LG 50PM4700 Service Manual page 17

5.48VTO5.76V
COMPONENT1
5.48VTO5.76V
NO_EU
EU
PPJ239-01 PPJ234-02
JK503
JK501
[GN]E-LUG
6H 6A
[RD1]E-LUG
[GN]O-SPRING
5H
5A
[RD1]O-SPRING_2
[GN]CONTACT
4H
4A
[RD1]CONTACT_2
[BL]E-LUG-S
5G
7B
[WH1]O-SPRING
[BL]O-SPRING
4F
5B
[RD1]CONTACT_1
[RD]E-LUG-S
5F 7C
[RD1]O-SPRING_1
[RD]O-SPRING_1
7F 5C
[RD1]E-LUG-S
[RD]CONTACT_1
5E 4C
[BL1]O-SPRING
7E 5D
[BL1]E-LUG-S
[WH]O-SPRING
4D 4E
[GN1]CONTACT
[RD]CONTACT_2
5D 5E
[GN1]O-SPRING
[RD]O-SPRING_2
6D 6E
[GN1]E-LUG
[RD]E-LUG
D507
6N
5.6V
[RD2]E-LUG
5N
[RD2]O-SPRING_2
4N
[RD2]CONTACT
5M
[WH2]O-SPRING
5L
[RD2]O-SPRING_1
7L
[RD2]E-LUG-S
5K
[BL2]O-SPRING
7K
[BL2]E-LUG-S
4J
[GN2]CONTACT
5J
[GN2]O-SPRING
COMP2_Pr
6J
COMP2_LIN
[GN2]E-LUG
COMP2_RIN
COMP2_DET
COMP2_Y
COMP2_Pb
COMPONENT2
WIRED IR
JK502
PEJ027-04
3
E_SPRING
US
T_TERMINAL1
6A
IR
B_TERMINAL1
7A
NO_US
R_SPRING
4
Near to P901
T_SPRING
5
US
B_TERMINAL2
7B
22
IR_TX
T_TERMINAL2 R594
6B
PC AUDIO
JK500
PEJ027-04
E_SPRING
3
T_TERMINAL1 C539
6A
10uF
16V
B_TERMINAL1
7A
R_SPRING
4 C501
R501
D536 1000pF
470K
5.6V 50V
T_SPRING C540
5 OPT
10uF
16V
B_TERMINAL2
7B
C500
R502
T_TERMINAL2
6B 1000pF
470K
D535 50V
5.6V
OPT
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.
Copyright © 2012 LG Electronics Inc. All rights reserved.
Only for training and service purposes
R507
0
COMP1_Y/AV1_CVBS
+3.3V_MULTI
D508
R513
D500
75 R524
10K
R526
1K
COMP1_DET
R520
0
COMP1_Pb
D510
5.48VTO5.76V R517
75
D501
5.48VTO5.76V R523
0
COMP1_Pr
D512
5.48VTO5.76V
R527
75
D502
5.48VTO5.76V
+3.3V_MULTI
R525
10K
R528
1K
COMP1_AV1_DET
D513
5.6V
C537
10uF
16V
R518 30K
COMP1/AV1_L_IN
C503
R516 1000pF
470K
50V
C538
10uF
16V
R522 30K
COMP1/AV1_R_IN
C510
D509 R521
5.6V 470K 1000pF
50V
IC503
R1EX24002ASAS0A
A0 VCC
1 8
OPT
A1 WP
2 7
A2 SCL
3 6
VSS SDA
4 5
RGB PC
JK507
SPG09-DB-010
RED_GND
6
GND_2
1
11
RED
GREEN_GND
7
DDC_DATA
2 12
GREEN
BLUE_GND
8
H_SYNC
3 13
BLUE
NC
9
V_SYNC
4 14
GND_1
SYNC_GND
10
DDC_CLOCK
5 15
DDC_GND
16
SHILED
R503
30K
PC_R_IN
GND
R504
R500
30K
PC_L_IN 75
GND
+3.3V_MULTI
SCART
NO_EU
R533
10K
R583
0
SC/COMP2_DET
R536
1K
SHIELD
R531 C514
23 75 27pF
EU 50V
AV_DET
EU
1%
22
COM_GND
21
OPT
D516 5.5V SYNC_IN
20
OPT D517 5.5V SYNC_OUT
19
R535
SYNC_GND2
C517
75 R539
18 470K 100uF
1% EU
SYNC_GND1
EU
17
OPT D518 5.6V RGB_IO
16 R532
NO_EU NO_EU
R_OUT 0
D511 D519 SC_R/COMP2_Pr
15
