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FROM LIPS & POWER B/D
+3.5V_ST
MMBT3906(NXP)
Q402
1
3
R409
+3.5V_ST
10K
2
R406
4.7K
R461
10K
C
OPT
R401
10K
B
Q401
RL_ON
MMBT3904(NXP)
R462
E
10K
P401
SMAW200-H18S1
D401
5V OPT
SS
CIC21J501NE
SS
PWR ON
1
2
L408
L404
3.5V
+3.5V_ST
3
4
3.5V
C406
0 . 1 u F
5
6
CIC21J501NE
GND
16V
7
8
L407
24V
+24V
9
10
GND
C418
0 . 1 u F
MLB-201209-0120P-N2
11
12
12V
50V
13
14
L402
12V
+12V
15
16
GND
C404
0 . 1 u F
17
18
MLB-201209-0120P-N2
16V
19
L408-*1
L404-*1
500-ohm
500-ohm
SAMWHA
SAMWHA
+5V_Normal
Vout=0.8*(1+R1/R2)
&
L406
+5V_USB
3.6uH
C413
C420
0 . 0 4 7 u F
22uF
25V
16V
R491
0
+12V
CHANGE TO
16V/X5R
L401-*1
500-ohm
L401
CIC21J501NE
SAMWHA
SS
C405
PGND
10uF
16V
IC401
VIN
TPS65281RGV
C419
4 . 7 u F 10V
R410
100K
V7V
EN
[ E P ]
R413
R411
20K
C426
2K
100pF
50V
C410
DELETE
3300pF
50V
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.
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
PANEL_POWER
+12V
L412
SS
L412-*1
500-ohm
SAMWHA
+3.3V_Normal
+3.5V_ST
R419
1K
R426
10K
C
R421
INV_CTL
B
10K
PANEL_CTL
Q405
E
MMBT3904(NXP)
R489
10K
DRV ON
PDIM#1
PWM_DIM
PDIM#2
R408
100
PWM1
+1.5V_DDR
GND
PWM2_2CH_POWER
24V
GND
12V
N.C
+3.5V_ST
GND
L420
BLM18PG121SN1D
+3.3V_Normal
C461
10uF
10V
+5V_Normal
R1
R452
C421
33K
22uF
1%
C422
C424
16V
330pF
0 . 1 u F
R453
OPT
50V
27K
16V
DELETE
1%
R2
R454
+2.5V/+1.8V
11K 1%
+5V_USB
C417
CAP_10uF_X5R
10uF
CHANGE TO
10V
10UF/10V/X5R
85C
+3.3V_Normal
SW_OUT
+5V_Normal
+3.3V_Normal
AGND
R417
R412
4.7K
10K
DELETE
USB1_OCD
FAULT
USB1_CTL
EN_SW
C417-*1
10uF 10V
CAP_10uF_X7R
R405-*1
3K
3K_PANEL_DISCHARGE
R407-*1
3K
3K_PANEL_DISCHARGE
0 . 0 1 5 u F
0 . 0 1 u F
C409
C438
C442
0 . 0 1 5 u F
C436
0 . 1 u F
10uF
New item
0 . 0 1 u F
50V
16V
16V
50V
DELETE
Q409
AO3407A
C443
R439
10uF
33K
G
25V
C451
R440
0 . 1 u F
C455
R431
5.6K
DELETE
0 . 1 u F
22K
16V
DELETE
C
R430
10K
B
Q407
MMBT3904(NXP)
C
R429
DELETE
E
47K
B
Q406
R435
22K
DELETE
DELETE
E
MMBT3904(NXP)
Max 1000mA
IC407
AP7173-SPG-13 HF(DIODES)
+1.5V_DDR
[ E P ]
IN
OUT
1
8
R457
PG
FB
C472
4.3K
2
7
22uF
1%
R1
10V
VCC
SS
3
6
R433
1.5A
R456
10K
EN
