10.
Circuit Diagrams and PWB Layouts
10-1-14
4-DCDC-SYSTEM-POWER1
19800_513.eps
4-DCDC-SYSTEM-POWER1
B14
B14
2015-06-11
4
715G7132
4-DCDC-SYSTEM-POWER1
BL-I-CTRLn
12V-DETECT
POWER-OK
POWER-ON
SOC-BL-ONn
BL-ON
STANDBY
POWER-ON
NT-CTRL-DISP3
DDR-PWR-EN
DDR-PWR-EN
BL-DIM2
BL-I-CTRLn
BL-DIM3
SOC-BL-ONn
BL-DIM5
BL-DIM4
BL-DIM1
BL-DIM8
BL-DIM7
BL-DIM6
12V-DETECT
BL-DIM5
BL-I-CTRL
BL-DIM3
BL-DIM8
BL-DIM6
BL-DIM7
BL-DIM4
NT-BL-ONn
NT-BL-ONn
STANDBY
POWER-OK
+12V
+12V
+12V-AMBI
+12V-AMBI
+12V
+12V
+12V-AUDIO
+12V-AUDIO
BL-DIM1
BL-DIM2
BL-ON
BL-I-CTRL
+3V5-SB
POWER-ON
SUP-DDR
NT-LCD-PWR-ON
NT-LCD-PWR-ON
+3V5-SB
+1V0-AVDD
+1V0-VCCK
+12V
+3V5-SB
+3V3-STANDBY
+5V-SW
+3V3-AVDD
+3V3-AVDD
+3V3
+3V3
+1V0-VCCK
+1V8-EMMC-IO
+1V8-TUNER
+3V3
+3V3
+5V-SW
+12V
+3V5-SB
+5V-SW
+1V5-DDR
+12V
+12V-AUDIO
+3V3-STANDBY
+12V-AMBI
+12V
+3V5-SB
+3V3
+5V-SW
+3V3
+3V3
+12V
+5V-SW
+1V0-VCCK
+12V
+1V2
+3V3
+12V-AUDIO
+12V
+3V3
NT-CTRL-DISP3
8,9,18
DDR-PWR-EN
20
SOC-BL-ONn
7
BL-I-CTRLn
8,20
BL-DIM2
8
BL-DIM1
8,9
BL-DIM4
8
BL-DIM3
8
BL-DIM6
8
BL-DIM5
8
BL-DIM8
8
BL-DIM7
8
12V-DETECT
17,20
STANDBY
2
POWER-OK
20
NT-BL-ONn
8
POWER-ON 18
SENSE+1V0-VCCK
14
NT-LCD-PWR-ON
8,9,18
Item number in function group 4 sub-group 3
DC POWER INPUT
+1V8 From +3V3
Close to main chip
AVDD3V3/DVDD3V3
AVDD1V0 From AVDD3V3
DRAM Power
0.7Vref
12V drop detect
To PSU
1%
1%
To create VB1 return path
0.765Vref
TUNER VCC From +12V
New DC-DC converter
0.8V
FB4106
NC/30R 1A
FB4106
NC/30R 1A
1
2
R4360
3R3 1/16W 5%
R4360
3R3 1/16W 5%
FB4305
NC/120R/3000mA
FB4305
NC/120R/3000mA
1
2
TP4341
TP4341
TP4359
TP4359
C4354
1uF 10V
C4354
1uF 10V
C4
3
7
3
10UF 6.
3
V X5R +-20
%
C4
3
7
3
10UF 6.
3
V X5R +-20
%
C4336
10UF 6.3V X5R +-20%
C4336
10UF 6.3V X5R +-20%
TP4143
TP4143
C4356
10UF 6.
3
V X5R +-20
%
C4356
10UF 6.
3
V X5R +-20
%
NC/10K+-5
%
1/16W
R4
3
06
NC/10K+-5
%
1/16W
R4
3
06
TP4336
TP4336
TP4354
TP4354
TP4358
TP4358
C4358
100N16V
C4358
100N16V
TP4367
TP4367
TP4335
TP4335
R4355
22K 1/16W
R4355
22K 1/16W
C4
338
10UF 16V
C4
338
10UF 16V
TP4361
TP4361
C4
3
2
8
22UF 6.
