LG 43LH5700 - Power, Picture, and Audio Control Commands

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.
2015/07/07
POWER 23
M2
POWER_DET
C485
0.1uF
25V
R2354
33K
1/16W
1%
+3.3V_SB
PANEL_CTL
C2346
10uF
10V
C2326
0.1uF
50V
C2339
10uF
10V
R485
56K
+3.4V_ST
+1.10V_VDDC
IC2301
MP8765GQ
3
NC_1
2
PGND
4
PG
1
VIN
6
MODE
5
NC_2
7
VOUT
8
SW_1
9
SW_2
10
BST
11
VCC
12
FB
13
EN
14
AGND
15
SW_3
16
SW_4
Q2303-*1
2N3904S
NPN_KEC_1st
E
B
C
R2353
15K
1/16W
1%
C2363
10uF
10V
R2344
100
C2311
10uF
10V
Q2306
SSM3J332R
Toshiba_1st
S
G
D
C2314
0.1uF
50V
IC2300-*1
TJ1117GS-ADJ
LDO_TAEJIN_2nd
1
ADJ/GND
2
VOUT
3
VIN
R2318
36K
C482
10uF
10V
R2355
47K
1/16W
1%
Q2307
T2N7002AK
Toshiba_1st
S
G
D
R2337
10K
R2315
10K
C2328
0.1uF
16V
OPT
+3.4V_ST
ZD2300
2.5V
OPT
C2356
10uF
10V
C2342
10uF
10V
IC2307
MP1471AGJ-C667
3
IN
2
SW
4
FB
1
GND
6
BST
5
EN
R2316
10K
L471-*1
4.7uH
CYNTEC_2nd
R2317
0
DVDD18_EMMC
R479
20K
R2336
4.7
Q2304
SSM3J332R
Toshiba_1st
S
G
D
+12V
R2339
100K
R2338
2.2K
+3.4V_ST
D470
5V
TVS_NXP_1st
PESD5V0S1UA
C2360
10uF
10V
C479
0.1uF
25V
R2341
330K
OPT
R2310
33
1%
C2316
0.1uF
16V
+12V
C2300
10uF
10V
C2302
10uF
10V
Q2301-*1
2N3904S
NPN_KEC_1st
E
B
C
D471
20V
R2345
10K
OPT
C489
10uF
10V
ZD2303
2.5V
OPT
C2309
10uF
10V
L2309
2.2uH
NR5040T2R2N
TAIYO YUDEN_1st
L2302
BLM18PG121SN1D
JK400
KJA-DC-1-0032
1
1
2
2
4
4
C2361
10uF
10V
Q2301
MMBT3904(NXP)
NPN_NXP_2nd
E
B
C
D470-*1
TVS_KEC_2nd
C2347
10uF
10V
C2303
0.1uF
25V
L2310
2uH
ZD2301
5V
R2309
75
1%
R2334
10K
C2344
0.1uF
25V
R2319
150K
C2357
10uF
10V
+19V
L2316
4.7uH
TDK_1st
ZD2304
5V
C2354
2.2uF
10V
L2300
UBW2012-121F
C2329
0.1uF
16V
C2304
10uF
10V
R2340
330K
+19V
POWER_ON/OFF2_3
Q2305-*1
2N3904S
NPN_KEC_1st
E
B
C
C2321
0.1uF
50V
L2307
UBW2012-121F
C487
10uF
10V
R2343
510
C2330
10uF
10V
R2335
8.2K
1/16W
1%
R2327
22K
1/16W
1%
R2321
3.3K
LVDS_DISCHARGE
C2372
1uF
10V
C2355
10uF
10V
C473
10uF
25V
R2349
18K
1/16W
1%
PANEL_VCC
C2336
1uF
10V
C2308
10uF
10V
R487
1.3K
1%
R2351
0
C471
68uF
35V
C2343
220pF
50V
R2328
5.1K
1/16W
1%
C2338
50V
2700pF
+19V
VID
C2327
10uF
10V
POWER_ON/OFF2_1
R2332
100K
C2333
10uF
25V
C2373
10uF
10V
L2311
UBW2012-121F
JP402
JP-BLOCK-DC_JACK
19V
GND
C2305
10uF
25V
+3.3V_NORMAL
IC2302
BD9A300MUV
