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L7504-*1
NON_Adapter
P7500
CIS21J121
SMAW200-12
+15V
1
L7503-*1
CIS21J121
+15V
2
GND
3
GND
4
+3.5V_ST
5
+3.5V_ST
+2.5V_Normal
6
GND
7
OLP
R7513
OLP
22
8
OLP
OLP
INV_ON
9
P_DIM
10
C7507
R7505
1uF
A_DIM
A_DIM
4.7K
6.3V
C7507-*1
11
OPT
3.9K
C7506
PWM_PULL_DOWN
NC
1uF
12
6.3V
OPT
Adapter
JK7500
JPD003N-M432-4F
24V
SW
C7502
0.1uF
50V
GND
+24V_LED_driver
Adapter
P7501
SM14B-SRSS-TB
24V
1
C7927
C7928
0.1uF
24V
0.01uF
2
50V
50V
24V
3
24V
4
24V
5
GND
6
GND
7
GND
8
GND
9
GND
10
R7588
ERROR_OUT
11
ERROR_OUT
100
INV_ON
12
NC
13
RL_ON
PWM_DIM
14
15
R7580
GND
0
+3.3V_Normal
+3.5V_ST
0.1uF
16V
R438
R434
22K
10K
R445
2.2K
C
R443
POWER_ON/OFF_1
10K
B
Q400
2SC3052
E
+12V/+15V
+5V_USB
C405
10uF
25V
IC401
TPS54327DDAR
[EP]GND
EN
VIN
R1
1
8
R410
R416
R607
10K
C413
VFB
VBST
56K
11K
2
7
1%
1%
0.1uF
C489
100pF
VREG5
SW
3
6
3A
R423
SS
GND
12K
4
5
1%
C494
C493
R2
1uF
3300pF
10V
50V
Vout=(1+R1/R2)*0.765=5.03V
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 © 2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
+5V_Normal
+24V_LED
+24V/+15V
L7504
MLB-201209-0120P-N2 Adapter
5V_PANEL
Adapter
L7503
L7912
MLB-201209-0120P-N2
MLB-201209-0120P-N2
4A -> 3A modify 090916
C7517
C7514
NON_Adapter
68uF
L7912-*1
0.1uF
35V
50V
CIS21J121
L7502-*1
CIS21J121
+3.5V_ST
L7502
MLB-201209-0120P-N2
NON_Adapter
C7511
C7509
NON_Adapter
C7515
0.1uF
0.1uF
68uF
16V
16V
35V
OPT
NON_Adapter
PANEL_CTL
PWM_DIM
+3.3V_Normal
3.3K -> 1K (threshold voltage up)
+3.5V_ST
R7514
1K
R7516
10K
C
R7511
R7515
INV_CTL
B
10K
6.8K
OPT
Q7502
E
2SC3052
R7517
10K
OPT
+3.5V_ST
RT1P141C-T112
Q7508
3
+3.5V_ST
1
RL_ON_BUFFER
2
R7507
4.7K
R7504
OPT
10K
R7506
C
10K
B
Q7507
2SC3052
E
R7509
10K
R7508
0
OPT
+3.3V_Normal
+3.3V_Normal
Q403
L403
RSR025P03
BLM18PG121SN1D
S
D
C432
0.1uF
R446
16V
C445
G
C437
10K
OPT
0.1uF
22uF
C423
OPT
16V
16V
4.7uF
16V
OPT
16V
C424
1uF
25V
780 mA
OPT
+3.5V_ST
L413
C430
2000 mA
10uF
10V
+5V_Normal
+5V_USB
L425
L406
3.6uH
BLM18PG121SN1D
NR8040T3R6N
NON_5V_PANEL
C420
C492
22uF
22uF
16V
16V
OPT
+12V/+15V
PANEL_POWER
12V_PANEL
C7525
C7526
C7529
C7504
10uF
0.01uF
0.1uF
0.015uF
25V
16V
0.015uF
16V
Q7506
50V
OPT
0.01uF
AO3407A
New item
5V_PANEL
