LG 42LY770M, Руководство по обслуживанию

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THERMAL
THERMAL
THERMAL
THERMAL
THERMAL
THERMAL
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.
C2322
470pF
50V
L2313
UBW2012-121F
C2317
22uF
10V
POWER_ON/OFF2_3
R2304 10K
C2325
2200pF
50V
R2307 1K
+12V
C2316
0.1uF
50V
L/DIM0_SCLK
C2305
0.1uF
16V
R2314
10K
C2321
1000pF
50V
C2318
22uF
10V
Q2301
MMBT3904(NXP)
E
B
C
C2333
10uF
16V
L2304
UBW2012-121F
+12V
C2347
0.1uF
50V
+24V
+1.1V_VDD
L2302
BLM18PG121SN1D
R2302
5.1K
1/16W
1%
L2301
2uH
+3.3V_NORMAL
L2305
1uH
+3.3V_NORMAL
R2316
39K
1/16W
5%
R2310
1K
OPT
ZD2300
5V
C2332
10uF
16V
R2315
91K
1/16W
1%
L2306
UBW2012-121F
L/DIM0_VS
R
2
3
1
3
2
7
K
1
/
1
6
W
1
%
C2307
0.1uF
16V
L2303
UBW2012-121F
R2303
68K
1/16W
1%
C2313
0.1uF
16V
C2310
1uF
10V
PWM_DIM2
+3.5V_ST
C2314
22uF
10V
C2319
22uF
10V
C2312
2200pF
50V
3.3V_DCDC_RHOM
C2320
0.1uF
16V
POWER_ON/OFF1
C2323
0.1uF
16V
PANEL_CTL
PANEL_VCC
L/DIM0_MOSI
ZD2301
2.5V
OPT
+12V
R
2
3
0
5
2
2
K
1
/
1
6
W
1
%
PWM_DIM
L2300
BLM18PG121SN1D
C2326
1uF
10V
+3.3V_NORMAL
R2309 100
R2306 2K
1/16W
5%
3.3V_EMMC
C2306
0.1uF
50V
C2300
22uF
10V
+12V
R2346
3.3K
LVDS_DISCHARGE
C2302
10uF
16V
C2304 100pF 50V
3.3V_DCDC_RHOM
INV_CTL
R2311
10K
L2307
C2331
0.1uF
50V
C2328
10uF
16V
C2315
22uF
10V
VA2300
5.6V
ZD2303
5V
+3.5V_ST
Q2305
RT1P141C-T112
E
B
C
R2364 10K
Q2304
MMBT3904(NXP) E
B
C
R2351
10K
+3.5V_ST
RL_ON
+3.5V_ST
+3.5V_ST
+3.5V_ST
+3.5V_ST
+3.5V_ST
R2355
4.7K
OPT R2354
4.7K
OPT
R2356
1K
OPT
R2358
33
1/16W
1%
R2357
75
1/16W
1%
R2347
1
DVDD18_EMMC
D2302
2.5V
OPT
+3.3V_NORMAL
IC2300-*1
TPS54327DDAR
3.3V_DCDC_TI
3
VREG5
2
VFB
4
SS
1
EN
5
GND
6
SW
7
VBST
8
VIN
9
[EP]GND
C2312-*1
3300pF
50V
3.3V_DCDC_TI
R2317
30K
R2318
5.1K
R2359
4.7
R2329-*1
15K
1/16W
5%
1.5V_DCDC_TI
R2338
10K
OPT
C2349
22uF
10V
C2338
