LG 55UF6790, Руководство по обслуживанию

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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.
LM14A_PWR_1_13V_only
2015-01-23
23
LM14A(UF68/UF64)
+12V
IC2303-*1
TPS54327DDAR
TI_TPS54327_1.5V_DDR_DCDC
3
VREG5
2
VFB
4
SS
1
EN
5
GND
6
SW
7
VBST
8
VIN
9
[EP]GND
+3.5V_ST
POWER_ON/OFF1
ZD2302
2.5V
DCDC_Diode
+1.5V_DDR
C2311
10uF
10V
R2308
33
1/16W
1%
R2334
100K
OPT
+3.3V_NORMAL
C2329
10pF
50V
IC2300
BD9D321EFJ
ROHM_BD9D321_1.5V_DDR_DCDC
3
VREG
2
FB
4
SS
1
EN
5
GND
6
SW
7
BOOT
8
VIN
9
[EP]
POWER_ON/OFF2_1
R2318
4.7K
C2341
0.047uF
25V
L2308
C2334
0.1uF
16V
C2344
22uF
16V
C
2
3
4
0
1
0
u
F
2
5
V
R2336
15K
5%
3.3V_EMMC
R2313
10K
ZD2304
2.5V
DCDC_Diode
USB_CTL3
+3.5V_ST
C2322
10uF
25V
ZD2303
DCDC_Diode
+3.3V_NORMAL
LD2300
3.3V_LED
R2321
4.7K
1%
R2317
4.7K
OPT
R2305
5.6K
1%
L2305
PZ1608U121-2R0TF
R2302
18K
1%
10uF
C2337
+3.3V_NORMAL
L2304
PZ1608U121-2R0TF
R2333
0
OPT
/USB_OCD3
POWER_ON/OFF2_3
IC2306-*1
APX803E29
RESET_IC_DIODES(MULTI)
1
GND
2
RESET
3
VCC
C2306-*1
3300pF
50V
3.3V_DCDC_TI
+12V
L2310
4.7uH
+12V
C2338
22uF
10V
C2301
0.1uF
25V
R
2
3
1
6
5
1
K
1
/
1
6
W
1
%
ZD2301
DCDC_Diode
+12V
C2346
0.0068uF
50V
+5V_USB_3
C2332
2200pF
50V
1.5V_DCDC_ROHM
R2314
10K
R2338
10K
R2323
33K
1/16W
1%
C2319
22uF
10V
C2303
100pF
50V
L2307
2.2uH
PS064T-2R2MS
C2309
22uF
10V
R2325 5.6K 1/16W 1%
R2327
100K
C2316
10uF
25V
DVDD18_EMMC
R
2
3
1
5
3
.
3
K
3.3V_LED
L2306
2.2uH
PS064T-2R2MS
R2307
75
1/16W
1%
L2300
PZ1608U121-2R0TF
POWER_DET
C2326
4700pF
50V
L2309
PZ1608U121-2R0TF
R2320
18K
1%
C2339
22uF
10V
C2306
2200pF
50V
3.3V_DCDC_ROHM
R2335
10K
OPT
+12V
IC2303
BD9D321EFJ
ROHM_BD9D321_1.5V_DDR_DCDC
3
VREG
2
FB
4
SS
1
EN
5
GND
6
SW
7
BOOT
8
VIN
9
[EP]
C2307
0.1uF
16V
C2300
10uF
25V
R2339
3.3K
1%
L2312
2.2uH
PS064T-2R2MS
+1.8V
+1.8V
TPS65282REGR
IC2302
1
EN
3
SS
7
FAULT2
9
SW_OUT2
10
RLIM
11
AGND
12
SW_OUT1
13
SW_IN_1
14
SW_IN_2
15
FB
16
LX_1
17
LX_2
18
BST
19
PGND_1
20
PGND_2
21
VIN_1
22
VIN_2
23
PGOOD
24
V7V
5
EN_SW2
8
FAULT1
6
EN_SW1
4
ROSC
2
COMP
25
[EP]GND
C2333
0.1uF
25V
R2332
10K
OPT
C2332-*1
3300pF
50V
1.5V_DCDC_TI
R2319
150K
1/16W
1%
C2313
0.1uF
16V
R2337
18K
1%
C2308
0.1uF
16V
C2305
1uF
10V
+3.3V_NORMAL
R2326
10K
C2312
22uF
10V
+3.3V_NORMAL
IC2306
KIC7529M2
RESET_IC_KEC(MULTI)
1
GND
2
OUT
3
VCC
C2323
0.1uF 16V
R2322
22K
1%
C2342
10uF
10V
+3.3V_NORMAL
L2303
BLM18PG121SN1D
R2303
1K
1%
ZD2300
DCDC_Diode
C2317
22uF
10V
IC2301
AZ1117EH-ADJTRG1
ADJ/GND
OUT IN
C2318
0.1uF
25V
+5V_NORMAL
+12V
C2321
22uF
10V
R2324 15K 1/16W 1%
C2343
82pF
50V
IC2300-*1
TPS54327DDAR
TI_TPS54327_1.5V_DDR_DCDC
3
VREG5
2
VFB
4
SS
1
EN
5
GND
6
SW
7
VBST
8
VIN
9
[EP]GND
C2310
10uF
10V
C2324
0.1uF
25V
R2330
100
IC2304
TPS563200
3
VIN
2
SW
4
VFB
1
GND
6
VBST
5
EN
C2314
22uF
10V
C2328
1uF
10V
C2320
100pF
50V
OPT
C2325
100pF
50V
+3.3V_NORMAL
+12V
R2312
4.7K
OPT
RL_ON
VA2301-*1 ICVS0505201FR
Multi_Innochips
VA2303
5.6V
AMOTECH CO., LTD.
