LG 42LB700T, 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.
ZD2304
5V
OPT
C2352
10uF
10V
+5V_NORMAL
Q2300
MMBT3906(NXP)
1
2
3
R2325-*1
2.7K
1%
P_DET_BOTH_12_3.5V
+3.5V_ST
+5V_USB_3
+3.5V_ST
R2304
10K
+3.5V_ST
R2358
33
1/16W
1%
PANEL_VCC
R2339
10K
IC2302
AP7173-SPG-13 HF(DIODES)
3
VCC
2
PG
4
EN
1
IN
5
GND
6
SS
7
FB
8
OUT
9
[EP]
L2313
UBW2012-121F
C2336
0.047uF
25V
R2356
1K
OPT
PANEL_CTL
POWER_ON/OFF2_3
R2326
1.2K
1%
P_DET_ONLY_12V
C2316
0.1uF
50V
C2365
0.1uF
16V
C2323
0.1uF
16V
R2303
68K
1/16W
1%
R2357
75
1/16W
1%
D2302
2.5V
OPT
INV_CTL
R2346 3.3K
LVDS_DISCHARGE
R2344
100K
1/16W
5%
C2315
22uF
10V
C2309
10uF
35V
OPT
10uF
C2327
10V
ZD2303
5V
R2330
0
5%
P_DET_BOTH_24_3.5V
R2307 1K
+1.5V_DDR
R2312
10K
+5V_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
PWM_DIM2
C2332
10uF
16V
POWER_ON/OFF2_1
C2342
0.01uF
50V
R2349-*1
100
P_DET_BOTH_24_3.5V
C2347
0.1uF
50V
L2309
2.2uH
NR5040T2R2N
C2344-*1
4700pF 50V
1.5V_DCDC_TI
C2345
22uF
10V
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]
C2340
0.1uF
16V
VA23001
5.6V
AMOTECH CO., LTD.
+3.3V_NORMAL
R2302
5.1K
1/16W
1%
C2350
1uF
10V
C2338
0.047uF
25V
C2310
1uF
10V
C2325
2200pF
50V
USB_CTL2
R2348
0
P_DET_BOTH_12_3.5V
L/DIM0_MOSI
C2318
22uF
10V
ZD2300
5V
OPT
C2331
0.1uF
50V
R2314
10K
+24V
R2328-*1
1.5K
1%
P_DET_BOTH_12_24V
C2354
100pF
50V
1.5V_DCDC_TI
R2326-*2
1.2K
1%
P_DET_BOTH_12_24V
C2356-*2
0.1uF
50V
P_DET_BOTH_12_24V
C2306
0.1uF
50V
+3.3V_NORMAL
C2320
0.1uF
16V
C2337
2200pF
50V
R2324
10K
+12V
R2325-*2
2.7K
1%
P_DET_BOTH_12_24V
C2351
22uF
10V
C2305
0.1uF
16V
R
2
3
3
5
1
6
K
1
%
L/DIM0_VS
R2336-*1
100K
P_DET_BOTH_24_3.5V
+3.5V_ST
R2355
4.7K
OPT
R2347
1
C2333
10uF
16V
C2321
1000pF
50V
+12V
R2353
100K
1/16W
5%
R2349-*2
100
P_DET_BOTH_12_24V
C2339
10uF
10V
C2313
0.1uF
16V
R
2
3
1
3
2
7
K
1
/
1
6
W
1
%
R2331
330K 1/16W 5%
POWER_ON/OFF2_2
L2301
2uH
C2335
100pF
50V
OPT
R
2
3
0
5
2
2
K
1
/
1
6
W
1
%
L/DIM0_SCLK
DVDD18_EMMC
L2310
120-ohm
C2307
0.1uF
16V
R
2
3
1
5
9
1
K
1
/
1
6
W
1
%
R2329-*1
15K
1/16W
5%
1.5V_DCDC_TI
L2304
UBW2012-121F
C2322
470pF
50V
R2328
1.5K
1%
P_DET_BOTH_24_3.5V
L2307
+2.5V_NORMAL
C2304
100pF
50V
3.3V_DCDC_RHOM
C2343
82pF
50V
C2349
22uF
10V
L2306
UBW2012-121F
C
2
3
2
4
1
u
F
2
5
V
R2349
100
P_DET_BOTH_12_3.5V
L2305
1uH
ZD2301
2.5V
OPT
R2325
2.7K
1%
P_DET_ONLY_12V
R2316
39K
1/16W
5%
C2357
0.1uF
16V
C2314
22uF
10V
R
2
3
3
2
1
6
K
1
/
1
6
W
1
%
Q2301
MMBT3904(NXP)
E
B
C
R2323
20K
1/16W
1%
C2330
0.0068uF
50V
C2348
22uF
10V
3.3V_EMMC
R2354
4.7K
OPT
+3.3V_NORMAL
L2308
R2342
10K
C2329
0.1uF
50V
C2346
10uF
10V
C2317
22uF
10V
+1.1V_VDD
R
2
3
3
3
1
8
K
1
/
1
6
W
1
%
L2300
BLM18PG121SN1D
L2302
BLM18PG121SN1D
C2344
2700pF 50V
1.5V_DCDC_RHOM
IC2306
AZ1117EH-ADJTRG1
ADJ/GND
OUT IN
C2356
0.1uF
50V
P_DET_BOTH_12_3.5V
L2303
UBW2012-121F
C2328
10uF
16V
C2303
0.1uF
16V
PWM_DIM
R2301
10K
C2311
10uF
35V
+3.3V_NORMAL
R2326-*1
1.2K
1%
P_DET_BOTH_12_3.5V
R
2
3
2
2
4
.
