Read LG 42LV3500-DG (CHASSIS:LT01M) Service Manual online
THERMAL
THERMAL
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.
+3.5V_ST
C451
0.1uF
OPT
C466
2200pF
+5V_TUNER
C491
0.1uF
50V
0.1uF
50V
+5V_TUNER
R404
100K
PD_+12V
R430
10K
10K
C404
0.1uF
16V
+12V/+15V
L415
3.6uH
NR8040T3R6N
Q409
AO3407A
G
D
S
PWM_DIM
Q407
2SC3052
2SC3052
E
B
C
R
4
4
1
5
6
K
1
/
1
6
W
1
%
C456
22uF
22uF
10V
+3.5V_ST
IC411
AP1117EG-13
+5V_TUNER
ADJ/GND
OUT
IN
R408
110
+5V_TUNER
C402
100uF
16V
OPT
560pF
C467
50V
R458
12K
+5V_TUNER
R427
10K
OPT
C419
10uF
10V
10V
+5V_TUNER
C436
0.01uF
25V
0.01uF
+12V/+15V
R403
1.5K
1%
POWER_+24V
C458
10uF
25V
10uF
25V
+5V_TUNER
IC403
TPS54319TRE
1
VIN_1
3
GND_1
7
COMP
9
SS/TR
10
PH_1
11
PH_2
12
PH_3
13
BOOT
14
PWRGD
15
EN
16
VIN_3
5
AGND
8
RT/CLK
6
VSENSE
4
GND_2
2
VIN_2
17
EP[GND]
L404
MLB-201209-0120P-N2
R419
1K
1K
C440
0.1uF
16V
0.1uF
16V
+3.3V_Normal
C489
100pF
Q405
2SC3052
E
B
C
C437
22uF
16V
22uF
16V
C477
0.1uF
16V
0.1uF
16V
+5V_TUNER
+3.3V_Normal
L413
R443
10K
10K
R421
10K
10K
C474
0.1uF
0.1uF
L401
C407
0.1uF
16V
16V
OPT
C453
22uF
22uF
10V
R476
0
POWER_23_GND
R407
2.2K
2.2K
OPT
C493
3300pF
50V
3300pF
50V
C405
10uF
25V
10uF
25V
R416
56K
56K
1%
R606
3.9K
PWM_PULL-DOWN_3.9K
C403
10uF
10V
10uF
10V
R440 5.6K
C415
10uF
10V
10V
+5V_TUNER
C472
22uF
10V
R486
4.7K
OPT
+24V
0
R484
POWER_20_PWM_DIM
R459
10K
+5V_TUNER
+1.5V_DDR
+5V_TUNER
POWER_DET
R412
0
POWER_16_GND
+5V_Normal
R465
24K
1%
+5V_TUNER
L402-*1
CIS21J121
R429
47K
47K
OPT
L412
+3.5V_ST
R410
10K
P401
SMAW200-H24S2
SMAW200-H24S2
SLIM_32~52
19
12V
14
GND
9
3.5V
4
24V
18
INV ON
13
GND
8
GND
3
24V
17
12V
12
3.5V
7
GND
2
24V
16
GND/V-sync
11
3.5V
6
GND
1
PWR ON
20
A.DIM
15
GND
10
3.5V
5
GND
21
12V
22
P.DIM1
23
GND/P.DIM2
24
Err OUT
25
R432
330K
1/16W
5%
INV_CTL
C438
0.1uF
16V
0.1uF
16V
C411
0.1uF
16V
0.1uF
16V
R422
1
5%
+5V_TUNER
Q403
RSR025P03
S
D
G
R415
100
100
POWER_18_INV_CTL
C406
0.1uF
16V
0.1uF
16V
C445
0.1uF
16V
0.1uF
16V
OPT
C425
0.1uF
16V
C423
4.7uF
16V
4.7uF
16V
OPT
C448
3300pF
50V
PANEL_CTL
1:AK10
IC407
AP7173-SPG-13 HF(DIODES)
3
VCC
2
PG
4
EN
1
IN
5
GND
6
SS
7
FB
8
OUT
9
[EP]
R475
0
POWER_24_GND
A_DIM
+3.5V_ST
C414
0.1uF
16V
0.1uF
16V
+5V_TUNER
+12V/+15V
Q400
2SC3052
2SC3052
E
B
C
R466
51K
1%
+5V_TUNER
+1.10V_VDDC
C420
22uF
16V
22uF
16V
100
R420
POWER_24_ERROR_OUT
R405
2.2K
2.2K
OPT
100
R437
POWER_20_ERROR_OUT
C443
10uF
10uF
25V
R480
100
100
PD_+12V
0
R471
POWER_22_PWM_DIM
R606-*1
1K
