LG Electronics 32LD350-UA Flat Panel Television User Manual


 
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.
+5V_USB
C467
0.1uF
50V
R411
10K
OPT
C482
100pF
50V
OPT
C472
22uF
10V
R461
4.7K
1%
R456
10K
R452
10
1/10W
1%
+1.8V_DDR
R441 0
IC403
MP2212DN
3
IN
2
GND
4
BS
1
FB
5
VCC
6
SW_1
7
SW_2
8
EN/SYNC
POWER_ON/OFF1
POWER_ON/OFF1
L423
3.6uH
NR8040T3R6N
POWER_ON/OFF2_1
C439
100pF
50V
R416
33K
1%
R442
22K1%
L421
3.6uH
NR8040T3R6N
R444
24K 1%
R464
10K
C463
100pF
50V
L420
CIC21J501NE
R417
6.2K
1%
+5V_USB
+12V/+15V
C429
100pF
50V
OPT
+12V/+15V
C410
0.1uF
R460
27K
1%
C453
22uF
10V
C444
1uF
10V
L416
+3.5V_ST
L401
IC405
AOZ1073AIL
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
C423
100pF
50V
OPT
C430
22uF
10V
C424
0.1uF
16V
+1.26V_VDDC
C473
0.1uF
16V
C457
10uF
25V
+3.3V_Normal
C448
0.1uF
50V
R455 0
C461
22uF
10V
0.1uF
C456
R432
75K
1/8W
1%
C405
10uF
25V
C459
10uF
25V
L413
C465
1uF
10V
0.1uF
C476
R436
10
1/10W
1%
C428
0.1uF
16V
C464
2200pF
C414
1uF
50V
+3.5V_ST
R454
9.1K
L406
3.6uH
NR8040T3R6N
POWER_ON/OFF1
IC407
MP2212DN
3
IN
2
GND
4
BS
1
FB
5
VCC
6
SW_1
7
SW_2
8
EN/SYNC
R410
10K
R462
10K
1%
L415
3.6uH
NR8040T3R6N
IC401
MP8706EN-C247-LF-Z
3
SW_2
2
SW_1
4
BST
1
IN
5
EN/SYNC
6
FB
7
VCC
8
GND
R445
10K
OPT
C420
22uF
10V
C469
22uF
10V
L424
CIC21J501NE
C485
0.1uF
16V
R487
22
C478
0.1uF
50V
C479
2.2uF
19"~22"
50V
R469
0
26"~32"
2012
C481
0.1uF
50V
C480
0.01uF
50V
RL_ON
R476
0
1/10W
19"~22"
2012
+24V/+15V
+12V
R477
0
26"~32"
2012
R428
2.2K
19"~22"
AMP_VCCR468
22K
19"~22"
+12V/+15V
Q411
19"~22"
RT1C3904-T112
E
B
C
Q407
2SC3052
E
B
C
C436
0.01uF
25V
+5V_Normal
L412
12V_PANEL
Q406
2SC3052
E
B
C
R435
22K
R440
1.8K
12V_PANEL
R439-*1
22K
5V_PANEL
R440-*1
2.7K
5V_PANEL
PANEL_VCC
C455
0.1uF
16V
C451
1uF
25V
PANEL_CTL
1:AK10
C438
0.1uF
16V
R429
47K
L411
5V_PANEL
C442
10uF
16V
OPT
R439
10K
12V_PANEL
R431
22K
R430
10K
OPT
+12V/+15V
C443
4.7uF
16V
R450
14K
1%
PD_+3.5V
R448-*1
16K
PD_+15V
+12V/+15V
R446
30K
1%
PD_+24V
R480
100
OPT
IC408
NCP803SN293
1
GND
3
VCC
2
RESET
IC409
NL17SZ08DFT2G
OPT
3
2
4
1 5
R488
100K
+24V/+15V
POWER_DET
+3.5V_ST
R481
3K
R482
20K
+12V
R463
10K
OPT
R446-*1
24K
PD_+20V
R483
10K
C483
0.1uF
+3.5V_ST
+3.5V_ST
R447
5.1K
1/16W
5%
EXCEPT_PD_+3.5V
R448
12K
1%
PD_+12V
R423
0
1/4W
3216
R406
4.7K
R453 0
LGD_26"~32"
0
R472
AUO
OPC_OUT
P403
FW20020-24S
NORMAL_26~32
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/OLP
11
3.5V
6
GND
1
PWR_ON
20
A.DIM
15
