LG 42LE8500 (CHASSIS:LB03E) Service Manual ▷ View online
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
SIDE_GENDER
SIDE_AV_DET
SIDE_AV_R_IN
SIDE_AV_CVBS
SIDE_AV_L_IN
SIDE_COMP_Pb
SIDE_COMP_Y
SIDE_COMP_Pr
SIDE_COMP_DET
L8602
270nH
270nH
C8610
27pF
50V
50V
L8601
270nH
270nH
C8602
27pF
27pF
50V
C8609
27pF
50V
50V
C8603
27pF
27pF
50V
C8605
47pF
50V
47pF
50V
0
R8603
D8601
5.6V
5.6V
R8605
10K
10K
+3.3V_NORMAL
C8600
100pF
50V
100pF
50V
R8608
1K
C8611
100pF
50V
100pF
50V
R8601
470K
D8602
5.6V
R8606
0
0
C8607
1uF
25V
R8607
0
0
R8602
470K
C8606
1uF
25V
D8603
5.6V
C8612
100pF
50V
100pF
50V
C8608
27pF
50V
50V
C8601
27pF
27pF
50V
L8600
270nH
270nH
R8604
1K
1K
+3.3V_NORMAL
C8604
100pF
100pF
50V
D8606
5.6V
R8600
10K
D8607
5.5V
D8605
5.5V
SIDE_COMP_INCM
C8613
0.1uF
R8609
36
JK8601
KJA-PH-1-0177
3
M3_DETECT
4
M4
5
M5_GND
1
M1
6
M6
JK8600
KJA-PH-1-0177
3
M3_DETECT
4
M4
5
M5_GND
1
M1
6
M6
D8608
5.1V
D8609
5.1V
D8610
5.1V
D8611
5.1V
11
(New Item Developmen)
(New Item Developmen)
SIDE CVBS PHONE JACK
SIDE COMPONENT PHONE JACK
ALL for SIDE_GENDER option
Run Along SIDE_COMP_Y_IN,SIDE_COMP_Pr_IN,SIDE_COMP_Pb_IN Trace
Near J
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
WIRELESS
BCM_RXD1
R8705
2.2K
2.2K
C8702
0.01uF
50V
+3.5V_ST
JK8700
KJA-PH-3-0168
14
GND_3
13
I2C_SDA
5
VCC[24V/20V/17V]_5
12
I2C_SCL
11
GND_2
2
VCC[24V/20V/17V]_2
19
GND_5
18
IR
10
RESET
4
VCC[24V/20V/17V]_4
1
VCC[24V/20V/17V]_1
17
GND_4
9
GND_1
8
INTERRUPT
3
VCC[24V/20V/17V]_3
16
UART_TX
7
DETECT
6
VCC[24V/20V/17V]_6
15
UART_RX
20
GND_6
21
SHIELD
TP8700
+24V
R8700
0
WIRELESS
C8701
2.2uF
R8711
4.7K
OPT
C8703
0.1uF
R8713
1K
IC8700
MC14053BDR2G
WIRELESS
3
Z1
2
Y0
4
Z
1
Y1
6
INH
5
Z0
7
VEE
8
VSS
9
C
10
B
11
A
12
X0
13
X1
14
X
15
Y
16
VDD
R8704
22K
22K
R8712
47K
OPT
R8706
0 NON_WIRELESS
0 NON_WIRELESS
R8708
0
WIRELESS
C8700
0.1uF
50V
0.1uF
50V
WIRELESS_TX
WIRELESS_SCL
R8714
10K
TP8701
R8707
0
WIRELESS
WIRELESS_DL_RX
+3.3V_NORMAL
+3.5V_ST
IR_PASS
R8701
0
WIRELESS
WIRELESS_DETECT
R8702
10K
10K
WIRELESS_RX
R8703
0
NON_WIRELESS
WIRELESS_PWR_EN
Q8700
E
B
C
WIRELESS_SW_CTRL
BCM_RX
BCM_TX
Q8701
AO3407A
G
D
S
WIRELESS_RX
WIRELESS_TX
BCM_TXD1
WIRELESS_DL_TX
WIRELESS_SDA
C8704
10uF
35V
10uF
35V
C8705
10uF
35V
10uF
35V
L8700
MLB-201209-0120P-N2
RS232C & Wireless
LOW
WIRELESS_SW_CTRL
Wireless power
