LG 26LV2500 Service Manual page 32

MLB-201209-0120P-N2 Adapter
L7504-*1
NON_Adapter
P7500 CIS21J121
SMAW200-12
+15V
1
L7503-*1
CIS21J121
+15V
2
GND
3
GND
4
+3.5V_ST
5
C7509
+3.5V_ST 0.1uF
6
16V
OPT
GND
7
OLP
8
INV_ON
9
P_DIM
10
C7507
R7505
1uF
A_DIM 4.7K A_DIM 6.3V
11
OPT
C7506
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
PWM_DIM
14
15
R7580
GND
V_SYNC
0 TP5303
TP5306 OPC_OUT
+5V to the LDO(IC7952)
+12V/+15V
IC7861
AOZ1072AI-3
L7862
3.6uH
PGND LX_2
1 8
NR8040T3R6N
VIN LX_1
2 7
C7921
0.1uF
2A
POWER_ON/OFF2_2
AGND EN
16V
3 6
R7867
C7861 C7862
10K
10uF
10uF FB COMP
25V 4 5
25V
12K
2200pF
R7866
C7863
+5V_USB
+12V/+15V
IC7951
AOZ1073AIL-3
L7952
3.6uH
PGND LX_2
1 8
NR8040T3R6N
VIN LX_1
2 7
C7920
0.1uF 3A
POWER_ON/OFF2_1
AGND EN
16V
3 6
R7952
C7951 C7952
10K
10uF
10uF FB COMP
25V 4 5
25V
12K
2200pF
R7951
C7953
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_Normal
5V_PANEL
+24V/+15V +24V_LED
L7504
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
NON_Adapter C7511
C7515
0.1uF
68uF
16V
35V
NON_Adapter
PANEL_CTL
OLP
PWM_DIM
+3.3V_Normal
3.3K -> 1K (threshold voltage up)
+3.5V_ST
R7514
1K
R7516
10K
C
R7511 R7515
10K INV_CTL
B
6.8K
OPT Q7502
E 2SC3052
R7517
10K
OPT
+3.5V_ST
L420
C461
10uF
10V
+1.5V_DDR
+1.5V_FRC_DDR
Q7522
AO3438
FRC
C7580
4.7uF
10V
+24V/+15V
OPT
AO3407A Vgs : 10.8V(24V input)
AO3407A Vgs : 8.3V(15V input)
C7501
C7503
POWER_ON/OFF2_1 0.1uF
2.2uF
50V
50V
R7501
27K
R7500
10K
Adapter B
+1.5V_DDR_FRC
POWER_ON/OFF2_2
R7832
10K
NON_Adapter
RL_ON
+5V
+15V Control
Max 1A
6.8V
+3.5V_Normal
AZ2940D-2.5TRE1
OPT
C7864 C7865 C7866 C7867
R1 VIN
100pF 22uF 0.1uF 0.1uF
50V 16V
16V 16V
C7553
0.1uF
16V
300 mA
R2
Vout=(1+R1/R2)*0.8
+5V_USB +3.5V_ST
2000 mA
L413
C430
OPT 10uF
C7954 C7955 C7956 C7957
10V
R1
100pF 22uF 0.1uF 0.1uF
50V 16V
16V 16V
OPT
R2
Vout=(1+R1/R2)*0.8
All manuals and user guides at all-guides.com
+12V/+15V
PANEL_POWER
12V_PANEL
C7529
C7525 C7526
C7504 10uF
0.01uF 0.1uF
0.015uF 16V
0.015uF 25V 16V
Q7506
50V
OPT
0.01uF AO3407A
New item
5V_PANEL
R7530 C7531
R7530-*1
33K 10uF G
22K
R7523
12V_PANEL 25V
22K
C7541
5V_PANEL R7531
0.1uF
R7531-*1
5.6K 50V
2.7K 12V_PANEL
OPT OPT
C
R7522
10K
B Q7505
2SC3052
C
R7521
E
R7527
10K B Q7503
22K
2SC3052
E
S7M DDR 1.5V
1074 mA
POWER_ON/OFF1
C475
0.1uF
16V C462
0.1uF
16V
L423
3.6uH
VIN_1 PH_3
1 12
THERMAL
VIN_2 PH_2 NR8040T3R6N
2 11
17
C468
C472 C476
0.1uF
GND_1 PH_1
3 IC407 10 22uF 22uF
16V
TPS54319TRE
C465 10V 10V
GND_2 SS/TR
4 9
0.01uF
50V
R1
R452
1/16W 330K 5%
C467
R455
15K 4700pF
1/16W 5% 50V
R2
R449
56K
1/16W
3A
1%
$ 0.145
Vout=0.827*(1+R1/R2)=1.521V
AMP_VCC
+3.5V_ST
+24V +12V/+15V
R7503
22K
C7555
C7554
0.1uF
0.01uF
S
R7555
G
Adapter 10K
L7913 3.3uH
Q7501
R7572
D CPI2520NHL3R3ME 2520
AO3407A 0
R7556
C L7914 NON_Adapter
0
BLM18PG121SN1D
C
R7545
Q7500
C7932 C7933
10K
NON_Adapter B Q7507
C7505 3.3uF 0.01uF
E 1608 2SC3052
0.01uF 50V 50V
2A POWER_ON/OFF2_2
50V R7551
E
22K
+3.5V_Normal
+24V_LED
+2.5V C7925
R7862
22K
2.2uF
