Hisense XT880 Series Service Manual page 43

MAIN POWER +12V
兼容2X6Pin双排插座
+12VPOWER
XP2 XP2
1 2
DIMMING 3 4 BL_EN
5 6
+12V_IN +12V_IN
ON/OFF 7 8
5VS
+5V
9 10
+14V +14V
L51 L51 L43 L43
11 12
BLM18PG330SN1D/NC BLM18PG330SN1D/NC BLM18PG330SN1D/NC BLM18PG330SN1D/NC
13 14
R40 0R R40 0R R13 0R R13 0R
3D_EN
3D_GLASS_SYNC
3D_GLASS_SYNC
12V-->5V
+12V_IN +12V_IN
+12V_IN N30 N30
8
VIN
R23 R23
C10 C10 C21 C21 C11 C11
1
10u/16V 10u/16V 10u/16V/NC 10u/16V/NC 100n/16V 100n/16V 10k 10k
EN
3
VRG5
4
SS
C27 C27 C28 C28 C29 C29
8.2n/50V 8.2n/50V
100n/16V 100n/16V 1u/25V 1u/25V
A
DIGITAL POWER DVDD3V3
3V3 3V3
N10 N10
+5V
2 3
Vin_2 VOUT
C34 C34 C35 C35
R33 R33
10u/10V 10u/10V 100n/16V 100n/16V
110R 110R
AP1084DGAZ1084D-ADJ AP1084DGAZ1084D-ADJ
1.25 x _1+180/110_ = 3.3V
R36 R36
180R 180R
POWER CONTROL
+12VPOWER
C217 C217
C221 C221 R56 R56
20k 20k 1u/16V 1u/16V
100n/16V 100n/16V
R430 R430
R57 R57
5VS
4.7k 4.7k
4.7k 4.7k
R233 R233
R54 R54
1
1k/NC 1k/NC 4.7k 4.7k
R58 R58
OPWRSB 1
V17 V17
4.7k 4.7k
+12V_IN
L40 L40
BLM18PG330SN1D/NC BLM18PG330SN1D/NC
C2 C2
L41 L41
100u/16V 100u/16V
+12V_IN
BLM18PG330SN1D BLM18PG330SN1D
5VS
+12V +14V
5VS
L42 L42
BLM18PG330SN1D/NC BLM18PG330SN1D/NC
C7 C7
R12 R12
R11 R11
100n/16V 100n/16V
10k/NC 10k/NC 2k 2k
R15 R15
ON/OFF
0R 0R
V3 V3
R18 R18
V2 V2 1
1
MMBT3904LT1/NC MMBT3904LT1/NC
4.7k/NC 4.7k/NC
OPWRSB
HIGH = > OPEN FRAME POWER OFF
LOW = > OPEN FRAME POWER ON
Buck Converter 5A
L1 L1
6
SW
4.7 uH 4.7 uH
C12 C12
7 R24 R24 C14 C14
C13 C13
VBST
130k 130k 22p/50V 22p/50V 22u/6.3V 22u/6.3V
100n/16V 100n/16V
2
R28 R28
VFB closed to L
22R/NC 22R/NC
5
R31 R31
R30 R30
Vout=0.765*1+R24/(R30//R31)=5.159V
GND
27k 27k 140k 140k
C30 C30
TPS54528 TPS54528
1n/50V/NC 1n/50V/NC
STANDBY POWER 3V3SB
L47 L47
AVDD3V3
5VS
BLM18PG121SN1 BLM18PG121SN1 N17 N17
3
VIN
DVDD3V3
C37 C37 C38 C38
100n/16V 100n/16V
C36 C36 C46 C46 C39 C39 10u/10V 10u/10V
1u/10V 1u/10V 100n/16V 100n/16V
10u/10V 10u/10V
SPX1117M3-ADJLD1117A-ADJ SPX1117M3-ADJLD1117A-ADJ
1.25 x _1+180/110_ = 3.3V
OPWRSB
HIGH = > OPEN FRAME POWER OFF
+12V
N20 N20
LOW = > OPEN FRAME POWER ON
AO4459 AO4459
1 8
S1 D1
2 7
S2 D1
3 6
S3 D2
4 5
5VS
G D2
+12V
C227 C227
R59 R59
20k 20k
C228 C228
1u/16V 1u/16V
100n/16V 100n/16V
V16 V16
C215 C215 C223 C223
100n/16V 100n/16V 10u/16V 10u/16V R61 R61
4.7k 4.7k
R60 R60
1
VCCK
4.7k 4.7k
A
MB:5045
5VS
DVDD3V3
C1 C1
C320 C320 C364 C364 100n/16V/NC 100n/16V/NC
C3 C3
100u/16V 100u/16V
100n/16V 100n/16V
100n/16V 100n/16V
+5V
C4 C4
R6 R6 100n/16V/NC 100n/16V/NC
3.3VS
10k/NC 10k/NC
BL_DIMMING
R19 R19
OPWRSB
R14 R14
4.7k 4.7k +5V
R21 R21
C8 C8 1k 1k
R16 R16
100n/16V 100n/16V
10k 10k
3.3VS
10k 10k
R20 R20
BL_ON/OFF
