LG 47LV470S (CHASSIS:LD12B) Service Manual ▷ View 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.
Q4508
2SC3052
2SC3052
OPT
E
B
C
TP4501
D4502
5.5V
C4519
33pF
R4508
75
1%
75
1%
SC_DET/COMP2_DET
C4514
560pF
50V
560pF
50V
R4528
2K
2K
2SC3052
Q4503
R4504
5.6K
SC_B/COMP2_Pb
C4532
180pF
50V
OPT
C4510
10uF
16V
SCART1_Lout_P
R4513
10K
DTV/MNT_R_OUT
L4504
BLM18PG121SN1D
R4516
33K
SCART1_Lout_N
SCART_MUTE
DTV/MNT_V_OUT
SC/COMP2_R_IN
IC4502
NLASB3157DFT2G
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
C4528
0.1uF
16V
R4515
1K
R4538
10K
10K
OPT
L
4
5
0
1
B
L
M
1
8
P
G
1
2
1
S
N
1
D
R4507
75
1%
1%
REC_8
+12V
C4513
100uF
16V
100uF
16V
+3.5V_ST
C4505
560pF
50V
560pF
50V
R4517
33K
R4502
5.6K
R4519
10K
INCM_VID_SC
R4503
5.6K
SC_RE1
C4523
47uF
16V
47uF
16V
SC_G/COMP2_Y
R4511
75
1%
D4512
30V
OPT
SC_R/COMP2_Pr
SCART1_Rout_N
R4529
2K
D4509
5.6V
OPT
R4526
47K
47K
+12V
L4505
BLM18PG121SN1D
D4504
5.5V
SCART1_Rout_P
R4531
10K
C4507
47pF
50V
47pF
50V
D4505
5.5V
DTV/MNT_R_OUT
C4531
180pF
50V
OPT
R4510
470K
470K
C4501
0.1uF
50V
R4536
1K
OPT
C4520
33pF
DTV/MNT_L_OUT
SC/COMP2_L_IN
DTV/MNT_L_OUT
Q4502
2SC3052
2SC3052
E
B
C
REC_8
Q4501
MMBT3906(NXP)
E
B
C
SC_CVBS_IN
C4515
560pF
50V
560pF
50V
DTV_ATV_SELECT
SC_ID
Q4505
RT1P141C-T112
1
2
3
D4506
30V
OPT
ATV_OUT
Q4506
2SC3052
2SC3052
OPT
E
B
C
R4537
1K
OPT
R4505
75
75
1%
R4514
1K
1K
D4503
5.5V
R4535
4.7K
OPT
C4508
10uF
16V
10uF
16V
C4526
0.1uF
0.1uF
50V
Q4507
2SC3052
2SC3052
OPT
E
B
C
D4501
5.5V
D4511
5.6V
R4532
36
C4506
560pF
50V
560pF
50V
2SC3052
Q4504
+12V
C4521
4700pF
4700pF
C4511
6800pF
50V
C4518
0.1uF
L4506
C4517
1000pF
50V
D4508
5.6V
OPT
R4520
390
390
R4523
180
R4501
5.6K
R4509
470K
JK4501
PSC008-01
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
22
AV_DET
D4507
5.6V
OPT
IC4501
LM324D
LM324D
3
IN1+
2
IN1-
4
VCC
1
OUT1
6
IN2-
5
IN2+
7
OUT2
8
OUT3
9
IN3-
10
IN3+
11
VEE/GND
12
IN4+
13
IN4-
14
OUT4
R4533
75
1%
1%
+3.3V_Normal
DTV/MNT_R_OUT
R4521
390
390
R4541
12K
12K
OPT
R4506
75
1%
SC_RE2
R4518
10K
10K
C4525
0.1uF
0.1uF
50V
R4527
15K
15K
C4512
6800pF
50V
C4522
4700pF
4700pF
DTV/MNT_L_OUT
+5V_Normal
D4510
5.6V
OPT
R4524
470
R4530
10K
R4525
1K
C4524
1uF
10V
1uF
10V
C4516
1000pF
50V
50V
D4513
30V
BAT54_SUZHO
OPT
R4534
10K
10K
R4545
10K
R4547
10K
R4546
1K
1K
Q4509
2SC3052
2SC3052
E
B
C
+3.3V_Normal
SC_FB
+3.3V_Normal
Q4510
