Hisense 40LD835F Service Manual page 33

5
Power Input
5VAIN
XP1 XP1
1
2
3 C1 C1 C263 C263
4 100n/16V 100n/16V 220u/16V/NC 220u/16V/NC
5 BL-ON/OFF
+12V
6 BL-ADJUST
7
D
8
9
5Vstb
10 C3 C3 C264 C264
11
C4 C4
C265 C265
12 STANDBY
13
100n/16V 100n/16V 100u/16V/NC 100u/16V/NC
14
+12V L3 L3
STPB3216-121PT STPB3216-121PT
XP2 XP2
1 L4 L4
VCC-A
2 STPB3216-121PT/NC STPB3216-121PT/NC
3
+12V
4
5
6
7
5VAIN
8
9
10
11
C
12
13
MST Power supply
5Vstb N2 N2
R407 R407
LD1117A-3.3AZ1117H-3.3 LD1117A-3.3AZ1117H-3.3
0R 0R
3 4
VIN VOUT
C9 C9 C12 C12 VD12 VD12 2
VOUT
1 2
100n/16V 100n/16V 100n/16V 100n/16V
2.2u/10V 2.2u/10V
1N4148W/NC 1N4148W/NC 0R/NC 0R/NC
R23 R23
R24 R24
0R 0R
B
5VAIN N4 N4
LD1117A-3.3AZ1117H-3.3 LD1117A-3.3AZ1117H-3.3
3 4
VIN VOUT
C16 C16 C17 C17 2
VOUT
100n/16V 100n/16V
2.2u/10V 2.2u/10V
75R/NC 75R/NC
R27 R27
R29 R29
0R 0R
5VAIN N5 N5
SPX1117M3-ADJLD1117A-ADJ SPX1117M3-ADJLD1117A-ADJ
3 4
VIN VOUT
2
VOUT
C31 C31
C30 C30
2.2u/10V 2.2u/10V 100n/16V 100n/16V R31 R31
470R 470R
R32 R32
A
470R 470R
5
4
Inverter Interface
3.3VA
R5 R5
R4 R4
10k 10k
L:ON
H:OFF
R6 R6
2 ON_PBACK
1k 1k
2 ADJ-PWM
Note: Left C7 NC, R12 change to 100ohm if want to output PWM puls
STANDBY 100R 100R R18 R18
MMBT3904LT1 MMBT3904LT1
3.3Vstb
5VAIN
380mA
R33 R33
C10 C10 C11 C11 C13 C13 C14 C14 2.2R/2W 2.2R/2W
C45 C45
100n/16V 100n/16V 100n/16V 100n/16V
2.2u/10V 2.2u/10V
2.2u/10V 2.2u/10V
1.8VA
150mA
3.3VA
3.3VA
C37 C37
C18 C18 C19 C19 C20 C20 C21 C21 100n/16V 100n/16V
100n/16V 100n/16V 100n/16V 100n/16V
1.8VA
VD1 VD1
Close to 3.3V LDO output
1N4148W/NC 1N4148W/NC
230mA
2.5VA 2.5V_Demod
2.5VA
C29 C29 C32 C32 C33 C33
C28 C28
2.2u/10V 2.2u/10V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V
4
3
5VAIN 5VAIN
R2 R2
R1 R1 10k 10k
10k/NC 10k/NC
100R 100R R3 R3 BL-ON/OFF
V1 V1
0R 0R 1 MMBT3904LT1 MMBT3904LT1
C2 C2
1n/50V 1n/50V
V2 V2
1 MMBT3904LT1/NC MMBT3904LT1/NC
5VAIN
R7 R7
10k 10k R13 only for 3.3V PWM output
10k 10k R10 R10 BL-ADJUST
BL-ADJUST 2
V3 V3
R12 R12 1k 1k 1 R13 R13 C7 C7
18k 18k
MMBT3904LT1 MMBT3904LT1 2.2u/10V 2.2u/10V
5Vstb
R19 R19
1k 1k
Standby:L
0R/NC 0R/NC R20 R20
R21 R21
Normal: H
V6 V6 4.7k 4.7k
1
V7 V7
MMBT3904LT1 MMBT3904LT1 1 4.7k 4.7k R22 R22