5.48VTO5.76V 5.48VTO5.76V RGB_GND R529
75
14
R_GND
13
D2B_OUT
EU R534
NO_EU NO_EU 12
0
D526 D520 G_OUT
SC_G/COMP2_Pb
11
5.48VTO5.76V 5.48VTO5.76V D2B_IN
R530
10 75
G_GND
9
OPT
D521 5.6V ID
8
NO_EU
B_OUT
NO_EU
7
D503 D522 AUDIO_L_IN
5.48VTO5.76V 5.48VTO5.76V
6
B_GND
D527 5.6V
5
AUDIO_GND
4
D534 5.6V
AUDIO_L_OUT
3
AUDIO_R_IN
2
AUDIO_R_OUT
1
EU
R537
1K
PSC008-02
EU
JK504 C515
6800pF
50V
EU
R538
1K
EU
C516
6800pF
50V
+5V_ST
A1
C
A2
R599
BAT54C
10K D515
EDID_WP
+3.3V_MULTI
R509
10K
R519
1K
DSUB_DET
R597
22
RGB_DDC_SDA
R514
0
DSUB_HSYNC
R515
0
DSUB_VSYNC
R598
22
RGB_DDC_SCL
C502 C506
10pF 10pF
50V 50V
ROM_DW_DA
ROM_DW_CK
R510
10
DSUB_R
R511
10
DSUB_G
R512
10
DSUB_B
C504 C508 C509
R505 R508
10pF 10pF 10pF
75 75
50V 50V 50V
GND
GND GND
SC_CVBS_IN
C
Q502
E
MMBT3904(NXP)
EU
R557
100
16V
EU
EU
1/4W
SC_FB
R549
R544
75 33
EU EU
1%
1%
SC_ID
R545
R553
51K
10K
EU
EU
R550
0
SC_B/COMP2_Y/AV2_CVBS
R546
75
C541
10uF
16V
SC/COMP2/AV2_L_IN
R547
R542
30K
470K
C542
10uF
16V
SC/COMP2/AV2_R_IN
R548
R543 30K
470K
EU
R569
2.2K
DTV/MNT_LOUT
DTV/MNT_LOUT
DTV/MNT_ROUT
Q501
MMBT3904(NXP) SC_MUTE
R555
EU
2K
EU
Q500
SC_LOUT
MMBT3904(NXP)
R554
EU
2K
EU
+3.3V_ST
RS232
IC500
C528
MAX3232CDR
0.1uF
C1+ VCC
0.1uF C523
1 16
V+ GND
C524
0.1uF 2 15
C1- DOUT1
3 14
C2+ RIN1
0.1uF C525
4 13
C2- ROUT1
5 12
V- DIN1
0.1uF C526
6 11
DOUT2 DIN2
7 10
RIN2 ROUT2
8 9
EAN41348201
+3.3V_MULTI
SPDIF OUT
R556
2.7K
OPT
R506
33
SPDIF_OUT
C530
C527
10pF 47pF
50V
P_+5V
P_+5V
DTV_ATV_SELECT
IC502
NLASB3157DFT2G
R567
E 470
EU
SELECT B1
6 1
B
EU
R572
SC_CVBS_OUT
Q503 18K
C
VCC GND
MMBT3906(NXP) EU
5 2
B EU
C
R558
330 A B0
B
EU 4 3
EU
C534
E Q505
10uF C536
R573
MMBT3904(NXP)
16V 0.1uF
10K
EU EU
EU 16V
R559
R566
220
180
EU
EU
0 R586
OPT
P_+17V
EU
C529
IC501 0.1uF
50V
AZ4580MTR-E1
25V
2.2K
1uF
OUT1 VCC
1 8 R570 C547
EU
EU EU
EU
R574 DTV/MNT_ROUT
33K IN1- OUT2
2 7
P_+17V
33pF
C532 R577
C533
33pF 22K IN1+ IN2-
3 6
33K
R575
VEE IN2+
P_+17V
4 5
EU
SC_ROUT
R578
22K
10
US
5
C
US
47K
B Q504
9
IR_TX
MMBT3904(NXP)
R563
4
E
8
100 R564
3
7
100
R565
2
6
D528 D529
+3.3V_ST 1
5.6V 5.6V
SPG09-DB-009
JK508
R562 R568
10K
10K
RS232_RXD
R579 0
MICOM_RX
RS232_TXD
0
R576
MICOM_TX
JK506
XRJV-01V-0-D12-080
1
1
2
2
3
3
JK505
4
4
2F01TC1-CLM97-4F
GND 5
1
5
6
6
VCC
2
C543 C535
0.1uF 0.1uF
7
16V 16V
7
VIN
3 OPT
8
4 8
D530
D531 D532
D533
5.5V 5.5V 5.5V
9 5.5V
9
LGE Internal Use Only
ATV_OUT