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820_3115 b a1278 No power
Update: It turns on but no Video nor USB activity :( . Tried another Bios too and no help. Im getting theses values. L7510/20 = 1.12V PLT_RESET_L=3.32V CPU_MEM RESET_L=0.67V mem_reset_L = 1.5V Is it possible that CPU is bad?- syslan
- Post #6
- Forum: Macbook Logic Board Repair Questions
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820_3115 b a1278 No power
It was a Faulty U7200 . Thanks !!! it Works now- syslan
- Post #5
- Forum: Macbook Logic Board Repair Questions
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820_3115 b a1278 No power
Thanks for the welcoming. Injected in pin 1 to see if it strated to get hot. Which it did. 5V_S5 is not in Short . value reads 630 in diode mode. 3V3_S5/SUS = 0.36- syslan
- Post #3
- Forum: Macbook Logic Board Repair Questions
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820_3115 b a1278 No power
Hello, When it got here the first time Trackpad was not working so we inyected voltage to u5805 , Got hot , after that , the mb stopped turning on. have this Right Now - Green Light on - PSU consumes 0.01A - PP5V_S3= 0 - P5VS3_EN_L=3.42 , but P5VS3_ENTRIP=0 - 5V3V_REG_EN= 3.22 , but...- syslan
- Thread
- Replies: 6
- Forum: Macbook Logic Board Repair Questions