Samsung 42LW5700, Service Manual

Page: 32 / 108

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.
R524
0
POWER_24_GND
R552
10K
OPT
L503
MLB-201209-0120P-N2
C510
0.01uF
50V
R558-*1 22K
5V_PANEL
A_DIM
+2.5V_BCM35230
0 R540
NON_OPC/NON_IOP
PWM_DIM_22
+3.5V_ST
C519
0.1uF
50V
C503
10uF
16V
+12V
+0.9V_CORE
Q502
RT1P141C-T112
1
2
3
R543
6.8K
OPT
C513
0.1uF
16V
C530
3300pF
50V
R547
10K
PANEL_VCC
+3.3V_Normal
R554
10K
OPT
A_DIM_20
POWER_ON/OFF2_1
C558
0.1uF
16V
OPT
C532
0.1uF
16V
OPT
R575
2K
1/8W
PANEL_DISCHARGE_REG
L509
3.6uH
INV_CTL
R531 0
POWER_20_A_DIM
C546
10uF
16V
A_DIM_20
C507
1000pF
50V
INV_CTL_18
R559 1.8K
12V_PANEL
R535 0
POWER_22_A_DIM
C509
220pF
50V
PANEL_CTL
R566
10K
R522
10K
OPT
R505
6.8K
C560
1uF 25V
OPT
Q504
2SC3052 E
B
C
0 R527
POWER_24_PWM_DIM
0 R526
POWER_22_PWM_DIM
C538
47uF
10V
+5V_Normal
L516
3.6uH
NR8040T3R6N
R520
100
R577 4.7
0.1uF
C533
+12V
R576
2K
1/8W
PANEL_DISCHARGE_REG
+3.5V_ST
L514
BLM18PG121SN1D
R572 10K
1%
C570
22uF
16V
C555
2700pF
+3.5V_ST
C551
0.1uF
50V
+12V
ERROR_OUT_24
L515
3.6uH
NR8040T3R6N
R532
100
POWER_18_INV_CTL
R501
12K
1/16W
1%
C581
0.1uF
16V
3.5V
C557
2200pF
C527
10uF
6.3V
C528
10uF
16V
+24V
A_DIM
C505
10uF
16V
C568
22uF
10V
R502
10K
IC505
AOZ1024DI
EAN60660601
1
PGND
2
VIN
3
AGND
4
FB
5
COMP
6
EN
7
LX
+3.3V_Normal
R542
10K
C522
22uF
10V
0 R538
POWER_20_PWM_DIM
Q501
2SC3052
E
B
C
R567 51K
1%
C508
0.1uF
16V
+5V_USB
C564
100pF
50V
OPT
C516 4.7uF 10V
R578 4.7
L501
MLB-201209-0120P-N2
R544
18K
1%
INV_CTL_18
R551
10K
OPT
R536 10K
+3.5V_ST
R515
0
5%
PD_+3.5V
POWER_ON/OFF2_1
C559
0.1uF
16V
OPT
C524
47uF
10V
OPT
R533
0
POWER_18_A_DIM
C565
100pF
50V
OPT
C531
1uF
R558
10K
12V_PANEL
R565
10K
C563
0.1uF
50V
+3.3V_Normal
L506
120-ohm
R507
10K OPT
C525
10uF
10V
R568
1.5K
1%
+12V
L502
BLM18PG121SN1D
+12V
Q506
2SC3052
E
B
C
R570 51K
1%
C567
22uF
10V
L507
BLM18PG121SN1D
C537
50V
OPT
R528
10K
OPT
C571
22uF
16V
OPT
+3.5V_ST
L504
MLB-201209-0120P-N2
PWM_DIM
P502
FW20020-24S
NORMAL_26~55
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
C520
0.1uF
16V
ESD
POWER_ON/OFF2_1
C523
22uF
10V
OPT
ERROR_OUT
+3.5V_ST
R525
13K
R550 10K
1%
Q505
2SC3052
E
B
C
+3.3V_Normal
0 R541
POWER_24_ERROR_OUT
POWER_ON/OFF2_2
C552
10uF
25V
PWM_DIM_22
R555
22K
R508
4.7K
R557
22K
0 R529
POWER_20_ERROR_OUT
R504
2K
R537
100
POWER_24_INV_CTL
POWER_ON/OFF2_2
R559-*1 2.7K
5V_PANEL
R523
4.7K
ERROR_OUT_PULL_UP
L513