GND
10
3.5V
5
GND
21
12V
22
P.DIM
23
GND
24
Err_OUT/NC
0
R471
NON_AUO_26"~32"
0
R420
LGD
Q401
2SC3052
E
B
C
L404
MLB-201209-0120P-N2
C407
0.1uF
16V
0
R437
AUO/SHARP
+24V/+15V
C419
1uF
25V
OPT
R418
6.8K
OPT
L407
MLB-201209-0120P-N2
C418
0.1uF
50V
C401
100uF
16V
P402
SMAW200-12
NORMAL_19~22
1+15V
2+15V‘
3GND
4GND
5+3.5V_ST
63.5V_ST
7GND
8OLP
9INV_EN
10PWM_DIM
11A_DIM
12NC
+3.3V_Normal
+3.5V_ST
+3.5V_ST
C426
68uF
35V
R421
10K
+3.5V_ST
C416
0.1uF
OPT
R401
10K
26"~32"
C404
0.1uF
16V
C402
100uF
16V
L402
MLB-201209-0120P-N2
R413
0
19"~22"
PWM_DIM
A_DIM
ERROR_OUT
C406
0.1uF
16V
C408
0.1uF
16V
R486
4.7K
0
R424
NON_OPC
Q402
RT1P141C-T112
1
2
3
RL_ON
Q405
2SC3052
E
B
C
0
R470
LGD_OPC
R426
10K
R427
10K
OPT
OLP
+12V
INV_CTL
+3.3V_Normal
+3.5V_ST
C400
0.1uF
16V
+3.3V_AVDD_MPLL
L400
BLM18PG121SN1D
L417
R459
10K
C477
0.1uF
16V
C471
22uF
10V
R465
51K
5%
C458
10uF
25V
+5V_Normal
R467
10K
1%
POWER_ON/OFF1
L422
3.6uH
NR8040T3R6N
+12V/+15V
C466
2200pF
C460
10uF
25V
R466
1.5K
1%
C427
100pF
50V
OPT
IC406
AOZ1073AIL
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
R419
1K
R412
1K
26"~32"
R9825
1K
Sharp
C403
0.1uF
16V
C411
0.1uF
16V
C9809
22uF
10V
C9810
22uF
10V
POWER_ON/OFF1
+3.3V_Normal
R407
10K
OPT
R408
10K
OPT
R457
15K
5%
R449
12K
1/10W
5%
R414
0
19"~22"
R409
0
19"~22"
R479
0
Q410
19"~22"
AO3407A
G
D
S
Q409
AO3407A
G
D
S
+3.3V_Normal
R434
10K
OPT
R451
22K
OPT
R473
22K
OPT
R438
10K
R443
47K
OPT
Q400
2SC3052
OPT
E
B
C
R405
0
19"~22"
R400
0
OPT
R402
100K
R415
100K
OPT
R422
120K
OPT
R425
120K
OPT
R403
33K
OPT
R404
33K
OPT
R433
33K
OPT
+3.3V_Normal
R474
10K
R475
10K
OPT
+3.3V_Normal
R458
9.1K
IC400
TJ3965S-3.3V-3L
GND
OUTIN
R2
R2
3A
Placed on SMD-TOP
Vout=0.8*(1+R1/R2)
3A
Placed on SMD-TOP
+5V_USB
C IN
1074 mA
S7M DDR 1.8V
3A
1934 mA
Vout=(1+R1/R2)*0.8
Placed on SMD-TOP
R2
Placed on SMD-TOP
R1
Replaced Part
R1
R1
R1
Close to IC
Vout=(1+R1/R2)*0.8
MAX 2000mA
2026 mA
Close to IC
C IN
Vout=0.8*(1+R1/R2)
Replaced Part
S7M core 1.26V volt
3A
+3.3V_Normal
R2
+15V Control
New item
PANEL_POWER
UNDER CHECKING
12V-->3.58V
20V-->3.5V
15V-->3.6V
Power_DET
ST_3.5V-->3.5V
24V-->3.48V
INV_ON
20
GND
18
A-DIM
PWM_DIM PWM_DIM
LGD
Err_out
AUO
PWM_DIM
<OS MODULE PIN MAP>
Err_out
24
INV_ON
22
INV_ON
Err_out
V4:VBR-A
V5:NC
A-DIM
PWM_DIM
FROM LIPS & POWER B/D
SHARP
NC
PIN No
INV_ON
CMO(09)
Power Block
LD350
09.09.03
2
+3.3V_AVDD_MPLL
Vout=0.8*(1+R1/R2)
Vout=0.8*(1+R1/R2)
MAX 1A
+5V_Normal
R2
R1
3A