iPhone 6 backlight common method to Fix over

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This is completed common method to Fix over

Conditions:

• iPhone 6 backlight not display (LCD is good)

Tools:

• iPOWER X

Step 1:


Check the J2019 socket (PIN 29) voltage by iPOWER X tester to measuring if have 1.8V. and also measuring C2040 C2039 FL2027 if have 1.8V.

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Step 2:

Check the J2019 socket (PIN 26) voltage by iPOWER X tester to measuring if have 5.7V. and also measuring C2094 c2071 FI2037 C2050 C2051 C2070 C1569 if have 5.7V.

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Step 3:

Check the J2019 socket (PIN 28) voltage by iPOWER X tester to measuring if have - 5.7V. and C2044 FI2061 C1504 also must be - 5.7V

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Step 4:

Check the J2019 socket (PIN 14) voltage by iPOWER X tester to measuring if have 1.8V (this is Reset signal) to C2200 FL2036 R2052