3
V
C4
3
2
8
22UF 6.
3
V
FB4304
120R/3000mA
FB4304
120R/3000mA
1
2
TP4360
TP4360
C4
38
4
3
.3
nF 50V
C4
38
4
3
.3
nF 50V
R4
3
76
1
8
K OH
M
R4
3
76
1
8
K OH
M
U4305
AON7932
U4305
AON7932
G1
1
D1
2
D1
3
D1
4
S2
5
S2
6
S2
7
G2
8
S
1/
D
2
9
D1
10
C4
3
14
2.2nF 50V
C4
3
14
2.2nF 50V
TP4301
TP4301
R4
3
27
NC/27K 1/16W 5
%
R4
3
27
NC/27K 1/16W 5
%
R4
33
0
1.
65K 1
%
R4
33
0
1.
65K 1
%
TP4346
TP4346
R4308
100OHM1/16W
R4308
100OHM1/16W
R4329
100OHM1/16W
R4329
100OHM1/16W
TP4344
TP4344
R4
338
NC/0R05 OHM
R4
338
NC/0R05 OHM
FB4300
NC/30R 1A
FB4300
NC/30R 1A
1
2
C4
3
06
NC/1nF 50V
C4
3
06
NC/1nF 50V
TP4147
TP4147
TP4333
TP4333
C4
3
02
NC/1nF 50V
C4
3
02
NC/1nF 50V
TP4351
TP4351
R4302
100OHM1/16W
R4302
100OHM1/16W
R4304
100OHM1/16W
R4304
100OHM1/16W
R4325
NC/1K 1/16W
R4325
NC/1K 1/16W
FB4105
30R 1A
FB4105
30R 1A
1
2
R4
3
61
100K 1/16W
R4
3
61
100K 1/16W
TP4350
TP4350
C4363
100N16V
C4363
100N16V
C4
38
5
100N16V
C4
38
5
100N16V
L4300
3.6uH
L4300
3.6uH
C4
3
49
10UF 16V
C4
3
49
10UF 16V
TP4334
TP4334
D4303
FB340M
D4303
FB340M
1
2
TP4318
TP4318
R4320
4.7K 1/16W
R4320
4.7K 1/16W
TP4337
TP4337
C4345
NC/100N16V
C4345
NC/100N16V
R4326
100K 1/16W
R4326
100K 1/16W
C4
3
11
1nF 50V
C4
3
11
1nF 50V
R4362
0R05 OHM
R4362
0R05 OHM
TP4363
TP4363
C4
33
0
10UF 6.
3
V X5R +-20
%
C4
33
0
10UF 6.
3
V X5R +-20
%
TP4330
TP4330
R4
333
5.
1K 1
%
R4
333
5.
1K 1
%
TP4352
TP4352
R4347
NC/100OHM1/16W
R4347
NC/100OHM1/16W
TP4300
TP4300
C4
3
25
100pF 50V
C4
3
25
100pF 50V
C4337
NC/10UF 6.3V X5R +-20%
C4337
NC/10UF 6.3V X5R +-20%
TP4317
TP4317
C4
3
20
22UF 20
%
6.
3
V
C4
3
20
22UF 20
%
6.
3
V
TP4322
TP4322
TP4315
TP4315
C4382
10UF 6.3V X5R +-20%
C4382
10UF 6.3V X5R +-20%
TP4328
TP4328
RP4372
NC/22R
RP4372
NC/22R
1
2
3
4
8
7
6
5
C4334
10UF 6.3V X5R +-20%
C4334
10UF 6.3V X5R +-20%
C4
3
50
10UF 16V
C4
3
50
10UF 16V
C4
38
9
22UF 20
%
6.
3
V
C4
38
9
22UF 20
%
6.
3
V
R4337
100K 1/16W
R4337
100K 1/16W
C4362
100N16V
C4362
100N16V
C4371
100N16V
C4371
100N16V
+
C4377
NC/100UF 16V
+
C4377
NC/100UF 16V
C4
3
64
10UF 16V
C4
3
64
10UF 16V
TP4145
TP4145
FB4309
120R/3000mA
FB4309
120R/3000mA
1
2
R4374
10K+-5%1/16W
R4374
10K+-5%1/16W
C4
3
1
8
1UF16V
C4
3
1
8
1UF16V
TP4370
TP4370
TP4311
TP4311
R4359
100K 1/16W
R4359
100K 1/16W
C4
38
1
NC/1nF 50V
C4
38
1
NC/1nF 50V
C4
38
0
22UF 6.
