Read LG 50PX950-UA / 50PX950-UF (CHASSIS:PU02B) Service Manual 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.
BCM/CLOCK/LVDS
BCM3549_JTAG_TDO
L903
BLM18PG121SN1D
R929
2.7K
R932
5.1
5.1
A2.5V
C954
0.1uF
R924
2.7K
R942
1K
C944
4.7uF
C903
0.015uF
C939
0.1uF
R906
49.9
C
9
2
2
0
.
1
u
F
L904
BLM18PG121SN1D
C
9
2
4
0
.
1
u
F
54MHz_XTAL_N
009:O19
R940
1K
R919
22
R911
1.5K
A1.2V
A2.5V
L900
BLM18PG121SN1D
C907
0.015uF
R934
5.1
5.1
AV_L_IN_2
001:J8
L901
BLM18PG121SN1D
BLM18PG121SN1D
C959
0.1uF
C955
4.7uF
4.7uF
D3.3V
C921
0.047uF
AV_R_IN_1
001:J27
A1.2V
R901
49.9
COMP2_INCM
009:U5
USB_DP1
AV_L_IN_1
001:J25
C972
0.1uF
D3.3V
R922
560
C901
0.015uF
C951
4.7uF
C943
10uF
R927
2.7K
OPT
C
9
6
5
0
.
1
u
F
C964
4.7uF
P900
TJC2508-4A
1
VCC
2
SCL
3
SDA
4
GND
54MHz_XTAL_P
009:O19
C923
0.047uF
BCM3549_JTAG_TDO
009:Y26
IC501
LGE3549X (BCM3549XKFSB1G)
B1_NON_SECURE_BOOT
PKT0_CLK
C25
PKT0_DATA
C24
PKT0_SYNC
B26
RMX0_CLK
A25
RMX0_DATA
A26
RMX0_SYNC
B25
VDAC_AVDD2P5
AA20
VDAC_AVDD1P2
AD22
VDAC_AVDD3P3_1
AE22
VDAC_AVDD3P3_2
AE23
VDAC_AVSS_1
W16
VDAC_AVSS_2
Y17
VDAC_AVSS_3
Y18
VDAC_AVSS_4
Y19
VDAC_RBIAS
AF24
VDAC_1
AF22
VDAC_2
AE21
VDAC_AVSS_5
AD21
VDAC_VREG
AF23
BSC_S_SCL
F23
BSC_S_SDA
F22
USB_AVSS_1
R6
USB_AVSS_2
R7
USB_AVDD1P2
R3
USB_AVDD1P2PLL
U3
USB_AVDD2P5
T4
USB_AVDD2P5REF
T3
USB_AVDD3P3
R4
USB_RREF
U4
USB_DM1
V1
USB_DP1
V2
USB_DM2
U1
USB_DP2
U2
USB_MONCDR
T5
USB_MONPLL
R5
USB_PWRFLT_1
R1
USB_PWRFLT_2
R2
USB_PWRON_1
T2
USB_PWRON_2
T1
EPHY_VREF
P6
EPHY_RDAC
P5
EPHY_RDN
P3
EPHY_RDP
P2
EPHY_TDN
N3
EPHY_TDP
N2
EPHY_AVDD1P2
P1
EPHY_AVDD2P5
P4
EPHY_PLL_VDD1P2
N4
EPHY_AGND_1
N1
EPHY_AGND_2
N5
EPHY_AGND_3
P7
AUDMX_LEFT1
AC8
AUDMX_RIGHT1
AB9
AUDMX_INCM1
AD8
AUDMX_LEFT2
AF6
AUDMX_RIGHT2
AE7
AUDMX_INCM2
AE6
AUDMX_LEFT3
AE8
AUDMX_RIGHT3
AD9
AUDMX_INCM3
AC9
AUDMX_LEFT4
AF7
AUDMX_RIGHT4
AE9
AUDMX_INCM4
AF8
AUDMX_LEFT5
AB10
AUDMX_RIGHT5
AD10
AUDMX_INCM5
AC10