IC7505 Adapter
50V
C7924 Adapter
+2.5V_Normal
0.1uF S
50V
VOUT G
1 3 Adapter
Vd=550mV
R7861
27K Q7521
2 Adapter
Adapter D
AO3407A
GND
R7860
10K C
B
Adapter
RL_ON Adapter
Q7520
C7556 C7557
Adapter
10uF 0.1uF
E
10V 16V
POWER_ON/OFF2_1
S7M core 1.26V volt
C447
0.1uF C441
16V 0.1uF
16V
L415
3.6uH
VIN_1 PH_3
1 12
THERMAL
VIN_2 PH_2 NR8040T3R6N
2 17 11
C431
C453 C456
0.1uF GND_1 PH_1
3 IC403 10 22uF 22uF
16V
SN1007054RTER C488 10V 10V
GND_2 SS
4 9
0.01uF
50V
R1
R432
1/10W 330K 5%
R436 C448
3300pF
7.5K
1/16W 5%
50V
R2
3A
$ 0.165
R441
Vout=0.8*(1+R1/R2)
75K
1/8W
1%
+24V/+15V
24V-->3.48V
15V-->3.56V
ST_3.5V-->3.5V --> 3.375V
C7958
0.1uF
16V
PANEL_VCC
+3.5V_ST
Power_DET
C7547
0.1uF
16V
C7959
0.1uF
16V
LIPS
MP8670DN-LF-Z
SW
1
BST
2
+1.5V_DDR
VCC
Adapter
3
Adapter
C7522
R7865
1uF
0 BG
50V 4
Adapter
Adapter
Q7504
SI4124DY-T1-GE3(VISHAY)
C7519
S_1 D_4
1uF 1 8
25V
S_2 2 7 D_3
C470
S_3 D_2
3 6
0.1uF
G D_1
4 5
16V
close to IC7502
C463
100pF
50V
MBRA340T3G
close to pin
SW_1
Adapter
SW_2
D7500
+3.5V_Normal
Adapter COMP
Q7508
AO3407A C7524
220pF
50V
C7559
4.7uF
G
16V
C7561
1uF
25V
C7568
0.1uF
16V
+3.3V_Normal
+12V/+15V
IC7506
AOZ1073AIL-3
L7511 PGND
1
+24V_LED_driver VIN
2
C7923
0.1uF
3A
AGND
16V
3
C7549
C7551
10uF 10uF FB $0.17
4
25V 25V
AO3407A Vgs : 10.8V
C7926
0.01uF
50V
LED Driver Power
+5V_Normal
+12V/+15V
+1.26V_VDDC
PGND
VIN
C7922
0.1uF
AGND
16V
C7550 C7552
10uF 10uF
FB
C444 25V 25V
0.1uF
16V
50V
100pF
Vout=0.8*(1+R1/R2)
C439
+5V IC7952
AP1117EG-13
IN 3 2 OUT
1
C7962
0.1uF ADJ/GND
16V
POWER_SMALL
+3.5V_ST
R7561
100K
IC7509
NCP803SN293
1%
R7582
POWER_DET
VCC RESET 100
3 2
1
GND
PWR_DET_ON_SEMI
R7585
100K LIPS
IC7512
LIPS
NCP803SN293
1%
R7586
100
VCC RESET
3 2
1
GND
LIPS_PWR_DET_ON_SEMI
UNDER CHECKING
+24V/+15V
24V->15V
IC7502
Adapter Adapter Adapter
C7533 C7536 C7540
0.1uF 3.3uF 3.3uF
50V
50V 50V
IN
8 +12V/+15V
Adapter
090916
real output : 12.3V
EN/SYNC
7
RL_ON
Adapter
$0.37
R1 R7540
FB 120K
6
1%
R2
GND
5
Adapter
L7508
Placed on SMD-TOP
4.7uH
Adapter Adapter
Adapter
SP-7850_4.7 C7532 C7537 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
+24V/+15V
MP4460DQ-LF-Z EP_GND
BST
1 10
VIN_2
2 9
Adapter
Adapter C7542 C7544
EN VIN_1
3.3uF 0.1uF +3.5V_ST
3 8
Adapter
Adapter 50V 50V
R7537
FREQ 200K
$0.21
4 7
Adapter
1/8W
R7544
FB GND 1%
5 6 105K
1/10W
1%
Adapter
L7509
3.6uH
Adapter Adapter Adapter
C7538 C7543
NR8040T3R6N C7571
10uF
10uF 0.1uF
10V 10V 50V
+3.3V_Normal
1934 mA
L7515
L7513
CIC21J501NE
3.6uH
LX_2
8
NR8040T3R6N
LX_1
7
EN POWER_ON/OFF2_2 C7569
C7563 C7567
6 R1
0.1uF
22uF 0.1uF
R7558
16V 16V 16V
10K
COMP
5
OPT
12K C7562
2200pF
R7557 100pF
C7558
50V
R2
Vout=(1+R1/R2)*0.8
MAX 1A
IC7507 +5V_Normal
AOZ1072AI-3
L7514
3.6uH
LX_2
1 8
NR8040T3R6N
LX_1
2 7
2A
POWER_ON/OFF2_2
EN R1 C7565
C7566 C7578 C7570
3 6
100pF
22uF 0.1uF 0.1uF
R7560
50V 16V 16V
10K 16V
COMP
4 5
$0.148
12K
2200pF
R7559
C7560
R2
LDO for Tuner
+5V_General
R7957
R7956 330
110
C7961
C7960
22uF
0.1uF
16V 16V
GP2R 20101117
22