Hisense MT5659AUHT, Service Manual

Page: 47 / 57

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
PSU Control
散热器贴
N3(
主芯片
)
上
Hisense Electric Co.,LTD
Vout=0.6*(1+R1/R2)=5.08V
Vout=0.6*(1+R1/R2)=1.2
1.5A
Power of Demodulator
STANDBY POWER 3V3SB
POWER DVDD3V3/AVDD3V3
Vout=0.768*(1+R1/R2)=3.30V
3A
R2
R1
靠近
DC-DC
AVDD1V2
5A
closed to L
12V-->5VS
SMcontacts
散热器四角增加导电泡棉接地
POWER SWITCH
LO = > POWER_ON
HI = > POWER_OFF
Vout=0.6*(1+R1/R2)=1.153V
closed to L
5A
Core Power 1.1V
Vout=0.768V*(1+R1/R2)
R1
R2
1.5A Max
靠近
IC
端
DRAM Power
预留给 LNB POWER 用，如果待机功耗满足要求，
则直接上件
L582
。
SMcontacts
FB_PWR_EN
OPWRSB
BL_DIMMING
BL_ON/OFF
DIMMING
BL_EN
12VS BL_EN
BL_DIMMING
BL_ON/OFF
DIMMING
FB_PWR_EN DDR_PWREN
POWER ON/OFF
OPWRSB
POWER ON/OFF
AUX_PWR_ON
POWER ON/OFF
AUX_PWR_ON
1V2_DEMO
5V
5V
3.3VS
5V
3.3VS
3.3VS
5VS
5V
AVDD3V3
DVDD3V3
AVDD1V15
VCCK
5VS
12VS
5VS
5V
VCCK
VCCK
12VS
5VS
5V
DDR_1.5V
5VS
12VS
12V
FB_PWR_EN 12
OPWRSB 5
GND 5,6,7,8,9,10,11,12,13
BL_DIMMING
12
BL_ON/OFF
12
DIMMING 14
BL_EN 14
12VS 4
AUX_PWR_ON 4
Title
Size Document Number Rev
Date: Sheet of
1.0
MT5659
C
5 15 Monday, November 06, 2017
Title
Size Document Number Rev
Date: Sheet of
1.0
MT5659
C
5 15 Monday, November 06, 2017
Title
Size Document Number Rev
Date: Sheet of
1.0
MT5659
C
5 15 Monday, November 06, 2017
R453
100R
C798
10u/16V
C290
100n/25V/NC
EU
C447
22u/6.3V
L73
2.2 uH
L38
BLM18PG121SN1
C440
22u/6.3V
N33
TPS56528DDAR
VIN
8
EN
1
VRG5
3
SS
4
GND
5
VFB
2
VBST
7
SW
6
EPAD
9
L72 VLS5045EX2R2N\ROH
C435
1u/25V
G2
SMR/NC
C1
1n/50V/NC
R467
365k
V27
MMBT3904LT1
3
1
2
R5
22k/NC
C785
100n/16V
C91
100n/16V
N8
TLV62566
VIN
4
PG
1
GND
2
LX
3
FB
5
N30
TPS56528DDAR
VIN
8
EN
1
VRG5
3
SS
4
GND
5
VFB
2
VBST
7
SW
6
EPAD
9
C407
100n/16V
C
443
10u/16V
R108
22R/NC
M8
MARK
R4
33k
L39 2.0 uH
R462
1k
V28
MMBT3904LT1
3
1
2
G3
SMR/NC
C417
100n/16V
R10
20k
R443
1k
C421
22u/6.3V
L20 BLM18PG121SN
EU
C96
100n/16V
C
430
10u/16V
C408
10u/10V
M7
MARK
C50
10u/16V
C8
100n/16V
C449
22u/6.3V
C444
100n/16V
C31
1n/50V/NC
L70
BLM18PG121SN1
G1
SMR/NC
Q1
RSAG7.308.0300
NC1
1
NC2
2
R441
10k/NC
R35
20k/NC
EU
C742
100n/16V/NC
M11
MARK
C51
100n/16V
R465
4.7k
C33
100n/16V
N906
TPS563201DDCR
GND
1
SW
2
VIN
3
VFB
4
EN
5
BST
6
C431
100n/16V
C436
22u/6.3V
S1
D4
R473
10k
R7
7
2
10k
L71
BLM18PG121SN1
C291
1u/25V/NC
EU
R14
100k
C424
100n/16V
M10
MARK
C422
100n/16V
V72
AO3401L/NC
Vin = 30V
Iout = 4.2/3.5A
EU 1
2 3
R3
100k
N42
AO4459
S1
1
S2
2
S3
3
G
4
D1
8
D1
7
D2
6
D2
5
C48
10u/16V
R466
10k
M9
MARK
R450
10k
R442
10k/NC
C450
10u/16V
R454
1k
R124
10k/NC
EU
R2
27k/NC
C49
10u/16V
R25
100k
R472
10k/NC
C413
100n/16V
C418
10u/16V
S3
D4
VD23
1N4148W
1 2
C406
2.2u/10V
R455
1k
R2
3
8
100k
/N
C
R180
10k/NC
R120
20k/NC
EU
R474
10k
C746
1u/25V
R448
140k
R449
4.7k
M12
MARK
C420
100n/16V
C
426
10u/16V
R24
10k
1%
R456
1k
C448
10u/16V/NC
R451 10k
C423
22u/6.3V
R9
75k
C425
22u/6.3V
C419
2.2u/10V
R21
47k
S2
D4
R457
4.7k
L2
2.2 uH
R452
47k
V10
MMBT3904LT1/NC
EU
1
2
3
C121
100n/16V
C437
100n/16V
C414
1u/16V
C428
22u/6.3V
R109
51k
V22
MMBT3904LT1
3
1
2
C409
10u/10V/NC
C92
22u/6.3V
C445
10u/16V
G5
SMR/NC
C415
100n/16V
C439
22u/6.3V
C427
22p/50V
C432
22u/6.3V
N34
TLV70233DBVR
VIN
1
EN
3
VOUT
5
NC
4
GND
2
R460
1k
N35
TPS563201DDCR
GND
1
SW
2
VIN
3
VFB
4
EN
5
BST
6
R12
47k
C410
100n/16V/NC
C5
22u/6.3V
V26
MMBT3904LT1
3
1
2
C
438
10u/16V
R459
0R/NC
G6
SMR/NC
R464
4.7k
C433
100n/16V/NC
R458
4.7k
C416
100n/16V/NC
L16 2.2 uH
C446
22u/6.3V/NC
C94
22u/6.3V
R463
10k
C441
22p/50V
R745
10k
C13
1u/25V
R259
10k
C434
100n/16V
G4
SMR/NC
R13
22R/NC
R181 10k
1%
Main
board:7924
Circuit