![background image](http://html.mh-extra.com/html/haier/hl42b-b/hl42b-b_service-manual_136767050.webp)
A
A
B
B
C
C
D
D
E
E
4
4
3
3
2
2
1
1
0.8 x (1+1K/1K) = 1.6V
POWER 1V6 FOR MT5112
GLOBAL POWER
1.25 x (1+180/110) = 3.3V
STANDBY POWER +3V3 FOR MT5372
0.8 x (1+1.2K/2K) = 1.28V
POWER +1V2 FOR MT5372 (DIGITAL)
1.25 x (1+22/110) = 1.5V
POWER +1V5 FOR VIDEO FRONT-END1
or +5V
or +5V
500mA
POWER 5V FOR TUNER
700mA
POWER 3V3 (DIGITAL) FOR MT5372
80mA
POWER +3V3 FOR MT5372 (ANALOG)
40MA
1.25 x (1+120/110) = 2.6V
POWER +2V6 FOR MT5372 / DDRI
LM2596S-5.0/AT1796-5.0
22uH-->
POWER 3V3 FOR MT5112
check to delete it
delet it,only for test
delete ?
MT5371-V1.7
1
Custom
14
15
Monday, March 12, 2007
POWER
MediaTek Confidential
TwinSon Chan
Title
Size
Document Number
Rev
Date:
Sheet
of
MediaTek Inc.
TEL:(03)567-0766 FAX:(03)578-7610
No.1-2, Innovation Rd 1, SBIP, Hsin-Chu City 300
Drawn
DV33_DM
+5VSB
+12V
+5V
+5V_TUNER
AV12
AV33
DV33
AV15
DV33SB
DV26_DDR
DV18_DM
+30V_TUNER
DV33_DM
3,4
+5VSB
1,16
+12V
1,13,16
+5V
1,7,11,12,13,15,16
+5V_TUNER
3
AV12
5,6
AV33
6,12
DV33
1,5,6,7,13
AV15
6,12
DV33SB
1,5,6,7,11,12
DV26_DDR
5,6,8
DV18_DM
4
+30V_TUNER
3
AV15
DV18_DM
+12V
DV33SB
+5VSB
AV33
DV12
+12V
+5V_TUNER
DV33_DM
AV33
+5V
DV33
+5V
DV26_DDR
+5V
+5V_TUNER
+30V_TUNER
+12V
+12V
AV12
DV12
+
CE29
470uF/16V
CAP8-5MM
+
CE17
470uF/16V
CAP8-5MM
+
CE28
220uF/16V
CAP8-5MM
C21
0.1uF
SMD-CC0603
C19
10nF
R26
120_1%
SMD-R0603
RT2
18R/2W
R20B
C16
0.1uF
1
2
+
CE23
220uF/16V
CAP-5MM
C11
NS/100nF
SMD-CC0603
C12
NS/100nF
SMD-CC0603
R347
NS/0
SMD-R1210
R32
22_1%
SMD-R0603
+
CE4
22uF
L1
27uH/POWER CHOKE
L5-9
C41
0.1uF
C36
0.1uF
SMD-CC0603
C23
0.1uF
SMD-CC0603
R23
1K_1%
SMD-R0603
C20
0.1uF
SMD-CC0603
R28
110_1%
SMD-R0603
FB7
FB
SMD-L0805
D2
SS340
1
2
R22
3K
SMD-R0603
C22
0.1uF
SMD-CC0603
R19
100K
SMD-R0603
FB4
FB
SMD-L0805
C29
0.1uF
SMD-CC0603
+
CE12
220uF/16v
CAP6-5MM
FB8
FB
SMD-L0805
FB9
FB
SMD-L0805
R35
3K_1%
C17
NS/1500pf
1
2
R349
NS/0
SMD-R1210
C13
NS/100nF
SMD-CC0603
+
CE10
100uF/16V
CAP-5MM
C38
0.1uF
SMD-CC0603
FB6
10uH
SMD-L0805