Default_Amotech
C2302
0.1uF
50V
R2306
10K
INV_CTL
C2345
0.1uF
50V
R2300
1K
VA2301
5.6V
AMOTECH CO., LTD.
Default_Amotech
R2301
10K
VA2300
5.6V
AMOTECH CO., LTD.
Default_Amotech
VA2302
20V
OPT
ADUC 20S 02 010L
L2302
UBW2012-121F
VA2300-*1 ICVS0505201FR
Multi_Innochips
+3.5V_ST
L2311
UBW2012-121F
PWM_DIM
PWM_DIM2
C2335
10uF
10V
R2304
100
VA2303-*1 ICVS0505201FR
Multi_Innochips
R2311
4.7K
OPT
Q2300
MMBT3906(NXP)
1
2
3
VA2304
5.6V
AMOTECH CO., LTD.
Default_Amotech
C2304
0.1uF
50V
VA2304-*1 ICVS0505201FR
Multi_Innochips
VA2305
20V
OPT
ADUC 20S 02 010L
C2348
0.1uF
50V
L2313
UBW2012-121F
Q2321-*1
MMBT3904(NXP)
NXP_PANEL_CTL_TR
E
B
C
IC2309
AO4447A
AOS_PANEL_POWER_FET
3
S_3
2
S_2
4
G
1
S_1
5
D_1
6
D_2
7
D_3
8
D_4
R2360
2K
OPT
R2328
10K
PANEL_CTL
R2362
0
R2329
10K
R2331
1.8K
+12V
R2361
0
OPT
C2370
0.1uF
25V
C2330
0.1uF
25V
RL_ON
C2331
0.01uF
50V
R2359
2K
OPT
PANEL_VCC
C2327
10uF
25V
OPT
C2315
1uF
25V
OPT
Q2321
2N3904S
KEC_PANEL_CTL_TR
E
B
C
C2369
10uF
25V
C2371
10uF
10V
IC2309-*1
RRH140P03TB
ROHM_PANEL_POWER_FET
3
S_3
2
S_2
1
S_1
4
G
5
D_1
6
D_2
7
D_3
8
D_4
C2367
10uF
25V
OPT
+24V_AMP
R2309
100
EPI
PWM_TOUT
PWM_TIN
R2310
33
OPT
R2340
33
Vx1
R2363
0
OPT
P2302
SMAW200-H16S5K(BK)(LTR)
16P_POWER_WAFER
14
9
4
13
8
3
12
7
2
16
11
6
1
15
10
5
17
P2301
SMAW200-H12S5K(BK)(LTR)
12P_POWER_WAFER
R2341
100
EPI
C2347
10uF
25V
C2336
0.1uF
25V
C2372
0.1uF
ESD_DCDC
C2349
0.1uF
ESD_DCDC
C2350
0.1uF
ESD_DCDC
Vout=0.765*(1+R1/R2)
R2
POWER_ON/OFF1(5V)
Vout=0.8*(1+R1/R2)
POWER_ON/OFF2_4(1.1V)
4A
+3.3V_NORMAL
R1
not to RESET at 8kV ESD
R2
13V-->3.53V
LM15 Power SEQUENCE
Power_DET
+5V_Normal & +5V_USB with OCP
DDR +1.5V
R2
R1
3A
POWER_ON/OFF2_3(1.5V)
Switching freq: 700K
R2
R1
Vout=0.765*(1+R1/R2)=3.36V
POWER_ON/OFF2_1(3.3V)
3A
+3.5V_ST
Switching freq: 700K
Vout=0.765*(1+R1/R2)=1.554V
3A
R1
+3.3V - eMMC
+1.8V - LM15U, eMMC
& Vx1 pull-up
’15 UHD 13V ONLY POWER
UF68/64:13V
UF77:12V
TYP 6000mA
PANEL_POWER
UF77:24V_AMP
UF68/64:13V_AMP