LG 65LF6300 Service Manual page 29

+3.5V_ST
R2301
10K
R2300
RL_ON
10K
Q2300
MMBT3906(NXP)
POWER_WAFER_12PIN
Default_Amotech P2300
SMAW200-H12S5K(BK)(LTR)
VA23001
5.6V
AMOTECH CO., LTD.
+13V_A
PWR ON
1 1 2 2
GND
3 3 4 4
L2304
D13V
UBW2012-121F 5 5 6 6
A13V
7 7 8 8
C2306 GND
9 9 10 10
0.1uF
DRV-ON
11 11 12 12
50V
GND
13 14
GND
15 13 16
L/DIM0_VS
VSYNC
17 18
R2330
1K
P2301
SMAW200-H18S5
OPT
POWER_WAFER_18PIN
+3.3V_NORMAL
R2306
1K
INV_CTL
R2307
100
+3.3V - eMMC 4.41/4.51
+3.3V_NORMAL
L2302
BLM18PG121SN1D
C2305
0.1uF
16V
+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
IC2300
25V
25V
BD9D320EFJ
POWER_ON/OFF1 R2304
10K EN
OPT 1
C2360
R2302 R2303 R1
0.1uF
5.1K 68K FB
16V 2
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 ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
+13V
+13V
L2303
UBW2012-121F
C2307
0.1uF
50V
PDIM2
PWM_DIM2
D13V
D13V
A13V
GND
PDIM1
PWM_DIM
GND
PANEL_CTL
R2354
SCLK R2355
4.7K
4.7K
SIN
L/DIM0_SCLK OPT
OPT
L/DIM0_MOSI
+3.3V_NORMAL
3.3V_EMMC
+5V_NORMAL
C2300
22uF
10V
POWER_ON/OFF2_3
OPT
C2366
0.1uF
16V
R2347
1
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
5 C2314 C2315
22uF
22uF
10V
10V
PANEL_POWER
Q2302 Change: Diodes --> NXP, 131118
Default_NXP
Q2302
PMV48XP
L2313
UBW2012-121F
C2331 R2317 C2333
0.1uF G
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
+2.5V
IC2302
TJ2132GDP
POWER_ON/OFF2_1 [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)
R2316
+1.1V_CORE
100
1/16W
1%
R2320
C2327
560K
1/10W
330pF
IC2301
5% 50V
MP8762HGLE-Z
LPBN8050T-1R0N
L2307
R2310
1.0uH
1K EN SW_2
1 16
FREQ SW_1
R1
2 15 C2337 C2356
C2346
22uF 22uF
22uF
10V 10V
10V
FB IN_2
3 14
R2
SS PGND_4
4 13
C2318
0.033uF
50V AGND PGND_3
5 12
R2311
100K PG PGND_2
6 11
C2316
1/16W
1uF
1%
VCC PGND_1
7 10
10V
L2312
BST IN_1
8 9
C2325 C2326
10uF 10uF
R2313
C2319
25V 25V
4.7
Vout=0.611*(1+R1/R2)
1/16W 0.1uF
5% 16V
+3.5V_ST
IC2305
TPS563200
GND VBST
1 6
VLS5045EXT-2R2N
L2306
2.2uH
SW EN
2 5
3A
VIN VFB
3 4
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%
RESET IC_DIODES_APX803D29
IC2307-*1
APX803D29
VCC RESET
3 2
+2.5V_NORMAL
1
GND
C2357
0.1uF
16V
DDR MAIN 1.5V
+3.5V_ST
L2308
PVIN_1
PVIN_2
C2340
C2339
0.1uF
10uF
PGND_1
10V 16V
+1.1V_VDD
PGND_2
+13V
+5.0V normal & USB
+13V
L2310
120-ohm
VIN_1
1
THERMAL
VIN_2
2 29
VIN_3
C2309 C2311 C2329 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
R2
24.9K 11K
R2327 R2328
C2330
0.0068uF
50V
PAGE 8
R2337
+3.5V_ST
100K
R2338
RESET IC_ROHM
10K
IC2307
OPT
BD48K28G
R2350
POWER_DET
VDD VOUT 100
3 2
1
C2355
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
POWER_ON/OFF2_2
OPT
C2361
0.1uF
16V
+1.5V_DDR
C2341
0.1uF
16V
VLS5045EXT-2R2N
L2309
2.2uH
SW_3
1 12
THERMAL
SW_2
2 11
17
C2345 C2349
SW_1
3 IC2303 10
22uF 22uF
BD9A300MUV C2342 10V 10V
SS
4 9
3A
0.01uF
50V
R1
R2331
1/16W 330K 5%
R2329
C2344
8.2K
1% 1/16W
50V 2700pF
R2
3A
Vout=0.8*(1+R1/R2)
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 for Currnet UP
18
SW_IN2
17
C2350
SW_IN1
16 1uF
10V
NFAULT1
15
Vout=0.6*(1+R1/R2)
5.1V:R1-51K, R2-6.8K
MID_LG1311 2014.05.28
POWER
8
LGE Internal Use Only
31