3
V
C4
38
0
22UF 6.
3
V
TP4150
TP4150
R4305
100OHM1/16W
R4305
100OHM1/16W
R4363
4K7 1%
R4363
4K7 1%
C4
3
21
10UF 16V
C4
3
21
10UF 16V
R4
3
45
1
8
0K
R4
3
45
1
8
0K
R4
3
40
10K+-5
%
1/16W
R4
3
40
10K+-5
%
1/16W
C4
3
76
22UF 6.
3
V
C4
3
76
22UF 6.
3
V
C4
3
07
NC/1nF 50V
C4
3
07
NC/1nF 50V
TP4320
TP4320
C4
3
0
8
NC/1nF 50V
C4
3
0
8
NC/1nF 50V
R4369
1M 1/16W
R4369
1M 1/16W
U4303
G9661
U4303
G9661
POK
1
VEN
2
VIN
3
VPP
4
NC
5
VO
6
ADJ
7
GND
8
E-Pad
9
CN1190
CN1190
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
3
0
R4348
22K 1/16W
R4348
22K 1/16W
C4392
470PF 50V
C4392
470PF 50V
C4360
100N16V
C4360
100N16V
TP4347
TP4347
C4347
3.3nF 50V
C4347
3.3nF 50V
TP4368
TP4368
C4
3
2
3
NC/1nF 50V
C4
3
2
3
NC/1nF 50V
U4300
G9661
U4300
G9661
POK
1
VEN
2
VIN
3
VPP
4
NC
5
VO
6
ADJ
7
GND
8
E-Pad
9
C4375
10UF 6.3V X5R +-20%
C4375
10UF 6.3V X5R +-20%
TP4331
TP4331
TP4349
TP4349
R4
3
75
4.
7K 1/
4W
R4
3
75
4.
7K 1/
4W
C4
3
05
NC/1nF 50V
C4
3
05
NC/1nF 50V
R4315
NC/10K+-5%1/16W
R4315
NC/10K+-5%1/16W
R4
3
65
12K +-1
%
1/16W
R4
3
65
12K +-1
%
1/16W
L4103
1.5uH
L4103
1.5uH
+
C4310
NC/100UF 16V
+
C4310
NC/100UF 16V
TP4343
TP4343
R4349
NC/22K 1/16W
R4349
NC/22K 1/16W
TP4353
TP4353
C4374
100N16V
C4374
100N16V
R4352
15K 1%
R4352
15K 1%
FB4307
120R/3000mA
FB4307
120R/
1
2
TP4319
TP4319
L4301
1.5uH
L4301
1.5uH
TP4144
TP4144
TP4364
TP4364
FB4302
120R/3000mA
FB4302
120R/3000mA
1
2
C4332
100N16V
C4332
100N16V
R4312
10K+-5%1/16W
R4312
10K+-5%1/16W
FB4303
120R/3000mA
FB4303
120R/3000mA
1
2
R4311
4.7K 1/16W
R4311
4.7K 1/16W
R4341
240 OHM +-1% 1/16W
R4341
240 OHM +-1% 1/16W
C4
3
4
8
10UF 16V
C4
3
4
8
10UF 16V
C4359
100N16V
C4359
100N16V
C4391
1nF 50V
C4391
1nF 50V
TP4305
TP4305
R4313
100OHM1/16W
R4313
100OHM1/16W
C4386
100N16V
C4386
100N16V
R4
3
10
4.7K 1/16W
R4
3
10
4.7K 1/16W
TP4148
TP4148
R4
3
6
8
10K 1/16W
R4
3
6
8
10K 1/16W
D4302
FB340M
D4302
FB340M
1
2
TP4304
TP4304
TP4365
TP4365
Q4301
MMBT3904
Q4301
MMBT3904
R4
3
67
12K +-1
%
1/16W
R4
3
67
12K +-1
%
1/16W
R4323
0R05 OHM
