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Perguntas
iPad screens, which are the same?
03/07/2020
I am expanding my cell phone repair to do iPad screens. I’m looking to purchase at least one of each type. Are there any...
iPhone 5s causing repeated Tristar failure
13/10/2019
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
10/10/2019
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
30/09/2019
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
29/09/2019
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
28/09/2019
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
28/09/2019
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?
27/09/2019
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?
26/09/2019
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
26/09/2019
Im fixing an iPhone 5c, with display issues after a drop. The measurements i got in diode mode are: Vcc main 0.153 Batt...
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