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LG 55EF950 Series Service Manual page 45

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[EG92 ONLY] PWR
+3.5V_ST
+3.5V_ST
R2389
RL_ON
10K
R2390
10K
DPC_CTRL
+3.5V_ST
L2395
UBW2012-121F
C2395
0.1uF
16V
UBW2012-121F
+12V
L2396
UBW2012-121F
C2394
0.1uF
D2399
50V
L2397
PTVS13VS1UR
23.2V
L/D_DI
PANEL_CTL
L/D_CLK
L/D_VSYNC
PWM_DIM
PWM_DIM2
+3.3V - eMMC
+3.3V_NORMAL
+1.8V
3.3V_EMMC
DVDD18_EMMC
L2304
L2305
PZ1608U121-2R0TF
PZ1608U121-2R0TF
C2308
C2307
C2309
C2312
0.1uF
0.1uF
22uF
22uF
16V
16V
10V
10V
+1.8V - LM15U, eMMC
& Vx1 pull-up
+1.8V
+3.3V_NORMAL
IC2301
AZ1117EH-ADJTRG1
IN
OUT
R2309
ADJ/GND
1
C2310
C2311
10uF
10uF
10V
10V
+3.3V_NORMAL
+12V
L2300
BLM18PG121SN1D
Placed on SMD-TOP
C2303
C2300
C2301
10uF
10uF
0.1uF
16V
16V
16V
IC2302
OPT
TPS54427DDA
[EP]GND
R2303
10K
EN
VIN
1
8
16V
POWER_ON/OFF2_1
0.1uF
1%
C2314
VFB
VBST
2
7
PS064T-2R2MS
R1
R2302
L2306
2.2uH
51K
VREG5
SW
3
6
C2305
100pF
50V
SS
GND
4A
C2326
4
5
22uF
R2305
15K
C2306
C2313
1uF
0.015uF
10V
50V
1%
R2
Switching freq: 700K
Vout=0.765*(1+R1/R2)
+12V
C2396
C2397
C2398
10uF
10uF
10uF
16V
16V
16V
+3.3V_NORMAL
P2399
R2394
SMAW200-H24S5
1K
R2393
INV_CTL
PWR ON
INV CTL
22
1
2
0
DPC
PDIM#2
3
4
OLED_AC_DET
3.5V
GND
5
6
PD_OLED_AC
PD_OLED_AC
R2392
R2395
3.5V
3.5V
7
8
22K
GND
GND
1%
9
10
100
12V
12V
11
12
R2300
PANEL_CTL
12V
12V
13
14
12V
GND
L2398
15
16
+24V
GND
12V_ON
UBW2012-121F
17
18
24V
24V
19
20
24V
24V
C2399
21
22
L2399
UBW2012-121F
0.1uF
GND
GND
23
24
50V
25
+12V
DDR +1.5V
L2309
POWER_ON/OFF2_3
PZ1608U121-2R0TF
+3.3V_NORMAL
C2324
C2322
ROHM_BD9D321_1.5V_DDR_DCDC
0.1uF
10uF
16V
R2326
BD9D321EFJ
10K
EN
1
R2320
R2321
FB
2
R1
18K
4.7K
1%
1%
VREG
3
C2325
100pF
1.0V_DCDC_TI
50V
SS
C2332-*1
4
3300pF
R2322
50V
22K
C2328
C2332
1%
1uF
2200pF
10V
50V
1.0V_DCDC_ROHM
R2
Switching freq: 700K
Vout=0.765*(1+R1/R2)=1.554V
+2.5V
TU_JP
R2312
TJ4220GDP-ADJ
POWER_ON/OFF2_3
10K
TU_JP
C2321
1
0.1uF
+3.3V_NORMAL
NC_1
2
EN2
3
TU_JP
VIN3
C2320
0.1uF
4
16V
NC4
EAN62206201
MAX
A
Vout=0.6*(1+R1/R2)
+3.3V_NORMAL
+24V AUDIO AMP
+24V
+24V_AMP
L2310
UBW2012-121F
C2329