R4323
0R05 OHM
R4
3
5
3
10K+-5
%
1/16W
R4
3
5
3
10K+-5
%
1/16W
C4
3
52
10UF 16V
C4
3
52
10UF 16V
R4358
10OHM1/16W
R4358
10OHM1/16W
FB4310
120R/3000mA
FB4310
120R/3000mA
1
2
TP4312
TP4312
R4319
0R05 OHM
R4319
0R05 OHM
R4334
6.8K 1/16W
R4334
6.8K 1/16W
TP4325
TP4325
R4
33
5
22K 1/16W
R4
33
5
22K 1/16W
U4307
RT7277GSP
U4307
RT7277GSP
EN
1
FB
2
PVCC
3
SS
4
GND
5
SW
6
BOOT
7
VIN
8
GND
9
C4313
NC/1nF 50V
C4313
NC/1nF 50V
Q4303
BTA1576S3
Q4303
BTA1576S3
1
2
3
C4333
10UF 6.3V X5R +-20%
C4333
10UF 6.3V X5R +-20%
R4300
100OHM1/16W
R4300
100OHM1/16W
C4327
100N16V
C4327
100N16V
C4366
220pF 50V
C4366
220pF 50V
R4303
100OHM1/16W
R4303
100OHM1/16W
C4387
100N16V
C4387
100N16V
TP4339
TP4339
TP4303
TP4303
TP4356
TP4356
C4
3
0
3
NC/1nF 50V
C4
3
0
3
NC/1nF 50V
C4370
100N16V
C4370
100N16V
C4
3
4
3
10UF 6.
3
V X5R +-20
%
C4
3
4
3
10UF 6.
3
V X5R +-20
%
TP4313
TP4313
TP4142
TP4142
C4312
100NF 25V
C4312
100NF 25V
R4324
47K 1/16W
R4324
47K 1/16W
R4364
120K 1/16W 5%
R4364
120K 1/16W 5%
R4
3
07
NC/2.2K
1/1
6
W
R4
3
07
NC/2.2K
1/1
6
W
R4
3
44
7K5 1/16W 5
%
R4
3
44
7K5 1/16W 5
%
C4351
100N16V
C4351
100N16V
C4
3
6
8
22UF 6.
3
V
C4
3
6
8
22UF 6.
3
V
R4371
1K 1/16W
R4371
1K 1/16W
R4316
100OHM1/16W
R4316
100OHM1/16W
TP4342
TP4342
D4300
FB340M
D4300
FB340M
1
2
TP4355
TP4355
U4301
RT7297CHZSP
U4301
RT7297CHZSP
BOOT
1
VIN
2
SW
3
GND
4
FB
5
COMP
6
EN
7
SS
8
GND
9
TP4371
TP4371
TP4332
TP4332
R4
3
70
22K 1/16W
R4
3
70
22K 1/16W
R4318
100OHM1/16W
R4318
100OHM1/16W
TP4316
TP4316
FB4306
30R 1A
FB4306
30R 1A
1
2
TP4345
TP4345
R4317
100K 1/16W
R4317
100K 1/16W
R4
3
14
NC/4.7
K
1/1
6
W
R4
3
14
NC/4.7
K
1/1
6
W
R4366
NC/27K 1/16W 5%
R4366
NC/27K 1/16W 5%
R4328
10K+-5%1/16W
R4328
10K+-5%1/16W
TP4348
TP4348
C4
3
90
NC/10UF 16V
C4
3
90
NC/10UF 16V
TP4302
TP4302
C4357
100N16V
C4357
100N16V
C4
33
9
NC/1nF 50V
C4
33
9
NC/1nF 50V
C4
3
79
10UF 16V
C4
3
79
10UF 16V
TP4146
TP4146
C4340
100N16V
C4340
100N16V
R4342
100OHM1/16W
R4342
100OHM1/16W
C4
3
29
10UF 6.
3
V X5R +-20
%
C4
3
29
10UF 6.