WIRELESS Dongle connect --> WIRELESS RS232
HIGH
SELECT PIN
WIRELESS Dongle Dis_con --> S7 RS232
X0/Y0/Z0
X1/Y1/Z1
WIRELESS READY MODEL
STATUS
12
THERMAL
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
2009.06.18
NTP7000
BCM (EUROBBTV)
+1.8V_AMP
0.1uF
C8820
50V
IC8800
AP1117E18G-13
2
OUT
3
IN
1
ADJ/GND
C8810
1000pF
50V
C8840
0.47uF
50V
R8803
100
C8808
1000pF
50V
R8822
4.7K
+1.8V_AMP
C8800
0.1uF
16V
0.1uF
16V
+1.8V_AMP
Q8800
2SC3052
E
B
C
R8819
12
R8821
4.7K
R8809
3.3
3.3
EMI
C8826
10uF
35V
10uF
35V
R8811
10K
R8814
12
C8802
10uF
10V
10uF
10V
C8837
390pF
50V
L8801
BLM18PG121SN1D
C8806
100pF
50V
0.1uF
C8824
50V
AUD_LRCK
C8805
10uF
10V
OPT
AUD_LRCH
C8830
22000pF
50V
R8815
12
SCL1_3.3V
0.1uF
C8818
16V
D8802
100V
1N4148W
OPT
R8826
0
0
AUD_SCK
C8825
1uF
25V
0.1uF
C8807
16V
AMP_MUTE
C8832
0.01uF
50V
0.01uF
50V
EMI
SPK_L+
0.1uF
C8842
50V
AMP_RESET_N
0.1uF
C8831
50V
SPK_L-
R8818
12
D8801
100V
1N4148W
OPT
C8809
33pF
50V
33pF
50V
SPK_R+
R8806
3.3K
C8803
0.1uF
16V
0.1uF
16V
+3.3V_NORMAL
SPK_R-
C8823
22000pF
50V
R8812
12
+1.8V_AMP
SPK_L+
C8829
22000pF
50V
C8812
33pF
50V
33pF
50V
P8800
WAFER-ANGLE
1
2
3
4
AUD_MASTER_CLK
C8839
0.47uF
50V
R8800
1
R8827
0
0
L8802
BLM18PG121SN1D
+24V_AMP
SPK_R+
+3.5V_ST
C8838
390pF
50V
R8823
4.7K
L8800
BLM18PG121SN1D
R8805
100
D8803
100V
1N4148W
OPT
C8815
10uF
10uF
10V
OPT
0.1uF
C8843
50V
0.1uF
C8844
50V
+3.3V_NORMAL
R8808
100
R8801
100
POWER_DET
R8813
12
R8816
12
C8801
10uF
10V
OPT
0.1uF
C8833
50V
R8817
12
C8835
390pF
50V
R8807
0
0
OPT
0.1uF
C8841
50V
R8824
0
0
R8802
100
SDA1_3.3V
R8804
100
C8804
0.1uF
16V
D8800
100V
1N4148W
OPT
R8810
10K
C8821
1000pF
50V
1000pF
50V
C8828
1uF
25V
C8834
10uF
35V
10uF
35V
0.1uF
C8811
C8816
1uF
25V
+24V_AMP
C8822
1uF
25V
R8820
4.7K
C8819
22000pF
50V
SPK_R-
R8825
0
0
SPK_L-
C8836
390pF
50V
IC8801
NTP-7000
EAN60969601
1
BST1A
2
VDR1A
3
/RESET
4
AD
5
DGND_1
6
GND_IO
7
CLK_I
8
VDD_IO
9
DGND_PLL
10
AGND_PLL
11
LF
12
AVDD_PLL
13
DVDD_PLL
14
GND
15
DGND_2
16
DVDD
17
SDATA
18
WCK
19
BCK
20
SDA
21
SCL
22
MONITOR0
23
MONITOR1
24
MONITOR2
25
/FAULT
26
VDR2B
27
BST2B
28
PGND2B_1
29
PGND2B_2
30
OUT2B_1
31
OUT2B_2
32
PVDD2B_1
33
PVDD2B_2
34
PVDD2A_1
35
PVDD2A_2
36
OUT2A_1
37
OUT2A_2
38
PGND2A_1
39
PGND2A_2
40
BST2A
41
VDR2A
42
NC
43
VDR1B
44
BST1B
45
PGND1B_1
46
PGND1B_2
47
OUT1B_1
48
OUT1B_2
49
PVDD1B_1
50
PVDD1B_2
51
