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Hi,
here i have another board, that had power issue... i replaced Q7130 and U7100 and now i have 16-20v on F7140. Between pins 27/28 on U7100 there is 20 ohms resistance, too much, right? I have replaced two U7100 and the result is the same... i have also replaced c7120,c7121,c7122,r7121,r7122...
Hi,
i have mannaged to screw two 820-4924 boards somehow. Both had some power issues, not working from battery... so i replaced U7100 and after replacement there was no PPBUS_G3H any more. Chips are new and soldered with hot air. I get green and orange light. There is power on pins 1 and 3 of...