EAN62870501
1
PVIN_1
3
PGND_1
7
ITH
9
SS
10
SW_1
11
SW_2
12
SW_3
13
BOOT
14
PGD
15
EN
16
AVIN
5
AGND
8
MODE
6
FB
4
PGND_2
2
PVIN_2
17
[EP]FIN
Q2302
SSM3J332R
Toshiba_1st
S
G
D
R2342
820K
C2310
10uF
10V
C2374
10uF
10V
C2359
0.1uF
16V
R471
39K
1/16W
1%
R2347
12K
1%
C2307
0.1uF
16V
ZD2302
2.5V
OPT
R477
68
+1.5V_DDR
+3.3V_SB
+3.4V_ST
IC2306-*1
KIC7529M2
P_DET_KEC_2nd
1
GND
2
OUT
3
VCC
R2305
22K
+5V_NORMAL
C2375
10uF
10V
POWER_ON/OFF1
R2303
10K
L2306
BLM18PG121SN1D
+3.4V_ST
Q2305
MMBT3904(NXP)
NPN_NXP_2nd
E
B
C
POWER_ON/OFF2_2
Q2307-*1
2N7002KA
KEC_2nd
G
D
S
+3.3V_NORMAL
C2370
10uF
25V
C2376
10uF
10V
L2313
UBW2012-121F
OPT
4.7uF
10V
C2323
OPT
L471
4.7uH
TDK_1st
L2304
BLM18PG121SN1D
C2301
2.2uF
10V
C2348
10uF
10V
C484
10uF
10V
R2348
16K
1/16W
1%
C2352
10uF
10V
Q2302-*1
AO3435
AOS_2nd
G
D S
+3.3V_NORMAL
C2371
0.1uF
25V
R2307
47K
1%
3.3V_EMMC
R478
100K
+3.4V_ST
IC2300
AZ1117EH-ADJTRG1
LDO_Diodes_1st
ADJ/GND
OUTIN
R2346
8.2K
1%
C476
0.1uF
50V
C2315
0.1uF
16V
R2308
10K
Q2304-*1
AO3435
AOS_2nd
G
D S
R2352
10K
VID
C493
10uF
10V
OPT
R2331
0
R2330
100K
OPT
C2353
0.1uF
25V
C2306
10uF
25V
Q2306-*1
AO3435
AOS_2nd
G
D S
Q2303
MMBT3904(NXP)
NPN_NXP_2nd
E
B
C
POWER_ON/OFF2_4
R2320
10K
R2306
2.2K
IC402
MP2315GJ
3
SW
2
IN
4
GND
1
AAM
5
BST
6
EN/SYNC
7
VCC
8
FB
C474
0.1uF
25V
+3.4V_ST
L2309-*1
2.2uH
TDK_2nd
L2317
120-ohm
R2350
33K
1/16W
1%
VID_CTRL
IC2306
APX803E29
P_DET_DIODES_1st
1
GND
2
RESET
3
VCC
C492
10uF
10V
OPT
C2331
0.01uF
50V
C2334
10uF
25V
R2311
22K
C2337
0.22uF
16V
L2316-*1
4.7uH
CYNTEC_2nd
R488
560
1%
R486
560
1%
+3.3V_NORMAL
R1
Power_DET
R2
3A
Vout=1.25*(1+R2/R1)+Iadj*R2
Vout=0.8*(1+R1/R2)
2013.12.21 by GH.Song
FOR DEBUG
20130528 cJ.LIM
+19V to +3.5V_STANDBY
+3.3V_SB
X5R => X7R
VID_CTRL
To improve CST Issue
R1:8.2K/R2:12K, V=1.0V(VID_CONTROL=LOW)
POWER FROM ADAPTOR 19V
R1:8.2K/R2:12K//47K, V=1.1V(VID_CONTROL=HIGH)
2013.08.07
5.6B->5V
READY->APPLY
+1.5V DDR
Vout=0.8*(1+R1/R2)
R2
Vout=0.6*(1+R1/R2)
+5.0V normal & USB
+3.3V-eMMC 4.41/4.51
R2
PANEL_POWER
3A
Q2302 Change: Diodes --> NXP 131118
+1.10V_CORE
+1.8V - eMMC 4.51
R1
not to RESET at 8kV ESD
R1
Copyright © 2016 LG Electronics Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only