Electronics > Repair
Identifying RF chip
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mauda:
I ordered theese 7507 chips from Aliexpress (https://bit.ly/2SRTJJL) and they works fine  :-+ Thank you for any help.
luisaco:
Hello friends,
You were finally able to repair the keys by changing the 75076228, I have 2 Berlingo keys and neither of them emits RF and at least one of them when measuring voltage between GND and pin 12 gives me 3v and on pins 10 and 11 which are the antenna also gives me 3v is that normal?
luisaco:
Hello friends,
You were finally able to repair the keys by changing the 75076228, I have 2 Berlingo keys and neither of them emits RF and at least one of them when measuring voltage between GND and pin 12 gives me 3v and on pins 10 and 11 which are the antenna also gives me 3v is that normal?
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