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.

POWER_LARGE

2012/01/13

4

GP4L_S7LR2
RL_ON
R462
10K
C439
100pF
50V
C416
0.1uF
16V
OPT
+3.5V_ST
R426
10K
C443
10uF
25V
L407-*1
MLB-201209-0120P-N2
R430
10K
+3.3V_Normal
+3.5V_ST
+24V
C453
22uF
10V
C437
22uF
16V
ERROR_OUT
C403
10uF
10V
R434
10K
IC407
AP7173-SPG-13 HF(DIODES)
3
VCC
2
PG
4
EN
1
IN
5GND
6SS
7FB
8OUT
9
[EP]
C444
0.1uF
16V
R429
47K
OPT
R486
4.7K
OPT
IC408
NCP803SN293
PWR_DET_ON_SEMI
1
GND
3
VCC 2RESET
+3.5V_ST POWER_DET
C408
0.1uF
16V
OPT
POWER_ON/OFF_1
+3.5V_ST
R432
330K1/16W 5%
PANEL_VCC
R428
10K
IC409
NCP803SN293
PD_+24V_PWR_DET_ON_SEMI
1
GND
3
VCC 2RESET
OLP
C441
0.1uF
16V
+3.3V_Normal
L404-*1
MLB-201209-0120P-N2
R480
100
PD_+24V
R442
27K
1/16W
1%
10uF
C461
10V
L407
CIS21J121
+1.10V_VDDC
L413
C435
0.1uF
16V
NON_CI_CAP
+3.5V_ST
+12V/+15V
R461
10K OPT
+1.5V_DDR
L404
CIS21J121
+12V/+15V
+3.5V_ST
C425
0.1uF
16V
+3.3V_Normal
C407
0.1uF
16V
OPT
C476
0.1uF
16V
R404
100K
PD_+24V
R439
33K
R419
1K
L420
BLM18PG121SN1D
C418
0.1uF
50V
C456
22uF
10V
PANEL_CTL
1:AK10
C430
10uF
10V R181
1K
OPT
560pF
C467
50V
L402-*1
MLB-201209-0120P-N2
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
C431
0.1uF
16V
NON_CI_CAP
R421
10K
C406
0.1uF
16V
R435
22K
OPT
+3.3V_Normal
+3.5V_ST
+3.5V_ST
R406
4.7K
L402
CIS21J121
C432
0.1uF
16V
NON_CI_CAP
R433
10K
R418
6.8K
OPT
Q409
AO3407A
G
D
S
R456
4.7K
1/16W
1%
R401
10K
R427
10K
OPT
R436
15K
R431
22K
OPT
C411
0.1uF
16V
C423
4.7uF
16V
FET_AOS
IC402
TJ3940S-2.5V-3L
1GND
2VOUT
3
VIN
C440
0.1uF
16V
PWM_DIM
R490
10K
OPT
IC403
TPS54319TRE
1
VIN_1
3
GND_1
7
COMP
9SS/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]
R488
100K
C475
0.1uF
16V
NON_CI_CAP
R476
0
OPT +3.3V_Normal
R475
0
OPT
C474
0.1uF
R440
5.6K
+12V/+15V
+3.5V_ST
C445
0.1uF
16V
OPT
+24V
C404
0.1uF
16V R412
0
OPT
+3.3V_Normal
100
R420
ERROR_OUT
INV_CTL
R180
10K
OPT
R489
10K
R446
10K
OPT
R441
56K
1/16W
1%
R463
10K
OPT
+2.5V_Normal
C412
0.1uF
16V
PD_+24V
R402
100
R415
100
+3.3V_Normal
R438
22K
R443
10K
A_DIM
R457
4.3K
1/16W
1% C472
22uF
10V
L415
3.6uH
NR8040T3R6N
IC408-*1
APX803D29
PWR_DET_ON_DIODES
1GND
3VCC
2
RESET
IC409-*1
APX803D29
PD_+24V_PWR_DET_DIODES
1GND
3VCC
2
RESET
C436
0.01uF
50V
0.01uF
C448
3300pF
50V
C488
3300pF
R403
1.5K
1%
PD_+24V
R448
2.7K
1%
PD_+12V R450
0
5%
PD_+3.5V
R473
1
R482
8.2K
1%
PD_+24V
PWM1
R408
100
FOR 200HZ PWM_DIM2
R184
33
FOR LPB MODEL
P407
12507WR-08L
