LG E900, Руководство по обслуживанию

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LGE Internal Use Only Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
3.10.4 KEY
Side key & power key
The power key is controlled by PM7540. side keys & front keys are controlled by QSD8650 GPIO.
ZUG{ŒŠ•Šˆ“Gi™Œ
Figure. SIDE KEY & FRONT KEY
PM7540
Figure. POWER KEY
QSD8650
QSD8650
rl€†yv~‚WaX„
rl€†jvs‚WaZ„
05
02
0
S4
1
CL
V
E
40
8
A
V
SW401
ESCY0008301
3
2-1
2
1-1 1
GND
KPD_PWR_N
REV.C
P U _ L O V
5 B K
N W O D _ L O V
6 B K
2 B K 1 B K 4 B K
2 0 9 W S
C _ C
B _ B
D A
] 2 [ L O C _ Y E K
] 2 [ L O C _ Y E K
] 0 [ L O C _ Y E K
] 0 [ L O C _ Y E K
] 1 [ L O C _ Y E K
] 1 [ L O C _ Y E K
] 0 [ W O R _ Y E K
] 0 [ W O R _ Y E K
] 0 [ W O R _ Y E K
] 3 [ L O C _ Y E K
] 1 [ W O R _ Y E K ] 1 [ W O R _ Y E K ] 1 [ W O R _ Y E K
Y E K E D I S E M U L O V
C - A : n o it a r e p o t s 1
H C R A E S
W O D N I W
K C A B
T O H S _ M A C
S U C O F _ M A C
) 1 4 O I P G ( ) 2 4 O I P G (
] 1 [ W O R _ Y E K
) 3 3 O I P G (
] 0 [ W O R _ Y E K
) 1 3 O I P G (
] 3 [ L O C _ Y E K
) 2 3 O I P G (
] 2 [ L O C _ Y E K
] 1 [ L O C _ Y E K
] 0 [ L O C _ Y E K
P U _ E M U L O V
N W O D _ E M U L O V
) 4 3 O I P G (
C - B : n o it a r e p o d n 2
A R E M A C
W O D N I W K C A B H C R A E S