AUDMX_LEFT6
AF9
AUDMX_RIGHT6
AF10
AUDMX_INCM6
AE10
AUDMX_AVSS_1
AD7
AUDMX_AVSS_2
Y10
AUDMX_LDO_CAP
AA10
AUDMX_AVDD2P5
AC7
LVDS_TX_0_DATA0_P
B4
LVDS_TX_0_DATA0_N
A4
LVDS_TX_0_DATA1_P
C6
LVDS_TX_0_DATA1_N
B6
LVDS_TX_0_DATA2_P
B3
LVDS_TX_0_DATA2_N
A3
LVDS_TX_0_DATA3_P
A1
LVDS_TX_0_DATA3_N
A2
LVDS_TX_0_DATA4_P
D5
LVDS_TX_0_DATA4_N
D6
LVDS_TX_0_CLK_P
C5
LVDS_TX_0_CLK_N
B5
LVDS_TX_1_DATA0_P
B1
LVDS_TX_1_DATA0_N
B2
LVDS_TX_1_DATA1_P
C2
LVDS_TX_1_DATA1_N
C3
LVDS_TX_1_DATA2_P
D1
LVDS_TX_1_DATA2_N
D2
LVDS_TX_1_DATA3_P
E1
LVDS_TX_1_DATA3_N
E2
LVDS_TX_1_DATA4_P
E3
LVDS_TX_1_DATA4_N
E4
LVDS_TX_1_CLK_P
D3
LVDS_TX_1_CLK_N
D4
LVDS_PLL_VREG
F5
LVDS_TX_AVDDC1P2
F1
LVDS_TX_AVDD2P5_1
F4
LVDS_TX_AVDD2P5_2
F2
LVDS_TX_AVSS_1
C1
LVDS_TX_AVSS_2
F3
LVDS_TX_AVSS_3
C4
LVDS_TX_AVSS_4
A5
LVDS_TX_AVSS_5
E5
LVDS_TX_AVSS_6
E6
LVDS_TX_AVSS_7
D7
LVDS_TX_AVSS_8
E7
LVDS_TX_AVSS_9
F7
LVDS_TX_AVSS_10
G7
LVDS_TX_AVSS_11
H7
LVDS_TX_AVSS_12
G8
LVDS_TX_AVSS_13
G10
CLK54_AVDD1P2
U22
CLK54_AVDD2P5
U23
CLK54_AVSS_1
T20
CLK54_AVSS_2
T23
CLK54_AVSS_3
U24
CLK54_XTAL_N
U25
CLK54_XTAL_P
U26
CLK54_MONITOR
T21
PM_OVERRIDE
P21
VCXO_AVDD1P2
Y25
VCXO_PLL_AUDIO_TESTOUT
W23
VCXO_AGND
U21
RESET_OUTB
H22
RESETB
F6
NMIB
G23
TMODE_0
J5
TMODE_1
J4
TMODE_2
J6
TMODE_3
J3
SPI_S_MISO
M23
POR_OTP_VDD2P5
AB7
EJTAG_TCK
H4
EJTAG_TDI
H3
EJTAG_TDO
H2
EJTAG_TMS
H1
EJTAG_TRSTB
G1
EJTAG_CE0
H6
EJTAG_CE1
H5
PLL_MAIN_AVDD1P2
T22
PLL_MAIN_AGND
T25
PLL_MAIN_MIPS_EREF_TESTOUT
T24
PLL_RAP_AVD_TESTOUT
M6
PLL_RAP_AVD_AVDD1P2
N6
PLL_RAP_AVD_AGND
N7
PLL_DS_AGND_1
V22
PLL_DS_AGND_2
V23
BYP_CPU_CLK
R22
BYP_DS_CLK
P22
BYP_SYS216_CLK
V25
BYP_SYS175_CLK
V26
POR_VDD1P2
Y8
D3.3V
P901
12505WS-10A00
OPT
1
/TRST
2
TDI
3
TDO
4
TMS
5
TCK
6
/RST
7
DINT
8
VIO
9
GND
10
GND
11
GND
COMP_R_IN_2
001:P24
C
9
2
8
0
.
1
u
F
USB_PWRFLT2
011:T20
BCM3549_JTAG_TDO
009:S14
R913
120
120
R935
5.1
5.1
CHB_CLK_OUT
012:AJ28;012:AN17
C
9
3
8
0
.
