LG 22LV2500 Service Manual page 32

MLB-201209-0120P-N2 A d a p t e r
L7504-*1
NON_Adapter
CIS21J121
P7500
SMAW200-12
+15V
1
L7503-*1
CIS21J121
+15V
2
GND
3
GND
4
+3.5V_ST
5
C7509
+3.5V_ST
6
OPT
GND
7
OLP
8
INV_ON
9
P_DIM
10
C7507
R7505
1uF
A_DIM
A_DIM 4.7K 6.3V
11
OPT
C7506
NC
1uF
12
6.3V
OPT
A d a p t e r
JK7500
JPD003N-M432-4F
24V
SW
C7502
0 . 1 u F
50V
GND
+24V_LED_driver
A d a p t e r
P7501
SM14B-SRSS-TB
24V
1
C7927
C7928
0 . 1 u F
24V 0 . 0 1 u F
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
TP5303 V_SYNC
0
OPC_OUT
TP5306
+ 5 V t o t h e L D O ( I C 7 9 5 2 )
+12V/+15V
IC7861
AOZ1072AI-3
L7862
3.6uH
PGND LX_2
1 8
NR8040T3R6N
VIN LX_1
2 7
C7921
0 . 1 u F
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 . 1 u F 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
+24V/+15V +24V_LED 5V_PANEL
L7504
A d a p t e r
L7503 L7912
MLB-201209-0120P-N2 MLB-201209-0120P-N2
4 A - > 3 A m o d i f y 0 9 0 9 1 6
C7517
C7514
NON_Adapter
68uF
0 . 1 u F L7912-*1
50V 35V CIS21J121
L7502-*1
CIS21J121
+3.5V_ST
L7502
MLB-201209-0120P-N2
NON_Adapter
C7511
NON_Adapter
C7515
0 . 1 u F
0 . 1 u F
68uF
16V 16V
35V
NON_Adapter
PANEL_CTL
OLP
PWM_DIM
+3.3V_Normal
3 . 3 K - > 1 K ( t h r e s h o l d v o l t a g e u p )
+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
+1.5V_DDR
+1.5V_FRC_DDR
Q7522
AO3438
FRC
C7580
4 . 7 u F
10V
+24V/+15V
OPT
C7501
POWER_ON/OFF2_1 0 . 1 u F
50V
R7500
10K
Adapter
+1.5V_DDR_FRC
POWER_ON/OFF2_2
R7832
10K
NON_Adapter
RL_ON
+5V + 1 5 V C o n t r o l
Max 1A
6.8V
+3.5V_Normal
OPT
C7864 C7867
C7865 C7866
R1
100pF 0 . 1 u F
22uF 0 . 1 u F
50V 16V 16V 16V
C7553
0 . 1 u F
16V
300 mA
R2
Vout=(1+R1/R2)*0.8
+5V_USB +3.5V_ST
2000 mA
OPT
C7954 C7957
C7955 C7956
R1
100pF 0 . 1 u F
22uF 0 . 1 u F
50V 16V 16V 16V
OPT
R2
Vout=(1+R1/R2)*0.8
+12V/+15V
PANEL_POWER
12V_PANEL
C7525 C7526 C7529
C7504
0 . 0 1 u F 0 . 1 u F 10uF
0 . 0 1 5 u F 25V 16V
0 . 0 1 5 u F 16V
Q7506
50V OPT
0 . 0 1 u F AO3407A
New item
5V_PANEL
R7530 C7531
R7530-*1
33K 10uF G
22K
R7523
12V_PANEL 25V
22K
C7541
5V_PANEL R7531
0 . 1 u F
R7531-*1
5.6K 50V
2.7K 12V_PANEL
OPT
OPT C
R7522
10K B Q7505
2SC3052
C
R7521
E
10K R7527
B Q7503
22K
2SC3052
E
S7M DDR 1.5V
POWER_ON/OFF1
