Service Manual
Model No.:
- 28 -
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
V8ADJ
V8ADJ
V8ADJ
V8ADJ
1.32V
5VA
GND
GND
+12V
+8V
GND
1.8VA
1.8VA
3.3VU
5Vstb
3.3VA
5VA
2.5VA
1.32V
2.5VA
5VA
3.3VA
1.8VA
3.3VU
3.3VA
SHEN ZHEN MTC MULTIMEDIA CO.,LTD
DESIGN:YANXUEWU
MODEL: MSDV3205-L2
TITLE:MST_POWER
CHECKED:
PART NO.:
DWG NO.:
APPRD:
SHEET: 10 OF 12
VER:1.0
MSD306 POWER SUPPLY
8.12V
1.27V
1.02A
+1.2V FOR MST CORE
U37
靠近
CA16
放置
230mA(DDR2/PCS)
3.29V/380mA
1.31V/1100mA
3.29V/150mA
2.54V/230mA
1.84V/110mA
1.31V
C154
15nF
C154
15nF
A
D
J
OUT
IN
U12
AMS1117-3.3
A
D
J
OUT
IN
U12
AMS1117-3.3
3
2
1
4
C132
NC/0.1u
C132
NC/0.1u
R279
470R
R279
470R
C127
0.1u
C127
0.1u
C
1
6
5
1
0
u
F
C
1
6
5
1
0
u
F
C140
0.1u
C140
0.1u
C128
NC/0.1u
C128
NC/0.1u
R280
2K
R280
2K
U16
MP1482
U16
MP1482
EN
7
FB
5
VCC
2
BS
1
SW
3
AGND
4
SS
8
COMP
6
R273
1k
R273
1k
C
1
6
2
1
5
n
F
C
1
6
2
1
5
n
F
R281
6.8K
R281
6.8K
C141
0.1u
C141
0.1u
C123
0.1u
C123
0.1u
C142
0.1u
C142
0.1u
A
D
J
OUT
IN
U11
AMS1117-3.3
A
D
J
OUT
IN
U11
AMS1117-3.3
3
2
1
4
C137
0.1u
C137
0.1u
C135
0.1u
C135
0.1u
C158
0.1u
C158
0.1u
+
C
1
6
3
4
7
0
u
F
/1
6
V
+
C
1
6
3
4
7
0
u
F
/1
6
V
C152
100uF/16V
C152
100uF/16V
C134
NC/0.1u
C134
NC/0.1u
C
1
5
9
1
n
F
C
1
5
9
1
n
F
R274
1K
R274
1K
+
C
1
3
1
2
2
0
u
F
/1
6
V
+
C
1
3
1
2
2
0
u
F
/1
6
V
C143
0.1u
C143
0.1u
C121
0.1u
C121
0.1u
R282
4.7K
R282
4.7K
C138
0.1u
C138
0.1u
C151
0.1uF
C151
0.1uF
+
C
1
5
0
1
0
0
u
F
/1
6
V
+
C
1
5
0
1
0
0
u
F
/1
6
V
C148
0.1u
C148
0.1u
R278
100K
R278
100K
+
C
1
2
6
1
0
0
u
F
/1
6
V
+
C
1
2
6
1
0
0
u
F
/1
6
V
C124
0.1u
C124
0.1u
C133
0.1u
C133
0.1u
C144
0.1u
C144
0.1u
+
C
1
3
6
1
0
0
u
F
/1
6
V
+
C
1
3
6
1
0
0
u
F
/1
6
V
R269
NC
R269
NC
C157
0.1u
C157
0.1u
C139
NC/0.1u
C139
NC/0.1u
R277
2.49K/%1
R277
2.49K/%1
C153
0.1uF
C153
0.1uF
R270
0R
R270
0R
R271
NC
R271
NC
C125
NC/0.1u
C125
NC/0.1u
C122
0.1u
C122
0.1u
R275
470R
R275
470R
C
1
6
4
0
.1
u
C
1
6
4
0
.1
u
C146
0.1u
C146
0.1u
L80
15H_2A
L80
15H_2A
C156
0.1u
C156
0.1u
C160
10uF
C160
10uF
A
D
J
OUT
IN
U14
AMS1117-ADJ
A
D
J
OUT
IN
U14
AMS1117-ADJ
3
2
1
4
A
D
J
OUT
IN
U13
AMS1117-ADJ
A
D
J
OUT
IN
U13
AMS1117-ADJ
3
2
1
4
U15
AMS1084-SO263
TO-252-4
U15
AMS1084-SO263
TO-252-4
Adjust
1
VIN
3
VOUT
2
TAB
4
R272
0R
R272
0R
C130
0.1u
C130
0.1u
C147
0.1u
C147
0.1u
+
C129
100uF/16V
+
C129
100uF/16V
C155
0.1u
C155
0.1u
C145
0.1u
C145
0.1u
C149
0.1u
C149
0.1u
R276
220R
R276
220R
C
1
6
1
0
.1
u
C
1
6
1
0
.1
u
Содержание MHDV2245-O3-D0
Страница 19: ...Service Manual Model No 19 INSTALLATION ...
Страница 26: ......
Страница 27: ...7 Electrical parts 7 1 Block diagram Service Manual Model No 26 MSD306 1517 1 2 ...
Страница 51: ...Service Manual Model No 50 10 Trouble shooting 10 1 Simple check ...
Страница 53: ...Service Manual Model No 52 3 Panel display abnormally connector j20 is at normal level ...
Страница 57: ...Service Manual Model No 56 7 PC no picture or picture abnormal ...
Страница 58: ...Service Manual Model No 8 YPBPR AV SCART no picture or picture abnormal Check Y 57 ...