THERMAL
THERMAL
THERMAL
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.
LM15U_PWR_1_UHD
2014-00-01
07
LM15U
POWER_ON/OFF1
L2321
MLB-201209-0120P-N2
+3.3V_NORMAL
C2337
47pF
50V
IC2308-*1
APX803D29
PD_20_24V_DIODES
1
GND
3
VCC
2
RESET
C2341
10uF
35V
R2341-*2
1.6K
1%
PD_UHD_24V
R2353
100K
1/16W
5%
C2331
0.01uF
50V
C2356
10uF
10V
OPT
R2349
100K
C2362
22uF
10V
C2302
0.1uF
16V
R2338
10K
C2327
10uF
25V
OPT
C2354
10uF
10V
OPT
USB_CTL1
+12V
IC2301
AZ1117EH-ADJTRG1
ADJ/GND
OUTIN
C2368
10uF
25V
OPT
C2353
10uF
10V
OPT
C2309
22uF
10V
C2334
100uF
R2340-*2
9.1K
1%
PD_UHD_24V
C2355
0.047uF
25V
R2309
1
C2343
1uF
25V
R2304
100
L2315
UBW2012-121F
DIGITAL_POWER_B/D
3.3V_EMMC
C2323
0.1uF
16V
OPT
R2341-*1
1.3K
1%
PD_20V
R2350
100K
1/16W
5%
L2302
UBW2012-121F
R2308
33
1/16W
1%
C2346
0.0068uF
50V
IC2300
BD86106EFJ
EAN62653301
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
SW_1
8
SW_2
9
[EP]
IC2305
SN1302001(TPS65286RHDR)
1
VIN_1
3
VIN_3
7
V7V
9
EN
10
SW_OUT2
11
SW_OUT1
12
SW_EN2
13
SW_EN1
14
NFAULT2
15
NFAULT1
16
SW_IN1
17
SW_IN2
18
BST
19
LX_1
20
LX_2
21
LX_3
22
SS
23
FB
24
COMP
25
RLIM
26
RSET1
27
RSET2
28
AGND
5
PGND_2
8
MODE/SYNC
6
PGND_3
4
PGND_1
2
VIN_2
29
[EP]
+3.3V_NORMAL
L2303
UBW2012-121F
DVDD18_EMMC
L2311
2uH
R2343
0
5%
PD_+3.5V
C2349
100pF
50V
OPT
C2310
10uF
10V
R2344
10K
C2304
0.1uF
50V
L2317
UBW2012-121F
NON_DIGITAL_POWER_B/D
C2312
22uF
10V
POWER_ON/OFF2_4
R2336
1.2K
1%
PD_+12V
/USB_OCD1
R2313
100
ZD2303
2.5V
DCDC_DIODE
C2357
82pF
50V
C2316
10uF
16V
L2316
UBW2012-121F
NON_DIGITAL_POWER_B/D
C2307
0.1uF
16V
R2325
10K
R2340
8.2K
1%
PD_24V
C2340
10uF
35V
OPT
R2311 100
R2339 16K 1%
R2300
10K
+12V
R2341
1.5K
1%
PD_24V
L2308
UBW2012-121F
+5V_USB_1
+24V
LD2300
3.3V_LED
+3.3V_NORMAL
+5V_NORMAL
+3.5V_ST
C2326
0.1uF
16V
C2330
0.1uF
25V
C2360
1uF
10V
+12V
C2320
10uF
16V
+24V
R2360
2K
OPT
USB_CTL2
C2319
0.1uF
50V
POWER_DET
+12V
INV_CTL
R2352
51K
1/16W
1%
+3.5V_ST
R2324
6.8K
C2365
0.1uF
16V
PWR_DET_SEPARATE
+24V
PWM_DIM
R2335
2.7K
1%
PD_+12V
R2329
10K
C2359
22uF
10V
C2317
10uF
16V
+3.3V_NORMAL
+12V
L2322
MLB-201209-0120P-N2
R2359
2K
OPT
