Read LG 55LW5600 (CHASSIS:LA12C) Service Manual online
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.
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.
0
POWER_24_GND
R524
10K
OPT
OPT
R552
MLB-201209-0120P-N2
L503
0 . 0 1 u F
50V
50V
C510
22K
5V_PANEL
R558-*1
A_DIM
+2.5V_BCM35230
0
NON_OPC/NON_IOP
R540
PWM_DIM_22
+3.5V_ST
0 . 1 u F
50V
C519
10uF
16V
16V
C503
+12V
+0.9V_CORE
RT1P141C-T112
Q502
1
2
3
6.8K
OPT
R543
0 . 1 u F
16V
C513
3300pF
50V
C530
10K
R547
PANEL_VCC
+3.3V_Normal
10K
OPT
R554
R554
A_DIM_20
POWER_ON/OFF2_1
0 . 1 u F
16V
16V
OPT
C558
0 . 1 u F
16V
16V
OPT
C532
1/8W
2K
R575
PANEL_DISCHARGE_REG
3.6uH
L509
INV_CTL
0
POWER_20_A_DIM
R531
10uF
16V
16V
C546
A_DIM_20
1000pF
50V
C507
INV_CTL_18
1.8K
12V_PANEL
R559
0
POWER_22_A_DIM
R535
220pF
50V
C509
PANEL_CTL
10K
R566
10K
OPT
R522
6.8K
R505
1uF
25V
C560
OPT
2SC3052
Q504
E
B
C
0
POWER_24_PWM_DIM
R527
0
POWER_22_PWM_DIM
R526
47uF
10V
C538
+5V_Normal
NR8040T3R6N
3.6uH
L516
100
R520
4 . 7
R577
0 . 1 u F
OPT
C533
+12V
1/8W
2K
R576
PANEL_DISCHARGE_REG
+3.5V_ST
BLM18PG121SN1D
L514
10K
1%
R572
22uF
16V
16V
C570
2700pF
C
5
5
5
+3.5V_ST
0 . 1 u F
50V
50V
C551
+12V
ERROR_OUT_24
NR8040T3R6N
3.6uH
L515
100
POWER_18_INV_CTL
R532
1/16W
12K
1%
R501
0 . 1 u F
16V
16V
C581
NON_PD_+3.5V
2200pF
C
5
5
7
10uF
6.3V
C527
10uF
16V
16V
C528
+24V
A_DIM
10uF
16V
16V
C505
22uF
10V
10V
C568
10K
R502
AOZ1024DI
EAN60660601
IC505
1
PGND
2
VIN
3
AGND
4
FB
5
COMP
6
EN
7
LX
+3.3V_Normal
10K
R542
22uF
10V
10V
C522
0
POWER_20_PWM_DIM
R538
2SC3052
Q501
E
B
C
51K
1%
R567
0 . 1 u F
16V
16V
C508
+5V_USB
100pF
50V
OPT
C564
4.7uF
10V
C516
4 . 7
R578
MLB-201209-0120P-N2
L501
18K
1%
1%
R544
INV_CTL_18
10K
OPT
R551
10K
R536
+3.5V_ST
0
5%
5%
PD_+3.5V
R515
R515
POWER_ON/OFF2_1
0 . 1 u F
16V
16V
OPT
C559
47uF
10V
10V
C524
OPT
0
POWER_18_A_DIM
R533
100pF
50V
OPT
C565
1uF
OPT
C531
10K
12V_PANEL
R558
10K
R565
0 . 1 u F
50V
50V
C563
+3.3V_Normal
120-ohm
L506
10K
R507
OPT
10uF
10V
10V
C525
1.5K
1%
R568
+12V
BLM18PG121SN1D
L502
+12V
2SC3052
Q506
E
B
C
51K
1%
R570
22uF
10V
10V
C567
BLM18PG121SN1D
L507
50V
OPT
C537
10K
OPT
R528
22uF
16V
OPT
16V
OPT
C571
+3.5V_ST
MLB-201209-0120P-N2
L504
PWM_DIM
FW20020-24S
NORMAL_26~55
P502
19
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
20
15
10
5
21
22
23
24
ERROR_OUT
0 . 1 u F
16V
16V
ESD
C520
POWER_ON/OFF2_1
22uF
10V
10V
C523
OPT
ERROR_OUT
+3.5V_ST
13K
R525
10K
1%
R550
2SC3052
Q505
E
B
C
+3.3V_Normal
0
POWER_24_ERROR_OUT
R541
POWER_ON/OFF2_2
10uF
25V
C552
PWM_DIM_22
22K
R555
4.7K
R508
22K
R557
0
POWER_20_ERROR_OUT
R529
2K
R504
100
POWER_24_INV_CTL
R537
POWER_ON/OFF2_2
2.7K
5V_PANEL
R559-*1
4.7K
ERROR_OUT_PULL_UP
R523
BLM18PG121SN1D
L513
100
R519
NON_PD_+3.5V
PWM_DIM
THERMAL
AP2132MP-2.5TRG1
EAN61387601
IC504
3
VIN
2
EN
4
VCTRL
1
PG
5
NC
6
VOUT
7
ADJ
8
GND
9
[ E P ]
+12V
+24V
+5V_Normal
10uF
16V
16V
C545
4.7K
1%
R549
AO3407A
Q507
G
D
S
330
R506
MLB-201209-0120P-N2
12V_PANEL
L511
ERROR_OUT_24
1K
R546
+12V
0 . 1 u F
16V
16V
C580
A_DIM
POWER_DET
