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 VIDEO_IN
C830
0.1uF
R836
22
HDMI_CLK+
002:AA19
R802
36
RGB_R
001:AC20
A1.2V
C839
0.1uF
0.1uF
C807
0.1uF
C825
0.1uF
M_IF_N
R872
1K
OPT
L801
BLM18PG121SN1D
I2S_DATA_OUT
003:K14
A2.5V
RGB_HS
001:AA26
C855
10uF
C835
0.1uF
TP805
C827
0.1uF
COMP1_Pb
001:W14
R810
10K
M_IF_P
L807
BLM18PG121SN1D
SPDIF_OUT
001:C3
I2S_LRCLK_OUT
003:K15
C838
0.01uF
0.01uF
COMPOSITE1_IN
001:J24
HDMI_RX1+
002:AC19
C812
0.1uF
C843
0.1uF
0.1uF
C844
0.1uF
0.1uF
D3.3V
C862
0.1uF
TP804
C800
0.1uF
R814
12K
12K
RGB_VS
001:AA26
R823
75
R856
10K
C850
1000pF
1000pF
L800
BLM18PG121SN1D
R808
0
R827
75
C837
0.01uF
0.01uF
R877
0
R813
10K
10K
C848
10uF
R878
10K
R834
22
C852
0.1uF
0.1uF
C828
0.1uF
A1.2V
L804
BLM18PG121SN1D
BLM18PG121SN1D
TP803
C845
0.01uF
0.01uF
C863
0.1uF
L805
BLM18PG121SN1D
HDMI_RX1-
002:AB19
R816
82
RGB_G
001:AC21
R857
10K
L802
BLM18PG121SN1D
+5V
C806
0.1uF
R832
499
OPT
A1.2V
HDMI_CLK-
002:AA19
A2.5V
C819
0.01uF
0.01uF
R805
36
A1.2V
C818
4.7uF
4.7uF
C823
0.1uF
HDMI_SDA
002:AA19
TP806
R817
82
R876
36
C841
4.7uF
4.7uF
R835
22
TP807
C834
4.7uF
4.7uF
TP802
R822
75
C817
1000pF
1000pF
C824
0.1uF
C856
0.1uF
0.1uF
A2.5V
+5V
COMP1_Y
001:W12
C810
0.1uF
HDMI_RX0-
002:AB19
+5V
C849
10uF
C809
0.01uF
TU_CVBS
014:AL13
C840
4.7uF
4.7uF
C826
0.1uF
R829
510
510
R830
499
COMPOSITE2_IN
001:J10
C861
0.1uF
R864
10K
C833
0.1uF
R811
12K
R818
56
OPT
56
OPT
TP800
IC501
LGE3549X (BCM3549XKFSB1G)
B1_NON_SECURE_BOOT
DS_AGCI_CTL
W26
DS_AGCT_CTL
W25
EDSAFE_AVSS_1
V20
EDSAFE_AVSS_2
W21
EDSAFE_AVSS_3
W22
EDSAFE_AVSS_4
Y23
EDSAFE_AVSS_5
AA24
EDSAFE_AVSS_6
Y26
EDSAFE_AVDD2P5
Y24
EDSAFE_DVDD1P2
AB26
EDSAFE_IF_N
AA26
EDSAFE_IF_P
AA25
PLL_DS_AVDD1P2
Y21
PLL_DS_TESTOUT
R21
SD_V1_AVDD1P2
AA16
SD_V1_AVDD2P5
AB13
SD_V1_AVSS_1
W14
SD_V1_AVSS_2
AA15
SD_V2_AVDD1P2
AB15
SD_V2_AVDD2P5
AB14
SD_V3_AVDD1P2
AA14
SD_V3_AVDD2P5
AC15
SD_V2_AVSS
Y14
SD_V3_AVSS_1
