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820-00923 ppbus low
Board clean, 20V 0A PP3V3_G3H 3.3V PPBUS_G3H 0.8V, diode mode 0.424V on F7000 on this board don't find SMC_BC_ACOK for test TBA_AUX_DET 0V diode mod any idea fort next ?- ChronoInfo
- Thread
- Replies: 5
- Forum: Macbook Logic Board Repair Questions
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820-01987 5V 0.06A
Board looks pretty clean no liquide damage PP3V3_G3H to pin 1 from L7690 3.29V stable PPBUS_G3H 12.30V stable PP3V3_G3H_RTC 3.3V stable- ChronoInfo
- Thread
- Replies: 11
- Forum: Macbook Logic Board Repair Questions
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820-00840 No power
board short to PPBUS_G3H remove F7000, tried inject to pin 2 just heat pipe get hot- ChronoInfo
- Thread
- Replies: 9
- Forum: Macbook Logic Board Repair Questions
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820-00850 5V 0.10-0.4A Cycle
History no liquid damage board stopped work no reason PPBUS_G3H pulse 7V - 12.30V PP3V3_G3H pulse Remove F7000 PP3V3_G3H 0V no pulse Noticed only U3000 get hot with F7000 present (158F with thermal camera)- ChronoInfo
- Thread
- Replies: 8
- Forum: Macbook Logic Board Repair Questions