LG 72LZ9900-CA (CHASSIS:LC12N) 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.
R1007
1K
WIRELESS
+24V
WIRELESS
Q1002
WIRELESS
AO3407A
G
D
S
C1004
10uF
35V
10uF
35V
WIRELESS
WIRELESS
SDA2_3.3V
WIRELESS
+3.3V_Normal
WIRELESS
WIRELESS_SDA
WIRELESS
WIRELESS
R1008
10K
WIRELESS
L1001
MLB-201209-0120P-N2
WIRELESS
WIRELESS_DET
WIRELESS
WIRELESS_SCL
WIRELESS
SCL2_3.3V
WIRELESS
IR_PASS
WIRELESS
R1006
33
WIRELESS
D1001
5.6V
CDS3C05HDMI1
WIRELESS
WIRELESS_SDA
WIRELESS
WIRELESS
D1002
5.6V
CDS3C05HDMI1
WIRELESS
WIRELESS_SCL
WIRELESS
R1002
22K
WIRELESS
C1002
2.2uF
WIRELESS
R1003
2.2K
2.2K
WIRELESS
Q1001
WIRELESS
MMBT3904(NXP)
E
B
C
WIRELESS_PWR_EN
WIRELESS R1001
10K
WIRELESS
R1005
33
WIRELESS
JK1001
GU043-20P-E1000
WIRELESS
14
GND_3
13
I2C_SDA
5
VCC(24V/20V/17V)_1
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)_1
15
UART_RX
20
GND_6
21
SHIELD
1ST : EBK61012601, 2ND : 0TRDI80002A
BCM35230
Q1002
D1001,D1002
Address : 0X20
DUAL COMPONENT
Wireless I2C connection with I2C_1
50
WIRELESS
1ST : EBK60752501, 2ND : EBK61011501
Wireless power
10
Q1001
1ST : EAH42720601 2ND : EAH60994401
WIRELESS READY MODEL
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.
LEX9_EU_COMP_AV
66
BCM35230
+3.3V_Normal
ZD6602
5.1V
AV1_L_IN
R6605
75
75
1%
JK6600
KJA-PH-1-0177
3
M3_DETECT
4
M4
5
M5_GND
1
M1
6
M6
AV2_CVBS_IN
R6604
75
75
1%
COMP1_Pb
SC_B/COMP2_Pb
COMP1_Y
R6606
75
75
1%
D6601
5.6V
ZD6606
5.1V
R6613
1K
1K
R6607
2.7K
2.7K
COMP1_Pr
R6603
2.7K
AV2_R_IN
D6602
5.6V
ZD6607
5.1V
D6603
5.6V
C6602
560pF
50V
560pF
50V
C6606
560pF
50V
560pF
50V
AV1_CVBS_IN
SC_G/COMP2_Y
AV1_R_IN
AV2_L_IN
R6602
470K
ZD6605
5.1V
R6601
470K
D6600
5.6V
5.6V
COMP1_DET
SC_R/COMP2_Pr
C6607
560pF
50V
560pF
50V
AV2_CVBS_DET
C6601
560pF
50V
560pF
50V
SC_DET/COMP2_DET
R6600
75
75
1%
ZD6604
5.1V
JK6601
KJA-PH-1-0177
3
M3_DETECT
4
M4
5
M5_GND
1
M1
6
M6
ZD6600
5.1V
R6611
1K
1K
+3.3V_Normal
ZD6601
5.1V
AV1_CVBS_DET
SC/COMP2_R_IN
SC/COMP2_L_IN
AMP_MUTE_HOTEL
5V_HDMI_4
AUDIO_R
L6603
CM2012FR27KT
L6604
CM2012FR27KT
C6611
27pF
50V
27pF
50V
C6612
27pF
50V
27pF
50V
C6613
27pF
50V
27pF
50V
C6614
27pF
50V
27pF
50V
COMP2_Pr
COMP2_Pb
COMP2_Y
L6605
CM2012FR27KT
SCART
L6606
CM2012FR27KT
SCART
L6607
CM2012FR27KT
SCART
C6615
27pF
50V
27pF
50V
SCART
C6616
27pF
50V
27pF
50V
SCART
C6617
27pF
50V
27pF
50V
SCART
C6618
27pF
50V
27pF
50V
SCART
C6619
27pF
50V
27pF
50V
SCART
C6620
27pF
50V
27pF
50V
SCART
SC_R/COMP2_Pr
SC_B/COMP2_Pb
SC_G/COMP2_Y
R6612
10
10
R6609
10
10
R6610
10
10
R6608
10
10
R6614
22
22
1/10W
5%
5%
R6615
22
22
1/10W
5%
5%
C6600
47pF
50V
47pF
50V
JP6601
JP6602
JP6603
JP6604
JP6605
JP6606
JP6607
JP6600
L6602
CM2012FR10KT
0.1uH
C6608
47pF
50V
47pF
50V
C6609
47pF
50V
47pF
50V
ZD6603
5.1V
COMPONENT 1 PHONE JACK
CVBS 1 PHONE JACK
66
FOR LEX9, EU_COMP_AV
NEAR SCART
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.
R1319
100
100
M_REMOTE
R1315
100
100
M_REMOTE
3D_SYNC_RF
R1320
22
22
M_REMOTE
R1326
22
22
M_REMOTE
DD_MREMOTE
R1322
2.7K
M_REMOTE
3D_GPIO_1
3D_GPIO_0
M_REMOTE_RX
R1325
22
22
M_REMOTE
M_RFModule_RESET
3D_GPIO_2
R1321
2.7K
M_REMOTE
+3.3V_Normal
P1302
12507WR-12L
M_REMOTE
1
3.3V
2
GND
3
RX
4
TX
5
RESET
6
DC
7
DD
8
GND
9
GPIO_0
10
GPIO_1
11
GPIO_2
12
3D_SYNC
13
.
+3.3V_Normal
R1317
100
100
M_REMOTE
R1323
2.7K
M_REMOTE
L1303
120-ohm
M_REMOTE
R1318
100
100
M_REMOTE
R1316
100
100
M_REMOTE
R1324
22
22
M_REMOTE
DC_MREMOTE
M_REMOTE_TX
50
M_REMOCON
ALL M_REMOTE OPTION
TI solution M_REMOTE OPTION
13
BCM35230
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.
EPHY_TDP
L1401
MLB-201209-0120P-N2
EPHY_RDP
+3.3V_Normal
EPHY_RDN
C1401
0.1uF
16V
+2.5V_BCM35230
EPHY_TDN
EPHY_ACTIVITY
EPHY_LINK
JK1401
XRJH-01A-4-DA7-180-LG(B)
1
R1
2
R2
3
R3
4
R4
5
R5
6
R6
7
R7
8
R8
12
SHIELD
9
R9
11
R11
10
R10[GND]
D1
YL_C
D2
YL_A
D3
GN_C
D4
GN_A
D1403
5V
LAN_ESD
D1405
5V
LAN_ESD
D1401
5.5V
LAN_ESD
D1404
5.5V
LAN_ESD
D1402
5.5V
LAN_ESD
D1406
5.5V
LAN_ESD
R1401
240
R1402
240
DUAL COMPONENT
D1401,D1402
D1403,D1404
D1405,D1406
D1403,D1404
D1405,D1406
14
ETHERNET
Ethernet Block
1ST : EAH42720601 2ND : EAH60994401
50
BCM35230
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