LG 50PZ950T-ZA / 50PZ950W-ZA (CHASSIS:PD12B) Service Manual ▷ View online
Fiber Optic
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.
DSUB_R+
R813
22
D804
30V
+3.3V_ST
DSUB_VSYNC
NEC_TXD
NEC_RXD
IC801
74F08D
3
Q0
2
D0B
4
D1A
1
D0A
6
Q1
5
D1B
7
GND
8
Q2
9
D2A
10
D2B
11
Q3
12
D3A
13
D3B
14
VCC
RGB_DDC_SDA
D808
30V
30V
D807
30V
30V
D806
30V
30V
R803
4.7K
C805
560pF
50V
+5V_MULTI
BCM_TX
DSUB_DET
D803
30V
30V
OPT
+3.3V_Normal
C809
18pF
18pF
50V
C803
0.1uF
0.1uF
16V
D812
5.6V
BCM_RX
D805
30V
PC_L_IN
C820
0.1uF
0.1uF
DSUB_B+
R812
22
JP809
R810
4.7K
RGB_DDC_SCL
D809
5.6V
OPT
OPT
JP810
R800
22
PC_R_IN
+3.3V_Normal
C806
0.1uF
16V
SPDIF_OUT
R827
10K
C813
0.1uF
R806
10K
10K
OPT
C811
0.1uF
16V
R807
10K
10K
OPT
D813
R816
75
D814
+5V_MULTI
C810
18pF
50V
R815
75
C815
0.1uF
R801
22
+3.3V_ST
C814
0.1uF
DSUB_HSYNC
DSUB_G+
R817
75
P802
SPG09-DB-009
1
2
3
4
5
6
7
8
9
10
IC802
AT24C02BN-SH-T
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
R831
10K
10K
C812
0.1uF
IC803
MAX3232CDR
EAN41348201
3
C1-
2
V+
4
C2+
1
C1+
6
V-
5
C2-
7
DOUT2
8
RIN2
9
ROUT2
10
DIN2
11
DIN1
12
ROUT1
13
RIN1
14
DOUT1
15
GND
16
VCC
R832
1K
C804
560pF
50V
D811
5.6V
OPT
R808
100
R809
100
R849
1K
AV2_SIDE_L_IN
AV2_SIDE_CVBS_DET
AV2_SIDE_CVBS_IN
+3.3V_Normal
AV2_SIDE_R_IN
D826
5.1V
D825
5.6V
D824
5.1V
R842
75
D829
5.1V
D823
5.1V
D822
5.6V
R846
75
COMP_Y/AV1_CVBS
COMP_R_IN
COMP_Pb
R852
1K
+3.3V_Normal
D820
5.1V
R845
75
COMP_Pr
COMP_L_IN
D818
5.1V
D817
5.1V
COMP_DET
D816
5.1V
R847
75
ROM_DL_CK
R825
220pF
50V
OPT
R824
220pF
50V
OPT
D815
30V
OPT
R811
10
C831
220pF
50V
OPT
C832
270pF
50V
OPT
ROM_DL_DA
D828
30V
OPT
R802
10
EDID_WP
R850
10
R838
2.7K
R848
2.7K
R822
22
R823
22
R859
2.7K
C834
100pF
50V
50V
R819
2.7K
R821
2.7K
2.7K
P801
SPG09-DB-010
1
RED
2
GREEN
3
BLUE
4
GND_1
5
DDC_GND
6
RED_GND
7
GREEN_GND
8
BLUE_GND
9
NC
10
SYNC_GND
11
GND_2
12
DDC_DATA
13
H_SYNC
14
V_SYNC
15
DDC_CLOCK
16
SHILED
JK800
PPJ235-01
4A
[YL]O-SPRING
5A
[YL]E-LUG
3A
[YL]CONTACT
4B
[WH]O-SPRING
3C
[RD]CONTACT
4C
[RD]O-SPRING
5C
[RD]E-LUG
JK801
PEJ027-01
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
JK802
JST1223-001
1
GND
2
VCC
3
VINPUT
4
FIX_POLE
R874
22
22
R872
22
22
R873
22
22
R833
470K
R834
470K
R844
470K
R843
470K
470K
R868
12K
OPT
R869
12K
OPT
R835
470K
R836
470K
R866
12K
OPT
R867
12K
OPT
JK803
PPJ234-02
5A
[GN]O-SPRING
6A
[GN]E-LUG
4A
[GN]CONTACT
7B
[BL]E-LUG-S
5B
[BL]O-SPRING
7C
[RD]E-LUG-S
5C
[RD]O-SPRING_1
4C
[RD]CONTACT_1
5D
[WH]O-SPRING
4E
[RD]CONTACT_2
5E
[RD]O-SPRING_2
6E
[RD]E-LUG
COMP_AV_DET
R877
1K
D810
KDS184
A2
C
A1
R879
100
OPT
R878
100
OPT
D831
D830
UART_TXD_3D
UART_RXD_3D
R880
2.7K
+3.3V_Normal
D832
5.6V
D819
5.1V