GND
4
5
4.7K
1%
C475
R2
0 . 1 u F
16V
V o u t = 0 . 8 * ( 1 + R 1 / R 2 ) = 1 . 5 3 1 9
300 mA
+2.5V_Normal
IC402
TJ3940S-2.5V-3L
VIN
VOUT
3
2
Vd=550mV
C432
1
R473
0 . 1 u F
GND
1
16V
C403
C440
D402
5V
10uF
0 . 1 u F
10V
16V
OPT
Power_DET
R405-*2
5.1K
5.1K_PANEL_DISCHARGE
R407-*2
+12V
5.1K
5.1K_PANEL_DISCHARGE
PD_+3.5V
PD_+12V
R450
R448
0
2.7K
1%
5%
PANEL_VCC
PD_+12V
C411
R447
0 . 1 u F
1.21K
16V
1%
DELETE
R405
R407
2.2K
2.2K
+24V
DELETE
PD_+24V_PWR_DET_DIODES
PD_+24V
R482
8.2K
1%
VCC
C412
0 . 1 u F
16V
PD_+24V
+3.3V_Normal
+3.5V_ST
C476
D403
C435
0 . 1 u F
5V
0 . 1 u F
OPT
R434
16V
16V
10K
R443
10K
POWER_ON/OFF_1
DELETE
R490
10K
S 7 L R c o r e 1 . 2 V v o l t
L413-*1
500-ohm
+3.3V_Normal
10K
R428
SAMWHA
+3.5V_ST
L413
SS
VIN_2
2
17
C430
C431
10uF
0 . 1 u F
10V
16V
GND_2
4
4A
Vout=0.827*(1+R1/R2)=1.225V
2013 S7LR2
S T _ 3 . 5 V - - > 3 . 3 7 5 V - - > 3 . 4 6 V
2 4 V - - > 3 . 7 8 V - - > 3 . 9 2 V ( 3 . 7 9 V )
1 2 V - - > 3 . 5 8 V - - > 3 . 8 2 V ( 3 . 6 8 V )
RESET_IC_SOC_RESET
+ 3 . 5 V _ S T - > 3 . 3 7 5 V
R402-*1
+3.5V_ST
300
R488
100K
RESET_IC_SOC_RESET
R463
IC408
10K
APX803D29
3.5V_SOC_RESET
R402
100
VCC
RESET
3
2
POWER_DET
C474
1
0 . 1 u F
GND
POWER_DET_DIODES
POWER_DET_RESET
R404
100K
PD_+24V
POWER_DET_ON_SEMI
IC408-*1
NCP803SN293
IC409
VCC
3
2
RESET
APX803D29
PD_+24V
1
GND
R480
100
PD_+24V_PWR_DET_ON_SEMI
RESET
3
2
IC409-*1
1
NCP803SN293
GND
VCC
RESET
3
2
1
GND
780 mA
FET_AOS
+3.3V_Normal
Q403
L403
AO3407A
BLM18PG121SN1D
C445
C437
C423
D405
C425
0 . 1 u F
22uF
R438
G
4 . 7 u F
5V
16V
10V
22K
0 . 1 u F
16V
OPT
16V
DELETE
FET_AOS
FET_2.5V
R445
100
C423-*1
FET_AOS
2 . 2 u F
C
10V
FET_2.5V_DIODE
FET_2.5V_AOS
AO3435
DMP2130L
B
Q400
FET_2.5V
Q403-*2
Q403-*1
MMBT3904(NXP)
R445-*1
2.2K
E
C447
0 . 1 u F
16V
C441
0 . 1 u F
+1.10V_VDDC
16V
L415
3.6uH
PH_3
12
NR8040T3R6N
PH_2
11
C444
D404
R414
C453
0 . 1 u F
5V
PH_1
0
10
22uF
16V
OPT
10V
C488
SS/TR
9
3300pF
50V
100pF
C439
R1
R442
R432
27K
1/16W 330K 5%
1%
C448
R436
15K
3300pF
50V
R2
$ 0 . 1 6 5
2 0 1 2 . 1 1 . 1 2
POWER
4
LGE Internal Use Only
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