Service Manual
Model No.:
- 33 -
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
PWD_MT
LOUT-
MUTE
ROUT-
PWD_MT
AL+
AL+
LOUT-
MUTE_msh9000
MUTE
MUTE_msh9000
AR-
ROUT+
LOUT+
ROUT-
LOUT+
AL-
gain0
LOUT-
gain1
gain0
gain1
G-CTL
AR+
ROUT-
ROUT+
AMP-EN
AMP-EN
G-CTL
AR+
AL+
AR+
ROUT+
LOUT+
LOUT#
ROUT#
MUTE
SVRR
ROUT#
SVRR LOUT#
VCC-OP2
AL+
PWD_MT
PWD_MT
VCC-OP2
AMP_RIN
AMP_LIN
AR+
AMP_RIN
PH_L
AMP_LIN
PH_R
PWD_MT
MUTEDD
MUTEDD
+5VSB
+12V
+3.3V_SB
+12V
+12V
+5VSB
+5VSB
+12V
Mute-VCC
+12V
+8V
4VA
4VA
AUDIO_PWR
AUDIO_PWR
AUOutR1_amp
AUOutL1_amp
AMP-MUTE
2
PH_DETECT
PH_L
PH_R
AUDIO Pre AMP
11.86V
MUTE ON
MUTE OFF
LOW:shut down
HIGH:OPERATING
Mstar Audio Amp + 8
Speaker
HIGH:MUTE
LOW:OPERATING
DESIGN:George Guo
MODEL: MSTV2203-N1
TITLE: AUDIO AMP
CHECKED:
Date: DEC. 12,2009
APPRD:
SHEET: 7 OF 9
VER:1.0
PH_Drive
ϡ⫼
4558
ᯊˈⷁ
ϡ⫼
4558
ᯊˈⷁ
FOR S2
FOR S2
Q24
3904
Q24
3904
1
2
3
R237
33K
R237
33K
R249
NC/0R
R249
NC/0R
D9
1N4148
D9
1N4148
R240 4.7K
R240 4.7K
L11 18uH/3A
L11 18uH/3A
R259 10K
R259 10K
R257
1K
R257
1K
C139
220nF
C139
220nF
R316
NC/3K
R316
NC/3K
Q23
3904
Q23
3904
1
2
3
R233
1K
R233
1K
R260
470R
R260
470R
R258 NC/10K
R258 NC/10K
C128
10nF
C128
10nF
+
EC21 NC/4.7uF/25V
+
EC21 NC/4.7uF/25V
1
2
R229 22R
R229 22R
U16
NC/TPA1517
U16
NC/TPA1517
IN1
1
SGND
2
SVRR
3
OUT1
4
PGND
5
OUT2
6
VCC
7
M/SB
8
IN2
9
GND/HS
10
GND/HS
11
GND/HS
12
GND/HS
13
GND/HS
14
GND/HS
15
GND/HS
16
GND/HS
17
GND/HS
18
GND/HS
19
GND/HS
20
C136 NC/220nF
C136 NC/220nF
-
+
U15B
4558
-
+
U15B
4558
5
6
7
8
4
C150
0.1uF
C150
0.1uF
L12
18uH/3A
L12
18uH/3A
R235
22K
R235
22K
R225 10K
R225 10K
+
EC9 220uF/16V
+
EC9 220uF/16V
R317
0R
R317
0R
R230 1K
R230 1K
R268
270K
R268
270K
R264 10K
R264 10K
R276
NC
R276
NC
R244
22K
R244
22K
E45
V800AA
E45
V800AA
Q18 3904
Q18 3904
1
2
3
C124
470pF
C124
470pF
+
C123 10uF
+
C123 10uF
Q22 3904
Q22 3904
U17
MSH9000 (QFN40 IC)
U17
MSH9000 (QFN40 IC)
VIPL
3
VINL
4
HVSSL
1
G1
2
VIPR
8
VINR
7
G0
5
MUTE
6
OUTNR
12
HVSSR
11
HVSSR
10
AVSS2
9
HVDDR
16
HVDDR
15
OUTNR
14
HVDDR
13
OUTPR
17
HVDDR
18
OUTPR
19
HVSSR
20
HVSSR
21
FBPR
22
FBNR
23
AVSS1
24
AVDD
25
EN
26
NC
27
HVSSL
30
HVSSL
31
OUTPL
32
HVDDL
