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+3.5V_ST
OS MODULE
LGE MODULE
R2301
SMAW200-H28S5K[MIRROR]
SMAW200-H24S5[MIRROR]
10K
R2300
P2301
RL_ON
10K
PWR_ON
1
1
2
2
L2301
+3.5V_ST
R2304100
PDIM#1
UBW2012-121F
3
3
4
4
PWM_DIM
3.5V
5
5
6
6
3.5V
C2302
7
7
8
8
0.1uF
GND
9
9
10
10
16V
12V
11
11
12
12
+12V
12V
13
13
14
14
UBW2012-121F
12V
15
15
16
16
GND
17
17
18
18
C2304
L2302
24V
0.1uF
19
19
20
20
UBW2012-121F
50V
24V
21
21
22
22
GND
23
23
24
24
L2303
OS MODULE
L/D_CLK
25
26
L/D_CLK
L/D_DI
27
28
L/D_DI
25
29
INCH
24 PIN
22 PIN
Digital Power B/D
O
40 ~ 65
NC
GND
X
GND
24V
70 ~ 79
'15 UHD POWER
+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
+3.3V_NORMAL
+12V
L2300
PZ1608U121-2R0TF
C2300
10uF
25V
IC2302
TPS54427DDA
R2303
10K
EN
1
POWER_ON/OFF2_1
1%
VFB
2
R2302
R1
51K
VREG5
3
C2301
100pF
50V
SS
4A
4
R2305
OPT
15K
C2303
C2305
1uF
0.015uF
10V
50V
1%
Switching freq: 700K
R2
Vout=0.765*(1+R1/R2)
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 © 2015 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
+12V
L2321
MLB-201209-0120P-N2
P2300
+3.3V_NORMAL
R2314
1K
INV_CTL
INV_CTL
R2311
100
100
PDIM#2
R2313
PWM_DIM2
GND
3.5V
NON_DIGITAL_POWER_B/D
L2317
GND
UBW2012-121F
12V
12V
L2307
+24V
PANEL_CTL
GND
UBW2012-121F
24V
24V
L2308
C2319
GND or 24V
UBW2012-121F
0.1uF
NC or GND
50V
GND
DIGITAL_POWER_B/D
L/D_VSYNC
L2315
UBW2012-121F
OS MODULE
L/D_VSYNC
+12V
L2316
UBW2012-121F
NON_DIGITAL_POWER_B/D
C2316
C2317
C2318
10uF
10uF
10uF
16V
16V
16V
+12V
L2309
PZ1608U121-2R0TF
+3.3V_NORMAL
C2322
10uF
16V
1.0V_DCDC_TI
C2332-*1
3300pF
50V
Switching freq: 700K
C2310
C2311
10uF
10uF
+1.1V or +1.15V _CPU CORE
10V
10V
+12V
L2310
PZ1608U121-2R0TF
MAX
A
Placed on SMD-TOP
C2320
C2321
C2323
10uF
10uF
0.1uF
16V
16V
16V
OPT
+3.3V_NORMAL
[EP]GND
Vout=0.8*(1+R1/R2)
VIN
8
16V
0.1uF
C2306
VBST
7
PS064T-2R2MS
R1:15K/R2:56K, V=1.00V(CPU_VID0=L,CPU_VID1=L)
L2306
2.2uH
R1:15K/R2:56K//240K, V=1.05V(CPU_VID0=H,CPU_VID1=L)
SW
6
R1:15K/R2:56K//240K, V=1.05V(CPU_VID0=L,CPU_VID1=H)
R1:15K/R2:56K//240K//240K, V=1.10V(CPU_VID0=H,CPU_VID1=H)
GND
C2313
5
C2314
22uF
22uF
10V
10V
PANEL_POWER
TYP 6000mA
L2322
MLB-201209-0120P-N2
C2327
C2331
C2330
10uF
0.1uF
0.01uF
AOS_PANEL_POWER_FET
IC2309
25V
50V
25V
AO4447A
OPT
S_1
D_4
1
8
OPT
OPT
OPT
C2335
C2367
S_2
D_3
R2329
C2315
2
7
10uF
10uF
1uF
10K
S_3
D_2
3
6
R2359
25V
25V
25V
2K
G
D_1
4
5
OPT
R2331
1.8K
C2368
C
10uF
R2328
25V
10K
B
Q2321
OPT
2N3904S
C2371
KEC_PANEL_CTL_TR
E
10uF
C
10V
B
Q2321-*1
MMBT3904(NXP)
NXP_PANEL_CTL_TR
E
DDR +1.5V
POWER_ON/OFF2_3
C2324
ROHM_BD9D321_1.5V_DDR_DCDC
0.1uF
IC2303
R2326
BD9D321EFJ
[EP]
10K
EN
VIN
1
8
16V
0.1uF
C2336
R2320
R2321
FB
BOOT