2SC3052
2SC3052
E
B
C
C4535
27pF
50V
L4509
CM2012FR27KT
C4537
27pF
50V
C4533
27pF
50V
L4510
CM2012FR27KT
C4536
27pF
50V
L4508
CM2012FR27KT
C4534
27pF
50V
C4538
27pF
50V
R4548
1K
R4549
0
R4550
10
10
C4539
100pF
50V
100pF
50V
R4522
9.1K
9.1K
C4540
1uF
C4541
1uF
R4551
22
R4552
22
R4512
75
1%
R4553
0
0
1/10W
5%
5%
CLOSE TO SOC
Selece = High ==> A = B1
[SCART AUDIO MUTE]
1ST : EBK61012701, 2ND : EBK58172301
CLOSE TO soc
Full Scart
CLOSE TO JACK
Q4502,Q4503
Q4504,Q4506
Q4507,Q4508
Q4504,Q4506
Q4507,Q4508
DUAL COMPONENT
Rf
D4513
[SCART PIN 8]
1ST : 0TRIH80004A, 2ND : EBK61012501, 3RD : 0TR102009AM
Gain=1+Rf/Rg
1ST : T-BAT54_SUZHO, 2ND : 0DSON00138A
Selece = Low ==> A = B0
Q4501
Rg
Q4505
1ST : 0TRIY80001A 2ND : 0TR387500AA
AUD_OUT >> EU/CHINA_HOTEL_OPT
CLOSE TO SOC
CLOSE TO SOC
BCM35230
LV7 EU SCART
45
50
FOR EMI
CLOSE TO JUNCTION
THERMAL
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.
D4604
100V
1N4148W
OPT
Q4601
2SC3052
E
B
C
C4624
0.01uF
50V
0.01uF
50V
OPT
0.1uF
C4620
50V
SPK_L-
AUD_LRCK
C4616
22000pF
50V
L4601
MLB-201209-0120P-N2
R4614
12
C4615
1000pF
50V
0.1uF
C4619
50V
SPK_L-
C4612
0.1uF
16V
0.1uF
C4601
50V
C4610
10uF
10V
OPT
R4618
4.7K
R4615
12
C4611
10uF
10uF
10V
OPT
R4606
100
SPK_R-
C4623
10uF
35V
R4609
12
+24V
R4619
4.7K
C4604
1000pF
50V
C4622
10uF
35V
10uF
35V
SPK_R+
C4603
100pF
50V
+3.3V_Normal
C4634
0.47uF
50V
AUD_SCK
R4602
10K
R4607
3.3
3.3
OPT
C4609
33pF
50V
33pF
50V
SPK_R-
P4601
WAFER-ANGLE
1
2
3
4
0.1uF
C4637
50V
SPK_R+
+24V_AMP
R4613
12
0.1uF
C4639
50V
R4610
12
C4633
1uF
25V
1uF
25V
C4632
390pF
50V
R4611
12
+24V_AMP
D4601
100V
1N4148W
OPT
0.1uF
C4602
50V
SDA3_3.3V
C4630
390pF
50V
AUD_MASTER_CLK
0.1uF
C4618
50V
SPK_L+
C4625
22000pF
50V
22000pF
50V
C4631
390pF
50V
R4612
12
AMP_MUTE
0.1uF
C4608
16V
R4605
3.3K
0.1uF
C4621
50V
D4602
100V
1N4148W
OPT
L4602
BLM18PG121SN1D
C4605
1000pF
50V
C4626
22000pF
50V
22000pF
50V
R4604
100
0.1uF
C4614
16V
C4627
1uF
25V
1uF
25V
SCL3_3.3V
+24V_AMP
0.1uF
C4638
50V
C4629
390pF
50V
AUD_LRCH
R4601
10K
C4628
1uF
25V
25V
SPK_L+
C4617
22000pF
50V
AMP_RESET_N
R4608
12
D4603
100V
1N4148W
OPT
+3.5V_ST
0.1uF
C4636
50V
0.1uF
C4613
16V
C4606
10uF
10V
OPT
C4607
33pF
50V
33pF
50V
C4635
0.47uF
50V
R4616
4.7K
R4603
100
R4617
4.7K
L4605
10.0uH
10.0uH
L4606
10.0uH
10.0uH
L4603
10.0uH
10.0uH
L4604
10.0uH
10.0uH
IC4601
NTP-7400L
1
