Hisense LTD42W29NUS Service Manual page 39

1
+5V U201 AZ1117/adj
3 2
IN OUT
4
OUT
R201
180
+ CE201
A
100uF/10v
R202
300
+5V
R206
3k
CE204 CB255 R219
+
470uF/16V 0.1uF 100k
B
U204
AZ1117/adj
+5VSB
3 2
IN OUT
4
OUT
CE206
+
100uF/10v
C
+12V
U213
1 2
IN OUT
3
ADJ/GND
C271
0.1uF BA178M09FP
D
1
2
VTT
DV33
DV33_LVDS
L204
2 1
FB
CB251
4.7uF/10v
CE202
+ C250
100uF/16V 0.1uF
DDRV
R203
1 2
NS/75 1%
R204
NS/75 1%
U203
AP1513/SOP-8
L201 27uH/POWER CHOKE
4 6 1 2
Vcc O/P
5
O/P
C256
NS/100nF
3 1
OCSET FB
D201
SCHOTTKY DIODE/B340A
CB64
0.1uF
0.8 x (1+0.75K/2K) = 1.1V
+5V
+3V3SB
R209
180 + CE207 C259
100uF/16V 0.1uF
CE208
+
100uF/16V
R220
300
1.25 x (1+180/110) = 3.3V
DIGITAL POWER
R225 2W DIP/NC
+12V
+9V
+9V
L203
FB
CE216
+ CB269
330uF/25v 0.1uF
CE217
+
220uF/16v
POWER SUPPLY +5V FOR TUNER
2
3
R205
CB252
1 2
0.1uF
4.7K
U202
1 8
GND VTT
2 7
SD PVIN
3 6
VSENSE AVIN
4 5
MEM_VREF
VREF VDDQ
C253 IC LP2996 DDR Termination SOP-8
0.1uF 1uF
C255
VTT FOR DDR TERMINATOR
MEM_VREF FOR DDR AND MT5381 VREF
DV10
C267 R207
NS/100nF
750
CE205 C257
+
470uF/16V
0.1uF
R208
2k
Low ESR <125 mOHM
U205
3 2
IN OUT
4
OUT
R210 C261
LT1084 TO-252-3 110 0.1uF CE209
+
100uF/16V
C260
0.1uF
CE211
+
22uF/16v
R211
120
1.25 x (1+120/110) = 2.6V
U215
7805
+5V_TUNER
1 2
IN OUT
C575 CB270
0.1uF
0.01uF
3
4 5
DDRV
C254 CE203
+
100uF/16V
0.1uF
U211
+5V
CE212
CB262
+
C258 0.1uF
0.01uF
100uF/16V
+5V
DDRV
3
CE210
+ CE213 C263
+
470uF/16V
100uF/10v 0.1uF
U214
AV25
3
IN
CE215 + C266
0.1uF
100uF/10v
4 5
6
GND
GND
+5V
+5V
DV10
DV10
MEM_VREF
MEM_VREF
VTT
VTT
DDRV
DDRV
DV33
DV33
AV33
AV33
+12V
+12V
AV25
AV25
AV12
AV12
+5V_TUNER
+5V_TUNER
+3V3SB
+3V3SB
+5VSB
+5VSB
DV33_LVDS
DV33_LVDS
AZ1117/adj
AV33
3 2
IN OUT
4
OUT
R213
180 C268 CE219
+
220uF/16v
0.1uF
R214
300
1.25 x (1+180/110) = 3.3V
U212 AZ1117/adj
AV25
2
IN OUT
4
OUT
R215
100 C264 C265 + CE214
0.01uF 100uF/16V
0.1uF
R216
100
1.25 x (1+100/100) = 2.5V
AZ1117/adj
AV12
2
OUT
4
OUT
R217
100 C278
C277 0.1uF
+
0.01uF
100uF/16V
R218
0
1.25 x (1+0/100) = 1.25V
10% tolerance
ANALOG POWER
Hisense Electric Co.,LTD
HISENSE SHENZHEN R&D
Suite 406,langfeng Bldg,#2 Kefa Road Nanshan District,Shenzhen,China
Tel:86-755-26532018
Fax:86-755-26532013
Title
DIGITAL/ANALOG POWER
Size Document Number
A
Date: Sheet 2 of
6
A
B
C
CE218
D
Rev
1.1
16