C2333
C2334
22uF
100uF
10uF
10V
10V
10V
DCDC_DIODE_0DR050008AA(SEMTECH)
0DR050008AA
ZD2300-*1
Power_DET
12V_ON,PAENL_CTL IS FOR OLED QSM
OLED_AC_DET
OLED_AC_DET
+5.0V normal & USB
+1.5V_DDR
+12V
TI_TPS54327_1.5V_DDR_DCDC
IC2303-*1
TPS54327DDAR
[EP]GND
L2314
EN
1
8
VIN
120-ohm
VFB
VBST
IC2303
2
7
VREG5
SW
VIN_1
[EP]
3
6
SS
GND
VIN_2
4
5
VIN
8
C2340
C2341
C2344
VIN_3
0.1uF
16V
10uF
10uF
50V
0.1uF
PGND_1
35V
35V
BOOT
C2336
7
OPT
PGND_2
L2312
2.2uH
PGND_3
SW
6
PS064T-2R2MS
DCDC_DIODE
GND
3A
5
C2338
C2339
ZD2302
22uF
22uF
2.5V
10V
10V
C2346
0.0068uF
50V
TU_JP
+2.5V_Normal
IC2300
[EP]GND
TU_JP
R2316
R2
8
22K
1%
GND
TU_JP
7
R2317
R1
47K
ADJ/SENSE
1%
6
VOUT
2A
5
TU_JP
NC_2
TU_JP
C2323
ZD2301
10uF
10V
0DR050008AA
5V
0DTKE00018A
TU_JP_DCDC_DIODE(KEC)
ZD2301-*1
RESET_IC_DIODES(MAIN)
IC2307-*1
APX803E29
VCC
3
PD_20_24V_DIODES
+12V
+3.5V_ST
IC2308-*1
R2349
+3.5V_ST
100K
APX803D29
PD_+12V
PD_+3.5V
RESET_IC_ROHM(SUB)
R2354
RESET
2
R2335
R2343
10K
IC2307
2.7K
0
1
OPT
BD48K28G
1%
5%
POWER_DET
VDD
VOUT
3
2
1
C2350
PD_+12V
0.1uF
GND
R2336
16V
1.2K
C2364
1%
0.1uF
16V
PD_20_24V
not to RESET
+24V
R2348
at 8kV ESD
100K
C2365
PD_20_24V_ROHM
0.1uF
PWR_DET_SEPARATE
IC2308
PD_20V
PD_24V
16V
PD_UHD_24V
R2340-*2
R2340-*1
R2340
BD48K28G
5.6K
8.2K
9.1K
1%
1%
R2356
1%
POWER_DET_1
0
VDD
VOUT
3
2
PWR_DET_SEPARATE
1
PD_20V
PD_24V
PD_UHD_24V
C2351
GND
R2341-*1
R2341
0.1uF
R2341-*2
24V-->3.48V
1.3K
1.5K
1.6K
16V
1%
1%
20V-->3.51V
1%
PD_20_24V
12V-->3.58V
ST_3.5V-->3.5V
R2
C2347
OPT
2200pF
C2349
C2352
50V
100pF
0.047uF
R2344
50V
25V
10K
C2359
C2362
C2363
22uF
22uF
10uF
C2357
R1
10V
10V
10V
82pF
50V
LX_3
1
21
L2313
THERMAL
4.7uH
LX_2
2
29
20
3
19
LX_1
C2355
0.047uF
+5V_NORMAL
IC2305
BST
25V
4
18
SN1302001(TPS65286RHDR)
SW_IN2
5
17
C2360
SW_IN1
6
16
1uF
DCDC_DIODE_0DR050008AA(SEMTECH)
6A
10V
0DR050008AA
V7V
NFAULT1
7
15
ZD2304-*1
Vout=0.6*(1+R1/R2)
5.1V:R1-51K, R2-6.8K
LM15 Power SEQUENCE
POWER_ON/OFF1(5V)
POWER_ON/OFF2_1(3.3V)
POWER_ON/OFF2_3(1.5V, 2.5V)
POWER_ON/OFF2_4(1.1V)
RESET
2
1
GND
EAN61829902
3
VCC
GND
LGE Internal Use Only

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