R7530
C7531
R7530-*1
33K
10uF
G
22K
R7523
12V_PANEL
25V
22K
OPT
C7541
5V_PANEL
R7531
0.1uF
R7531-*1
5.6K
50V
2.7K
12V_PANEL
OPT
C
R7522
10K
B
Q7505
2SC3052
C
R7521
E
R7527
47K
B
Q7503
22K
2SC3052
OPT
OPT
R7524
OPT
E
10K
+1.5V_DDR
+3.5V_ST
IC407
AP7173-SPG-13 HF(DIODES)
L420
[EP]
BLM18PG121SN1D
IN
OUT
1
8
R457
PG
FB
4.3K
2
7
1/16W
R1
1%
VCC
SS
3
6
1.5A'
+3.3V_Normal
R433
10K
EN
GND
C467
4
5
560pF
50V
R2
C461
10uF
10V
Vout=0.8*(1+R1/R2)=1.5319
AMP_VCC Control
+24V/+15V
AMP_VCC
AO3407A Vgs : 10.8V(24V input)
+24V
AO3407A Vgs : 8.3V(15V input)
C7501
C7503
R7503
0.1uF
2.2uF
22K
50V
50V
S
G
Adapter
R7500
R7501
10K
L7913
3.3uH
POWER_ON/OFF_1
27K
Q7501
Adapter
R7572
D
CPI2520NHL3R3ME
2520
AO3407A
0
R7502
C
L7914
NON_Adapter
10K
BLM18PG121SN1D
OPT
B
MMBT3904(NXP)
Q7500
C7932
C7933
NON_Adapter
C7505
3.3uF
0.01uF
E
1608
R7832
0.01uF
50V
50V
2A
10K
50V
RL_ON_BUFFER
NON_Adapter
LED Driver Power
+2.5V/+1.8V
+24V_LED
IC402
C7925
+2.5V_Normal
2.2uF
TJ3940S-2.5V-3L
50V
C7924
Adapter
0.1uF
VIN
VOUT
Vd=550mV
50V
GND
Adapter
R7861
27K
Q7521
Adapter
Adapter
AO3407A
R7860
C
10K
C403
C440
Adapter
B
MMBT3904(NXP)
10uF
0.1uF
RL_ON_BUFFER
Q7520
10V
16V
300 mA
E
S7LR core 1.2V volt
+3.3V_Normal
10K
C447
R428
0.1uF
16V
C441
0.1uF
16V
L415
3.6uH
VIN_1
PH_3
1
12
THERMAL
NR8040T3R6N
VIN_2
PH_2
2
17
11
C431
C453
C456
0.1uF
GND_1
PH_1
3
IC403
10
22uF
22uF
16V
TPS54319TRE
C488
10V
10V
GND_2
SS/TR
4
9
3300pF
50V
R1
R432
1/16W
330K
5%
C448
R436
15K
3300pF
50V
R2
4A
$ 0.165
Vout=0.827*(1+R1/R2)=1.225V
R7863-*1
R7864-*1
3K
3K
PANEL_DISCHARGE_RES
PANEL_DISCHARGE_RES
24V-->3.48V
15V-->3.56V
C7958
ST_3.5V-->3.5V --> 3.375V
0.1uF
16V
PANEL_VCC
Power_DET
C7547
0.1uF
16V
C7959
0.1uF
16V
Max 1000mA
+1.5V_DDR
Adapter
Adapter
C7522
R7865
1uF
0
50V
Adapter
Adapter
Q7504
SI4124DY-T1-GE3(VISHAY)
C7519
1uF
S_1
C472
1
C476
25V
S_2
22uF
0.1uF
2
10V
16V
S_3
3
G
4
close to IC7502
MBRA340T3G
+12V/+15V
close to pin
Adapter
Adapter
+24V_LED_driver
R7862
+5V_Normal(only for 5V PANEL)
22K
Adapter
S
+12V/+15V
G
D
AO3407A Vgs : 10.8V
5V_PANEL
Adapter
Adapter
C7922
C7926
0.1uF
0.01uF
50V
16V
5V_PANEL
5V_PANEL
C7550
C7552
10uF
10uF
25V
25V
Vout=0.8*(1+R1/R2)
+5V_TUNER(only for 5V Tuner)
+1.10V_VDDC
+12V/+15V
