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+3.5V_ST
UBW2012-121F
C2307
0.1uF
16V
'14 UHD POWER
eMMC POWER
+3.3V_NORMAL
+12V
L2300
BLM18PG121SN1D
C2301
10uF
16V
1.0V_DCDC_TI
C2312-*1
3300pF
50V
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
+3.5V_ST
R2300
RL_ON
10K
+3.3V_NORMAL
P13002
R2310
SMAW200-H24S5
1K
R2309
100
INV_CTL
PWR ON
1
2
INV CTL
L2304
PDIM#1
PDIM#2
PWM_DIM
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
12V
UBW2012-121F
L2306
+24V
12V
GND
15
16
UBW2012-121F
GND
24V
C2306
L2303
17
18
24V
24V
0.1uF
19
20
L2315
C2316
50V
UBW2012-121F
24V
24V
21
22
UBW2012-121F
0.1uF
GND
GND
50V
23
24
L2312
25
+12V
C2352
C2354
C2357
10uF
10uF
10uF
16V
16V
16V
+3.3V_NORMAL OK
3.3V_EMMC
+3.3V_NORMAL
L2302
R2341
BLM18PG121SN1D
10K
C2305
C2300
0.1uF
22uF
16V
10V
22
1.5K
R2333
LD2300
R2342
Q2303
2SC3052
+1.0V_VDD
LG1154A
+1.0V_VDD
C2359
0.1uF
DCDC_ROHM
IC2300
BD9D320EFJ
[EP]FIN
R2304
POWER_ON/OFF2_3
10K
EN
VIN
1
8
16V
0.1uF
1%
C2314
FB
BOOT
2
7
NR5040T2R2N
R1
R2302
L2307
2.2uH
DCDC_TI
11K
VREG
SW
3
6
IC2300-*1
C2308
TPS54327DDAR
[EP]GND
100pF
50V
EN
1
8
VIN
SS
3A
GND
4
5
C2340
C2348
22uF
22uF
VFB
2
7
VBST
R2306
10V
10V
VREG5
3
6
SW
33K
C2310
C2312
SS
GND
1uF
2200pF
4
5
10V
50V
1%
1.0V_DCDC_ROHM
R2
Vout=0.765*(1+R1/R2)
+12V
PANEL_POWER
TYP 6000mA
L2313
L2314
MLB-201209-0120P-N2
MLB-201209-0120P-N2
PANEL_VCC
C2317
C2330
C2322
10uF
0.1uF
0.01uF
25V
50V
Q2302
25V
AO4423
OPT
S1
1
8
D4
AO4423
R2318
C2331
C2333
S2
2
7
D3
10K
10uF
10uF
S3
3
6
D2
R2332
25V
25V
R2329
C2336
C2339
2K
2K
G
4
5
D1
10uF
0.1uF
OPT
OPT
25V
25V
OPT
R2324
1.8K
C2334
10uF
C
R2317
Q2302-*1
25V
AO4447A
10K
B
Q2301
PANEL_CTL
OPT
2SC3052
S_1
D_4
1
AO4447
8
E
S_2
D_3
2
7
S_3
3
6
D_2
G
4
5
D_1
+2.5V
T2 : Max 1.7A
else : Max 0.7A
+2.5V_Normal
IC2302
R2312
AP2132MP-2.5TRG1
[EP]
POWER_ON/OFF2_2
10K
C2341
R2
1
8
0.1uF
+3.3V_NORMAL
PG
GND
2
7
R1
ADJ
EN
3
6
VOUT
VIN
C2327
2A
0.1uF
+5V_NORMAL
4
5
16V
NC
VCTRL
C2342
EAN61387601
10uF
10V
C2337
1uF
Vout=0.6*(1+R1/R2)
+1.2V_CORE
R2359
10K
R1
R2362
39K
1/16W
5%
C2370
1000pF
50V
R2
RF
FB
1
23
THERMAL
PGOOD
GND
L2322
2
29
22
R2356
1K
EN
MODE
POWER_ON/OFF2_4
16V
3
21
0.1uF
IC2309
VBST
VREG
4
20
TPS53513RVER
C2372
NC_1
VDD
5
19
R2355
C2369
