LG 40LX770H Service Manual page 35
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Also See for 40LX770H:
- Owner's manual (25 pages) ,
- Owner's manual (74 pages) ,
- Owner's manual (49 pages)
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+3.5V_ST
+3.5V_ST
R2366
10K
E
R2365
R2351
MMBT3906(NXP)
10K
C
10K
B
Q2305
R2300 10K
B
C
RL_ON
Q2304
MMBT3904(NXP)
E
POWER_WAFER_12PIN
Default_Amotech
P2300
VA23001
SMAW200-H12S5K(BK)(LTR)
5.6V
AMOTECH CO., LTD.
+13V_A
PWR ON
PDIM2
1
1
2
2
GND
D13V
3
3
4
4
L2304
D13V
D13V
UBW2012-121F
5
5
6
6
A13V
A13V
7
7
8
8
C2306
GND
GND
9
9
10
10
0.1uF
DRV-ON
PDIM1
11
11
12
12
50V
GND
GND
13
14
GND
SCLK
15
13
16
L/DIM0_VS
VSYNC
SIN
17
18
R2330
1K
P2301
SMAW200-H18S5
OPT
POWER_WAFER_18PIN
+3.3V_NORMAL
R2306
1K
OPT
INV_CTL
R2307
100
+3.3V - eMMC 4.41/4.51
+3.3V_NORMAL
L2302
BLM18PG121SN1D
C2305
C2300
0.1uF
22uF
16V
10V
+1.8V - eMMC 4.51
DVDD18_EMMC
+3.3V_NORMAL
IC2306
AZ1117EH-ADJTRG1
IN
OUT
ADJ/GND
+3.3V_NORMAL
+13V
L2300
BLM18PG121SN1D
C2302
C2303
10uF
0.1uF
25V
IC2300
25V
+3.5V_ST
BD9D320EFJ
R2301
R2304
POWER_ON/OFF1
10K
10K
EN
1
C2360
R2302
R2303
R1
0.1uF
68K
FB
5.1K
16V
2
OPT
1/16W
1/16W
1%
1%
VREG
3
C2304
100pF
50V
SS
R2
3A
4
C2310
C2312
1uF
2200pF
10V
50V
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
+13V
+13V
L2303
UBW2012-121F
C2307
0.1uF
50V
PANEL_CTL
PWM_DIM2
PWM_DIM
R2354
R2355
4.7K
4.7K
L/DIM0_SCLK
OPT
OPT
L/DIM0_MOSI
POWER_ON/OFF2_1
+3.3V_NORMAL
+5V_NORMAL
3.3V_EMMC
POWER_ON/OFF2_3
R2347
0
C2301
C2308
10uF
10uF
10V
10V
+3.3V_NORMAL
+3.5V_ST
[EP]FIN
VIN
8
16V
0.1uF
+13V
C2313
BOOT
7
NR8040T2R0N
L2301
2uH
SW
6
GND
C2314
5
C2315
22uF
22uF
10V
10V
PANEL_POWER
Default_NXP
Q2302
PMV48XP
L2313
UBW2012-121F
C2333
C2331
R2317
G
0.1uF
0.1uF
36K
50V
50V
R2318
150K
C
Q2301
B
MMBT3904(NXP)
Multi_AOS
R2314
10K
E
Q2302-*1
C2359
AO3435
4.7uF
10V
OPT
+3.5V_ST
+2.5V
IC2302
R2363
100K
TJ2132GDP
[EP]GND
R1
POK
GND
1
8
R2315
EN
FB
2
7
R2
C2328
10K
0.01uF
IN
OUT
50V
3
6
BIAS
SS
C2354
4
5
2A
10uF
10V
C2332
2700pF
50V
C2321
10uF
10V
Vout=0.6*(1+R2/R1)
+1.1V_CORE
R2316
100
1/16W
1%
R2320
C2327
560K
+3.5V_ST
1/10W
330pF
IC2301
5%
50V
R2364
MP8762HGLE-Z