5.1V
D821
5.1V
D833
5.1V
D834
5.1V
D800
5.1V
D827
5.1V
D835
5.1V
D836
5.1V
D801
5.1V
D837
5.1V
D802
5.1V
D838
5.1V
C837
4.7pF
50V
4.7pF
50V
C836
4.7pF
50V
4.7pF
50V
C835
4.7pF
50V
4.7pF
50V
R829
0
R828
0
R805
0
R804
0
R826
0
0
R830
0
0
R851
0
0
R882 0
OPT
R881 0
OPT
C824
27pF
50V
C825
27pF
50V
C823
27pF
50V
L800
CM2012FR27KT
L801
CM2012FR27KT
L802
CM2012FR27KT
C800
27pF
50V
C801
27pF
50V
C802
27pF
50V
R856
10
1%
R857
10
1%
R858
10
1%
C807
22pF
50V
C808
22pF
50V
C816
560pF
50V
C818
560pF
50V
L803
BLM18PG121SN1D
L804
BLM18PG121SN1D
C817
47pF
50V
AV2_CVBS_EMI
RS232C JACK
SPDIF OUT
RGB/ PC AUDIO/ SPDIF/ CVBS / COMP / RS232C
RGB PC
8
PC AUDIO
COMMON JACK
EAX63525101
19
CVBS SIDE JACK
COMP/AV REAR JACK
CLOSE TO JUNCTION
ROM DOWNLOAD
for Plasma
for Plasma
1. COMP_DET + COMP_AV_DET = COMPONENT
2. COMP_DET ONLY = AV
*NOTE 16
*NOTE 19
*NOTE 19
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.
DTV/MNT_ROUT
DTV/MNT_V_OUT
Q907
RT1P141C-T112
OPT
1
2
3
SCART_Rout_N
ATV_OUT
R941
10K
EU
SCART_MUTE
C922
0.1uF
16V
EU
DTV/MNT_LOUT
DTV/MNT_LOUT
DTV/MNT_ROUT
+3.3V_ST
DTV_ATV_SELECT
R940
2K
EU
R939
2K
2K
EU
IC901
NLASB3157DFT2G
EU
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
+5V_MULTI
2SC3052
Q906
EU
SCART_Lout_P
C924
0.1uF
0.1uF
EU
2SC3052
Q905
EU
R946
75
1%
OPT
R947
75
1%
EU
C927
180pF
50V
OPT
C929
180pF
50V
OPT
SCART_Lout_N
SCART_Rout_P
R900
1K
EU
C901
6800pF
50V
EU
C915
330pF
50V
OPT
R912
470K
OPT
R909
75
C920
0.1uF
50V
EU
C912
OPT
D905
5.6V
EU
L902
BLM18PG121SN1D
EU
R906
75
P_17V
R924
1K
SC/COMP2_DET
SC_ID
SC/COMP2_L_IN
D904
5.6V
SC_B/COMP2_Pb
SC/COMP2_R_IN
REC_8
Q901
2SC3052
EU
E
B
C
C916
330pF
50V
OPT
D906
5.6V
EU
R902
470K
C906
0.1uF
16V
R914
75
EU
R927
75 EU
D908
5.6V
OPT
R922
75
EU
+3.3V_Normal
R938
12K
OPT
R952
15K
EU
R953
82
EU
C914
220pF
50V
OPT
JK900
PSC008-02
EU
1
AUDIO_R_OUT
2
AUDIO_R_IN
3
AUDIO_L_OUT
4
AUDIO_GND
5
B_GND
6
AUDIO_L_IN
7
B_OUT
8
ID
9
G_GND
10
D2B_IN
11
G_OUT
12
D2B_OUT
13
R_GND
14
RGB_GND
15
R_OUT
16
RGB_IO
17
SYNC_GND1
18
SYNC_GND2
19
SYNC_OUT
20
SYNC_IN
21
COM_GND
23
SHIELD
22
AV_DET
R903
470K
R923
10K
DTV/MNT_ROUT
C913
OPT
C919
0.1uF
50V
EU
R913
470K
OPT
R901
1K
EU
D909
30V
OPT
R928
470K
EU
C918
47uF
16V
16V
EU
SC_FB
R907
75
R945
12K
OPT
C902
6800pF
50V
EU
SC_R/COMP2_Pr
R935
22
EU
DTV/MNT_LOUT
SC_CVBS_IN
D903
5.6V
R933
0
OPT
C909
47pF
50V
EU
SC_G/COMP2_Y
R951
120
EU
C900
0.1uF
50V
0.1uF
50V
EU
R918
5.6K
EU
C911
33pF
EU
R921
33K
33K
EU
R911
2K
2K
EU
R920
33K EU
33K EU
R915
5.6K
EU
R926
10K
EU
R925
10K
EU
P_17V
C910
33pF
EU
R910
2K
2K
EU
R916
5.6K
EU
R917
5.6K
EU
R961
47K
OPT
R962
47K
OPT
R963
47K
OPT
R964
47K
OPT
SC_RE2
R960
10K
OPT
Q903