C475
0 . 1 u F
C462
16V
0 . 1 u F
16V
L420
L423
3.6uH
VIN_1 PH_3
1 12
THERMAL
VIN_2 PH_2 NR8040T3R6N
2 17 11
C461 C468
C472 C476
10uF 0 . 1 u F
GND_1 PH_1
3 IC407 10 22uF 22uF
10V 16V
TPS54319TRE
C465 10V 10V
GND_2 SS/TR
4 9
0 . 0 1 u F
50V
R1
R452
1/16W 330K 5%
C467
R455
4700pF
15K
1/16W 5%
50V
R2
R449
56K
1/16W
3A
1%
$ 0 . 1 4 5
Vout=0.827*(1+R1/R2)=1.521V
AMP_VCC
+3.5V_ST
A O 3 4 0 7 A V g s : 1 0 . 8 V ( 2 4 V i n p u t )
+24V +12V/+15V
A O 3 4 0 7 A V g s : 8 . 3 V ( 1 5 V i n p u t )
C7503 R7503
2 . 2 u F 22K
C7555
50V C7554
0 . 1 u F
0 . 0 1 u F
S
G A d a p t e r
R7501
L7913 3.3uH
Q7501
27K
R7572
CPI2520NHL3R3ME 2520
D
AO3407A 0
L7914 NON_Adapter
C
BLM18PG121SN1D
B
R7545
Q7500
C7932 C7933
10K B
NON_Adapter
C7505 3 . 3 u F 0 . 0 1 u F
E 1608
0 . 0 1 u F 50V 50V
POWER_ON/OFF2_2
2A
50V R7551
22K
+3.5V_Normal
+24V_LED
+2.5V
C7925
R7862
22K
2 . 2 u F
IC7505 Adapter
50V
C7924
AZ2940D-2.5TRE1 +2.5V_Normal Adapter
0 . 1 u F
50V
G
VIN VOUT Adapter
1 3
Vd=550mV R7861
Q7521
27K
2 Adapter
Adapter
AO3407A
GND
R7860
10K C
B
Adapter
RL_ON Q7520
C7556 C7557
Adapter
10uF 0 . 1 u F
E
10V 16V
POWER_ON/OFF2_1
S 7 M c o r e 1 . 2 6 V v o l t
C447
0 . 1 u F C441
0 . 1 u F
16V
16V
L413
L415
3.6uH
VIN_1 PH_3
1 12
THERMAL
VIN_2 PH_2 NR8040T3R6N
2 11
C430 17
C431
C453 C456
10uF 0 . 1 u F
GND_1 PH_1
3 IC403 10 22uF 22uF
10V
16V
SN1007054RTER
C488 10V 10V
GND_2 SS
4 9
0 . 0 1 u F
50V
R1
R432
1/10W 330K 5%
C448
R436
3300pF
7.5K
1/16W 5%
50V
R2
3A
$ 0 . 1 6 5
R441
Vout=0.8*(1+R1/R2)
75K
1/8W
1%
24V-->3.48V
15V-->3.56V
S T _ 3 . 5 V - - > 3 . 5 V - - > 3 . 3 7 5 V
C7958
0 . 1 u F
16V
PANEL_VCC
Power_DET
C7547
0 . 1 u F
16V
C7959
0 . 1 u F
16V
1074 mA
+1.5V_DDR
A d a p t e r
A d a p t e r
C7522
R7865
1uF
0
50V
A d a p t e r
A d a p t e r
Q7504
SI4124DY-T1-GE3(VISHAY)
C7519
1uF S_1
1 8
25V
S_2
2 7
C470
S_3
3 6
0 . 1 u F
G
4 5
16V
c l o s e t o I C 7 5 0 2
C463
100pF
50V
MBRA340T3G
c l o s e t o p i n
A d a p t e r
+3.5V_Normal
A d a p t e r
Q7508
AO3407A
C7559
R7555
4 . 7 u F
G
10K
16V
C7561
1uF
R7556
25V
0
C
C7568
Q7507
0 . 1 u F
2SC3052
16V
E
+3.3V_Normal
+12V/+15V
AOZ1073AIL-3
L7511
PGND
+24V_LED_driver VIN
C7923
0 . 1 u F
AGND
16V
S
C7549 C7551
10uF
