Samsung SM-A526B Service Manual page 47

8. Level 3 Repair
8-4-19. Front Cam (32M)
Front cam cannot operate
Check cam connector on pba
Check VTCAM_MCLK pulse
Change front cam module
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yes
yes
Check voltage
C8003 : 1.05V
C8002 : 1.8V
C8001 : 2.9V
yes
26Mhz (R8001)
yes
yes
end
no
no
no
reconnect SOC8000
Change U8005
Change main pba