3
K
1
/
1
6
W
1
%
R2327
8.2K
P_DET_BOTH_24_3.5V
R2311
10K
+5V_USB_2
R2350
100
C2300
22uF
10V
R2336
100K
P_DET_BOTH_12_3.5V
R2351 4.7
R2306
2K
1/16W
5%
C2312
2200pF
50V
3.3V_DCDC_RHOM
+3.5V_ST
R2338
10K
OPT
POWER_ON/OFF2_4
R
2
3
2
1
2
K
1
/
1
6
W
1
%
R2318
5.1K
C2353
0.1uF
16V
1.5V_DCDC_TI
R
2
3
4
0
1
6
K
1
%
POWER_ON/OFF1
C2319
22uF
10V
POWER_DET
+12V
R2300
10K
R2308 3.3 1/10W 5%
R2317
30K
C2355
0.1uF
16V
+12V
R2310
1K
R2337
100K
C2302
10uF
16V
C2326
1uF
10V
R2329
8.2K
1/16W 1%
1.5V_DCDC_RHOM
+24V
+3.3V_NORMAL
R2309
100
ZD2302
2.5V
OPT
C2312-*1
3300pF
50V
3.3V_DCDC_TI
/USB_OCD3
R2327-*1
8.2K
P_DET_BOTH_12_24V
R2336-*2
100K
P_DET_BOTH_12_24V
/USB_OCD2
USB_CTL3
C2341
0.1uF
16V
+24V
C2356-*1
0.1uF
50V
P_DET_BOTH_24_3.5V
+3.5V_ST
+12V
C2334
2200pF
50V
RL_ON
R2345
6.8K 1/16W
1%
R2352
51K
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
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
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
.
IC2308
BD48K28G
P_DET_BOTH_12_3.5V_ROHM
1
GND
2
VOUT
3
VDD
IC2307
BD48K28G
RESET IC_ROHM
1
GND
2
VOUT
3
VDD
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
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]
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]
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
Q2302
PMV48XP
G
D S
L2311
4.7uH
R
2
3
4
1
1
5
0
K
1
%
C2308
10uF
10V C2301
10uF
10V
R2319 9.1K 1/16W 1%
8 31
2013.03.22 MID_LG1311
POWER
+1.8V - eMMC 4.51(LG1311-B0)
Vout=0.8*(1+R1/R2)
PAGE 8
Power_DET
R1
PANEL_POWER
Vout=0.765*(1+R1/R2)
R2
Vout=0.6*(1+R1/R2)
R1
Vout=0.8*(1+R1/R2)
+3.3V_NORMAL
6A
3A
R1
R2
R1
R1
not to RESET at 8kV ESD
8A
R2
3A
+5.0V normal & USB
DDR MAIN 1.5V
R2
12V-->3.58V
+2.5V
1.5A
R2
24V-->3.48V
+1.1V_CORE
ST_3.5V-->3.5V
POWER UP SEQUENCE
3.3V->5V->1.5V->1.1V->2.5V
On-semi
3A
+3.3V - eMMC 4.41(LG1311-A0)
Vout=0.6*(1+R1/R2)
Q2302 Change: Diodes --> NXP, 131118
L2311 Change, 131120
for Currnet UP
5.1V:R1-51K, R2-6.8K
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only