4.7k 4.7k
L39 L39
+5V
BLM18PG330SN1D/NC BLM18PG330SN1D/NC
CORE POWER 1.1V
L44 L44
+5V
BLM18PG330SN1D/NC BLM18PG330SN1D/NC
L66 L66
5VS
+12V
L46 L46
BLM18KG260TN1D BLM18KG260TN1D
L45 L45
5VS
STPB2012-121PT STPB2012-121PT
BLM18KG260TN1D BLM18KG260TN1D
C15 C15 C16 C16 C17 C17
22u/6.3V 22u/6.3V 22u/6.3V 22u/6.3V 100n/16V 100n/16V
ANALOG POWER AVDD1V2
3.3VS 3.3VS
DVDD3V3
3.3VS
4
VOUT
2
C42 C42
C41 C41
C40 C40
VOUT_3
R34 R34
10u/10V/NC 10u/10V/NC
100n/16V 100n/16V
10u/10V 10u/10V
110R 110R
R37 R37
180R 180R
N16 N16
+5V
AO4459 AO4459
1 8
S1 D1_8
2 7
S2 D1_7
3 6
S3 D2_6
4 5
G D2_5
+5V
C225 C225 C229 C229
V18 V18
100n/16V 100n/16V
4.7u/10V 4.7u/10V
A
Back Light Control
R1 R1
1k/NC 1k/NC
+5V
R3 R3
R5 R5
1k 1k
1k/NC 1k/NC
R7 R7 R8 R8
DIMMING
0R 0R 0R 0R
R10 R10
R9 R9 C5 C5 C6 C6
1 V1 V1
1.8k/NC 1.8k/NC
MMBT3904LT1 /NC MMBT3904LT1 /NC 100n/16V 100n/16V 10u/10V/NC 10u/10V/NC
4.7k/NC 4.7k/NC
R17 R17
BL_EN
1k 1k
1 V4 V4
R22 R22
C9 C9
MMBT3904LT1 MMBT3904LT1 10k/NC 10k/NC
2.2u/10V 2.2u/10V
N33 N33
8 6
VIN SW
C22 C22
C20 C20 R25 R25
C18 C18 C19 C19
1 7
100n/16V 100n/16V
10u/16V 10u/16V 10u/16V 10u/16V 10k 10k
EN VBST
100n/16V 100n/16V
3 2
VRG5 VFB
4 5
SS GND
C31 C31 C32 C32 TPS54528 TPS54528
1u/25V 1u/25V 3.3n/50V 3.3n/50V
AVDD1V2
N11 N11
3 4
VIN VOUT
BLM18PG121SN1 BLM18PG121SN1
2
C43 C43
VOUT_3 C44 C44 C45 C45
100n/16V/NC 100n/16V/NC
10u/10V 10u/10V 100n/16V 100n/16V
R35 R35
100R/NC 100R/NC
SPX1117M3-ADJLD1117A-ADJ/NC SPX1117M3-ADJLD1117A-ADJ/NC
R38 R38
0R/NC 0R/NC
GND
3,4,5,6,7,8,9,10,11,12,13,14,15,16,17 GND
+5V
5,6,7,8,9,10,12,14,15,16,17 +5V
+12V
12,13,16,17 +12V
+14V
+14V
17
5VS
5VS
5,16
3.3VS
3,4,5,10,11 3.3VS
AVDD3V3
AVDD3V3
2,3,4,6,8,9,10,13
DVDD3V3
DVDD3V3
3,5,11,12,16,17
AVDD1V2
AVDD1V2
8,10,12
VCCK
VCCK
3,5
OPWRSB
3 OPWRSB
BL_DIMMING
4 BL_DIMMING
BL_ON/OFF
4 BL_ON/OFF
3D_EN
3D_EN
2,13
3D_GLASS_SYNC
3D_GLASS_SYNC
Buck Converter 3A
VCCK
L2 L2
2.2 uH 2.2 uH
C23 C23 C48 C48 C24 C24 C25 C25
C47 C47 C26 C26
R26 R26
R27 R27
0R/NC 0R/NC 22u/6.3V 22u/6.3V 22u/6.3V 22u/6.3V 100n/16V 100n/16V
7.87k 7.87k
22u/6.3V 22u/6.3V
22p/50V/NC 22p/50V/NC 22u/6.3V 22u/6.3V
R29 R29 closed to L
22R/NC 22R/NC
R32 R32
Vout=0.765*1+R27/R32=1.25V
12.4k 12.4k
C33 C33
1n/50V/NC 1n/50V/NC
VCCK VCCK
VCCK
L48 L48
Hisense Electric Co.,LTD Hisense Electric Co.,LTD Hisense Electric Co.,LTD
Title Title Title
POWER AND INVERTOR POWER AND INVERTOR POWER AND INVERTOR
Size Size Size Document Number Document Number Document Number
A3 A3 A3 MT5325 MT5325 MT5325
Date: Date: Date: Tuesday, April 16, 2013 Tuesday, April 16, 2013 Tuesday, April 16, 2013 Sheet Sheet Sheet 2 2 2 of of of 17 17 17
A
Rev Rev Rev
1.0 1.0 1.0