0.047uF
25V
+3.5V_ST
+5V_USB_2
C2329
0.1uF
50V
+3.5V_ST
R2326-*2
1.2K
1%
P_DET_BOTH_12_24V
C2340
0.1uF
16V
R2328
1.5K
1%
P_DET_BOTH_24_3.5V
/USB_OCD2
R2344
100K
1/16W
5%
R
2
3
4
0
1
6
K
1
%
IC2303-*1
TPS54319TRE
1.5V_DCDC_TI
1
VIN_1
3
GND_1
7
COMP
9
SS/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]
R
2
3
3
3
1
8
K
1
/
1
6
W
1
%
+12V
C2352
10uF
10V
R2339 10K
POWER_ON/OFF2_2
C2311
10uF
35V
R2349
100
P_DET_BOTH_12_3.5V
C2350
1uF
10V
C2353 0.1uF
16V
1.5V_DCDC_TI
R2336-*1
100K
P_DET_BOTH_24_3.5V
+5V_NORMAL
R2349-*2
100
P_DET_BOTH_12_24V
C2341 0.1uF
16V
R2353
100K
1/16W
5%
L2310
120-ohm
R2325-*1
2.7K
1%
P_DET_BOTH_12_3.5V
C2336
0.047uF
25V
R2349-*1
100
P_DET_BOTH_24_3.5V
R2331
330K 1/16W 5%
+1.5V_DDR
C2356-*1
0.1uF
50V
P_DET_BOTH_24_3.5V
C2343
82pF
50V
R
2
3
3
2
1
6
K
1
/
1
6
W
1
%
C2365
0.1uF
16V
R2330
0
5%
P_DET_BOTH_24_3.5V
L2309
2.2uH
NR5040T2R2N
R2326
1.2K
1%
P_DET_ONLY_12V
C2342
0.01uF
50V
+3.5V_ST
ZD2302
2.5V
OPT
USB_CTL2
POWER_ON/OFF2_4
R2326-*1
1.2K
1%
P_DET_BOTH_12_3.5V
POWER_DET
+24V
C
2
3
2
4
1
u
F
2
5
V
C2348
22uF
10V
R2329
8.2K
1/16W 1%
1.5V_DCDC_RHOM
C2339
10uF
10V
R2324
10K
C2330
0.0068uF
50V
+3.5V_ST
C2344-*1
4700pF 50V
1.5V_DCDC_TI
R2350
100
C2356-*2
0.1uF
50V
P_DET_BOTH_12_24V
R2337
100K
L2308
C2334
2200pF
50V
C2351
22uF
10V
R2342
10K
R2328-*1
1.5K
1%
P_DET_BOTH_12_24V
R2325
2.7K
1%
P_DET_ONLY_12V
R2336 100K
P_DET_BOTH_12_3.5V
C2345
22uF
10V
R2325-*2
2.7K
1%
P_DET_BOTH_12_24V
C2344
2700pF 50V
1.5V_DCDC_RHOM
R2336-*2
100K
P_DET_BOTH_12_24V
C2355
0.1uF
16V
C2354
100pF
50V
1.5V_DCDC_TI
C2335
100pF
50V
OPT
R
2
3
3
5
1
6
K
1
%
R2348
0
P_DET_BOTH_12_3.5V
R2327-*1
8.2K
P_DET_BOTH_12_24V
C2356
0.1uF
50V
P_DET_BOTH_12_3.5V
R2327
8.2K
P_DET_BOTH_24_3.5V
+24V
C2309
10uF
35V
OPT
USB_CTL3
/USB_OCD3
10uF
C2327
10V
C2337
2200pF
50V
+3.3V_NORMAL
R
2
3
2
2
4
.