2K
SW_1
NC_2
6
18
1/16W
C2374
0.1uF
SW_2
7
17
VIN_3
C2375
16V
5%
1uF
10uF
10V
SW_3
VIN_2
16V
L2321
8
8A
16
1uH
SW_4
VIN_1
9
15
C2361
C2353
C2366
C2373
22uF
22uF
22uF
2200pF
50V
C2371
470pF
50V
Vout=0.6*(1+R1/R2)
POWER UP SEQUENCE
5V/3.3V->2.5V->1.5V/1.1V->1.0V
LG1154D
: 3.3V->2.5V->1.5V->1.1V
LG1154AN : 3.3V->2.5V->1.0V
Power_DET
+12V
+3.5V_ST
+3.5V_ST
R2337
100K
PD_+12V
PD_+3.5V
R2338
RESET_IC_ROHM
R2325
R2330
IC2307
10K
0
2.7K
OPT
BD48K28G
1%
5%
VDD
3
2
VOUT
1
C2355
PD_+12V
0.1uF
GND
R2326
16V
1.2K
1%
PD_20_24V
R2336
+24V
100K
PD_20_24V_ROHM
IC2308
PD_UHD_24V
PD_20V
PD_24V
R2327-*1
R2327
BD48K28G
R2327-*2
5.6K
8.2K
9.1K
1%
1%
1%
VDD
VOUT
3
2
PWR_DET_SEPARATE
1
PD_20V
PD_24V
C2356
PD_UHD_24V
R2328-*1
R2328
GND
R2328-*2
0.1uF
1.6K
1.3K
1.5K
16V
1%
1%
1%
PD_20_24V
+12V
Main +1.5V
L2301
BLM18PG121SN1D
C2302
C2360
10uF
0.1uF
DCDC_ROHM
16V
IC2303
BD9D320EFJ
[EP]FIN
POWER_ON/OFF2_3
R2313
EN
VIN
10K
1
8
16V
0.1uF
C2318
R2303
R2305
FB
BOOT
2
7
R1
18K
3.6K
L2308
1%
1%
2.2uH
VREG
SW
3
6
C2303
NR5040T2R2N
100pF
50V
SS
GND
3A
4
5
1.0V_DCDC_TI
C2315-*1
R2307
3300pF
C2313
C2315
22K
50V
1uF
2200pF
1%
10V
50V
1.0V_DCDC_ROHM
R2
Vout=0.765*(1+R1/R2)=1.516V
+5.0V normal & USB
R2
C2338
OPT
2200pF
C2343
C2344
+24V
50V
100pF
0.047uF
R2349
50V
25V
10K
+12V
C2347
R1
L2310
120-ohm
82pF
50V
VIN_1
LX_3
1
21
L2311
THERMAL
4.7uH
VIN_2
2
20
LX_2
29
VIN_3
LX_1
C2346
C2309
C2311
C2329
3
19
0.1uF
R2350
0.047uF
10uF
10uF
IC2304
50V
PGND_1
BST
0
25V
35V
35V
4
18
OPT
SN1302001
PGND_2
SW_IN2
5
(TPS65286RHDR)
17
C2376
C2349
10uF
PGND_3
6
16
SW_IN1
1uF
16V
6A
10V
V7V
NFAULT1
7
15
C2335
0.0068uF
50V
Vout=0.6*(1+R1/R2)=5.1V
RESET_IC_DIODES
IC2307-*1
APX803D29
RESET
VCC
2
3
1
GND
PD_20_24V_DIODES
IC2308-*1
APX803D29
RESET
VCC
2
3
1
GND
POWER_DET
C2365
0.1uF
16V
not to RESET
at 8kV ESD
C2362
0.1uF
PWR_DET_SEPARATE
16V
R2316
POWER_DET_1
0
24V-->3.48V
20V-->3.51V
12V-->3.58V
ST_3.5V-->3.5V
+1.5V_DDR
DCDC_TI
IC2303-*1
TPS54327DDAR
[EP]GND
EN
VIN
1
8
VFB
VBST
2
7
VREG5
SW
3
6
SS
GND
4
5
C2320
C2321
ZD2303
22uF
22uF
2.5V
10V
10V
OPT
C2351
C2358
C2350
10uF
22uF
22uF
10V
10V
+5V_NORMAL
BSD-14Y-UD-023-HD
2013-12-17
POWER
LGE Internal Use Only
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