33
OUTPL
34
HVDDL
35
HVDDL
36
OUTNL
37
HVDDL
38
OUTNL
39
HVSSL
40
FBNL
28
FBPL
29
thermal
41
C152
0.1uF
C152
0.1uF
J11
SPEAKER
J11
SPEAKER
4 3 2 1
C126
470pF
C126
470pF
R251 NC/2K
R251 NC/2K
R234
NC
R234
NC
Q20 3906
Q20 3906
1
3
2
R245
NC
R245
NC
C147
0.47uF
C147
0.47uF
D13
0R_1206
D13
0R_1206
C134 NC/2.2uF
C134 NC/2.2uF
R261
10K
R261
10K
R262
10K
R262
10K
C130 2.2uF
C130 2.2uF
-
+
U15A 4558
-
+
U15A 4558
3
2
1
8
4
EC14
220uF/25V
EC14
220uF/25V
1
2
+
EC8 220uF/16V
+
EC8 220uF/16V
Q29
3904
Q29
3904
1
2
3
C145
0.47uF
C145
0.47uF
C138 NC/2.2uF
C138 NC/2.2uF
R267 NC/10K
R267 NC/10K
D12
1N4148
D12
1N4148
C154
220nF
C154
220nF
R279
NC/47K
R279
NC/47K
R246
33K
R246
33K
C142
0.1uF
C142
0.1uF
C151
NC
C151
NC
R322
3R/3W
R322
3R/3W
R271
10K
R271
10K
C127
2.2uF
C127
2.2uF
C143
0.1uF
C143
0.1uF
R278
1K
R278
1K
EC15
470uF/25V
EC15
470uF/25V
+
EC12
NC/220uF/25V
+
EC12
NC/220uF/25V
1
2
L14
18uH/3A
L14
18uH/3A
C141
0.1uF
C141
0.1uF
R241 47K
R241 47K
C148
0.47uF
C148
0.47uF
R265 NC/10K
R265 NC/10K
R242 10K
R242 10K
D10
1N4148
D10
1N4148
R254 NC/2R2
R254 NC/2R2
R227 47K
R227 47K
C140
220nF
C140
220nF
R232 1K
R232 1K
R250
NC/0R
R250
NC/0R
Q25
3904
Q25
3904
C132
10nF
C132
10nF
C135
NC/0.1uF
C135
NC/0.1uF
C149
0.1uF
C149
0.1uF
C125 2.2uF
C125 2.2uF
Q26
NC/3904
Q26
NC/3904
1
2
3
EC13
470uF/25V
EC13
470uF/25V
R256
0R
R256
0R
Q19 3904
Q19 3904
1
2
3
Q21 3904
Q21 3904
1
2
3
R239 4.7K
R239 4.7K
R228 22R
R228 22R
R323
NC/0R
R323
NC/0R
C131
2.2uF
C131
2.2uF
R231 10K
R231 10K
C146
1uF
C146
1uF
+
EC10
NC/470uF/16V
+
EC10
NC/470uF/16V
1
2
R255
NC
R255
NC
L13
18uH/3A
L13
18uH/3A
R252 NC/2K
R252 NC/2K
R299
0R
R299
0R
R253 NC/2R2
R253 NC/2R2
R280
1K
R280
1K
R274
NC/100K
R274
NC/100K
+
EC11 NC/470uF/16V
+
EC11 NC/470uF/16V
1
2
R269
10K
R269
10K
Q27
3904
Q27
3904
1
2
3
C137
NC/220nF
C137
NC/220nF
E44
V800AA
E44
V800AA
R277
NC/4.7K
R277
NC/4.7K
R226 10K
R226 10K
R243
1K
R243
1K
R272
1K
R272
1K
C144
0.47uF
C144
0.47uF
R275
100R
R275
100R
R300
NC/47K
R300
NC/47K
R270
1K
R270
1K
D11
NC/5V1
D11
NC/5V1
+
C122
10uF
+
C122
10uF
C153
220nF
C153
220nF
R266
10K
R266
10K
R273 10K
R273 10K
Q28
3904
Q28
3904
1
2
3
R263
1K
R263
1K