THERMAL
THERMAL
THERMAL
THERMAL
THERMAL
THERMAL
THERMAL
THERMAL
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.
L2311
BLM18PG121SN1D
IC2302AP7173-SPG-13 HF(DIODES)
3
VCC
2
PG
4
EN
1
IN
5GND
6SS
7FB
8OUT
9
[EP]
+24V
POWER_ON/OFF2_2
C2338
0.1uF
50V
C2316
0.1uF
50V
L2300
BLM18PG121SN1D
R2305
15K
1/16W
1%
C2343
22uF
10V
OPT
C2329
150pF
50V
C2307
0.1uF
16V
C2361
22uF
10V
+5V_NORMAL
C2347
0.1uF
50V
R2335
330K1/16W 5%
C2354
0.1uF
16V
C2348
0.1uF
16V
R2331
10K
C2336
10uF
10V
R2300
10K
R2306
33K
1%
C2301
10uF
16V
C2318
0.1uF
16V
R2310
1K
R2340
56K
1/16W
1%
R2301
10K
C2312
3300pF
50V
+24V
R2343
16K
1%
R2304
10K
C2355
0.1uF
16V
Q2301
MMBT3904(NXP)
E
B
C
C2310
1uF
10V
C2303
10uF
16V
R2315 0
1/16W
5%
IC2300
TPS54327DDAR
DCDC_TI
3
VREG5
2
VFB
4
SS
1
EN
5GND
6SW
7VBST
8VIN
9
[EP]GND
R2312
10K
R2309
100
C2308
100pF
50V
DCDC_TI
+3.5V_ST
C2350
10uF
10V
+3.3V_NORMAL
Q2302
AO3407A
G
D
S
R2328
1.5K
1%
PD_24V
C2319
22uF
10V
R2336
100K
PD_20_24V
C2356
0.1uF
16V
PD_20_24V
C2315
4700pF 50V
C2333
10uF
16V
R2322
4.3K
1%
IC2307
NCP803SN293
ONSEMI
1
GND
3
VCC 2RESET
R2337
100K
+12V
POWER_ON/OFF2_1
C2324
0.01uF
50V
10uF
C2327
10V
+12V
+12V
R2330
0
5%
PD_+3.5V
POWER_DET
R2328-*1
1.3K
1%
PD_20V
P2300
SMAW200-H18S1
POWER_WAFER_18PIN
14 12V
9
24V
4PDIM#1
18 GND
13
12V
8GND
3
3.5V
17
GND
12 GND
7
GND
2INV ON
16 24V
11
GND
6PDIM#2
1
PWR ON
15
12V
10 24V
5
3.5V
19
+1.1V_VDD
L2307
2.2uH
NR5040T2R2N
C2322
22uF
10V
+2.5V_Normal
POWER_ON/OFF1
R2318
5.6K
C2364
100pF
50V
DCDC_TI
C2334
22uF
10V
IC2308
NCP803SN293
PD_20_24V_ONSEMI
1
GND
3
VCC 2RESET
+12V
R2339
47K1%
C2311
0.1uF
50V
+1.5V_DDR
R2327
8.2K
1%
PD_24V
INV_CTL
L2312
4.7uH
2200pF
C2337
50V
L2318
L2301
IC2303
TPS54821RHL
3
GND_2
2
GND_1
4
PVIN_1
1
RT/CLK
6
VIN
5
PVIN_2
7
VSENSE 8COMP
9SS/TR
10 EN
11 PH_1
12 PH_2
13 BOOT
14 PWRGD
15
[EP]GND
C2359
0.01uF
50V
POWER_ON/OFF2_3
R2325
2.7K
1%
PD_+12V
C2323
22uF
10V
C2360
4700pF
50V
C2365
0.1uF
16V
+5V_NORMAL
+3.3V_NORMAL
C2317
22uF
10V
C2335
0.1uF
16V
R2338
10K
OPT
C2362
22uF
10V
C2302
180pF
50V
IC2305
TPS54319TRE
DCDC_TI
1
VIN_1
3
GND_1
7
COMP
9SS/TR
10 PH_1
11 PH_2
12 PH_3
13 BOOT
14 PWRGD
15 EN
16 VIN_3
5
AGND
8
RT/CLK
6
VSENSE
4
GND_2
2
VIN_2 17
EP[GND]
+3.5V_ST
+3.5V_ST
R2314
10K
+24V
PANEL_CTL
R2313
1.3K
L2320
3.3uH
NR5040T3R3N
D2300
40V
B540C
PANEL_VCC
PWM_DIM2
+1.0V_VDD
R2327-*1
5.6K
1%
PD_20V