PVDD1A_1
52
PVDD1A_2
53
OUT1A_1
54
OUT1A_2
55
PGND1A_1
56
PGND1A_2
57
EP_PAD
+24V
L8803
MLB-201209-0120P-N2
+24V_AMP
0.1uF
C8827
50V
L8805
AD-9060
15uH
2S
1S
1F
2F
L8804
AD-9060
15uH
2S
1S
1F
2F
C8813
47pF
50V
47pF
50V
EMI
C8814
47pF
50V
47pF
50V
EMI
C8817
47pF
50V
47pF
50V
EMI
38
KIM JONG HYUN
120 mA
SPEAKER_L
SPEAKER_R
Vd=1.4V
CCFL = 20V
Edge_LED 32~47 Inch = 20V
55 Inch & IOP Module = 24V
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
2009.09.11
URSA3 DDR & Power
COMMON
89
DDR3_A[9]
DDR3_DQU[4]
DDR3_DQL[4]
DDR3_DQU[6]
DDR3_A[0]
DDR3_DQL[2]
DDR3_A[8]
DDR3_DQU[1]
DDR3_A[2]
DDR3_DQL[6]
DDR3_A[1]
DDR3_DQU[2]
DDR3_A[6]
DDR3_DQL[0]
DDR3_A[10]
DDR3_A[11]
DDR3_DQU[5]
DDR3_A[5]
DDR3_DQL[3]
DDR3_DQL[1]
DDR3_DQL[5]
DDR3_A[7]
DDR3_DQU[7]
DDR3_DQL[7]
DDR3_A[3]
DDR3_DQU[3]
DDR3_DQU[0]
DDR3_A[4]
DDR3_A[12]
DDR3_DQSUB
D1.5V_DDR3
FRC_A[12]
DDR3_DQU[0]
DDR3_DML
D1.5V_DDR3
DDR3_WEB
DDR3_DQU[1]
DDR3_A[3]
DDR3_DQL[4]
DDR3_A[1]
DDR3_A[0]
R8922
150
OPT
DDR3_A[2]
DDR3_CASB
DDR3_A[9]
DDR3_A[10]
DDR3_RASB
DDR3_A[4]
DDR3_DQU[6]
DDR3_DMU
DDR3_RESETB
FRC_A[0]
C8924
0.1uF
DDR3_ODT
DDR3_A[12]
MVREFCA
DDR3_DQU[5]
FRC_BA2
DDR3_DQL[3]
FRC_DQU[3]
DDR3_DQU[4]
DDR3_DQSL
C8913
0.1uF
C8929
0.1uF
DDR3_A[7]
FRC_DQSLB
D1.5V_DDR3
C8910
1000pF
OPT
FRC_DQU[1]
DDR3_MCLK
DDR3_A[11]
DDR3_DQU[3]
FRC_DQU[5]
DDR3_DMU
FRC_DQSL
MVREFDQ
FRC_RASB
C8922
0.1uF
MVREFCA
DDR3_DQL[6]
FRC_DQL[2]
DDR3_WEB
FRC_WEB
FRC_DQU[7]
R8904
1K
1%
R8920
1K
1%
FRC_A[6]
DDR3_DQL[7]
FRC_DQSU
FRC_DML
C8930
0.1uF
DDR3_DQSU
DDR3_BA1
DDR3_DML
C8902
10uF
10V
10uF
10V
FRC_DQL[7]
DDR3_BA0
DDR3_DQL[0]
DDR3_DQU[7]
DDR3_A[8]
C8915
0.1uF
DDR3_A[0-12]
DDR3_DQSLB
FRC_DQL[1]
FRC_DQL[3]
D1.5V_DDR3
DDR3_BA0
FRC_DQU[6]
C8928
0.1uF
FRC_ODT
DDR3_ODT
C8917
0.1uF
DDR3_DQU[0-7]
R8921
240
1%
DDR3_DQL[2]
DDR3_MCLKB
FRC_DQU[2]
FRC_CASB
FRC_CKE
FRC_MCLKB
FRC_DQU[4]
FRC_DQL[4]
C8909
0.1uF
MVREFDQ
FRC_DDR3_RESETB
FRC_DQSUB
C8921
0.1uF
DDR3_DQL[5]
FRC_A[4]
DDR3_MCLK
DDR3_DQL[1]
FRC_DQL[5]
FRC_DQL[6]
FRC_A[2]
FRC_BA1
C8919
0.1uF
FRC_BA0
C8927
0.1uF
DDR3_MCLKB
DDR3_BA2
C8925
0.1uF
R8919
1K
1%
C8918
0.1uF
DDR3_A[6]
L8900
C8908
10uF
DDR3_DQSL
DDR3_DQSU
FRC_A[11]
C8901
0.1uF
FRC_A[5]
FRC_A[10]
C8916
0.1uF
FRC_DQU[0]
D1.5V_DDR3
DDR3_DQL[0-7]
DDR3_DQU[2]
DDR3_A[5]
DDR3_DQSLB
FRC_A[8]
C8903
1000pF
OPT
FRC_MCLK
DDR3_CKE
DDR3_RESETB
FRC_A[9]
DDR3_CASB