R30
180_1%
SMD-R0603
R18
1.2K_1%
SMD-R0603
C32
0.1uF
SMD-CC0603
C42
0.1uF
C34
0.1uF
SMD-CC0603
C24
0.1uF
SMD-CC0603
R20
2K_1%
SMD-R0603
C25
0.1uF
SMD-CC0603
C43
0.1uF
CE5
4.7uF/50V
R34
1M
C30
0.1uF
SMD-CC0603
R21
110_1%
SMD-R0603
FB58
FB
SMD-L0805
CE6
4.7uF/50V
CE7
470uF/16V
U9
AP1513/SOP-8
SOP8/SMD
1
2
3
4
5
6
7
8
FB
EN
OCSET
Vcc
O/P
O/P
Vss
Vss
D1
SCHOTTKY DIODE/B340A
403A
C26
0.1uF
SMD-CC0603
+
CE8
220uF/16V
CAP6-5MM
C31
0.1uF
SMD-CC0603
C18
0.1uF
1
2
R25
1K_%
SMD-R0603
+
CE33
220uF/16v
CAP8-5MM
+
CE11
100uF/16V
CAP-5MM
U1
LM7805
1
2
3
TA
B
VIN
GN
D
VOUT
TA
B
D4
SK34DI
1
2
C15
0.1uF
U5
AP1084-3.3V
TO-263-3/SMD
3
1
2
IN
GN
D
OUT
RT1
18R/2W
R20B
U3
AZ1117/adj
SOT223/SMD
1
2
3
ADJ/GND
OUT
IN
MAX5025
U7
1
2
3
4
6
5
PGND
GN
D
FB
SHDN
LX
VCC
L5
47uH
U4
AP1513/SOP-8
SO8
1
2
3
4
5
6
7
8
FB
EN
OCSET
Vcc
O/P
O/P
Vss
Vss
+
CE22
220uF/16V
CAP6-5MM
U6
AP1506-3.0/ADJ
1
5
4
3
2
6
VIN
/ON
FBK
GN
D
Vout
TA
B
C27
0.1uF
SMD-CC0603
+
CE30
1000uF/10V
R33
39K
+
CE13
220uF/16V
CAP6-5MM
C35
0.1uF
SMD-CC0603
+
CE14
220uF/16V
CAP8-5MM
L3
47uH
L-10
1
2
+
CE20
220uF/16V
CAP-5MM
+
CE9
100uF/16V
CAP-5MM
C14
10pF
C40
0.1uF
SMD-CC0603
C39
0.1uF
SMD-CC0603
+
CE34
470uF/16V
CAP8-5MM
R31
110_1%
SMD-R0603
D3
SCHOTTKY DIODE/B340A
403A
+
CE31
220uF/16v
CAP8-5MM
R348
NS/0
SMD-R1210
U2
AZ1117/adj
SOT223/SMD
1
2
3
ADJ/GND
OUT
IN
R16
100
FB11
FB
SMD-L0805
FB5
FB
SMD-L0805
U8
LT1084 TO-263-3
TO-263-3/SMD
3
1
2
IN
ADJ/GND
OUT
FB10
FB
SMD-L0805
R24
100K
SMD-R0603
R17
3K
SMD-R0603
C33
0.1uF
SMD-CC0603
+
CE27
470uF/16V
CAP8-5MM
+
CE16
470uF/16V
CAP8-5MM
FB3
FB
SMD-L0805
+
CE25
220uF/16V
CAP-5MM
L2
150_Ohm_2A
R36
1K_1%
L4
22uH/POWER CHOKE
L5-9
C37
0.1uF
SMD-CC0603
C10
NS/100nF
SMD-CC0603
Содержание HL42B-B
Страница 8: ...8 3 2 2 Connector definition Main board connector ...
Страница 32: ...32 2 Video It include Auto Color and Color Temperature ...
Страница 34: ...34 Channel menu includes 5 Function Range Scan Single RF Scan Factory Scan ...
Страница 54: ...55 CN4 CN5 J28 10 1 3 No sound ...
Страница 60: ...61 Sincere Forever ...