10uF FB
25V
25V
D
AO3407A Vgs : 10.8V
A d a p t e r
C7926
0 . 0 1 u F
50V
LED Driver Power
+12V/+15V
+1.26V_VDDC
C7550 C7552
10uF 10uF
C444 25V 25V
0 . 1 u F
16V
50V
100pF
C439
IC7952
+5V
AP1117EG-13
IN 3
1
C7962
0.1uF
ADJ/GND
16V
POWER_SMALL
+3.5V_ST
+24V/+15V
R7561
100K
IC7509
NCP803SN293
1%
R7582
POWER_DET
VCC RESET 100
3 2
1
GND
PWR_DET_ON_SEMI
R7585
+3.5V_ST
100K
LIPS
IC7512
LIPS
NCP803SN293
1%
R7586
VCC RESET 100
3 2
1
GND
LIPS_PWR_DET_ON_SEMI
LIPS
UNDER CHECKING
+24V/+15V
24V->15V
IC7502
MP8670DN-LF-Z A d a p t e r A d a p t e r A d a p t e r
C7540
C7533 C7536
0 . 1 u F 3 . 3 u F 3 . 3 u F
50V 50V
50V
SW IN
1 8 +12V/+15V
A d a p t e r
090916
r e a l o u t p u t : 1 2 . 3 V
BST EN/SYNC
2 7
RL_ON
A d a p t e r
$0.37
R7540
R1
VCC FB
120K
3 6
1%
R2
BG GND
4 5
D_4
D_3
D_2
D_1 A d a p t e r
L7508
Placed on SMD-TOP
4.7uH
A d a p t e r A d a p t e r
A d a p t e r
S P - 7 8 5 0 _ 4 . 7 C7537
C7532 C7545
10uF
10uF 0 . 1 u F
25V 25V
50V
A d a p t e r
R7529
100K 24V->3.5V
A d a p t e r
C7527
0 . 1 u F
50V S w i t c h i n g n o i s e r e d u c i n g [ M P S r e c o m m e n d ]
IC7503
+24V/+15V
MP4460DQ-LF-Z EP_GND
SW_1 BST
1 10
SW_2 VIN_2
2 9
A d a p t e r
D7500
A d a p t e r C7542
C7544
EN VIN_1
3 . 3 u F 0 . 1 u F +3.5V_ST
3 8
A d a p t e r
A d a p t e r 50V 50V
R7537
200K
COMP FREQ
4 $0.21 7
C7524 1/8W A d a p t e r
220pF R7544
FB GND 1%
50V 5 6
105K
1/10W
1%
A d a p t e r
L7509
3.6uH
A d a p t e r A d a p t e r A d a p t e r
C7538 C7543
NR8040T3R6N C7571
10uF
10uF 0 . 1 u F
10V 10V 50V
+3.3V_Normal
IC7506
1934 mA
L7515
L7513
CIC21J501NE
3.6uH
LX_2
1 8
NR8040T3R6N
LX_1
2 7
3A
EN POWER_ON/OFF2_2
C7563 C7567
3 6 R1
22uF 0 . 1 u F
R7558
16V 16V
10K
$0.17 COMP
4 5
OPT
12K C7562
2200pF
R7557 100pF
C7558
50V
R2
Vout=(1+R1/R2)*0.8
+5V_Normal
MAX 1A
IC7507
AOZ1072AI-3
L7514
3.6uH
PGND LX_2
1 8
NR8040T3R6N
VIN LX_1
2 7
C7922
0 . 1 u F 2A
POWER_ON/OFF2_2
AGND EN R1 C7565 C7566
16V C7578
3 6
100pF
22uF 0 . 1 u F
R7560
50V 16V
10K 16V
FB COMP
4 5
$0.148
12K
2200pF
R7559
C7560
R2
Vout=0.8*(1+R1/R2)
L D O f o r T u n e r
+5V_General
R7957
2 OUT
R7956 330
110
C7961
C7960
0.1uF 22uF
16V 16V
GP2R 20101117
22
C7569
0 . 1 u F
16V
+5V_Normal
C7570
0 . 1 u F
16V