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+3.5V_ST
R2300
RL_ON
10K
P2300
SMAW200-H18S1
POWER_WAFER_18PIN
L2304
+3.5V_ST
PWR ON
INV ON
UBW2012-121F
1
1
2
2
3.5V
PDIM#1
3
3
4
4
3.5V
PDIM#2
C2307
5
5
6
6
0.1uF
GND
GND
7
7
8
8
16V
24V
24V
9
9
10
10
+12V
GND
GND
11
11
12
12
UBW2012-121F
12V
12V
13
13
14
14
12V
24V
15
15
16
16
C2306
L2303
GND
GND
0.1uF
17
17
18
18
50V
19
20
21
22
19
23
24
L/DIM0_MOSI
25
P2301
SMAW200-H24S2
POWER_WAFER_24PIN
eMMC POWER
+3.3V_NORMAL
3.3V_EMMC
L2302
BLM18PG121SN1D
C2305
C2300
0.1uF
22uF
16V
10V
+12V
+1.0V_VDD
L2300
BLM18PG121SN1D
C2301
10uF
16V
DCDC_TI
IC2300
TPS54327DDAR
R2304
POWER_ON/OFF2_3
10K
EN
1
1%
VFB
2
R2302
R1
11K
VREG5
3
C2308
100pF
50V
SS
3A
4
DCDC_TI
R2306
33K
C2310
C2312
1uF
3300pF
10V
50V
1%
Switching freq: 700K
R2
Vout=0.765*(1+R1/R2)
+12V
+3.3V_NORMAL
L2305
BLM18PG121SN1D
C2304
10uF
16V
IC2301
TPS54327DDAR
R2311
10K
EN
1
POWER_ON/OFF1
1%
VFB
2
R2308
R1
51K
VREG5
3
C2325
100pF
50V
SS
3A
4
R2319
OPT
15K
C2326
C2328
1uF
3300pF
10V
50V
1%
R2
Switching freq: 700K
Vout=0.765*(1+R1/R2)
THE
SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE
SYMBOL MARK OF THE SCHEMETIC.
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
+12V
L2313
UBW2012-121F
+3.3V_NORMAL
R2310
1K
R2309
INV_CTL
100
PWM_DIM
PWM_DIM2
L2306
+24V
UBW2012-121F
C2316
0.1uF
50V
L/DIM0_VS
L/DIM0_SCLK
POWER_ON/OFF2_1
LG1154A
+1.0V_VDD
[EP]GND
VIN
8
16V
0.1uF
C2314
VBST
7
NR5040T2R2N
L2307
+1.1V_VDD
2.2uH
DCDC_RT
SW
IC2300-*1
6
RT7266ZSP
[EP]GND
EN
VIN
1
8
GND
C2317
5
C2319
22uF
FB
BOOT
2
7
22uF
10V
10V
PVCC
SW
3
6
C2302
SS
GND
4
5
180pF
50V
+3.3V_NORMAL
[EP]GND
VIN
POWER UP SEQUENCE
8
16V
0.1uF
C2332
VBST
5V/3.3V->2.5V->1.5V/1.1V->1.0V
7
L2309
3.6uH
LG1154D
SW
6
SM-8040
LG1154AN : 3.3V->2.5V->1.0V
GND
5
C2339
C2340
22uF
22uF
10V
10V
PANEL_POWER
C2331
0.1uF
50V
Q2302
AO3407A
C2333
10uF
G
16V
C
B
Q2301
PANEL_CTL
MMBT3904(NXP)
R2314
10K
E
+2.5V
IC2302
AP7173-SPG-13 HF(DIODES)
[EP]
+3.3V_NORMAL
IN
OUT
1
8
PG
FB
2
7
+5V_NORMAL
R2322
R1
4.3K
VCC
SS
3
6
1%
1.5A
C2327
10uF
R2312
C2337
10K
10V
EN
GND
R2321
4
5