PWM_PULL-DOWN_1K
+12V/+15V
C442
10uF
16V
16V
OPT
R425
100
100
POWER_24_INV_CTL
R462
10K
L406
3.6uH
NR8040T3R6N
L402
MLB-201209-0120P-N2
+5V_USB
Q401
2SC3052
2SC3052
E
B
C
R445
2.2K
C471
22uF
16V
22uF
16V
+5V_TUNER
IC406
AOZ1072AI-3
+5V_TUNER
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
Q402
RT1P141C-T112
1
2
3
C492
22uF
16V
22uF
16V
OPT
+3.3V_Normal
C426
68uF
35V
35V
OPT
R424
1
5%
+5V_TUNER
C432
0.1uF
16V
0.1uF
16V
R463
10K
OPT
C416
0.1uF
0.1uF
16V
OPT
0
R472
POWER_24_PWM_DIM
C409
0.015uF
50V
0.015uF
50V
0.015uF
C444
0.1uF
16V
0.1uF
16V
C435
0.1uF
16V
16V
C447
0.1uF
16V
C494
1uF
10V
1uF
10V
C401
100uF
16V
OPT
R488
100K
100K
R401
10K
R409
330
+5V_TUNER
C460
10uF
25V
10uF
25V
+5V_TUNER
C476
0.1uF
16V
+5V_Normal
C431
0.1uF
16V
0.1uF
16V
C455
0.1uF
16V
0.1uF
16V
L407
MLB-201209-0120P-N2
C430
10uF
10V
10uF
10V
+3.3V_Normal
C490
0.1uF
16V
0.1uF
16V
+5V_TUNER
R439
33K
IC410
AP1117EG-13
+5V_TUNER
ADJ/GND
OUT
IN
R447
1.21K
1/10W
1%
PD_+12V
RL_ON
C417
0.1uF
16V
0.1uF
16V
+5V_TUNER
R473
1
P404
FM20020-24
NORMAL_32
19
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
20
15
10
5
21
22
23
24
25
R417
110
+5V_TUNER
R405-*1
3K
PANEL_DISCHARGE_RES
C408
0.1uF
16V
0.1uF
16V
OPT
C412
0.1uF
16V
0.1uF
16V
PD_+12V
R446
10K
OPT
R435
22K
OPT
PANEL_VCC
C422
0.1uF
50V
0.1uF
50V
+5V_TUNER
R482
8.2K
1%
POWER_+24V
C427
100pF
50V
OPT
C418
0.1uF
50V
R451
0
POWER_18_A_DIM
R407-*1
3K
PANEL_DISCHARGE_RES
C439
100pF
50V
+3.5V_ST
L417
+5V_TUNER
C475
0.1uF
16V
R411
330
+5V_TUNER
+3.5V_ST
R426
10K
10K
R402
100
100
R433
10K
10K
Q406
2SC3052
2SC3052
OPT
E
B
C
L422
3.6uH
NR8040T3R6N
+5V_TUNER
+2.5V_Normal
+3.3V_Normal
R428
10K
R438
22K
22K
P403
FW20020-24S
NORMAL_EXPEPT_32
19
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
20
15
10
5
21
22
23
24
L420
BLM18PG121SN1D
+3.3V_Normal
+3.5V_ST
R431
22K
OPT
10uF
C461
10V
ERROR_OUT
R461
10K
10K
OPT
R453
0
POWER_20_A_DIM
+3.5V_ST
+12V/+15V
R607
11K
11K
1%
L403
BLM18PG121SN1D
L425
BLM18PG121SN1D
NON_5V_TUNER
R418
6.8K
OPT
IC409
NCP803SN293
PD_+12V_PWR_DET_ON_SEMI
1
GND
3
VCC
2
RESET
+3.5V_ST
L407-*1
CIS21J121
C441
0.1uF
16V
L424
BLM18PG121SN1D
+5V_TUNER
R448
2.7K
1%
PD_+12V
+24V
L404-*1
CIS21J121
R467
10K
1%
+5V_TUNER
R485
0
POWER_22_A_DIM
R434
10K
POWER_ON/OFF_1
R450
0
5%
PD_+3.5V
R406
4.7K
4.7K
IC408
NCP803SN293
PWR_DET_ON_SEMI
1
GND
3
VCC
2
RESET
R423
12K
1%
R436
15K
15K
R
4
4
2
2
7
K
1
/
1
6
W
1
%
R457
4.3K
4.3K
1/16W
1%
1%
R
4
5
6
4
.