BLM18PG121SN1D
R519
100
3.5V
PWM_DIM
IC504
AP2132MP-2.5TRG1
EAN61387601
3
VIN
2
EN
4
VCTRL
1
PG
5
NC
6
VOUT
7
ADJ
8
GND
9
[EP]
+12V
+24V
+5V_Normal
C545
10uF
16V
R549
4.7K
1%
Q507
AO3407A
G
D S
R506
330
L511
MLB-201209-0120P-N2
12V_PANEL
ERROR_OUT_24
R546
1K
+12V
C580
0.1uF
16V
A_DIM
POWER_DET
P501
SMAW200-H24S2
SLIM_32~55
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
C506
0.1uF
50V
R548 27K
1%
R569 10K
1%
RL_ON
R553
47K
C515 0.47uF 25V
+1.5V_DDR
R591
10K
POWER_ON/OFF1
+3.5V_ST
R518 0
POWER_16_GND
C591
0.1uF
16V
C539
10uF
6.3V
C594
22uF
10V
560pF
C593
50V
10uF
C590
10V
L517
BLM18PG121SN1D
L/DIM0_VS
L_VS
R574 0
POWER_16_URSA_SCAN
R573 0
POWER_16_BCM_SCAN
R595
4.3K
1%
R593
3.9K
1%
R592
1K
1%
R510-*3
4.7K
1%
PD_+18.5V
R510-*4
5.6K
1%
PD_+20V
R511-*3
1.21K
1%
PD_+18.5V
R511-*4
1.3K
1%
PD_+20V
R517
100K
R516
100K
3.5V
R512
2.7K
1%
PD_+12V
R513
1.21K
1%
3.5V
R510
8.2K
1%
PD_24V
R511
1.5K
1%
PD_24V
C550
0.01uF
50V
C534
22uF
10V
C535
22uF
10V
Q503
AON7430
3 S_3
2 S_2
4 G
1 S_1
5 D
Q508
AON7200
3 S_3
2 S_2
4 G
1 S_1
5 D
L505
1uH
IC508
AP7173-SPG-13 HF(DIODES)
3
VCC
2
PG
4
EN
1
IN
5
GND
6
SS
7
FB
8
OUT
9
[EP]
IC501
TPS40192DRCR
3
COMP
2
FB
4
VDD
1
ENABLE
5
PGD
6
BP5
7
LDRV
8
BOOT
9
SW
10
HDRV
11
EP_GND
R564
12K
R563
12K
IC506
AOZ1073AIL-3
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
IC507
AOZ1073AIL-3
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
C504
100pF
50V
R503
1K
R571 3.6K 1/16W 1%
R545
56K
1%
IC502
NCP803SN293
3.5V
1
GND
3
VCC
2
RESET
IC503
NCP803SN293
1
GND
3
VCC
2
RESET
DUAL COMPONENT
+1.5V_DDR
Err_out
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
Vout=0.8*(1+R1/R2)
R1
Q501,Q504,
Q505,Q506
PWM_DIM
R2
Err_out
Switching freq: 500K
PIN No
R2
+WIFI
A-DIM
58
R1
Vout=0.591*(1+R1/R2)
Vout=0.6*(1+R1/R2)
Placed on SMD-TOP
OS Module OPT
5
15V-->3.6V
Vout=0.8*(1+R1/R2)
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
Switching freq: 500K
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
not to RESET at 8kV ESD
Vout=0.8*(1+R1/R2)
3A
R1
INV_ON
MAX 1A
TEST
Vout=0.8*(1+R1/R2)
NC
Switching freq: 500K
24V-->3.48V
2A
1ST : EBK60752501, 2ND : EBK61011501
SHARP
Placed on SMD-TOP
Max 800mA
Err_out
12V-->3.58V
Q507
INV_ON
Switching freq: 600K
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
#16/#20/#23
LD - GND OR USE
LE(N.L.D.) - OPEN
LE(L.D.) - USE
R2
R1
Vout=0.8*(1+R1/R2)
1.5A