1
u
F
X900
54MHz
PC_INCM
COMP2_INCM
COMP_R_IN_1
001:W18
TP901
COMP1_INCM
009:U6
EPHY_RDP
011:R12
CHB_DATA_OUT
012:AJ27;012:AN17
R915
1K
RESET_OUTB
007:K25
C913
0.15uF
C952
100pF
50V
100pF
50V
C925
0.047uF
R902
49.9
R945
1K
C908
0.015uF
R944
1K
USB_PWRON2
011:Z20
R900
49.9
R907
49.9
R938
604
C948
100pF
50V
100pF
50V
C934
4.7uF
BCM3549_JTAG_TRSTb
009:S14
C906
0.015uF
C904
0.015uF
R903
49.9
C916
0.15uF
R933
5.1
5.1
TP903
A2.5V
C
9
6
8
0
.
1
u
F
R941
1K
C953
10uF
OPT
A1.2V
L907
2.7uH
C970
12pF
C919
0.047uF
C941
0.1uF
USB_DM2
USB_PWRFLT1
011:T27
C966
4.7uF
R921
22
TP904
C902
0.015uF
C905
0.015uF
BCM3549_JTAG_TDI
009:S15
R916
22
OPT
JTAG_RESETb
007:D27
D3.3V
C
9
4
7
0
.
1
u
F
R925
2.7K
C931
0.047uF
BCM3549_JTAG_TRSTb
009:Y27
A1.2V
C969
12pF
C909
0.015uF
R923
1K
RGB_L_IN
001:U7
USB_DM1
C927
0.047uF
A1.2V
C
9
6
1
0
.
1
u
F
C911
100pF
100pF
C963
4.7uF
4.7uF
D3.3V
C918
0.047uF
USB_PWRON1
011:Z27
COMP1_INCM
C
9
5
7
0
.
1
u
F
A1.2V
BCM3549_JTAG_TMS
009:S14
R918
0
OPT
C945
0.1uF
R904
49.9
R912
3.9K
3.9K
C
9
6
7
0
.
1
u
F
EPHY_TDP
011:R13
COMP_L_IN_2
001:P23
C960
0.1uF
A2.5V
A2.5V
C949
0.1uF
C926
4.7uF
R920
22
EPHY_TDN
011:R12
TP900
SIDE_INCM
009:U8
L902
BLM18PG121SN1D
C
9
2
9
0
.
1
u
F
R908
49.9
R943
1K
A1.2V
R931
22
R914
240
240
BCM3549_JTAG_TCK
009:Y26
C958
0.1uF
L905
BLM18PG121SN1D
COMP_L_IN_1
001:W16
R926
4.7K
OPT
4.7K
OPT
C900
4.7uF
AV_R_IN_2
001:J7
AV1_INCM
009:U7
R936
5.1
5.1
C930
0.047uF
R939
1K
OPT
A1.2V
C950
0.1uF
R930
0
OPT
C914
0.15uF
R928
2.7K
C956
10uF
R910
1.5K
A2.5V
USB_DP2
L906
BLM18PG121SN1D
R937
22
R905
49.9
54MHz_XTAL_N009:Z19
TP902
C917
0.047uF
C962
4.7uF
4.7uF
RGB_R_IN
001:U8
C936
0.01uF
0.01uF
R917
22
OPT
PC_INCM
009:U4
R909
49.9
AV1_INCM
RESETb_BCM3549
007:K26;007:U20
A1.2V
C
9
2
0
0
.