PWR-ON/OFF 2
1.8VA
N6 N6 1.8VA
AZ1084S-ADJ AZ1084S-ADJ
3 4
VIN VOUT
2
VOUT
C46 C46
C47 C47
C48 C48
R34 R34
100n/16V 100n/16V
100n/16V 100n/16V
100u/16V 100u/16V
1k 1k
R35 R35
470R 470R
Vout=1.25*(1 + 0.47K/1K) =1.838V
C38 C38 C39 C39 C40 C40 C41 C41 C42 C42 C43 C43
100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V
300mA_DDR2 Max
C52 C52 C53 C53 C54 C54 C55 C55 C56 C56 C57 C57 C58 C58
100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V
3
2
Power for Panel
L1 STPB3216-121PT L1 STPB3216-121PT
+12V
L2 L2
5VAIN
C285 C285
STPB3216-121PT/NC STPB3216-121PT/NC
100n/16V 100n/16V
5VAIN
3.3VA
R413 R413
10k 10k
R415 R415
R416 R416 0R/NC 0R/NC
10k 10k R412 R412
R409 R409 V28 V28
1
2 ON_PANEL
MMBT3904LT1 MMBT3904LT1
1k 1k
R408 R408 C284 C284
H:OFF 100n/16V 100n/16V
L:ON
10k/NC 10k/NC
110mA 1.32V DC-DC
C49 C49 C50 C50 C51 C51 100k 100k R25 R25
100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V
N3 N3
1
BS
5VAIN
C15 C15
2
IN
100n/16V 100n/16V
3
C25 C25 SW
C22 C22
100u/16V 100u/16V 100n/16V 100n/16V 4
GND
C44 C44 MP1482 MP1482
100n/16V 100n/16V
Vout=0.923*_1 + 2.2K/4.7K_ =1.391V
C59 C59 C60 C60
100n/16V 100n/16V 100n/16V 100n/16V
Title Title Title
Size Size Size
Date: Date: Date:
2
1
VCC-Panel
N1 N1
2 3
AO3401L AO3401L
C287 C287
R411 R411
47k 47k
1u/16V 1u/16V C283 C283 C286 C286
10u/16V 10u/16V 100n/16V 100n/16V
R410 R410 22k 22k
V29 V29
1
10k 10k
MMBT3904LT1 MMBT3904LT1
R414 R414
10k 10k
S2 S2 S5 S5
D4 D4 D4 D4
S4 S4 S3 S3 S6 S6
D4 D4 D4 D4 D4 D4
1.32V
L5 L5
33.0 uH 33.0 uH
8
SS C26 C26 C288 C288
R26 R26 C302 C302
2.2k 2.2k C27 C27
220u/16V 220u/16V
7 100n/16V 100n/16V
EN
Low ESR
6
COMP
C23 C23 C24 C24
R28 R28
5 1n/50V 1n/50V 47n/16V 47n/16V 4.7k 4.7k
FB
R30 R30
4.7k 4.7k
1.32V
1100mA
C34 C34 C35 C35 C36 C36
100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V
深圳市高新区南区科技南十路国际技术创新研究院C座4楼 深圳市高新区南区科技南十路国际技术创新研究院C座4楼 深圳市高新区南区科技南十路国际技术创新研究院C座4楼
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Document Number Document Number Document Number
Friday, December 31, 2010 Friday, December 31, 2010 Friday, December 31, 2010 Sheet Sheet Sheet 1 1 1 of of of 10 10 10
1
D
C
B
A
Rev Rev Rev
1.0 1.0 1.0