Camera - LG -H422 Service Manual

3.15.1 8M Main Camera
8M camera control signals are generated by MT6582 (U2100 : Main Chipset).
And powered by voltage regulator (U4100)
Checking Flow
Check the camera Conn.
And reconnect the
No
DVDD(TP2), AVDD(TP3)
No Check the camera signals
Change the
MCLK(TP4),MIPI_CLK(TP5),
Main board
Change the Camera
LGE Internal Use Only
Start

camera

Yes
Camera is OK ?
END
No
Check VIO(TP1),
Yes
MIPI_DATA(TP6)
Yes
Camera is OK ?
Yes
END
MCLK : TP4
(VA7303)
MIPI DATA : TP6
CN7300 PIN
#7,#8,#10,#11
#17, #18,
#20,#21
MIPI CLK :
TP5(CN7300)
PIN #13,#14
MCLK :
TP4
(VA7303)
MIPI DATA : TP6
CN7300 Pin
#7,#8,#10,#11,
#17, #18, #20,#21
MIPI CLK :
TP5(CN730
0)
PIN #13,#14
60
3. TROUBLE SHOOTING
Image
Main
BOT
#1 #30
DVDD : TP2
(C7301)
#16
#15
AVDD :
TP3
(C7303)
IOVDD : TP1
(C7302)
Circuit Diagram
DVDD :
IOVDD :
TP2
TP1
(C7301)
(C7302)
AV
DD
:
TP
3
(C7
303)
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