3
V X5R +-20
%
U4306
G5318RE1D
U4306
G5318RE1D
PGOOD
1
TRIP
2
EN
3
FB
4
RF
5
DL
6
VCC
7
LX
8
DH
9
BST
10
GND
11
C4301
NC/10UF 6.3V X5R +-20%
C4301
NC/10UF 6.3V X5R +-20%
+
C4326
220UF 16V
+
C4326
220UF 16V
C4
3
65
10UF 16V
C4
3
65
10UF 16V
TP4323
TP4323
R4
33
2
6
8
K 1/
16W 1
%
R4
33
2
6
8
K 1/
16W 1
%
C4
383
NC/10
u
F 16V
C4
383
NC/10
u
F 16V
C4
3
04
NC/1nF 50V
C4
3
04
NC/1nF 50V
C4
3
19
10UF 16V
C4
3
19
10UF 16V
C4
3
67
22UF 6.
3
V
C4
3
67
22UF 6.
3
V
+
C4
3
69
NC/100UF 16V
+
C4
3
69
NC/100UF 16V
TP4321
TP4321
U4302
RT8079ZQW
U4302
RT8079ZQW
VIN
1
VIN
2
GND
3
GND
4
AG
ND
5
FB
6
COM
P
7
RT
/S
YNC
8
SS/TR
9
SW
10
SW
11
SW
12
BO
O
T
1
3
PG
O
O
D
14
EN
15
VIN
16
GND
17
TP4357
TP4357
C4388
100N16V
C4388
100N16V
R4339
8.2K 1%
R4339
8.2K 1%
C4
3
00
NC/10UF
C4
3
00
NC/10UF
R4
3
4
3
NC/10K+-5
%
1/16W
R4
3
4
3
NC/10K+-5
%
1/16W
C4322
NC/100pF 50V
C4322
NC/100pF 50V
C4378
22UF 6.3V
C4378
22UF 6.3V
C4
3
5
3
10UF 16V
C4
3
5
3
10UF 16V
R4354
100K 1/16W
R4354
100K 1/16W
R4
33
1
10K+-5
%
1/16W
R4
33
1
10K+-5
%
1/16W
R4322
0R05 OHM
R4322
0R05 OHM
R4
3
50
4.
7K 1/
4W
R4
3
50
4.
7K 1/
4W
C4
3
72
10UF 16V
C4
3
72
10UF 16V
C4
3
61
1
u
F 10V
C4
3
61
1
u
F 10V
C4
3
17
22UF 20
%
6.
3
V
C4
3
17
22UF 20
%
6.
3
V
C4341
10UF 16V
C4341
10UF 16V
D4301
FB340M
D4301
FB340M
1
2
R4309
22K 1/16W
R4309
22K 1/16W
R4
3
7
3
10K+-5
%
1/16W
R4
3
7
3
10K+-5
%
1/16W
R1
R2
Q4300
NC/PDTC114EU
R1
R2
Q4300
NC/PDTC114EU
1
3
2
R4357
0R05 OHM
R4357
0R05 OHM
TP4338
TP4338
R4351
1 OHM 5% 1/16W
R4351
1 OHM 5% 1/16W
C4342
22NF 25V
C4342
22NF 25V
FB4308
120R/3000mA
FB4308
120R/3000mA
1
2
TP4324
TP4324
R4346
10K 1/16W
R4346
10K 1/16W
L4302
1uH
L4302
1uH
R4
3
56
3
9K 1/16W 5
%
R4
3
56
3
9K 1/16W 5
%
R1
R2
Q4302
NC/PDTC114EU
R1
R2
Q4302
NC/PDTC114EU
1
3
2
C4
3
16
100N16V
C4
3
16
100N16V
TP4366
TP4366
C4335
1uF 10V
C4335
1uF 10V
TP4329
TP4329
TP4369
TP4369
TP4373
TP4373
R4321
NC/220K OHM
R4321
NC/220K OHM
R4336
1M 1/16W
R4336
1M 1/16W
TP4340
TP4340
TP4306
TP4306
C4346
10000pF 50V
C4346
10000pF 50V
C4344
10UF 6.3V X5R +-20%
C4344
10UF 6.3V X5R +-20%
TP4314
TP4314
C4
3
24
1nF 50V
C4
3
24
1nF 50V
R4372
47K 1/16W
R4372
47K 1/16W
R4301
100OHM1/16W
R4301
100OHM1/16W
TP4149
TP4149
C4315
NC/1nF 50V
C4315
NC/1nF 50V
C4331
1uF 10V
C4331
1uF 10V
TP4372
TP4372
FB4301
30R 1A
FB4301
30R 1A
1
2