2SC3052
OPT
E
B
C
Q904
2SC3052
OPT
E
B
C
P_17V
R966
12K
OPT
R958
1K
OPT
Q902
2SC3052
OPT
E
B
C
R959
1K
OPT
R957
10K
OPT
R965
3K
OPT
R956
10K
OPT
SC_RE1
REC_8
JK901
PPJ-230-01
NON_EU
9
[GN]G
10
[GN]GND
8
[GN]C_DET
7
[BL]B
6
[RD]R
5
[WH]L_IN
4
[RD]R_IN
11
FIX-TER
13
[RD]MONO
R967
0
NON_EU
R968
0
EU
C908
10uF
16V
10uF
16V
EU
C907
10uF
16V
10uF
16V
EU
D900
5.5V
D901
5.5V
D902
5.5V
D907
5.5V
EU
D911
5.5V
EU
Q900
MMBT3906(NXP)
EU
E
B
C
D910
30V
OPT
R950
300
EU
R971
300
EU
R954
47K
EU
R949
680 EU
R970
680 EU
IC900
AS324MTR-E1
3
IN1+
2
IN1-
4
VCC
1
OUT1
6
IN2-
5
IN2+
7
OUT2
8
OUT3
9
IN3-
10
IN3+
11
GND
12
IN4+
13
IN4-
14
OUT4
R944
4.7K
EU
R948
1K
EU
C917
100uF
25V
EU
Q908
2SC3052
2SC3052
EU
E
B
C
Q909
2SC3052
2SC3052
EU
E
B
C
R973
10K
EU
R974
10K
EU
R929
10K
EU
+3.3V_Normal
+3.3V_Normal
R975
1K
1K
EU
1
R919
EU
MDS62110209
GAS3
OPT
MDS62110209
GAS12
OPT
MDS62110209
GAS4
OPT
MDS62110209
GAS5
OPT
MDS62110209
GAS14
OPT
MDS62110209
GAS6
OPT
MDS62110209
GAS19
OPT
MDS62110209
GAS20
OPT
MDS62110209
GAS15
OPT
MDS62110209
GAS7
OPT
MDS62110209
GAS18
OPT
MDS62110209
GAS21
OPT
MDS62110209
GAS17
OPT
MDS62110209
GAS9
OPT
MDS62110209
GAS1
OPT
MDS62110209
GAS8
OPT
MDS62110209
GAS2
OPT
MDS62110209
GAS10
OPT
MDS62110209
GAS23
OPT
R932
9.1K
EU
R972
0
EU
MDS61887711
GAS11
MDS61887711
GAS13
MDS61887711
GAS22
C921
27pF
50V
L900
CM2012FR27KT
C923
27pF
50V
L901
CM2012FR27KT
C925
27pF
50V
L903
CM2012FR27KT
C904
27pF
50V
C903
27pF
50V
C905
27pF
50V
[SCART AUDIO MUTE]
[SCART PIN 8]
AUD_OUT
Selece = High ==> A = B1
Selece = Low ==> A = B0
CLOSE TO SOC
EAX63525101
SCART
09
19
ATV_OUT / MNT_OUT
SCART
*NOTE3
SMD GASKET
*NOTE 8
*NOTE11
*NOTE 14
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.
IR_WRLS
R1011
10K
WIRELESS
C1002
0.01uF
50V
WIRELESS
WRLS_DET
P_17V_WRLS
R1001
1K
WIRELESS
P_17V_WRLS
R1013
2.2K
WIRELESS
R1012
22K
WIRELESS
WRLS_SCL
C1000
0.1uF
50V
WIRELESS
JK1000
KJA-PH-3-0168
WIRELESS
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
R1004
10K
WIRELESS
WRLS_PWR_EN
C1001
2.2uF
WIRELESS
50V
L1000
BLM18PG121SN1D
WIRELESS
P_17V
WRLS_SDA
WRLS_SDA
WRLS_SCL
SDA2_3.3V
SCL2_3.3V
R1014
33
33
WIRELESS
R1015
33
33
WIRELESS
D1001
5.6V
CDS3C05HDMI1
WIRELESS
D1002
5.6V
CDS3C05HDMI1
WIRELESS
+3.3V_Normal
C1004
10uF
25V
10uF
25V
OPT
Q1000
WIRELESS
MMBT3904(NXP)
E
B
C
Q1001
WIRELESS
ZXMP3F30FHTA
G
D
S
10
EAX63525101
WIRELESS READY MODEL
WIRELESS
19
* weapon.ahn $ [MRMC] Motion ReMoCon
Wireless Power On/Off
Wireless Interface
*weapon.ahn $ [WRLS] - WiReLeSs
Wireless I2C connection with I2C_1
Address : 0x20
U
S
B
D
O
W
N
S
T
R
E
A
M
U
S
B
D
O
W
N
S
T
R
E
A
M
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.