W13
SD_V3_AVSS_2
Y13
SD_V4_AVDD1P2
AA13
SD_V4_AVDD2P5
Y11
SD_V4_AVSS
Y12
SD_R
AB12
SD_G
AC11
SD_B
AF11
SD_INCM_B
AE11
SD_Y1
AE17
SD_PR1
AC17
SD_PB1
AD17
SD_INCM_COMP1
AF17
SD_Y2
AE18
SD_PR2
AF19
SD_PB2
AD18
SD_INCM_COMP2
AF18
SD_Y3
AE16
SD_PR3
AD16
SD_PB3
AC16
SD_INCM_COMP3
AF16
SD_L1
AF12
SD_C1
AE12
SD_INCM_LC1
AC12
SD_L2
AC13
SD_C2
AD13
SD_INCM_LC2
AF13
SD_L3
AF15
SD_C3
AC14
SD_INCM_LC3
AD14
SD_CVBS1
AB11
SD_CVBS2
AE13
SD_CVBS3
AE14
SD_CVBS4
AD15
SD_INCM_CVBS1
AA11
SD_INCM_CVBS2
AD12
SD_INCM_CVBS3
AF14
SD_INCM_CVBS4
AE15
SD_SIF1
AD19
SD_INCM_SIF1
AE19
PLL_VAFE_AVDD1P2
AB16
PLL_VAFE_AVSS
Y16
PLL_VAFE_TESTOUT
Y15
RGB_HSYNC
AB6
RGB_VSYNC
AC6
I2S_CLK_IN
AC20
I2S_CLK_OUT
AD20
I2S_DATA_IN
AA19
I2S_DATA_OUT
AF21
I2S_LR_IN
AB20
I2S_LR_OUT
AE20
AUD_LEFT0_N
AC26
AUD_LEFT0_P
AC25
AUD_AVDD2P5_0
AB25
AUD_AVSS_0_1
W19
AUD_AVSS_0_2
W20
AUD_AVSS_0_3
Y22
AUD_AVSS_0_4
AA23
AUD_RIGHT0_N
AD25
AUD_RIGHT0_P
AD26
AUD_LEFT1_N
AF25
AUD_LEFT1_P
AE25
AUD_RIGHT1_N
AE26
AUD_RIGHT1_P
AF26
AUD_AVDD2P5_1
AB24
AUD_AVSS_1_1
AA22
AUD_AVSS_1_2
AB23
AUD_LEFT2_N
AD23
AUD_LEFT2_P
AC23
AUD_RIGHT2_N
AD24
AUD_RIGHT2_P
AE24
AUD_AVDD2P5_2
AC24
AUD_AVSS_2_1
Y20
AUD_AVSS_2_2
AA21
AUD_AVSS_2_3
AB22
AUD_AVSS_2_4
AC22
AUD_SPDIF
AF5
SPDIF_AVDD2P5
AD5
SPDIF_IN_N
AF4
SPDIF_IN_P
AE5
SPDIF_AVSS_1
AD6
SPDIF_AVSS_2
AB8
SPDIF_AVSS_3
AA9
HDMI_RX_0_CEC_DAT
AE3
HDMI_RX_0_AVSS_4
AF3
HDMI_RX_0_HTPLG_IN
AA6
HDMI_RX_0_HTPLG_OUT
AA5
HDMI_RX_0_DDC_SCL
AB3
HDMI_RX_0_DDC_SDA
Y6
HDMI_RX_0_RESREF
AC4
HDMI_RX_0_CLK_N
AC1
HDMI_RX_0_CLK_P
AC2
HDMI_RX_0_DATA0_N
AD1
HDMI_RX_0_DATA0_P
AD2
HDMI_RX_0_DATA1_N
AE1
HDMI_RX_0_DATA1_P
AE2
HDMI_RX_0_DATA2_N
AF1
HDMI_RX_0_DATA2_P
AF2
HDMI_RX_0_VDD3P3
AD3
HDMI_RX_0_VDD1P2
AD4
HDMI_RX_0_VDD2P5
AC3
HDMI_RX_0_AVSS_5
AC5
HDMI_RX_0_AVSS_1
AB5
HDMI_RX_0_AVSS_2
V8
HDMI_RX_0_AVSS_3
W8
HDMI_RX_0_PLL_AVSS
W6
HDMI_RX_0_PLL_DVDD1P2
AE4
HDMI_RX_0_PLL_DVSS
W7
HDMI_RX_1_CEC_DAT