RL_ON
C2306
0.1uF
50V
R2326
1.2K
1%
PD_+12V
C2330
22uF
10V
POWER_ON/OFF2_2
C2320
47pF 50V
C2331
0.1uF
50V
C2346
10uF
10V
+3.5V_ST
R2302
11K
1%
PWM_DIM
Q2300 MMBT3906(NXP)
1
2
3
R2344
51K
1%
C2313
4.7uF
16V
+1.1V_VDD
C2358
0.1uF
16V
+3.5V_ST
R2321
2K
1%
R2345
10K
R2317
33K
C2321
22000pF 50V
C2314
0.1uF
16V
R2334
15K
1/16W 5%
+12V
R2316 1K
C2305
0.1uF
16V
+3.3V_NORMAL
L2302
BLM18PG121SN1D
3.3V_EMMC
C2300
22uF
10V
C2309
10uF
35V
IC2304RT8289GSP
3
NC_2
2
NC_1
4
FB
1
BOOT
5EN
6GND
7VIN
8SW
9
[EP]GND
C2339
22uF
10V
L2305
BLM18PG121SN1D
R2308
51K
1% C2332
0.1uF
16V
+3.3V_NORMAL
R2311
10K
C2325
100pF
50V
OPT
IC2301
TPS54327DDAR
3
VREG5
2
VFB
4
SS
1
EN
5GND
6SW
7VBST
8VIN
9
[EP]GND
R2319
15K
1%
C2304
10uF
16V
C2326
1uF
10V
+12V
C2328
3300pF
50V
C2340
22uF
10V
POWER_ON/OFF1
P2301
SMAW200-H24S2
POWER_WAFER_24PIN
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
L/DIM0_VS
L/DIM0_SCLK
L/DIM0_MOSI
L2309
3.6uH
SM-8040
IC2300-*1
RT7266ZSP
DCDC_RT
3
PVCC
2
FB
4
SS
1
EN
5GND
6SW
7BOOT
8VIN
9
[EP]GND
IC2305-*1
RT8079AGQW
DCDC_RT
3
GND_1
2
VIN_2
4
GND_2
1
VIN_1
5
AGND
6
FB
7
COMP
8
RT/SYNC
9SS/TR
10 SW_1
11 SW_2
12 SW_3
13
BOOT
14
PGOOD
15
EN
16
VIN_3
17
[EP]GND
ZD2303
5V
ZD2302
5V
OPT
ZD2301
5V
C2341
22uF
10V
L2303
UBW2012-121F
L2304
UBW2012-121F
L2306
UBW2012-121F
L2313
UBW2012-121F
R2303
16K
1/16W
1%
L2310
4.7uH
R2346
5.6K
LVDS_DISCHARGE
R2347
5.6K
LVDS_DISCHARGE
C2366
22uF
10V
R2307
120K
1%
1/16W
R2327-*2
9.1K
1%
PD_UHD_24V
R2328-*2
1.6K
1%
PD_UHD_24V
L2308
2.2uH
IC2307-*1
APX803D29
DIODES
1
GND
3
VCC 2RESET
IC2308-*1
APX803D29
PD_20_24V_DIODES
1
GND
3
VCC 2RESET
ZD2300
2.5V
ZD2304
5V
OPT

POWER

LG1154
24V-->3.48V5A12V-->3.58V
R1
not to RESET at 8kV ESD
R1

8A

Vout=0.765*(1+R1/R2)

+1.23V_CORE

+1.0V_VDD

Vout=0.6*(1+R1/R2)
1.5A
LG1154AN : 3.3V->2.5V->1.0V
LG1154D : 3.3V->2.5V->1.5V->1.1V
Switching freq: 700K
R2

DDR MAIN 1.5V

eMMC POWER

5V/3.3V->2.5V->1.5V/1.1V->1.0V
Vout=0.827*(1+R1/R2)=1.521V
3A
POWER UP SEQUENCE
LG1154A
Vout=0.8*(1+R1/R2)
R2
3A

+2.5V

PANEL_POWER

R1
R1
Vout=1.222*(1+R1/R2)
3A
R2

+5.0V normal & USB

LG1154D
Vout(1.24V)=0.6*(1+16k/15k)
R2
20V-->3.51V

Power_DET

$ 0.145
R2
R1
ST_3.5V-->3.5V
2012-12-07
BSD-NC4_H023-HD
Vout=0.765*(1+R1/R2)
Switching freq: 700K
R1
3A

+3.3V_NORMAL

R2
ESD
ESD
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only