pts8091

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于2018年11月09日注册

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iPhone 5s causing repeated Tristar failure 2019年10月13日
I have a 5s no power, not charging. Ive checked tristar lines in diode mode and found no obvious shorts. The ammeter read...
Replaced Tristar, Tristar fails again iPhone 5s 2019年10月10日
I have an iphone 5s drawing 0.08 amps. I had replaced the 5s tristar with the backwards compatible NXP 610A3B chip that i...
Looking for a short on VCC MAIN, injected 4.2v blew component 2019年09月30日
Title pretty much sums it up. I soldered a wire to a cap near the pmic. I hooked the positive up and heard pop and saw a...
Weird diode reading on 5c Backlight circuit 2019年09月29日
Im testing a 5c that was sent to me with no image/backlight When testing the connector in diode mode I get .363 when there...
What am I missing? voltages on iPhone 5s lines 2019年09月28日
I am troubleshooting my first iPhone circuit. It is an iPhone 5s. I did diode readings on a bunch of circuits: vcc main...
Motherboard hooked to DCPS, no amps draw 2019年09月28日
Why wont a iphone 5s motherboard hooked to a dcpc on constant current draw any amps? How can i power it on outside of the...
DCPS reads no Amps drawn? 2019年09月27日
Im testing an iphone 5s along with a 5c. After hooking the DCPS to the phone via battery terminal on the logic board, and...
How do I measure output voltages at Tristar? 2019年09月26日
I am trying to figure out why I can get the voltage readouts from VCC Main and Batt VCC, but not other lines, even when...
How to test Chestnut output voltages iPhone 5c 2019年09月26日
Im fixing an iPhone 5c, with display issues after a drop. The measurements i got in diode mode are: Vcc main 0.153 Batt...
Fixing iPhone 5s, need known good Diode values 2019年09月21日
I have a bunch of diode readings as i look for shorts on a dead iphone 5s. ZXW has no resistance values for the 5s, which...

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pts8091

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