AA3
HDMI_RX_1_AVSS_7
AB4
HDMI_RX_1_HTPLG_IN
V4
HDMI_RX_1_HTPLG_OUT
U6
HDMI_RX_1_DDC_SCL
V5
HDMI_RX_1_DDC_SDA
V3
HDMI_RX_1_RESREF
W4
HDMI_RX_1_CLK_N
W2
HDMI_RX_1_CLK_P
W3
HDMI_RX_1_DATA0_N
Y1
HDMI_RX_1_DATA0_P
Y2
HDMI_RX_1_DATA1_N
AA2
HDMI_RX_1_DATA1_P
AA1
HDMI_RX_1_DATA2_N
AB2
HDMI_RX_1_DATA2_P
AB1
HDMI_RX_1_VDD3P3
Y3
HDMI_RX_1_VDD1P2
Y4
HDMI_RX_1_VDD2P5
W5
HDMI_RX_1_AVSS_6
Y5
HDMI_RX_1_AVSS_1
W1
HDMI_RX_1_AVSS_2
U5
HDMI_RX_1_AVSS_3
V6
HDMI_RX_1_AVSS_4
U7
HDMI_RX_1_AVSS_5
U8
HDMI_RX_1_PLL_AVSS
V7
HDMI_RX_1_PLL_DVDD1P2
AA4
HDMI_RX_1_PLL_DVSS
Y7
SD_V5_AVDD1P2
AB19
SD_V5_AVDD2P5
AC19
SD_V5_AVSS
AA18
SD_INCM_G
AD11
SD_INCM_R
AA12
A1.2V
HDMI_RX0+
002:AB19
R828
200
R874
36
A2.5V
M_IF_AGC
TU_SIF
014:AL18
C853
0.1uF
0.1uF
R825
75
C804
0.1uF
R806
36
HDMI_SCL
002:AA19
C803
0.1uF
I2S_SCLK_OUT
003:K15
C851
1000pF
1000pF
COMP2_Pr
001:P21
C805
0.1uF
C821
0.1uF
C802
0.1uF
C822
0.1uF
A2.5V
RGB_B
001:AC22
C836
0.01uF
0.01uF
C832
0.1uF
TP808
C846
0.01uF
0.01uF
C847
10uF
L806
BLM18PG121SN1D
C813
0.01uF
HDMI_RX2+
002:AC19
COMP1_Pr
001:W15
R809
240
240
D3.3V
COMP2_Pb
001:P20
C816
1000pF
1000pF
C808
0.1uF
0.1uF
A2.5V
A2.5V
L803
BLM18PG121SN1D
C820
0.01uF
0.01uF
A2.5V
R807
36
R815
75
C857
0.1uF
0.1uF
A1.2V
A1.2V
R803
36
C842
0.1uF
0.1uF
TP801
R875
36
R826
75
A1.2V
HDMI_RX2-
002:AC19
R820
75
C829
0.1uF
C814
0.01uF
R801
120
C801
0.1uF
C811
4.7uF
4.7uF
R821
2K
C815
0.1uF
C831
0.1uF
C854
10uF
R873
0
COMP2_Y
001:P18
R831
10K
+5V
R824
0
R804
0
R819
0
R812
0
R879
75
75
R833
75
75
CVBS_CHB_SEARCH
R880
0
CHB
8 14
BCM_VIDEO_IN
EAX61557901
Place this test point
near connector
Run alongsideG, B, R traces
Run alognsideY, PB, Pr traces
Run alognsideL, C traces
Run along CVBS
Run along SIF
near connector
Run alongsideG, B, R traces
Run alognsideY, PB, Pr traces
Run alognsideL, C traces
Run along CVBS
Run along SIF
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