LG 42LD460B/H Service Manual page 20

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FROM LIPS & POWER B/D
+3.5V_ST
RT1P141C-T112
Q402
R406
1
3
4.7K
NORMAL_EXPEPT_32
R401
C
P403
2
RL_ON
10K
FW20020-24S
B
Q401
2SC3052
E
PWR ON
1
1
1
2
2
2
24V
3
3
3
4
4
4
GND
+3.5V_ST
5
5
5
6
6
6
L404
GND
MLB-201209-0120P-N2
7
7
7
8
8
8
3.5V
9
9
9
10
10
10
3.5V
11
11
11
12
12
12
C401
C406
C408
GND
13
13
13
14
14
14
100uF
0 . 1 u F
0 . 1 u F
16V
GND
16V
16V
15
15
15
16
16
16
Non_Commercial
12V
17
17
17
18
18
18
12V
19
19
19
20
20
20
+12V/+15V
12V
21
21
21
22
22
22
L402
GND/P.DIM2
23
23
23
24
24
24
MLB-201209-0120P-N2
C404
C407
C402
25
25
0 . 1 u F
0 . 1 u F
100uF
16V
16V
16V
Non_Commercial
SLIM_32~52
P401
SMAW200-H24S2
C401-*1
C402-*1
100uF
100uF
16V
16V
Commercial
Commercial
2 0 0 0 h r s i t e m f o r C o m m e r c i a l m o d e l
1 0 0 0 h r s i t e m f o r N o n c o m m e r c i a l m o d e l
<OS MODULE PIN MAP>
LGD(PSU)
IPS-@
CMO
AUO
SHARP
PIN No
o r L I P S
(PSU)
(PSU)
(PSU)
(PSU)
INV_ON
A-DIM
18
INV_ON
INV_ON
INV_ON
52/60:ERROR
20
VBR-A
E r r _ o u t
NC
E r r _ o u t
26/32HD:NC
26/32/52:PWM
NC
22
PWM_DIM
PWM_DIM
NC
60:NC
26/32/52:GND
E r r _ o u t
INV_ON
PWM_DIM
PWM_DIM
24
60:PWM
GND
GND
23
GND
GND
GND
OLP
+5V_USB
+12V/+15V
IC401
MP8706EN-C247-LF-Z
IN
GND
1
8
SW_1
VCC
2
7
C405
3A
10uF
SW_2
FB
25V
3
6
C410
0 . 1 u F
BST
EN/SYNC
4
5
R487
22
L406
3.6uH
NR8040T3R6N
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.
+12V/+15V
NORMAL_32
P404
+24V
FM20020-24
L407
24V
MLB-201209-0120P-N2
24V
GND
C418
C426
GND
0 . 1 u F
68uF
3.5V
50V
35V
3.5V
POWER_16_V_SYNC
PANEL_CTL
GND
R477
0
1:AK10
GND/V-sync
V_SYNC
INV ON
A.DIM
+3.3V_Normal
P.DIM1
Err OUT
+3.5V_ST
R419
1K
POWER_18_INV_CTL
R415
100
R426
OPT
10K
R425
100
C
R418
R421
POWER_24_INV_CTL
10K
INV_CTL
B
6.8K
OPT
Q405
E
2SC3052
R427
10K
POWER_18_A_DIM
OPT
0
R451
POWER_22_A_DIM
R485
0
A_DIM
POWER_20_A_DIM
0
R453
POWER_20_PWM_DIM
POWER_24_PWM_DIM
R484
PWM_DIM
R479
0
R472
0
0
C419-*1
3.9K
R471
0
POWER_22_PWM_DIM
PWM_PULL-DOWN
OPT
OPT
C416
C419
SCAN_BLK1/OPC_OUT
R422
0
0 . 1 u F
1uF
POWER_22_SCAN_BLK1/OPC_OUT
16V
25V
OPT
OPC_OUT
R470
0
Placed on SMD-TOP
+3.3V_Normal
POWER_20_ERROR_OUT
R437
100
C461
C IN
22uF
POWER_24_ERROR_OUT
ERROR_OUT
10V
R420
100
C461-*1
10uF
16V
EU
+5V_USB
MAX 2000mA
OPT
C414
C482
1uF
OPT
100pF
50V
50V
C429
C420
C424
C428
100pF
R410
R1
22uF
0 . 1 u F
0 . 1 u F
50V
10K
16V
16V
16V
NON_EU
POWER_ON/OFF2_1
R411
Placed on SMD-TOP
10K
R2
C420-*1
C430
C IN
22uF
22uF
10V
16V
+5V_USB
EU
Vout=(1+R1/R2)*0.8
PANEL_POWER
C442
C438
10uF
C436
0 . 1 u F
New item
0 . 0 1 u F
16V
16V
25V
OPT
Q409
AO3407A
C443
4 . 7 u F
G
16V
R431
C451
22K
1uF
25V
OPT
OPT
C
R430
10K
B
Q407
2SC3052
C
E
R429
R435
47K
B
Q406
22K
2SC3052
E
S7M DDR 1.5V
+3.5V_ST
CIC21J501NE
L420
R e p l a c e d P a r t
R1
R457
10K