PGND
VIN
+5V_TUNER
C7921
C444
0.1uF
0.1uF
AGND
16V
+5V_TUNER
16V
+5V_TUNER
C7861
C7862
OPT
R400
10uF
10uF
FB
FB_CORE
25V
25V
0
50V
100pF
C439
IC7952
+5V
AP1117EG-13
+5V_TUNER
IN
3
+5V_TUNER
1
C7962
0.1uF
ADJ/GND
16V
+24V/+15V
+3.5V_ST
R7561
100K
IC7509
NCP803SN293
1%
R7582
POWER_DET
VCC
RESET
100
3
2
1
C7957
GND
0.1uF
PWR_DET_ON_SEMI
16V
OPT
R7585
+3.5V_ST
100K LIPS
IC7512
LIPS
NCP803SN293
1%
R7586
100
VCC
RESET
3
2
1
GND
LIPS_PWR_DET_ON_SEMI
LIPS
+24V/+15V
24V->15V
IC7502
MP8670DN-LF-Z
Adapter
Adapter
Adapter
C7540
C7533
C7536
0.1uF
3.3uF
3.3uF
50V
50V
50V
SW
IN
1
8
+12V/+15V
Adapter
090916
real output : 12.3V
BST
EN/SYNC
2
7
RL_ON_BUFFER
Adapter
$0.37
R7540
R1
VCC
FB
120K
3
6
1%
R2
BG
GND
4
5
D_4
8
D_3
7
D_2
6
D_1
Adapter
5
L7508
Placed on SMD-TOP
4.7uH
Adapter
Adapter
Adapter
SP-7850_4.7
C7537
C7532
C7545
10uF
10uF
0.1uF
25V
25V
50V
Adapter
R7529
100K
24V->3.5V
Adapter
C7527
0.1uF
50V
Switching noise reducing [MPS recommend]
IC7503
MP4460DQ-LF-Z
+24V/+15V
EP_GND
SW_1
BST
1
10
SW_2
VIN_2
2
9
Adapter
D7500
Adapter
C7542
C7544
EN
VIN_1
3.3uF
0.1uF
+3.5V_ST
3
8
Adapter
50V
50V
R7537
COMP
FREQ
100K
$0.21
4
7
C7524
Adapter
1/8W
220pF
R7544
FB
GND
5%
50V
5
6
100K
1/10W
1%
Adapter
L7509
3.6uH
Adapter
Adapter
Adapter
C7538
C7571
C7543
NR8040T3R6N
10uF
0.1uF
10uF
10V
10V
50V
+5V_Normal
5V_PANEL
IC7507
AOZ1072AI-3
BLM18PG121SN1D
5V_PANEL
L7514
3.6uH
PGND
LX_2
5V_PANEL
1
8
NR8040T3R6N
VIN
LX_1
5V_PANEL
2
7
5V_PANEL
5V_PANEL
5V_PANEL
5V_PANEL
5V_PANEL
2A
AGND
EN
R1
C7565
C7566
C7578
3
6
100pF
22uF
0.1uF
R7560
50V
5V_PANEL
16V
16V
10K
FB
COMP
5V_PANEL
5V_PANEL
4
5
$0.148
12K
2200pF
R7559
C7560
5V_PANEL
R2
+5V
IC7861
Max 1A
AOZ1072AI-3
+5V_TUNER
6.8V
L7862
3.6uH
LX_2
1
+5V_TUNER
8
NR8040T3R6N
+5V_TUNER
LX_1
2
7
+5V_TUNER
+5V_TUNER
+5V_TUNER
+5V_TUNER
OPT
2A
EN
C7864
C7865
C7866
3
6
R1
100pF
22uF
0.1uF
R7867
50V
16V
16V
10K
+5V_TUNER
COMP
4
5
+5V_TUNER
+5V_TUNER
12K
2200pF
R7866
C7863
+5V_TUNER
Vout=(1+R1/R2)*0.8
R2
LDO for Tuner
+5V_TUNER
R7957
2 OUT
R7956
330
110
+5V_TUNER
+5V_TUNER
C7960
C7961
22uF
0.1uF
16V
16V
2011.03.02.
S7LR Small
POWER
22
LGE Internal Use Only
L424
C7570
0.1uF
16V
C7867
0.1uF
16V
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