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Only for training and service purposes
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4. Trouble Shooting
4. 13 3M AF Camera trouble
3M camera control signals are generated by ISX005 and MSM7227.
jGpv}kkO{w\PSGk}kkO{w]PS
h}kkO{w^P
jGGvrf
jG GGUG
G G
jGGvr
jG G
u v
u v
jG Gt G
l
l
u v
z{hy{
t zt ^YY^GGG
t jsrO{wXPSGwjsrO{wYPS
yO{wZPSGz O{w[P
u v
jG Glt pGm
Oms]WXSms]WYPG
u
jG GmGOms]WXSms]WYP
Check the camera Conn.
and reconnect the camera
Camera is OK?
No
Change the Main board
END
Yes
Check IOVDD(TP5),
DVDD(TP6), AVDD(TP7)
START
Yes
Check the EMI Filter(FL601, FL602)
Camera is OK
No
No
Yes
MSM 7227 output signal check
MCLK(TP1), PCLK(TP2),
Reset(TP3), Standby(TP4)
Change the camera
Yes
END
Change the Filter(FL601, FL602)
No
No
Yes