1%
IC407
MP2212DN
C l o s e t o I C
10K
FB
EN/SYNC
R464
1
8
R449
11K
L423
R2
1/10W
3.6uH
GND
SW_2
5%
2
3A
7
NR8040T3R6N
IN
SW_1
3
6
BS
VCC
4
5
C467
0 . 1 u F
NON_EU
50V
R455
0
R452
10
C465
1/10W
1uF
1%
10V
+2.5V/+1.8V
+3.3V_Normal
IC402
+2.5V_Normal
AZ2940D-2.5TRE1
VIN
VOUT
1
3
Vd=550mV
2
GND
C432
0 . 1 u F
16V
C403
C440
10uF
0 . 1 u F
10V
16V
S 7 M c o r e 1 . 2 6 V v o l t
+3.5V_ST
L413
R e p l a c e d P a r t
V o u t = 0 . 8 * ( 1 + R 1 / R 2 )
R1
R442
R444
22K 1%
24K 1%
IC403
MP2212DN
C l o s e t o I C
10K
FB
EN/SYNC
R445
1
8
R432
75K
L415
R2
1/8W
3.6uH
GND
SW_2
1%
2
3A
7
NR8040T3R6N
IN
SW_1
3
6
BS
VCC
C448
4
5
0 . 1 u F
50V
NON_FRC
R441
0
R436
10
C444
1/10W
1uF
1%
10V
S T _ 3 . 5 V - - > 3 . 3 7 5 V
20V-->3.51V
+24V
+12V/+15V
24V-->3.64V
12V-->3.58V
1 8 . 5 V - - > 3 . 5 V
PANEL_VCC
+24V
POWER_+24V
POWER_+20V
R407
R405
C455
2.2K
2.2K
0 . 1 u F
16V
POWER_+24V
PANEL_DISCHARGE_RES
POWER_+20V
PANEL_DISCHARGE_RES
+3.3V_Normal
1074 mA
+12V/+15V
V o u t = 0 . 8 * ( 1 + R 1 / R 2 )
PGND
+1.5V_DDR
VIN
AGND
C457
C459
10uF
10uF
FB
25V
25V
POWER_ON/OFF1
C472
C476
22uF
0 . 1 u F
10V
Vout=(1+R1/R2)*0.8
NON_EU
Placed on SMD-TOP
C472-*1
10uF
16V
EU
+12V/+15V
300 mA
C458
C460
10uF
10uF
25V
25V
Vout=0.8*(1+R1/R2)
+1.5V_DDR
Q408
AO3438
FRC
OPT
C435
4 . 7 u F
10V
POWER_ON/OFF2_1
2026 mA
+1.26V_VDDC
POWER_ON/OFF2_1
IC403-*1
MP2212DN(Marking)
FB
EN/SYNC
1
8
C411
C409
C453
C456
C486
330uF
22uF
22uF
0 . 1 u F
0 . 1 u F
4V
10V
GND
SW_2
10V
OPT
2
7
OPT
Placed on SMD-TOP
IN
SW_1
3
6
BS
VCC
4
5
FRC
+ 3 . 5 V _ S T - > 3 . 3 7 5 V
+3.5V_ST
+3.5V_ST
R488
100K
IC408
NCP803SN293
R402
POWER_DET
100
VCC
RESET
3
2
1
R447-*2
C474
GND
0 . 1 u F
0 . 1 u F
16V
PD_+3.5V_0.1UF
R404
PD_+12V
100K
IC409
NCP803SN293
PD_+12V
POWER_+18.5V
R480
100
VCC
RESET
3
2
1
GND
PD_+12V
POWER_+18.5V
Power_DET
Only for 32/37LED MODEL
+3.3V_Normal
IC405
1934 mA
AOZ1073AIL
L424
L421
CIC21J501NE
3.6uH
LX_2
1
8
NR8040T3R6N
LX_1
2
7
3A
POWER_ON/OFF2_2
EN
C469
C473
3
6
R1
22uF
0 . 1 u F
R456
16V
16V
10K
COMP
NON_EU
4
5
OPT
9.1K
C423
E x t i n c t
2200pF
R454
100pF
C464
50V
C469-*1
C469-*2
10uF
22uF
16V
16V
R2
EU
BRAZIL
+5V_Normal
MAX 1A
+5V_Normal
IC406
AOZ1072AI
L422
3.6uH
PGND
LX_2
1
8
NR8040T3R6N
VIN
LX_1
2
7
2A
POWER_ON/OFF2_2
AGND
EN
C471
3
6
R1
22uF
R459
16V
10K
FB
COMP
NON_EU
4
5
OPT
12K
C427
E x t i n c t
2200pF
R458
100pF
C466
C471-*2
50V
C471-*1
22uF
10uF
16V
16V
EU
BRAZIL
R2
+1.5V_FRC_DDR
+1.5V_DDR_FRC
IC403-*2
IC405-*1
IC406-*1
MP2212DN-C358
AOZ1073AIL-3
AOZ1072AI-3
FB
EN/SYNC
PGND
LX_2
PGND
1
8
1
8
1
GND
SW_2
VIN
LX_1
VIN
2
7
2
7
2
IN
SW_1
AGND
EN
AGND
3
6
3
6
3
BS
VCC
FB
COMP
FB
4
5
4
5
4
REVISION
REVISION
REVISION_FRC
GP2_Saturn7M
V e r . 1 . 2
4
POWER
C485
0 . 1 u F
16V
C477
0 . 1 u F
16V
LX_2
8
LX_1
7
EN
6
COMP
5

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