R8900
1K
1%
C8914
0.1uF
D1.5V_DDR3
FRC_DMU
DDR3_BA2
FRC_A[3]
C8904
0.1uF
16V
0.1uF
16V
+1.5V_MEMC
R8923
10K
10K
FRC_A[1]
DDR3_DQSUB
FRC_A[7]
C8920
0.1uF
C8926
0.1uF
DDR3_CKE
DDR3_BA1
C8923
0.1uF
FRC_DQL[0]
DDR3_RASB
+1.5V_MEMC
+3.3V_MEMC
C8934
10uF
25V
10uF
25V
C8937
2200pF
+3.3V_MEMC
+12V
R8928
10K
C8944
0.1uF
16V
0.1uF
16V
R8935
10K
1%
C8942
22uF
10V
22uF
10V
C8940
100pF
50V
OPT
L8905
3.6uH
3.6uH
NR8040T3R6N
C8932
10uF
25V
10uF
25V
POWER_ON/OFF2_2
POWER_ON/OFF2_1
+1.26V_MEMC
AR8903
10
AR8900
10
AR8902
10
AR8901
10
AR8904
10
AR8905
10
AR8908
10
AR8907
10
AR8906
10
R8912
10
R8910
10
R8909
10
R8913
10
R8911
10
R8914
10
R8918
10
R8916
10
R8917
10
R8915
10
R8933
27K
1%
R8934
4.7K
1%
L8902
CIC21J501NE
R8925
9.1K
22uF
C8938
R8929
56
56
1%
L8903
CIC21J501NE
IC8901
AP1117EG-13
ADJ/GND
OUT
IN
R8926
10K
L8904
3.6uH
3.6uH
NR8040T3R6N
C8933
10uF
25V
10uF
25V
C8939
100pF
50V
OPT
C8943
0.1uF
16V
0.1uF
16V
C8931
10uF
25V
10uF
25V
C8941
22uF
10V
22uF
10V
+12V
R8932
12K
1%
L8901
R8931
3.9K
1%
R8924
6.2K
C8936
3300pF
H5TQ1G63BFR-12C
IC8900
A0
N3
A1
P7
A2
P3
A3
N2
A4
P8
A5
P2
A6
R8
A7
R2
A8
T8
A9
R3
A10/AP
L7
A11
R7
A12/BC
N7
A13
T3
A15
M7
BA0
M2
BA1
N8
BA2
M3
CK
J7
CK
K7
CKE
K9
CS
L2
ODT
K1
RAS
J3
CAS
K3
WE
L3
RESET
T2
DQSL
F3
DQSL
G3
DQSU
C7
DQSU
B7
DML
E7
DMU
D3
DQL0
E3
DQL1
F7
DQL2
F2
DQL3
F8
DQL4
H3
DQL5
H8
DQL6
G2
DQL7
H7
DQU0
D7
DQU1
C3
DQU2
C8
DQU3
C2
DQU4
A7
DQU5
A2
DQU6
B8
DQU7
A3
VREFCA
M8
VREFDQ
H1
ZQ
L8
VDD_1
B2
VDD_2
D9
VDD_3
G7
VDD_4
K2
VDD_5
K8
VDD_6
N1
VDD_7
N9
VDD_8
R1
VDD_9
R9
VDDQ_1
A1
VDDQ_2
A8
VDDQ_3
C1
VDDQ_4
C9
VDDQ_5
D2
VDDQ_6
E9
VDDQ_7
F1
VDDQ_8
H2
VDDQ_9
H9
NC_1
J1
NC_2
J9
NC_3
L1
NC_4
L9
NC_6
T7
VSS_1
A9
VSS_2
B3
VSS_3
E1
VSS_4
G8
VSS_5
J2
VSS_6
J8
VSS_7
M1
VSS_8
M9
VSS_9
P1
VSS_10
P9
VSS_11
T1
VSS_12
T9
VSSQ_1
B1
VSSQ_2
B9
VSSQ_3
D1
VSSQ_4
D8
VSSQ_5
E2
VSSQ_6
E8
VSSQ_7
F9
VSSQ_8
G1
VSSQ_9
G9
IC8903
AOZ1072AI
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
IC8902
AOZ1072AI
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
C8935
10uF
10uF
16V
R8927
270
1%
R8930
3.3K
1%
C8946
0.1uF
16V
0.1uF
16V
R8936
1
DDR3 1.5V By CAP - Place these Caps near Memory
Close to DDR Power Pin
2A
R1
R2
+3.3V_MEMC
Vout=0.8*(1+R1/R2)
URSA3 CORE 1.26V
1074 mA
URSA3 DDR3 1.5V
R2
R1
2A
Vout=0.8*(1+R1/R2)
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