AGND_PLL
2
AVDD_PLL
3
DVDD_PLL
4
LF
5
DGND_PLL
6
GND_1
7
DGND
8
DVDD
9
SDATA
10
WCK
11
BCK
12
SDA
13
SCL
14
/FAULT
15
MONITOR0
16
MONITOR1
17
MONITOR2
18
BST2B
19
PGND2B
20
OUT2B_1
21
OUT2B_2
22
PVDD2_1
23
PVDD2_2
24
PVDD2_3
25
OUT2A_1
26
OUT2A_2
27
PGND2A
28
BST2A
29
VDR2
30
GND_2
31
VCC_5
32
VDR1
33
BST1B
34
PGND1B
35
OUT1B_1
36
OUT1B_2
37
PVDD1_1
38
PVDD1_2
39
PVDD1_3
40
OUT1A_1
41
OUT1A_2
42
PGND1A
43
BST1A
44
/RESET
45
AD
46
GND_IO
47
CLK_I
48
VDD_IO
49
[EP]
C4640
10uF
10V
10uF
10V
SPEAKER_L
1ST : 0TRIY80001A 2ND : 0TR387500AA
SPEAKER_R
Q4601
DUAL COMPONENT
BCM35230
LV7 EU AMP
46
50
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.
R4702
10K
1%
S/T_SDA
R4707
1.5K
C4701
0.1uF
D4707
5.6V
CDS3C05HDMI1
EEPROM_SDA
C4702
0.1uF
16V
OPT
R4708
1.5K
D4702
5.6V
AMOTECH
+3.5V_ST
D4701
5.6V
AMOTECH
+3.5V_ST
C4704
0.1uF
16V
OPT
D4704
5.6V
CDS3C05HDMI1
L4701
BLM18PG121SN1D
KEY2
LED_B/LG_LOGO
C4705
1000pF
50V
L4702
BLM18PG121SN1D
R4706
100
100
C4708
100pF
100pF
50V
P4702
12507WR-12L
IR_12PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
R4705
100
100
D4705
5.6V
AMOTECH
P4701
12507WR-15L
IR_15PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
16
15
D4703
5.6V
CDS3C05HDMI1
S/T_SCL
R4701
10K
1%
R4704
100
100
R4703
100
100
D4706
5.6V
CDS3C05HDMI1
LED_R/BUZZ
KEY1
EEPROM_SCL
+3.3V_Normal
R4710
100
100
R4711
100
100
C4703
0.1uF
IR
R4722
47K
COMMERCIAL
R4716
47K
COMMERCIAL
R4718
0
0
OPT
+3.5V_ST
+3.5V_ST
Q4701
2SC3052
COMMERCIAL
E
B
C
R4720
10K
COMMERCIAL_EU
Q4703
2SC3052
COMMERCIAL_EU
E
B
C
IR_OUT
R4713
10K
COMMERCIAL
Q4704
2SC3052
COMMERCIAL
E
B
C
R4714
47K
COMMERCIAL
+3.5V_ST
Q4702
2SC3052
COMMERCIAL
E
B
C
R4709
0
0
R4721
47K
COMMERCIAL
R4719
47K
COMMERCIAL
R4715
22
COMMERCIAL
+3.5V_ST
+3.5V_ST
R4717
3.3K
OPT
R4712
47K
COMMERCIAL
C4709
0.1uF
16V
0.1uF
16V
OPT
C4710
0.1uF
16V
0.1uF
16V
OPT
1ST : EAH42720601, 2ND : EAH60994401
D4703,D4704
D4705,D4706
D4705,D4706
DUAL COMPONENT
IR & KEY
BCM35230
LV7 EU IR
47
50
COMMERCIAL
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.
AV2_CVBS_DET
3D_GPIO_1
WIRELESS_DET
DD_MREMOTE
3D_GPIO_0
3D_GPIO_2
M_REMOTE_RX
WIFI_DP
AV2_CVBS_IN
/RST_HUB
SIDE_USB_CTL2
M_RFModule_RESET
WIFI_DM
M_REMOTE_TX
SIDE_USB_OCD2
WIRELESS_PWR_EN
5V_HDMI_4
DC_MREMOTE
3D_SYNC
L_VS
BCM35230
LV7 EU
48
50
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