+5V_MULTI
C1107
0.1uF
/USB_OCD2
R1112
4.7K
OPT
4.7K
OPT
C1103
10uF
10V
10uF
10V
R1106
2.7K
2.7K
R1103
4.7K
OPT
4.7K
OPT
USB_CTL2
C1106
10uF
10V
10uF
10V
/USB_OCD1
USB_CTL1
L1102
MLB-201209-0120P-N2
120-ohm
+3.3V_Normal
+3.3V_Normal
USB_DM2
C1104
0.1uF
+5V_MULTI
USB_DP1
R1113
2.7K
2.7K
USB_DM1
L1103
MLB-201209-0120P-N2
120-ohm
USB_DP2
EPHY_RDN
C1101
0.1uF
16V
L1100
CIC21J501NE
R1101
510
EPHY_ACTIVITY
R1100
510
EPHY_LINK
EPHY_TDN
EPHY_RDP
+3.3V_Normal
+2.5V_BCM35230
EPHY_TDP
MOD_SDA
MOD_TX
MOD_RX
DISP_EN
R1121
27K
MOD_SCL
R1115
100
ROM_DL_DA
ROM_DL_CK
+3.3V_Normal
+3.3V_Normal
R1123
4.7K
R1122
4.7K
R1124
4.7K
R1125
4.7K
D1109
5.5V
ADUC 5S 03 0R5
D1101
5.5V
ADUC 5S 03 0R5
D1100
5.5V
ADUC 5S 03 0R5
D1108
5.5V
ADUC 5S 03 0R5
JK1101
3AU04S-305-ZC-(LG)
1
2
3
4
5
JK1102
3AU04S-305-ZC-(LG)
1
2
3
4
5
C1100
220uF
16V
C1105
220uF
16V
R1138
0
0
OPT
+3.3V_Normal
C1102
0.1uF
M_REMOTE_TX
+3.3V_Normal
M_REMOTE_RX
R1137
0
OPT
REMOTE_OR_MODULE_RX
R1140
47K
OPT
R1139
4.7K
OPT
REMOTE_OR_MODULE_TX
REMOTE_SW_CTRL
IC1102
HEF4053B
3
Y1C
2
Y0B
4
ZC
1
Y1B
6
E
5
Y0C
7
VEE
8
VSS
9
SC
10
SB
11
SA
12
Y0A
13
Y1A
14
ZA
15
ZB
16
VDD
MOD_RX
MOD_TX
TE4N
TD4P
TE4P
TD4N
TCLK4N
TCLK4P
TC4N
TB4N
TA4N
TA4P
TC4P
TB4P
TD3N
TE3N
TD3P
TE3P
TCLK3N
TCLK3P
TA3P
TA3N
TC3P
TC3N
TB3P
TB3N
TD2P
TE2P
TD2N
TE2N
TCLK2N
TCLK2P
TB2N
TA2N
TA2P
TC2P
TB2P
TC2N
TD1P
TE1P
TE1N
TD1N
TC1P
TB1P
TB1N
TC1N
TA1P
TA1N
TCLK1N
TCLK1P
JK1100
43-10013AD11-1
1
2
3
4
5
6
7
8
D1
D2
D3
D4
9
R1141
0
OPT
IC1101
AP2191DSG
EAN61849601
3
IN_2
2
IN_1
4
EN
1
GND
5
FLG
6
OUT_1
7
OUT_2
8
NC
IC1100
AP2191DSG
EAN61849601
3
IN_2
2
IN_1
4
EN
1
GND
5
FLG
6
OUT_1
7
OUT_2
8
NC
D1103
5.5V
D1105
5.5V
D1106
5.5V
D1107
5.5V
L1104
CIC21J501NE
C1108
0.1uF
16V
0.1uF
16V
D1104
5.5V
D1102
5.5V
R1136
0
R1119
0
R1120
0
P1101
FF05004-80
LVDS_N
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
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
P1101-*1
104060-8017
LVDS_P
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
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
USB 1
USB/Ethernet/LVDS
11
EAX63525101
USB 2
19
Ethernet Block
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