FOR LPB MODEL
1
2
3
4
5
6
7
8
9
R183
33
FOR LPB MODEL
I2C_SDA
I2C_SCL
C409
0.015uF
50V
0.015uF
Q400
MMBT3904(NXP)
E
B
C
Q401
MMBT3904(NXP)
E
B
C
Q405
MMBT3904(NXP)
E
B
C
Q406
MMBT3904(NXP)
OPT
E
B
C
Q407
MMBT3904(NXP)
E
B
C
C447
0.33uF
16V
+12V/+15V
R608
12K
R410
10K
L401
L425
BLM18PG121SN1D
+5V_Normal
C4072
100pF
OPT
C420
22uF
16V
C405
10uF
25V
OPT
C492
22uF
16V
OPT
L406
3.6uH
IC401
AOZ1051PI
3
AGND
2
VIN
4
FB
1
PGND
5COMP
6EN
7SS
8NC
9
[EP]LX
R609
11K
1%
R416
56K
1%
+5V_USB
R423
12K
1%
C4073
0.1uF
16V
OPT
C4074
0.1uF
16V
OPT
C4075
10uF
25V
R447
1.2K
1%
PD_+12V
Q402
MMBT3906(NXP)
1
2
3
R610
33K
OPT
Q403
AO3407A
FET_AOS
G
D
S
C494
2200pF
50V
C493
0.01uF
50V
C438
0.1uF
25V
C455
0.1uF
25V
NON_CI_CAP
C451
0.1uF
25V
OPT
C442
10uF
25V
OPT
R611
0
NON_PSU_T120_LGD
R606
3.9K
PWM_PULL-DOWN_3.9K
R606-*1
1K
PWM_PULL-DOWN_1K
R445
100
FET_AOS
R447-*1
5.1K
1%
PD_KR_42_LIPS
L412
CIS21J121
120
L403
BLM18SG700TN1D
L/DIM_SCLK
L/DIM_MOSI
R612
33
FOR LPB MODEL_L/DIM
R613
33
FOR LPB MODEL_L/DIM
R614
33
FOR LPB MODEL_L/DIM
R615
10K
OPT
R616
10K
OPT
R617
4.7K
FOR LPB MODEL_L/DIM
L/DIM_VS
+3.3V_Normal
R450-*1
100
1%
PD_KR_42_LIPS
R405-*1
4.7K
PANEL_DISCHARGE_RES_4.7K
R407-*1
4.7K
PANEL_DISCHARGE_RES_4.7K
P401
SMAW200-H24S2
SLIM_32~52
19
12V
14 GND
9
3.5V
424V
18 INV ON
13
GND
8GND
3
24V
17
12V
12 3.5V
7
GND
224V
16 GND/V-sync
11
3.5V
6GND
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
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
Q403-*2
AO3435
FET_2.5V_AOS
G
D
S
Q403-*1
DMP2130L
FET_2.5V_DIODE
G
D
S
R445-*1
2.2K
FET_2.5V
C423-*1
2.2uF
10V
FET_2.5V
R405
5.6K
PANEL_DISCHARGE_RES_5.6K
R407
5.6K
PANEL_DISCHARGE_RES_5.6K
FROM LIPS & POWER B/D
R2
+1.5V_DDR

’ERROR_OUT’ is used for

lamp(CCFL/EEFL) models.

In other words,

LED models need not use.

New item
Power_DET
+24V --> 3.78V --> 3.92V (3.79V)
+12V --> 3.58V --> 3.82V (3.68V)
Vd=550mV
+2.5V/+1.8V
R1
+3.3V_Normal

Vout=0.8*(1+R1/R2)=1.5319

Vout=0.827*(1+R1/R2)=1.225V

Not used :
only for small(ready)
R1
R2
$ 0.165
S7LR core 1.2V volt
+3.5V_ST --> 3.375V --> 3.46V
780 mA
Max 1000mA
+18.5V --> 3.5V --> 3.75V (3.59V)
300 mA

1.5A

PANEL_POWER

3A

+20V --> 3.51V --> 3.76V (3.59V)
[To LED DRIVER]
FOR LPB Download+5V_USB
R2

3A

R1
2000 mA

Vout=0.8*(1+R1/R2)

LOCAL DIMMING

Copyright © 2012 LG Electronics. Inc. All rights reserved.

Only for training and service purposes
LGE Internal Use Only