C2352
0.047uF
25V
RL_ON
R2354
10K
OPT
L2307
UBW2012-121F
C2363
10uF
10V
L2301
UBW2012-121F
R2348
100K
PD_20_24V
C2367
10uF
25V
OPT
R2342150K 1%
R2301
10K
C2321
10uF
16V
C2364
0.1uF
16V
C2335
10uF
25V
OPT
R2314
1K
POWER_DET_1
/USB_OCD2
PWM_DIM2
R2328
10K
R2355
0
PWR_DET_MERGE
C2318
10uF
16V
R2307
75
1/16W
1%
C2369
10uF
25V
OPT
R2340-*1
5.6K
1%
PD_20V
C2329
0.0068uF
50V
IC2307-*1
APX803D29
RESET_IC_DIODES
1
GND
3
VCC
2
RESET
C2370
0.1uF
25V
+1.8V
C2308
0.1uF
16V
+3.5V_ST
R2337 16K 1%
+3.5V_ST
C2311
10uF
10V
PANEL_CTL
L2313
4.7uH
C2344
0.1uF
50V
R2356
0
PWR_DET_SEPARATE
C2347
2200pF
50V
R2331
1.8K
IC2307
BD48K28G
RESET_IC_ROHM
1
GND
2
VOUT
3
VDD
+5V_USB_2
C2351
0.1uF
16V
PD_20_24V
PANEL_VCC
+1.8V
C2333
10uF
10V
C2350
0.1uF
16V
R2351
6.8K
1/16W
1%
IC2308
BD48K28G
PD_20_24V_ROHM
1
GND
2
VOUT
3
VDD
C2328
1uF
10V
+12V
R2322
22K
1%
C2339
22uF
10V
C2332
2200pF
50V
1.0V_DCDC_ROHM
C2324
0.1uF
+1.5V_DDR
C2332-*1
3300pF
50V
1.0V_DCDC_TI
C2322
10uF
16V
C2325
100pF
50V
IC2303-*1
TPS54327DDAR
TI_TPS54327_1.5V_DDR_DCDC
3
VREG5
2
VFB
4
SS
1
EN
5
GND
6
SW
7
VBST
8
VIN
9
[EP]GND
R2326
10K
C2338
22uF
10V
POWER_ON/OFF2_3
C2336
0.1uF
16V
ZD2302
2.5V
DCDC_DIODE
R2320
18K
1%
IC2303
BD9D321EFJ
ROHM_BD9D321_1.5V_DDR_DCDC
3
VREG
2
FB
4
SS
1
EN
5
GND
6
SW
7
BOOT
8
VIN
9
[EP]
Q2300-*1 MMBT3906(NXP)
NXP_RL_ON_TR
1
2
3
Q2300 2N3906S-RTK
KEC_RL_ON_TR
1
2
3
IC2309
AO4447A
AOS_PANEL_POWER_FET
3
S_3
2
S_2
4
G
1
S_1
5
D_1
6
D_2
7
D_3
8
D_4
IC2309-*1
RRH140P03TB
ROHM_PANEL_POWER_FET
3
S_3
2
S_2
1
S_1
4
G
5
D_1
6
D_2
7
D_3
8
D_4
L2304
PZ1608U121-2R0TF
L2305
PZ1608U121-2R0TF
L2309
PZ1608U121-2R0TF
L2310
PZ1608U121-2R0TF
L2314
120-ohm
Q2321-*1
MMBT3904(NXP)
NXP_PANEL_CTL_TR
E
B
C
L2312
2.2uH
PS064T-2R2MS
R2315
3.3K
3.3V_LED
R2321
4.7K
1%
Q2321
2N3904S
KEC_PANEL_CTL_TR
E
B
C
L/D_CLK
L/D_DI
L/D_VSYNC
C2315
1uF
25V
OPT
C2371
10uF
10V
C2314
10uF
10V
R2303
10K
C2303
0.1uF
16V
OPT
R2305
1.5K
1%C2358
47pF
50V
OPT
C2305
0.1uF
16V
C2342
100uF
IC2302
BD86106EFJ
EAN62653301
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
SW_1
8
SW_2
9
[EP]
L2306
2uH
C2306
0.0068uF
50V
R2306