SMAW200-H24S2
SLIM_32~55
P501
19
12V
14
GND
9
3.5V
4
24V
18
INV ON
13
GND
8
GND
3
24V
17
12V
12
3.5V
7
GND
2
24V
16
GND/V-sync
11
3.5V
6
GND
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
0 . 1 u F
50V
C506
27K
1%
R548
10K
1%
R569
RL_ON
47K
R553
0.47uF
25V
C515
+1.5V_DDR
10K
R591
POWER_ON/OFF1
+3.5V_ST
0
R518
POWER_16_GND
0 . 1 u F
16V
C591
10uF
6.3V
6.3V
C539
22uF
10V
C594
560pF
50V
50V
C593
10uF
10V
C590
BLM18PG121SN1D
L517
L/DIM0_VS
L_VS
0
POWER_16_URSA_SCAN
R574
0
POWER_16_BCM_SCAN
R573
4.3K
1%
1%
R595
3.9K
1%
1%
R593
1K
1%
1%
R592
4.7K
1%
1%
PD_+18.5V
R510-*3
5.6K
1%
PD_+20V
R510-*4
R510-*4
1.21K
1%
1%
PD_+18.5V
R511-*3
1.3K
1%
1%
PD_+20V
R511-*4
R511-*4
100K
R517
100K
R516
NON_PD_+3.5V
2.7K
1%
1%
PD_+12V
R512
R512
1.21K
1%
1%
NON_PD_+3.5V
R513
R513
8.2K
1%
1%
PD_24V
R510
R510
1.5K
1%
1%
PD_24V
R511
R511
0 . 0 1 u F
50V
C550
22uF
10V
C534
22uF
10V
C535
AON7430
Q503
3
S_3
2
S_2
4
G
1
S_1
5
D
AON7200
Q508
3
S_3
2
S_2
4
G
1
S_1
5
D
L505
1uH
THERMAL
AP7173-SPG-13 HF(DIODES)
IC508
3
VCC
2
PG
4
EN
1
IN
5
GND
6
SS
7
FB
8
OUT
9
[ E P ]
THERMAL
TPS40192DRCR
IC501
3
COMP
2
FB
4
VDD
1
ENABLE
5
PGD
6
BP5
7
LDRV
8
BOOT
9
SW
10
HDRV
11
EP_GND
12K
R564
12K
R563
AOZ1073AIL-3
IC506
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
AOZ1073AIL-3
IC507
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
100pF
50V
C504
1K
R503
1/16W
3.6K
1%
R571
56K
1%
1%
R545
NCP803SN293
IC502
NON_PD_+3.5V
1
GND
3
VCC
2
RESET
NCP803SN293
IC503
1
GND
3
VCC
2
RESET
0.9V_CORE_FB
0.9V_CORE_FB
DUAL COMPONENT
+1.5V_DDR
E r r _ o u t
PANEL_POWER
Q502
R1
+2.5V_BCM35230
+3.3V_NORMAL
22
LED:GND
FROM LIPS & POWER B/D
IC502,IC503
Max 960 mA
R2
INV_ON
20
V o u t = 0 . 8 * ( 1 + R 1 / R 2 )
R1
Q501,Q504,
Q505,Q506
PWM_DIM
R2
E r r _ o u t
S w i t c h i n g f r e q : 5 0 0 K
PIN No
R2
+5V_USB+WIFI
A-DIM
58
R1
V o u t = 0 . 5 9 1 * ( 1 + R 1 / R 2 )
V o u t = 0 . 6 * ( 1 + R 1 / R 2 )
Placed on SMD-TOP
OS Module OPT
5
15V-->3.6V
V o u t = 0 . 8 * ( 1 + R 1 / R 2 )
CMO(09)
<OS MODULE PIN MAP>
24
1ST : EAN61151001, 2ND : EAN60670101
20V-->3.5V
TYP 1450mA
LGD
R2
1ST : 0TRIY80001A 2ND : 0TR387500AA
Power_DET
PWM_DIM
S w i t c h i n g f r e q : 5 0 0 K
AUO
3A
A-DIM
GND
ST_3.5V-->3.5V
CHECK PWR/MODULE PIN MAP
Max 7350 mA
Placed on SMD-TOP
INV_ON
MAX 2.8A
PWM_DIM
PWM_DIM
n o t t o R E S E T a t 8 k V E S D
V o u t = 0 . 8 * ( 1 + R 1 / R 2 )
3A
R1
INV_ON
MAX 1A
TEST
Vout=0.8*(1+R1/R2)
NC
S w i t c h i n g f r e q : 5 0 0 K
24V-->3.48V
2A
1ST : EBK60752501, 2ND : EBK61011501
SHARP
Placed on SMD-TOP
Max 800mA
E r r _ o u t
12V-->3.58V
Q507
INV_ON
S w i t c h i n g f r e q : 6 0 0 K
BCM35230
POWER
R2
R1
1ST : 0TRIH80004A, 2ND : EBK61012501, 3RD : 0TR102009AM
MAX 1.9A
4A
18
+5V_Normal
+0.9V_CORE_BCM35230
V4:VBR-A
V5:NC
# 1 6 / # 2 0 / # 2 3
LD - GND OR USE
LE(N.L.D.) - OPEN
LE(N.L.D.) - OPEN
L E ( L . D . ) - U S E
R2
R1
V o u t = 0 . 8 * ( 1 + R 1 / R 2 )
1.5A
Click on the first or last page to see other 55LW5600 (CHASSIS:LA12C) service manuals if exist.