Read LG 50PM670T-ZA (CHASSIS:PD22C) Service Manual 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.
R509
10K
DSUB_G
DSUB_HSYNC
R565
100
GND
SC_B/COMP2_Y/AV2_CVBS
C529
0.1uF
50V
EU
R526
1K
R581
4.7K
R543
470K
DTV/MNT_LOUT
Q502
MMBT3904(NXP)
EU
E
B
C
R568
10K
R556
2.7K
OPT
MICOM_TX
JK501
PPJ234-02
EU
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
SC/COMP2_DET
R555
2K
EU
JK504
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
GND
R510
10
PC_L_IN
Q505
MMBT3904(NXP)
EU
E
B
C
R525
10K
R567
470
EU
R524
10K
ATV_OUT
R576
0
ROM_DW_CK
COMP1_DET
DTV_ATV_SELECT
R512
10
R574
33K
EU
P_+5V
C510
1000pF
50V
1000pF
50V
RS232_TXD
C502
10pF
50V
10pF
50V
P_+17V
+3.3V_MULTI
JK502
PEJ027-04
US
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
C536
0.1uF
16V
EU
C501
1000pF
50V
C508
10pF
50V
10pF
50V
R566
180
180
EU
GND
C526
0.1uF
R575
33K
EU
+5V_ST
IC500
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
C503
1000pF
50V
1000pF
50V
R573
10K
10K
EU
IR_TX
+3.3V_MULTI
R563
47K
US
SC/COMP2/AV2_L_IN
C534
10uF
16V
EU
R537
1K
EU
R519
1K
JK508
SPG09-DB-009
1
2
3
4
5
6
7
8
9
10
C506
10pF
50V
10pF
50V
DTV/MNT_ROUT
C500
1000pF
50V
RGB_DDC_SCL
SC_CVBS_OUT
R558
330
EU
R586
0
OPT
GND
R564
100
R583
0
0
NO_EU
SC_R/COMP2_Pr
P_+5V
DSUB_DET
R539
470K
470K
EU
COMP1_Pb
Q504
MMBT3904(NXP)
MMBT3904(NXP)
US
E
B
C
SC_ID
JK506
XRJV-01V-0-D12-080
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
C535
0.1uF
16V
R528
1K
SC_FB
GND
DTV/MNT_ROUT
C528
0.1uF
0.1uF
R536
1K
R580
4.7K
DTV/MNT_LOUT
SC_MUTE
DSUB_R
JK507
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
R534
0
0
Q503
MMBT3906(NXP)
MMBT3906(NXP)
EU
E
B
C
+3.3V_MULTI
SC_ROUT
ROM_DW_DA
DSUB_B
COMP1/AV1_R_IN
COMP1_Y/AV1_CVBS
C514
27pF
27pF
50V
EU
R562
10K
R511
10
SC/COMP2/AV2_R_IN
JK500
PEJ027-04
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
MICOM_RX
SC_G/COMP2_Pb
R532
0
0
C504
10pF
50V
10pF
50V
R590
10K
EU
+3.3V_ST
R542
470K
MMBT3904(NXP)
Q501
EU
R502
470K
470K
SC_CVBS_IN
R516
470K
COMP1_AV1_DET
+3.3V_ST
+3.3V_MULTI
R550
0
0
SC_LOUT
C523
0.1uF
R538
1K
EU
+3.3V_MULTI
MMBT3904(NXP)
Q500
EU
R549
33
EU
R521
470K
COMP1/AV1_L_IN
R572
18K
18K
EU
R571
47K
US
DSUB_VSYNC
SPDIF_OUT
C525
0.1uF
RGB_DDC_SDA
C509
10pF
50V
10pF
50V
IC502
NLASB3157DFT2G
EU
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
R533
10K
IR_TX
R579
0