1
u
F
C933
0.047uF
EPHY_RDN
011:R11
C932
4.7uF
C915
0.15uF
SIDE_INCM
BCM3549_JTAG_TCK
009:S15
C912
0.15uF
D3.3V
BCM3549_JTAG_TDI
009:Y27
A2.5V
BCM3549_JTAG_TMS
009:Y26
54MHz_XTAL_P 009:Z19
C910
0.015uF
CHB_SOP_OUT
012:AJ28;012:AN17
C971
33pF
50V
C935
0.47uF
C937
0.47uF
C940
0.47uF
C942
0.47uF
C946
0.47uF
LVDS_TX_OUT_TB1+
009:AI20
LVDS_TX_OUT_TB0+
009:AI19
LVDS_TX_OUT_TA1-
009:AI15
LVDS_TX_OUT_TA4+
009:AI18
LVDS_TX_OUT_TA1+
009:AI15
LVDS_TX_OUT_TA4-
009:AI18
LVDS_TX_OUT_TB4+
009:AI23
LVDS_TX_OUT_TA0+
009:AI14
LVDS_TX_OUT_TA3+
009:AI17
LVDS_TX_OUT_TA0-
009:AI14
LVDS_TX_OUT_TBC-
009:AI21
LVDS_TX_OUT_TB0-
009:AI19
LVDS_TX_OUT_TB1-
009:AI19
LVDS_TX_OUT_TA2-
009:AI15
LVDS_TX_OUT_TB2+
009:AI20
LVDS_TX_OUT_TBC+
009:AI21
LVDS_TX_OUT_TA3-
009:AI17
LVDS_TX_OUT_TB3-
009:AI22
LVDS_TX_OUT_TB2-
009:AI20
LVDS_TX_OUT_TA2+
009:AI15
LVDS_TX_OUT_TAC-
009:AI16
LVDS_TX_OUT_TB4-
009:AI22
LVDS_TX_OUT_TAC+
009:AI16
LVDS_TX_OUT_TB3+
009:AI22
LVDS_TX_OUT_TB3-
009:O28
R948
4.7K
R960
4.7K
2N7002(F)
Q901
G
D
S
P902
TF05-51S
TF05-51S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
SCL3_3.3V
R953
22
L908
CB4532UK121E
EAM38058401
LVDS_TX_OUT_TB4-
009:O28
R954
22
LVDS_TX_OUT_TA1-
009:O25
LVDS_TX_OUT_TA2-
009:O25
LVDS_TX_OUT_TB1+
009:O27
R946
4.7K
LVDS_TX_OUT_TB4+
009:O28
+3.3V
R949
4.7K
LVDS_TX_OUT_TBC+
009:O26
MOD_ROM_TX
LVDS_TX_OUT_TAC-
009:O24
PC_SER_DATA
001:AM11
LVDS_TX_OUT_TB1-
009:O27
R951
4.7K
LVDS_TX_OUT_TA3+
009:O26
R963
0
/3D_FPGA_RESET
LVDS_TX_OUT_TA3-
009:O25
R957
0
R961
4.7K
4.7K
R962
0
LVDS_TX_OUT_TA0+
009:O24
SDA3_3.3V
LVDS_TX_OUT_TB0+
009:O27
3D_SYNC_OUT
LVDS_TX_OUT_TA4+
009:O26
LVDS_TX_OUT_TBC-
009:O26
+5V
LVDS_TX_OUT_TB0-
009:O27
LVDS_TX_OUT_TA0-
009:O24
LVDS_TX_OUT_TAC+
009:O24
R958
0
LVDS_TX_OUT_TA1+
009:O25
LVDS_TX_OUT_TB2+
009:O28
+3.3V
MOD_ROM_RX
R950
0
DISP_EN
PC_SER_CLK
001:AO12
2N7002(F)
Q900
G
D
S
R952
22
L/R_DETECT
R955
22
LVDS_TX_OUT_TA4-
009:O26
LVDS_TX_OUT_TB3+
009:O28
R956
22
LVDS_TX_OUT_TB2-
009:O27
+3.3V
LVDS_TX_OUT_TA2+
009:O25
R947
0
E_TCK
R966
0
R965
0
R967
0
E_TDO
E_TDI
E_TMS
R964
0
R973
0
FPGA_D/L
9 14
EAX61557901
BCM/CLOCK/LVDS
Route INCM between associated
left and right signals of same channel
left and right signals of same channel
The INCM trace ends at the
same point where the connector
ground connects to the board ground
(thru-hole connector pin).
same point where the connector
ground connects to the board ground
(thru-hole connector pin).
Place close to BCM
EJTAG
CHB Interface
ALL RESET READY
3rd Ovretone Crystal
USB1 is inserted
RESET_OUTB
LVDS Connector
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