Samsung Galaxy J5 SM-J510FN Service Manual page 11

Troubleshooting
No Power (cont')
Step
7 Check the frequency of OSC4000
Step7
OSC4000
=19.2Mhz
Step5
L4012 = 5.0V
Check point
Step5
L4009 = 5V
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Result value
19.2MHz
If not the correct value
U4003
Defect point
Main chip (UCP3000-1)
X-TAL (OSC4000)
Step6
U4001
C4035
=2.1V