2
7
R1
18K
4.7K
L2312
1%
1%
2.2uH
VREG
SW
3
6
C2325
100pF
PS064T-2R2MS
50V
SS
GND
3A
4
5
C2338
22uF
R2322
10V
22K
C2328
C2332
1%
1uF
2200pF
10V
50V
1.0V_DCDC_ROHM
R2
Vout=0.765*(1+R1/R2)=1.554V
IC2300
L2311
BD86106EFJ
2uH
EAN62653301
[EP]
PGND
SW_2
1
8
VIN
SW_1
OPT
OPT
OPT
2
7
C2329
C2353
C2333
C2354
C2356
C2334
AGND
EN
3
6
0.0068uF
10uF
10uF
100uF
10uF
10uF
R2324
50V
6.8K
10V
10V
10V
10V
C2337
6A
FB
COMP
47pF
4
5
50V
POWER_ON/OFF2_4
R2-1.13V
R2325
C2326
10K
0.1uF
R2332
16V
20K
1%
+3.3V_NORMAL
R2333
200K
1%
R2327
D
10K
R2330
G
CPU_VID0
0
5%
S
Voltage drop 0.01V
Voltage drop 0.01V
D
Q2302-*1
Voltage drop 0.01V
G
2N7002K
Voltage drop 0.01V
S
DIODEDS_CPU_CORE_VID_FET
Power_DET
PANEL_VCC
+12V
PD_+12V
R2335
2.7K
1%
R2360
C2369
C2370
PD_+12V
2K
10uF
0.1uF
R2336
OPT
25V
25V
1.2K
OPT
1%
ROHM_PANEL_POWER_FET
+24V
IC2309-*1
RRH140P03TB
S_1
D_4
1
8
S_2
D_3
2
7
PD_UHD_24V
PD_20V
R2340-*1
S_3
D_2
R2340-*2
3
6
5.6K
9.1K
1%
1%
G
D_1
4
5
PD_20V
PD_UHD_24V
R2341-*1
R2341-*2
1.6K
1.3K
1%
1%
+5.0V normal & USB
+1.5V_DDR
+24V
TI_TPS54327_1.5V_DDR_DCDC
IC2303-*1
TPS54327DDAR
[EP]GND
L2314
EN
VIN
1
8
120-ohm
VFB
VBST
2
7
VREG5
SW
VIN_1
3
6
1
THERMAL
SS
GND
VIN_2
4
5
2
29
C2344
VIN_3
C2340
C2341
3
0.1uF
10uF
10uF
IC2305
50V
PGND_1
35V
35V
4
SN1302001(TPS65286RHDR)
OPT
PGND_2
5
PGND_3
6
6A
V7V
7
C2339
ZD2302
22uF
2.5V
10V
DCDC_DIODE
C2346
0.0068uF
50V
MAX 2.7A
+1.1V_VDDC_CPU
LM15 Power SEQUENCE
POWER_ON/OFF1(5V)
R2334
POWER_ON/OFF2_1(3.3V)
R1
15K
1%
POWER_ON/OFF2_3(1.5V, 2.5V)
R2-1.13V
R2345
13K
1%
R2312
POWER_ON/OFF2_4(1.1V)
20K
1%
R2346
R2
43K
+3.3V_NORMAL
1%
R2316
200K
1%
R2306
D
R2-1.1V
10K
R2310
G
CPU_VID1
0
5%
S
D
Q2303-*1
G
2N7002K
S
DIODEDS_CPU_CORE_VID_FET
RESET_IC_DIODES
IC2307-*1
APX803D29
RESET
VCC
2
3
1
GND
PD_20_24V_DIODES
+3.5V_ST
+3.5V_ST
IC2308-*1
R2349
100K
APX803D29
PD_+3.5V
RESET_IC_ROHM
R2354
RESET
VCC
2
3
R2343
10K
IC2307
1
0
OPT
5%
BD48K28G
GND
POWER_DET
VDD
VOUT
3
2
1
C2350
0.1uF
GND
16V
C2364
0.1uF
16V
PD_20_24V
not to RESET
R2348
at 8kV ESD
100K
C2365
PD_20_24V_ROHM
0.1uF
PWR_DET_SEPARATE
IC2308
16V
PD_24V
R2340
BD48K28G
8.2K
1%
R2356
POWER_DET_1
0
VDD
VOUT
3
2
PWR_DET_SEPARATE
1
PD_24V
C2351
R2341
GND
0.1uF
24V-->3.48V
1.5K
16V
1%
20V-->3.51V
PD_20_24V
12V-->3.58V
ST_3.5V-->3.5V
R2
C2347
OPT
2200pF
C2349
C2352
50V
100pF
0.047uF
50V
25V
R2344
10K
C2359
C2362
C2363
22uF
22uF
10uF
R1
10V
10V
10V
C2357
82pF
50V
LX_3
21
L2313
4.7uH
LX_2
20
LX_1
C2355
19
0.047uF
+5V_NORMAL
BST
25V
18
SW_IN2
17
C2360
SW_IN1
16
1uF
10V
NFAULT1
15
Vout=0.6*(1+R1/R2)
5.1V:R1-51K, R2-6.8K
LM15U
2014-12-15
23
LM15U_PWR_1_UHD
LGE Internal Use Only
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