Read LG 32LW470S (CHASSIS:LD12P) 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.
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
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
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