PC_R_IN
R501
470K
470K
R554
2K
EU
RS232_RXD
C524
0.1uF
COMP1_Pr
R503
30K
30K
R504
30K
R522 30K
R518 30K
R548
30K
30K
R547
30K
30K
R506
33
33
C539
10uF
16V
10uF
16V
C540
10uF
16V
10uF
16V
C537
10uF
16V
10uF
16V
C538
10uF
16V
10uF
16V
C541
10uF
16V
10uF
16V
C542
10uF
16V
10uF
16V
R507
0
0
R520
0
0
R523
0
0
IR
R594
22
US
R
5
8
5
0
NO_US
R514
0
0
R515
0
0
R551
0
OPT
R552
0
OPT
C543
0.1uF
16V
OPT
R595
75
1%
EU
R596
75
1%
EU
R557
100
100
1/4W
EU
IC501
AZ4580MTR-E1
EU
3
IN1+
2
IN1-
4
VEE
1
OUT1
5
IN2+
6
IN2-
7
OUT2
8
VCC
R598
22
R597
22
C515
6800pF
50V
EU
C516
6800pF
50V
EU
C517
100uF
100uF
16V
EU
JK505
2F01TC1-CLM97-4F
3
VIN
2
VCC
1
GND
4
SHIELD
EDID_WP
R599
10K
OPT
D515
BAT54C
A2
C
A1
IC503
R1EX24002ASAS0A
OPT
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
D533
5.5V
D531
5.5V
D532
5.5V
D530
5.5V
JK503
PPJ239-01
NO_EU
5J
[GN2]O-SPRING
6J
[GN2]E-LUG
4J
[GN2]CONTACT
7K
[BL2]E-LUG-S
5K
[BL2]O-SPRING
7L
[RD2]E-LUG-S
5L
[RD2]O-SPRING_1
5M
[WH2]O-SPRING
4N
[RD2]CONTACT
5N
[RD2]O-SPRING_2
6N
[RD2]E-LUG
6D
[GN1]E-LUG
5D
[GN1]O-SPRING
4D
[GN1]CONTACT
7E
[BL1]E-LUG-S
5E
[BL1]O-SPRING
7F
[RD1]E-LUG-S
5F
[RD1]O-SPRING_1
4F
[RD1]CONTACT_1
5G
[WH1]O-SPRING
4H
[RD1]CONTACT_2
5H
[RD1]O-SPRING_2
6H
[RD1]E-LUG
R577
22K
EU
R578
22K
EU
C532
33pF
EU
C533
33pF
EU
R569
2.2K
2.2K
EU
C544
1uF
25V
EU
C547
1uF
25V
EU
R570
2.2K
EU
R545
51K
51K
1%
EU
R553
10K
1
%
EU
R582
100K
OPT
R584
100K
OPT
R560
100K
OPT
R561
100K
OPT
P_+17V
P_+17V
R559
220
EU
R513
75
1
%
R527
75
1
%
R517
75
1
%
R529
75
1
%
R530
75
1
%
R535
75
1%
EU
R546
75
1
%
R531
75
1%
EU
R544
75
1%
EU
R500
75
1
%
R508
75
1
%
R505
75
1
%
C530
10pF
C527
47pF
47pF
50V
D508
5.48VTO5.76V
D500
5.48VTO5.76V
D510
5.48VTO5.76V
D512
5.48VTO5.76V
D519
5.48VTO5.76V
NO_EU
D520
5.48VTO5.76V
NO_EU
D501
5.48VTO5.76V
D502
5.48VTO5.76V
D511
5.48VTO5.76V
NO_EU
D526
5.48VTO5.76V
NO_EU
D503
5.48VTO5.76V
NO_EU
D522
5.48VTO5.76V
NO_EU
D518
5.6V
OPT
D523
5.6V
D513
5.6V
D529
5.6V OPT
D528
5.6V OPT
D507
5.6V
D509
5.6V
D521
5.6V
OPT
D514 5.6V
D525
5.6V
D524
5.6V
D517
5.5V
OPT
D516
5.5V
OPT
D504
5.5V
D505
5.5V
D506
5.5V
D527
5.6V
D534
5.6V
D535
5.6V
OPT
D536
5.6V
OPT
COMPONENT2
RGB PC
SPDIF OUT
SCART
RS232
COMPONENT1
WIRED IR
Near to P901
COMP2_Y
PC AUDIO
COMP2_DET
COMP2_Pb
COMP2_Pr
COMP2_LIN
COMP2_RIN
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