30K
1%
C2300
10uF
16V
POWER_ON/OFF2_1
C2348
10uF
10V
OPT
+12V
C2313
10uF
10V
OPT
C2345
10uF
10V
OPT
R2310
10K
1%
C2301
10uF
16V
R2302
20K
+3.3V_NORMAL
L2300
BLM18PG121SN1D
Q2301-*1
2N7002K
DIODEDS_CPU_CORE_VID_FET
S
D
G
R2316
0 5%
+1.1V_VDDC_CPU
+3.3V_NORMAL
Q2301
2N7002KA
KEC_CPU_CORE_VID_FET
G
D
S
CPU_VID0
R2312
10K
R2319
10K
Q2302
2N7002KA
KEC_CPU_CORE_VID_FET
G
D
S
CPU_VID1
R2323
0 5%
Q2302-*1
2N7002K
DIODEDS_CPU_CORE_VID_FET
S
D
G
ZD2301
5V
DCDC_DIODE
+3.3V_NORMAL
R2332
15K
1%
R2334
43K
1%
R2333
13K
1%
R2327
20K
1%
R2317
20K
1%
R2330
200K
1%
R2318
200K
1%
P2300
SM
AW200-H24S5[MIRROR]
19
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
20
15
10
5
21 22
23 24
25
P2301
SMAW200-H28S5K[MIRROR]
19
24V
14
12V
9
GND
4
PDIM#2
18
24V
13
12V
8
3.5V
3
PDIM#1
17
GND
12
12V
7
3.5V
2
INV_CTL
16
GND
11
12V
6
GND
1
PWR_ON
20
24V
15
12V
10
GND
5
3.5V
21
24V
22
GND or 24V
23
GND
24
NC or GND
25
L/D_CLK
26
GND
27
L/D_DI
28
L/D_VSYNC
29
.
ZD2304
DCDC_DIODE
ZD2300
DCDC_DIODE
R1
+5.0V normal & USB
R2
5.1V:R1-51K, R2-6.8K
6A
MAX 2.7A
TYP 6000mA
POWER_ON/OFF1(5V)
PANEL_POWER
POWER_ON/OFF2_3(1.5V, 2.5V)
’15 UHD POWER
POWER_ON/OFF2_4(1.1V)
+1.8V - LM15U, eMMC
& Vx1 pull-up
POWER_ON/OFF2_1(3.3V)
LM15 Power SEQUENCE
Placed on SMD-TOP
12V-->3.58V
+1.1V or +1.15V _CPU CORE
20V-->3.51V
24V-->3.48V
Vout=0.8*(1+R1/R2)
ST_3.5V-->3.5V
not to RESET
at 8kV ESD
Power_DET
6A
+3.3V - eMMC
Vout=0.6*(1+R1/R2)
3A
Vout=0.765*(1+R1/R2)=1.554V
R2
DDR +1.5V
Switching freq: 700K
R1
LGE MODULE
OS MODULE
OS MODULE
NC
Digital Power B/D
40 ~ 65
24V
24 PININCH
70 ~ 79
GNDX
GND
22 PIN
O
OS MODULE
6A
R1
R2
Vout=0.8*(1+R1/R2)
MAX A
+3.3V_NORMAL
Placed on SMD-TOP
R2-1.1V
R1:15K/R2:56K//240K, V=1.05V(CPU_VID0=L,CPU_VID1=H) Voltage drop 0.01V
R1:15K/R2:56K//240K, V=1.05V(CPU_VID0=H,CPU_VID1=L) Voltage drop 0.01V
R1
R1:15K/R2:56K, V=1.00V(CPU_VID0=L,CPU_VID1=L) Voltage drop 0.01V
R2-1.13V
R2
R2-1.13V
R1:15K/R2:56K//240K//240K, V=1.10V(CPU_VID0=H,CPU_VID1=H) Voltage drop 0.01V
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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