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.
R2333
22
POWER_ON/OFF2_2
C2308
100pF
50V
L2308
2.2uH
NR5040T2R2N
IC2300
BD9D320EFJ
DCDC_ROHM
3
VREG
2
FB
4
SS
1
EN
5
GND
6
SW
7
BOOT
8
VIN
9
[EP]FIN
R2337
100K
R2325
2.7K
1%
PD_+12V
ZD2302
5V
OPT
R2305
3.6K
1%
C2362
0.1uF
16V
PWR_DET_SEPARATE
C2313
1uF
10V
3.3V_EMMC
IC2300-*1
TPS54327DDAR
DCDC_TI
3
VREG5
2
VFB
4
SS
1
EN
5
GND
6
SW
7
VBST
8
VIN
9
[EP]GND
+5V_NORMAL
IC2308-*1
APX803D29
PD_20_24V_DIODES
1
GND
3
VCC
2
RESET
POWER_DET_1
C2353
22uF
L2307
2.2uH
NR5040T2R2N
C2315
2200pF
50V
1.0V_DCDC_ROHM
+3.5V_ST
C2374
1uF
10V
R2357
3.3
1/10W
5%
C2310
1uF
10V
R2327-*2
9.1K
1%
PD_UHD_24V
R2356
1K
R2342
1.5K
R2330
0
5%
PD_+3.5V
+3.3V_NORMAL
C2342
10uF
10V
C2375
10uF
16V
R2306
33K
1%
R2363
5.1K
1/16W
1%
Q2303
2SC3052
E
B
C
C2366
22uF
IC2302
AP2132MP-2.5TRG1
EAN61387601
3
VIN
2
EN
4
VCTRL
1
PG
5
NC
6
VOUT
7
ADJ
8
GND
9
[EP]
R2316
0
PWR_DET_SEPARATE
C2312
2200pF
50V
1.0V_DCDC_ROHM
+12V
R2313
10K
IC2303-*1
TPS54327DDAR
DCDC_TI
3
VREG5
2
VFB
4
SS
1
EN
5
GND
6
SW
7
VBST
8
VIN
9
[EP]GND
L2301
BLM18PG121SN1D
+3.5V_ST
R2327-*1
5.6K
1%
PD_20V
POWER_ON/OFF2_3
C2314
0.1uF
16V
C2371
470pF
50V
C2315-*1
3300pF
50V
1.0V_DCDC_TI
R2304
10K
+12V
+12V
R
2
3
6
0
2
7
K
1
/
1
6
W
1
%
R2307
22K
1%
C2327
0.1uF
16V
IC2307-*1
APX803D29
RESET_IC_DIODES
1
GND
3
VCC
2
RESET
C2372
0.1uF
16V
L2302
BLM18PG121SN1D
R2355
2K
1/16W
5%
IC2308
BD48K28G
PD_20_24V_ROHM
1
GND
2
VOUT
3
VDD
+12V
C2300
22uF
10V
C2340
22uF
10V
POWER_ON/OFF2_4
R2327
8.2K
1%
PD_24V
ZD2303
2.5V
OPT
C2301
10uF
16V
R2326
1.2K
1%
PD_+12V
R2346
11K
R2336
100K
PD_20_24V
C2312-*1
3300pF
50V
1.0V_DCDC_TI
R2315
0
PWR_DET_MERGE
R
2
3
2
2
3
.
9
K
C2302
10uF
16V
POWER_ON/OFF2_3
L2321
1uH
C2337
1uF
C2359
0.1uF
R2302
11K
1%
R2321
1.2K
C2356
0.1uF
16V
PD_20_24V
R
2
3
6
1
9
1
K
1
/
1
6
W
1
%
C2320
22uF
10V
C2348
22uF
10V
C2373
2200pF
50V
IC2309
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]
C2360
0.1uF
ZD2300
2.5V
OPT
+3.3V_NORMAL
L2300
BLM18PG121SN1D
R2341
10K
+3.5V_ST
+1.2V_VDD
C2318
0.1uF
16V
C2376
10uF
16V
IC2307
BD48K28G
RESET_IC_ROHM
1
GND
2
VOUT
3
VDD
C2369
0.1uF
16V
+2.5V_Normal
+24V
C2365
0.1uF
16V
R2359
10K
R2362
39K
1/16W
5%
+3.3V_NORMAL
C2321
22uF
10V
C2305
0.1uF
16V
R2365
20K
1/16W
1%
LD2300
R2338
10K
OPT
R2328
1.5K
1%
PD_24V
R2328-*1
1.3K
1%
PD_20V
+1.0V_VDD
C2361
22uF
POWER_DET
C2303
100pF
50V
ZD2304
2.5V
OPT
L2322
R2312
10K
+1.5V_DDR
IC2303
BD9D320EFJ
DCDC_ROHM
3
VREG
2
FB
4
SS
1
EN
5
GND
6
SW
7
BOOT
8
VIN
9
[EP]FIN
R2358
4.7
R2328-*2
1.6K
1%
PD_UHD_24V
C2355
0.1uF
16V
0.1uF
C2341
R2303
18K
1%
C2370
1000pF
50V
R2364
4.87K
1/16W
1%
D2301
30V
R2368
100
1/16W
1%
POWER
2013-12-17
BSD-14Y-UD-023-HD
LG1154AN : 3.3V->2.5V->1.0V
R2
else : Max 0.7A
LG1154D : 3.3V->2.5V->1.5V->1.1V
Main +1.5V
2A
eMMC POWER
Vout=0.6*(1+R1/R2)
5V/3.3V->2.5V->1.5V/1.1V->1.0V
3A
Vout=0.765*(1+R1/R2)
ST_3.5V-->3.5V
POWER UP SEQUENCE
R1
+1.0V_VDD
24V-->3.48V
LG1154A
not to RESET
at 8kV ESD
R2
12V-->3.58V
+1.2V_CORE
20V-->3.51V
Power_DET
R2
R1
Vout=0.6*(1+R1/R2)
R1
+2.5V
8A
T2 : Max 1.7A
3A
R2
Vout=0.765*(1+R1/R2)=1.516V
R1
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Содержание 55UB8500
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