LG FLATRON 29UM68 - SCHEMATICS (Continued); 29-inch and 34-inch LED Driver Schematics

THERMAL
THERMAL
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
C542
1uF
50V
READY
C535
2.2uF
25V
34inch
C534
68pF
50V
READY
R501
510K
1/8W
1%
JP507
WLED_ENABLE
JP509
R525
100K
READY
R536
47K
34inch
P500
12507WR-06L
1 2 3 4 5 6
7
R539
200K
1%
34inch
JP504
+5V_STANDBY
C506
0.1uF
50V
+3.3V_NORMAL
R549
100K
34inch
R530
510K
1/8W
1%
34inch
L504
BLM18PG121SN1D
34inch
R510
200K
1%
R545
51K
34inch
C523
33uF
100V
-55TO+105C
C525
0.1uF
16V
34inch
C543
1uF
50V
READY
C524
1000pF
50V
34inch
C517
4700pF
50V
C510
68pF
50V
READY
C538
2.2uF
25V
READY
JP508
L501
BLM18PG121SN1D
C527
0.1uF
50V
34inch
R526
100K
READY
R522
1K
R555
100K
READY
C545
33uF
100V
-55TO+105C
34inch
R519
100K
C500
1000pF
50V
+19V
C514
2.2uF
25V
READY
L502
33uH
JP510
C521
0.47uF
50V
R502
100
L505
33uH
34inch
C522
33uF
100V
-55TO+105C
R531
100
34inch
C501
0.1uF
16V
+19V
JP500
D501
100V
BR210
34inch
C504
1uF
25V
JP502
R505
20K
1%
JP505
C529
1uF
25V
34inch
R552
1K
34inch
JP501
R534
20K
1%
34inch
JP503
+19V
WLED_ADIM
JP511
R554
100K
READY
R553
270
1%
34inch
R544
0
34inch
R533
9.1K
1/8W
1%
34inch
C541
4700pF
50V
34inch
D500
100V
BR210
C520
1uF
50V
READY
C513
0.1uF
16V
JP506
C503
0.1uF
50V
C530
0.1uF
50V
34inch
R507
47K
+19V
WLED_ENABLE
C544
0.47uF
50V
34inch
WLED_ADIM
+19V
C546
33uF
100V
-55TO+105C
34inch
R516
51K
R514
100K
READY
C528
1uF
25V
34inch
C536
0.1uF
16V
READY
C505
1uF
25V
+5V_STANDBY
C540
10uF
10V
READY
R515
0
R543
100K
READY
C532
2.2uF
25V
READY
Q501
AOD2922
G
D
S
C537
0.1uF
16V
34inch
P501
12507WR-06L
34inch
1 2 3 4 5 6
7
R504
9.1K
1/8W
1%
Q503
AOD2922
34inch
G
D
S
R524
270
1%
C519
1uF
50V
READY
C539
10uF
10V
34inch
R518
33
R546
33
34inch
R513
100
R542
100
34inch
R506
4.7K
1%
R509
5.1K
1%
R535
4.7K
1%
34inch
R538
5.1K
1%
34inch
IC501
MP3378
34inch
3
ISET
2
OSC
4
ADIM
1
GND
6
LED3
5
LED4
7
LED2
8
LED1
9
OVP
10
NC_1
11
NC_2
12
FB
13
AAM
14
VCC2
15
VIN2
16
SW_1
17
GND2_1
18
GND2_2
19
AGND
20
BST
21
SYNC
22
ISENSE
23
GATE
24
VIN1
25
VCC1
26
COMP
27
EN
28
PWM
29
[EP]GND
IC500
MP3378
3
ISET
2
OSC
4
ADIM
1
GND
6
LED3
5
LED4
7
LED2
8
LED1
9
OVP
10
NC_1
11
NC_2
12
FB
13
AAM
14
VCC2
15
VIN2
16
SW_1
17
GND2_1
18
GND2_2
19
AGND
20
BST
21
SYNC
22
ISENSE
23
GATE
24
VIN1
25
VCC1
26
COMP
27
EN
28
PWM
29
[EP]GND
WLED_PDIM WLED_PDIM
R520
75K
1%
R521
14K
1%
+5V_STANDBY
R547
10K
READY
R548
10K
READY
R550
18K
1%
34inch
R551
5.6K
1%
34inch
R517
100K
READY
+19V
C531
10uF
10V
34inch
R523
15K
READY
C515
10uF
10V
C516
10uF
10V
READY
C518
5.6V
READY
C511
0.1uF
50V
READY
ZD501
5V
34inch
C509
0.1uF
16V
C533
0.1uF
16V
34inch
C547
0.1uF
Motion 60HzWLED_PDIM_B
WLED_PDIM_A
+3.3V_NORMAL
WLED_PDIM
R527
0.075
1W
1%
R556
0.075
1W
1%
R500
0
L500
10uH
L503
10uH
34inch
R537
0
R532
0
READY
LED_6
LED_5
LED_3
LED_2
LED_1
LED_6
LED_1
LED_5
LED_2
LED_3
R503
0
READY
R512
0
READY
R528
0
READY
R508
0
READY
R529
0
READY
IC502
TOSHIBA ELECTRONICS KOREA CORPORATION
Motion 60Hz
3
GND
2
IN_A
4
OUT_Y
1
IN_B
5
VCC
C512
4.7uF
25V
C508
4.7uF
25V
C507
4.7uF
25V
6LED Driver 5
Switching Frequency set : 306KHZ
29 inch LED Driver + DC-DC
OCP Setting
High : 1.5V
LED Current : 100mA
OVP Setting : 70V
Switching Frequency set : 306KHZ
34 inch LED Driver + DC-DC
High : 1.5V
OVP Setting : 70V
Setting: 3.37V(=0.8(1+18K/5.6K)
LED Current : 100mA
OCP Setting
Curent ==> X5R Type.
Setting: 5.08V(=0.8(1+75K/14K)
100pF -> 0.1uF
2015.04.20 HK Cho 2015.04.20 HK Cho
100pF -> 0.1uF
Motion 60Hz
1. Normal mode
- WLED_PDIM_A(PWM2): Active
- WLED_PDIM_B(PWM9): Disable
2. Motion 60Hz mode
- WLED_PDIM_A(PWM2): Active(duty 33%)
- WLED_PDIM_B(PWM9): Active(duty 5%)
(PWM9)
(PWM2)
2015.05.09
Idc : 3.4A
Idc : 3.4A