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840-00840-A 20V 0.01A S5 rails jumping
Well... French University of Christian Kings... Thank you for the help! Maybe I can find a repairable board for cheap somewhere- linedot
- Post #9
- Forum: Macbook Logic Board Repair Questions
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840-00840-A 20V 0.01A S5 rails jumping
L8060: Pin 1 (BANJO_SWVR1): no short, diode mode: out of range, resistance: OOR (>20MΩ) Pin 2 (PP1V_S5G_REG): short, diode mode: 0.004, resistance: 0.4 Ω L7930: Pin 1 (BANJO_SWVR2): no short, diode mode: 1.930, resistance: 890kΩ Pin 2 (PP1V8_S5G): short, diode mode: 0.003, resistance: 0.2Ω...- linedot
- Post #7
- Forum: Macbook Logic Board Repair Questions
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840-00840-A 20V 0.01A S5 rails jumping
L7930 and L8060 lifted. Both shorts still there. Same measurements. Anything to try before injecting voltage into the rail?- linedot
- Post #5
- Forum: Macbook Logic Board Repair Questions
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840-00840-A 20V 0.01A S5 rails jumping
Thanks for the welcome! PP1V8_S5G ~ 0.2 Ohm (1.2-1.3 measured, 1.0-1.1 Ohm with just the probes (is my multimeter trash?)) PP1V_S5G ~ 0.4 Ohm- linedot
- Post #3
- Forum: Macbook Logic Board Repair Questions
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840-00840-A 20V 0.01A S5 rails jumping
Hello, first time poster here - not a repair shop owner - just decided to try and fix a macbook I acquired recently. Unfortunately, I don't know the MacBooks history - just purchased it as defective for cheap with the only info given "It suddenly didn't turn on anymore". The case seems eerily...- linedot
- Thread
- Replies: 8
- Forum: Macbook Logic Board Repair Questions