3
K
1
/
1
6
W
1
%
IC2302
AP7173-SPG-13 HF(DIODES)
3
VCC
2
PG
4
EN
1
IN
5
GND
6
SS
7
FB
8
OUT
9
[EP]
ZD2304
5V
OPT
POWER_ON/OFF2_1
C2346
10uF
10V
+5V_NORMAL
C2357
0.1uF
16V
R2312 10K
R
2
3
2
1
2
K
1
/
1
6
W
1
%
+2.5V_NORMAL
P2300
SMAW200-H18S5
POWER_WAFER_18PIN
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
15
10
5
19
R2319 9.1K 1/16W 1%
R2320 10.7K 1/16W 1%
IC2307-*1
APX803D29
RESET IC_DIODES
1
GND
3
VCC
2
RESET
IC2308-*1
APX803D29
P_DET_BOTH_12_3.5V_DIODES
1
GND
3
VCC
2
RESET
IC2303
BD9A300MUV
1.5V_DCDC_ROHM
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
IC2300
BD9D320EFJ
3.3V_DCDC_ROHM
3
VREG
2
FB
4
SS
1
EN
5
GND
6
SW
7
BOOT
8
VIN
9
[EP]FIN
P2301
SMAW200-H24S5
POWER_WAFER_24PIN
19
GND
14
12V
9
24V
4
PDIM#1
18
GND
13
12V
8
PDIM#2
3
3.5V
17
GND
12
GND
7
GND
2
INV ON
16
24V
11
GND
6
3.5V
1
PWR ON
20
GND
15
12V
10
24V
5
3.5V
21
GND
22
L/DIMO_VS
23
L/DIM0_MOSI
24
L/DIM0_SCLK
25
.
IC2306
AZ1117EH-ADJTRG1
ADJ/GND
OUT
IN
IC2301
TPS53513RVER
1
RF
3
EN
7
SW_2
9
SW_4
10
PGND_1
11
PGND_2
12
PGND_3
13
PGND_4
14
PGND_5
15
VIN_1
16
VIN_2
17
VIN_3
18
NC_2
19
VDD
20
VREG
21
MODE
22
GND
23
FB
24
VO
25
TRIP
26
NC_3
27
GND1
28
GND2
5
NC_1
8
SW_3
6
SW_1
4
VBST
2
PGOOD
29
[EP]
IC2307
BD48K28G
RESET IC_ROHM
1
GND
2
VOUT
3
VDD
IC2308
BD48K28G
P_DET_BOTH_12_3.5V_ROHM
1
GND
2
VOUT
3
VDD
IC2304
SN1302001(TPS65286RHDR)
1
VIN_1
3
VIN_3
7
V7V
9
EN
10
SW_OUT2
11
SW_OUT1
12
SW_EN2
13
SW_EN1
14
NFAULT2
15
NFAULT1
16
SW_IN1
17
SW_IN2
18
BST
19
LX_1
20
LX_2
21
LX_3
22
SS
23
FB
24
COMP
25
RLIM
26
RSET1
27
RSET2
28
AGND
5
PGND_2
8
MODE/SYNC
6
PGND_3
4
PGND_1
2
VIN_2
29
[EP]
Q2302
PMV48XP
G
D S
L2311
4.7uH
C2301
10uF
10V C2308
10uF
10V
R
2
3
4
1
1
5
0
K
1
%
R2345
6.8K 1/16W
1%
R2352
51K
1/16W
1%
C2303
0.1uF
16V
R2308
3.3
1/10W
5%
R2301
100K
R2363
100K
R2360
100K
R2361
100K
R2362
100K
R2323
20K
1/16W
1%
+5V_USB_3
25
7
2014.07.10
PANEL_POWER
+1.1V_CORE
+3.3V - eMMC 4.41(LG1311-A0)
+3.3V_NORMAL
+1.8V - eMMC 4.51(LG1311-B0)
Vout=0.765*(1+R1/R2)
Vout=0.6*(1+R1/R2)
3A
not to RESET at 8kV ESD
12V-->3.58V
R2
+5.0V normal & USB
Vout=0.8*(1+R1/R2)
3A
6A
R1
On-semi
Power_DET
Vout=0.6*(1+R1/R2)
24V-->3.48V
ST_3.5V-->3.5V
3A
DDR MAIN 1.5V
R1
R2
1.5A
Vout=0.8*(1+R1/R2)
R2
+2.5V
R1
R1
R2
R1
R2
5.1V:R1-51K, R2-6.8K
POWER
L2311 Change, 131120
for Current UP
POWER UP SEQUENCE
3.3V->5V->1.5V->1.1V->2.5V
LY770M-UA
Copyright © 2014 LG Electronics Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only