LG OLED65B6T Service Manual

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.
PWR_2
2015-06-13
25
K2L
L/D_VSYNC
L/D_CLK
L/D_DO
PANEL_CTL
R2521
100K
PD_24V
RL_ON
+13V
+13V
INV_CTL
R2512
100
IC2502
BD48K28G
1
GND
2
VOUT
3
VDD
+5V_NORMAL
L2503
UBW2012-121F
R2518
8.2K
1%
PD_24V
+3.5V_ST
R2520
100
1/16W
5%
C2508
0.1uF
50V
C2512
0.1uF
50V
C2514
10uF
35V
C2517
0.1uF
16V
R25070
UHD_LCD
OLED_AC_DET
L/D_DO
PWM_DIM
D2501 23.2V PTVS13VS1UR
IC2501
BD48K28G
PD_24V_ROHM
1
GND
2
VOUT
3
VDD
R2503
10K
L2506
UBW2012-121F
L/D_CLK
C2515
0.1uF
50V
R2501
10K
A13V
R2502
10K
OPT
L/D_VSYNC
+3.3V_NORMAL
+3.5V_ST
DPC_CTL
+3.3V_NORMAL
R2518-*1
9.1K
1%
PD_UHD_24V
R2517
100
OPT
Q2502 MMBT3906(NXP)
1
2
3
R2508
100
R2519-*1
1.6K
1%
PD_UHD_24V
L2505
UBW2012-121F
L2504
UBW2012-121F
R2506
10K
R2519
1.5K
1%
PD_24V
C2507
10uF
25V
MODE_SELECT
P2500
SMAW200-H24S5
19
12V
14
12V
9
12V
4
24V
18
12V
13
12V
8
12V_ON
3
24V
17
12V
12
12V
7
GND
2
GND
16
GND
11
12V
6
24V
1
GND
20
GND
15
GND
10
GND
5
24V
21
PDIM#1
22
PDIM#2
23
PWR ON
24
INV CTL
25
A13V
R2516
0
POWER_DET
C2510
10uF
25V
OLED_AC_DET
L2507
UBW2012-121F
R2522
100K
PANEL_VCC
R2513
1K
C2511
10uF
25V
OLED_AC_DET
R2509
0
PD_OLED_AC
R2514
1K
C2516
0.1uF
16V
PD_24V
PWM_DIM
DPC_CTL
R2515
100K
PD_OLED_AC
1%
POWER_ON/OFF1
C2502
0.0068uF
50V
ZD2500
5V
C2521
0.1uF
25V
IC2500
BD86106EFJ
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
SW_1
8
SW_2
9
[EP]
C2504
10uF
10V
R2505
10K
+5V_NORMAL
C2506
10uF
10V
C2501
1500pF 50V
C2509
10uF
10V
C2513
10uF
10V
+13V
C2503
10uF
10V
C2500
10uF
25V
R2504
20K
L2500
UBW2012-121F
R2511
27K
1%
L2501
4.7uH
R2510
4.87K
1%
’16 B6 OLED POWER
For Protecting flowing different current
LCD L/D PORT
OLED_Power_DET
12V_ON, PANEL_CTL IS FOR OLED QSM
ST_3.5V-->3.5V
24V-->3.48V
12V-->3.58V
Because of each Bead’s DCR
20V-->3.51V
13V = 12V
A13V = 24V
6A
+5V_NORMAL
Vout=0.8*(1+R1/R2)
R1
R2
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Only for training and service purposes
LGE Internal Use Only

LG OLED65B6T Specifications

General

Brand	LG
Model	OLED65B6T
Category	OLED TV
Language	English