2200pF
2K
1%
50V
R2
Vout=0.8*(1+R1/R2)
+1.1V_CORE
IC2303
TPS54821RHL
[EP]GND
+12V
R2307
120K
RT/CLK
PWRGD
1
14
1/16W
C2318
1%
L2301
GND_1
BOOT
2
13
0.1uF
L2308
16V
1uH
GND_2
PH_2
3
12
C2322
PVIN_1
PH_1
22uF
4
11
10V
C2303
PVIN_2
EN
5
10
10uF
16V
VIN
SS/TR
R1
6
9
8A
VSENSE
COMP
7
8
C2313
R2
4.7uF
16V
Vout(1.24V)=0.6*(1+16k/15k)
Vout=0.6*(1+R1/R2)
: 3.3V->2.5V->1.5V->1.1V
Power_DET
+12V
PD_+12V
R2325
2.7K
1%
PANEL_VCC
PD_+12V
R2326
1.2K
1%
C2347
0.1uF
50V
+24V
PD_20V
R2327-*1
5.6K
1%
PD_20V
R2328-*1
1.3K
1%
+2.5V_Normal
DDR MAIN 1.5V
+3.5V_ST
OPT
C2346
C2343
C2348
0.1uF
22uF
10uF
10V
16V
10V
L2318
VIN_1
VIN_2
C2350
10uF
GND_1
10V
GND_2
Vout=0.827*(1+R1/R2)=1.521V
+5.0V normal & USB
+1.1V_VDD
C2341
C2323
22uF
22uF
10V
10V
+12V
+24V
R2316
1K
POWER_ON/OFF2_2
L2314
L2311
BLM18PG121SN1D
OLED
NON_OLED
C2309
C2311
10uF
0.1uF
35V
50V
R2
+3.5V_ST
R2337
+3.5V_ST
100K
PD_+3.5V
R2338
R2330
IC2307
0
10K
5%
NCP803SN293
OPT
POWER_DET
VCC
RESET
3
2
C2355
1
0.1uF
GND
16V
C2365
0.1uF
16V
PD_20_24V
R2336
100K
not to RESET at 8kV ESD
PD_20_24V
IC2308
PD_24V
R2327
NCP803SN293
8.2K
1%
VCC
RESET
3
2
1
PD_24V
C2356
GND
R2328
0.1uF
24V-->3.48V
1.5K
16V
1%
20V-->3.51V
PD_20_24V
12V-->3.58V
ST_3.5V-->3.5V
LG1154D
POWER_ON/OFF2_2
C2354
0.1uF
C2358
+1.5V_DDR
16V
0.1uF
16V
L2320
3.3uH
PH_3
1
12
THERMAL
PH_2
NR5040T3R3N
2
17
11
C2361
C2362
PH_1
3
IC2305
DCDC_TI
10
22uF
22uF
TPS54319TRE
C2359
10V
10V
SS/TR
4
3A
9
DCDC_TI
0.01uF
C2364
50V
100pF
R1
50V
R2335
1/16W
330K
5%
C2360
R2334
15K
4700pF
1/16W 5%
50V
R2
16
15
14
13
VIN_1
SW_3
1
12
THERMAL
17
VIN_2
SW_2
2
11
R2340
IC2305-*1
56K
GND_1
RT8079AGQW
SW_1
3
10
DCDC_RT
1/16W
3A
1%
GND_2
SS/TR
$ 0.145
4
9
5
6
7
8
+5V_NORMAL
IC2304
RT8289GSP
[EP]GND
C2324
0.01uF
L2312
L2310
50V
4.7uH
4.7uH
BOOT
SW
1
8
C2334
C2338
NC_1
VIN
C2330
C2336
0.1uF
2
7
22uF
22uF
10uF
10V
10V
10V
NC_2
GND
3
6
5A
FB
EN
4
5
POWER_ON/OFF1
R2345
10K
1%
C2335
0.1uF
51K
R1
16V
R2344
C2329
150pF
50V
Vout=1.222*(1+R1/R2)
BSD-NC4_H023-HD
LG1154
2012-12-07
POWER
LGE Internal Use Only
50V
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