7
K
1
/
1
6
W
1
%
OLP
TP401
C488
3300pF
IC402
TJ3940S-2.5V-3L
1
GND
2
VOUT
3
VIN
C413
0.1uF
50V
R608
0
R400
0
0
OPT
FB_CORE
IC401
TPS54327DDAR
3
VREG5
2
VFB
4
SS
1
EN
5
GND
6
SW
7
VBST
8
VIN
9
[EP]GND
R489
10K
R490
10K
OPT
+3.3V_Normal
R180
10K
OPT
R181
1K
1K
OPT
20110324
GP3_S7LR
POWER_LARGE
4
#13 <--> #20
R1
NC
16
NC
PWM_DIM
18
4A
NC
(PSU)
GND
R2
GND
INV_ON
New item
VBR-A
GND
SHARP
Max 1000mA
Vout=0.8*(1+R1/R2)=1.5319
PWM_DIM
PWM_DIM
Err_out
+1.5V_DDR
PWM_DIM
24
Err_out
CMO10"LED
PWM_DIM
INV_ON
$ 0.165
Vd=550mV
12V -->3.58V --> 3.82V (3.68V)
23
INV_ON
GND
+5V_Normal
16
NC
INV_ON
LGD LPB/
GND
Err_out
IPS-@
+3.3V_Normal
--> NC
24
FROM LIPS & POWER B/D
PWM_DIM
R2
R1
780 mA
NC
GND
LGD(PSU)
2A
OS LPB
err_out
or LIPS
PANEL_POWER
Vout=(1+R1/R2)*0.765=5.03V
+3.5V_ST -> 3.375V
R1
(PSU)
err_out
2000 mA
32LE5300-TA
60:PWM
32LE5300-TA
INV_ON
PWM_DIM
INV_ON
1.5A
NC
<LED MODULE PIN MAP -> latest update 20100618>
22
LGD 10"LED
INV <--> MAIN
60:NC
S7LR core 1.2V volt
NC
(PSU)
GND
R2
(PSU)
MAX 1A
#11 <--> #24
52/60:ERROR
300 mA
Vout=0.827*(1+R1/R2)=1.225V
GND
NC
GND
INV_ON
(PSU)
24V-->3.78V --> 3.92V (3.79V)
ST_3.5V--> 3.375V --> 3.46V
NC
AUO 10"LED
NC
<MODULE PIN MAP>
--> NC
+2.5V/+1.8V
#12 <--> #18
18
INV_ON
32LE4500-TA
C421,C422 Close to LDO
PIN No
Power_DET
NC
#14 <--> #22
A-DIM
(PSU)
26/32HD:NC
NC
20
GND
NC
PWM_DIM
(PSU)
+5V_USB
LGD edge led error-out use or not? checking is necessary...
R1
NC
3A
18.5V-->3.5V --> 3.75V (3.59V)
err_out
20
22
--> NC
AUO 10"Lamp
PIN No
--> NC
err_out
26/32/52:PWM
23
<Module Inv to Main Pin Connection>
CMO10"Lamp
NC
R2
26/32/52:GND
INV_ON
Vout=0.8*(1+R1/R2)
20V-->3.51V --> 3.76V (3.59V)
Not used :
only for small(ready)
only for small(ready)
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