LG 65UH8500 Service Manual page 43

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.
Copyright 2015 LG Electronics Inc. All rights reserved.
Only for training and service purposes
+3.3V_NORMAL
R1001
1K
INV_CTL
INV_CTL 100 R1003
L/DIM0_VS_F16
INV_CTL
MODE_SELECT
+3.5V_ST
R1002
10K
R1000
RL_ON
10K
Q1000
2N3906S-RTK
24V
12V_OR_D13
GND
P1002 PWR_WAFER_18P
SMAW200-H18S5
PWR_WAFER_28P
P1001
SMAW200-H28S5K
PWR_WAFER_12P
P1000
SMAW200-H12S5K(BK)(LTR)
1 1 2 2
L/DIM0_MOSI_F16
3 3 4 4
R1006 L/DIM0_SCLK_F16
5 5 6 6
PWM_DIM
7 7 8 8 100
9 9 10 10
11 11 12 12
L1002
13 13 14 14 C1002 C1004
UBW2012-121F
0.1uF 4.7uF
15 15 16 16
50V 50V
17 17 18 18 R1008
19 20
100
PWM_DIM2
21 22
19
23 24
25 26
27 28
UBW2012-121F
29 C1000 C1001 C1003
L1001
0.1uF 4.7uF 10uF
25V 50V 25V
UBW2012-121F
L1000
+3.3V_NORMAL
+3.3V_NORMAL
R1009
11K
DEBUG_LED
28pin power pin map
12/24V multi power + local dimming
Pin Signal Pin Signal
1 VSYNC 2 SIN
3 GND 4 SCLK
5 DRVON 6 PDIM1
7 GND 8 GND
9 A13 10 A13
11 D13 12 D13
A13V
13 GND 14 D13
15 PWR-ON 16 PDIM2
C1006
10uF
17 GND 18 GND
35V
19 GND 20 GND
21 D13 22 D13
23 GND 24 GND
+13V 25 A13 26 A13
27 A13 28 A13
A13 : 12V
C1005
10uF D13 : 24V
25V
C
B
E
Power Wafer (UH80) 15/06/13
LGE Internal Use Only