100K
LPBN8050T-1R0N
L2307
R2310
1.0uH
1K
EN
SW_2
1
16
OPT
C2366
FREQ
SW_1
R1
0.1uF
2
15
C2337
16V
22uF
10V
FB
IN_2
3
14
R2
SS
PGND_4
4
13
C2318
0.033uF
50V
AGND
PGND_3
5
12
R2311
PG
PGND_2
100K
6
11
C2316
1/16W
1uF
1%
VCC
PGND_1
7
10
10V
BST
IN_1
8
9
C2325
C2326
10uF
10uF
R2313
C2319
4.7
25V
25V
1/16W
0.1uF
5%
16V
Vout=0.611*(1+R1/R2)
+3.5V_ST
IC2305
TPS563200
GND
VBST
1
6
VLS5045EXT-4R7M
L2306
4.7uH
SW
EN
2
5
3A
VIN
VFB
3
4
R2
C2323
C2317
C2320
C2322
22uF
10uF
0.1uF
22uF
10V
25V
25V
10V
Vout=0.765*(1+R1/R2)
PANEL_VCC
C2363
C2347
10uF
10uF
25V
25V
Power_DET
+13V
R2325
14K
1%
R2326
5.1K
1%
+2.5V_NORMAL
RESET IC_DIODES_APX803D29
IC2307-*1
APX803D29
VCC
RESET
3
2
1
GND
C2357
0.1uF
16V
+3.5V_ST
L2308
+1.1V_VDD
PVIN_1
1
PVIN_2
2
C2339
C2340
0.1uF
10uF
PGND_1
16V
3
10V
PGND_2
4
C2356
C2346
22uF
22uF
10V
10V
+13V
L2312
Vout=0.8*(1+R1/R2)
+5.0V normal & USB
+13V
L2310
120-ohm
VIN_1
1
THERMAL
VIN_2
2
29
C2329
VIN_3
C2309
C2311
3
0.1uF
10uF
10uF
IC2304
50V
PGND_1
25V
25V
4
SN1302001(TPS65286RHDR)
OPT
PGND_2
5
PGND_3
6
6A
V7V
7
R1
1%
1%
1/16W
1/16W
24.9K
11K
R2327
R2328
C2330
+3.5V_ST
0.0068uF
50V
R2362
100K
POWER_ON/OFF2_4
R2337
+3.5V_ST
100K
R2338
RESET IC_ROHM
10K
IC2307
OPT
BD48K28G
R2350
POWER_DET
100
VDD
VOUT
3
2
C2355
1
0.1uF
GND
25V
C2365
0.1uF
16V
RESET_IC_DIODES_NEW_APX803E29
IC2307-*2
not to RESET at 8kV ESD
APX803E29
VCC
RESET
3
2
1
GND
12V-->3.58V
ST_3.5V-->3.5V
DDR MAIN 1.5V
+3.5V_ST
R2361
100K
POWER_ON/OFF2_2
OPT
C2361
0.1uF
16V
+1.5V_DDR
C2341
0.1uF
16V
VLS5045EXT-2R2N
L2309
2.2uH
SW_3
12
THERMAL
SW_2
17
11
C2345
C2349
SW_1
IC2303
10
22uF
22uF
BD9A300MUV
C2342
10V
10V
SS
9
3A
0.01uF
50V
R1
R2331
1/16W
330K
5%
R2329
C2344
8.2K
1%
1/16W
50V
2700pF
R2
3A
R2
C2334
OPT
2200pF
C2335
C2336
50V
100pF
0.047uF
R2342
50V
25V
10K
C2348
C2351
C2352
22uF
22uF
10uF
R1
10V
10V
10V
C2343
82pF
50V
LX_3
21
L2311
4.7uH
LX_2
20
LX_1
C2338
19
+5V_NORMAL
0.047uF
L2311 Change, 131120
BST
25V
18
for Currnet UP
SW_IN2
17
C2350
SW_IN1
16
1uF
10V
NFAULT1
15
Vout=0.6*(1+R1/R2)
5.1V:R1-51K, R2-6.8K
LX770H
2015.3.11
POWER
7
24
LGE Internal Use Only
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