Ryobi P271 drill has no cords, ONE+ 18V system and can be used in a number of different drilling and driving applications; and is compatible with a number of batteries.
Eletrechip @biochip
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投稿日: 2020年10月9日
Diode is marked D1 , condenser C3 , IC1 in circuit board
この質問は役に立ちましたか?
6 件のコメント:
Is the marking totally unreadable on the top of the IC?
honakrisi さんによる2021年2月17日
I think you need some schematics on this, but judging from this picture, i think you need to use IPA to clean up those oxidation.
R3 and R4 SMD looks bad, i will change those if i know the values.
Check for the IC if it is shorted too.
Augustine さんによる2021年2月18日
update, something interesting based on a search from past,
Why doesn't my charger work?
please read more
It is bad, hard to arrange components for replacement. Solution I found a new
Eletrechip さんによる2021年2月26日
Some of the components seem to be damaged
John Marasco さんによる2021年3月4日
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Is the marking totally unreadable on the top of the IC?
honakrisi さんによる
I think you need some schematics on this, but judging from this picture, i think you need to use IPA to clean up those oxidation.
R3 and R4 SMD looks bad, i will change those if i know the values.
Check for the IC if it is shorted too.
Augustine さんによる
update, something interesting based on a search from past,
Why doesn't my charger work?
please read more
Augustine さんによる
It is bad, hard to arrange components for replacement. Solution I found a new
Eletrechip さんによる
Some of the components seem to be damaged
John Marasco さんによる
1以上のコメントを表示