LG 55UB8500-UA Service Manual page 34

+3.5V_ST
R2300
RL_ON 10K
L2304
+3.5V_ST
UBW2012-121F PWM_DIM
C2307
0.1uF
16V
+12V
UBW2012-121F
C2306 L2303
0.1uF
UBW2012-121F
50V
L2312
'14 UHD POWER
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 ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
+3.3V_NORMAL
P13002
R2310
SMAW200-H24S5
1K
R2309
INV_CTL
PWR ON INV CTL 100
1 2
PDIM#1 PDIM#2
3 4
PWM_DIM2
3.5V GND
5 6
3.5V 3.5V
7 8
GND GND
9 10
12V 12V
11 12
12V 12V
13 14
L2306
12V GND
15 16
UBW2012-121F
GND 24V
17 18
24V 24V
19 20
L2315
24V 24V
21 22
UBW2012-121F
GND GND
23 24
25
+12V
C2352
10uF
16V
+12V
PANEL_POWER
L2313
L2314
MLB-201209-0120P-N2
MLB-201209-0120P-N2
C2317
10uF
25V
OPT
R2317
10K
PANEL_CTL
+24V
C2316
0.1uF
50V
C2354
C2357
10uF 10uF
16V
16V
C2330
C2322
0.1uF 0.01uF
50V Q2302
25V AO4423
S1 D4
1 AO4423 8
S2 D3
C2331 C2333
R2318 2 7
10uF 10uF
10K S3 D2
3 6
25V 25V
G D1
4 5
R2324
1.8K
C2334
C 10uF
25V
B Q2301
OPT
2SC3052
E
TYP 6000mA
PANEL_VCC
R2329 R2332
C2336
C2339
2K 2K
10uF
0.1uF
OPT OPT
25V
25V
OPT
Q2302-*1
AO4447A
S_1 D_4
1 8
AO4447
S_2 D_3
2 7
S_3 D_2
3 6
G D_1
4 5
LGE Internal Use Only