hace 6 años
hace 6 años
Friend select the icon that looks like a paper click (between image and emoticons) and there you give the path of the photos and upload them.
chispitaelectronica
hace 6 años
hace 6 años
Friends this diode with colors drove me crazy to find it, in the end I found in a drawer with many old plates of which I always kept a plate of an amplifier just like the one I was repairing, obviously I did not have the heatsink, but I was glad to find it, this diode that looks like a resistance because of the colors, it really is a diode, it is more like a ZENER diode because of its physical appearance, the 1N4148 also looks like a zener, if for those things that happen in the electronics they find a diode that only has stripes of colors like the one that touched me, in this order, from left to right, yellow, black, green, yellow, it is a 1N4148 diode, DO NOT hesitate, thank you friends for the interest in helping me, very I am grateful, and even more knowing that all the technicians what we want is to help each other, in this forum that is the best I have found. My regards to all
EVELIO RIOS H
hace 6 años

Friend then could it be 1N4154?

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