LG Electronics Inc.
LN510
1
/168
Circuit Diagram
Circuit Diagram
Test point
Test point
4.3.7. QWERTY Key Trouble
SW5020
1
2
C5002
0.1u
SW5022
1
2
SW5018
1
2
+2.6V_MSMP2
ICVE10054E250R101FR
F5007
1
IN1
2
IN2
3
IN3
4
IN4
5
GND
6
OUT4
7
OUT3
8
OUT2
9
OUT1
10
SW5036
1
2
QKEY_INT/
SW5014
1
2
SW5023
1
2
R5001
3.3k
ICVE10054E250R101FR
F5002
1
IN1
2
IN2
3
IN3
4
IN4
5
GND
6
OUT4
7
OUT3
8
OUT2
9
OUT1
10
SW5037
1
2
SW5002
1
2
SW5024
1
2
SW5017
1
2
SW5025
1
2
SW5043
1
2
C5001
0.1u
SW5010
1
2
VOL_DOWN
SW5003
1
2
SW5005
1
2
R5002
120k
+/-1%
R5003
3.3k
SW5007
1
2
SW5045
1
2
QKEY_RESET/
SW5030
1
2
+2.6V_MSMP2
SW5033
1
2
ICVE10054E250R101FR
F5005
1
IN1
2
IN2
3
IN3
4
IN4
5
GND
6
OUT4
7
OUT3
8
OUT2
9
OUT1
10
SW5016
1
2
SW5026
1
2
SW5039
1
2
SW5040
1
2
QKEY_I2C_SDA
SW5029
1
2
SW5031
1
2
ICVE10054E250R101FR
F5006
1
IN1
2
IN2
3
IN3
4
IN4
5
GND
6
OUT4
7
OUT3
8
OUT2
9
OUT1
10
SIDE_COM
VOL_UP
SW5006
1
2
SW5044
1
2
SW5035
1
2
SW5013
1
2
QKEY_I2C_SCL
SW5012
1
2
SW5019
1
2
SW5009
1
2
SW5015
1
2
SW5008
1
2
SW5046
1
2
SW5032
1
2
SW5028
1
2
SW5048
1
2
SW5011
1
2
SW5038
1
2
SW5049
1
2
COL7
ROW1
ROW2
SW5004
1
2
ROW3
SW5047
1
2
BU1851GUW
U5001
TESTM0
A1
XRST
A2
XO
A3
XI
A4
ROW0
A5
TESTM3
A6
CLKSEL
B2
VDD1
B3
VDD2
B4
ROW2
B5
ROW1
B6
KINT
C1
VDD3
C2
VSS1
C3
PORENB
C4
ROW4
C5
ROW3
C6
KSDA
D1
VDD4
D2
VSS2
D3
VSS3
D4
ROW6
D5
ROW5
D6
KSCL
E1
COL6
E2
COL4
E3
COL2
E4
COL0
E5
ROW7
E6
TESTM1
F1
COL7
F2
COL5
F3
COL3
F4
COL1
F5
TESTM2
F6
TP5001
SW5027
1
2
SW5051
1
2
SIDE_CAM
SW5021
1
2
SW5050
1
2
SW5042
1
2
SW5001
1
2
SW5041
1
2
?
R
G
9
6
FN
O
3
LEFT
BACK
X
5
J
W
L
UP
T
SHIFT
I
B
4
Y
E
SPACE
2
C
D
0
V
K
SMILE
SOCIAL
A
H
7
ENTER
U
Q
8
F
M
Z
N
P
1
S
.
DOWN
RIGHT
ENTER2
SPACE2
BACK
HOME
SEND
1
TP1
1
TP1
4/+
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Summary of Contents for LG511C
Page 1: ...Internal Use Only Service Manual LG511C Date September 2011 Issue 1 0 ...
Page 28: ...LG Electronics Inc LN510 27 168 Figure 1 1 Block Diagram of LG511C LG511C ...
Page 30: ...LG Electronics Inc LN510 29 168 LG511C ...
Page 50: ...LG Electronics Inc LN510 49 168 Waveform Waveform 4 1 1 c 4 1 1 d U1001 pin2 U1003 pin1 ...
Page 96: ...LG Electronics Inc LN510 95 168 1 ...
Page 98: ...LG Electronics Inc LN510 97 168 1 2 3 4 5 LG511C ...
Page 108: ...LG Electronics Inc LN510 107 168 Test points Test points 1 TP1 4 TP4 2 TP2 3 TP3 5 TP5 LG511C ...
Page 134: ...LG Electronics Inc LN510 133 168 Appendix Appendix ...
Page 136: ...LG Electronics Inc LN510 135 168 Appendix 2 Circuit diagram Appendix 2 Circuit diagram ...
Page 144: ...LG Electronics Inc LN510 143 168 Appendix 3 BGA Pin Map Appendix 3 BGA Pin Map ...
Page 145: ...LG Electronics Inc LN510 144 168 Not Used 3 1 U1601 BCM2070_BT 3 1 U1601 BCM2070_BT ...
Page 146: ...LG Electronics Inc LN510 145 168 3 2 U2001 QSC6075T 3 2 U2001 QSC6075T ...
Page 149: ...LG Electronics Inc LN510 148 168 3 5 U4002 LM49151_AUDIO AMP 3 5 U4002 LM49151_AUDIO AMP ...
Page 151: ...LG Electronics Inc LN510 150 168 Appendix 4 Component Layout Appendix 4 Component Layout ...
Page 152: ...LG Electronics Inc LN510 151 168 4 1 Main PCB Component Layout 4 1 Main PCB Component Layout ...
Page 161: ...LG Electronics Inc LN510 1 Appendix 6 Part List Appendix 6 Part List LG511C ...