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Service Manual
Model No.:
- 31 -
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
TV_S
CL
IF_TV
TV_S
DA
RF-AGC
I2C_SCL
I2C_SDA
5V-Tuner
TV_S
CL
TV_S
DA
VIFM
VIFP
SIF_CTL
IF_TV
SIFP
RF-AGC
TAGC
SIF_CTL
IF_TV
SIFM
5V-Tuner
+8V
AGND
5V-Tuner
+12V
+5V_LDO
+8V
+5V
+5V_LDO
+5V_LDO
SIF_CTL
TAGC
I2C_SCL
I2C_SDA
SIFP
SIFM
VIFP
VIFM
1K
FOR SECAM
DESIGN:George Guo
MODEL: MSTV2203-N1
TITLE: TUNER
CHECKED:
Date: DEC. 12,2009
APPRD:
SHEET: 5 OF 9
VER:1.0
5.01V 119mA
SIF_CTL HI B/G,DK,I,L
SIF_CTL LOW L'
L15
10UH
L15
10UH
R146 22K
R146 22K
R138
100R
R138
100R
R130
NC/4.7K
R130
NC/4.7K
R140
NC/1.5K
R140
NC/1.5K
R147
4.7K/NC
R147
4.7K/NC
R134
0R/NC
R134
0R/NC
R137
NC/4.7K
R137
NC/4.7K
C83 0.1uF
C83 0.1uF
D6
NC/BA892
D6
NC/BA892
C82
10uF
C82
10uF
C73
10nF/15nF
C73
10nF/15nF
C75
22pF
C75
22pF
R132
NC/4.7K
R132
NC/4.7K
R136
100R
R136
100R
L8 NC
L8 NC
R133
NC/680R
R133
NC/680R
R157
1.5K
R157
1.5K
R142 0R/39R
R142 0R/39R
Q14
3904/NC
Q14
3904/NC
3
1
2
R131
NC/4.7K
R131
NC/4.7K
R145
0R/NC
R145
0R/NC
C76 10nF/15nF
C76 10nF/15nF
C77
0.1uF
C77
0.1uF
F21WT-3DAR-E
TUNER1
F21WT-3DAR-E
F21WT-3DAR-E
TUNER1
F21WT-3DAR-E
NC
2
NC
10
5VB
7
SDA
5
NC
8
AS
3
IFOUT
11
SCL
4
33V
9
AGC
1
NC
6
GND
15
GND
12
GND
14
GND
13
EC5
NC/47uF/16V
EC5
NC/47uF/16V
C78
NC
C78
NC
R155
0R
R155
0R
C72
0R/NC
C72
0R/NC
FB5
NC/FB56R/1A
FB5
NC/FB56R/1A
C71
NC/15nF
C71
NC/15nF
D5
1N4148
D5
1N4148
C70
NC/10uF
C70
NC/10uF
R154
510R
R154
510R
AFT7W103G
TUNER2
NC/AFT7W103G
AFT7W103G
TUNER2
NC/AFT7W103G
NC
2
NC
10
5VB
7
SDA
5
NC
8
AS
3
IFOUT
11
SCL
4
NC
9
AGC
1
NC
6
GND
15
GND
12
GND
14
GND
13
+
EC16 470uF/16V
+
EC16 470uF/16V
Q12
NC/2SC2216
Q12
NC/2SC2216
3
1
2
C84 0.1uF
C84 0.1uF
R128
NC/100R
R128
NC/100R
D3 NC
D3 NC
U10
AMS1084CD-ADJ
U10
AMS1084CD-ADJ
VIN
3
VOUT
2
ADJ
1
TAB
4
L7 NC/1uH
L7 NC/1uH
D4 0R
D4 0R
+
EC6 470uF/16V
+
EC6 470uF/16V
R143
12K
R143
12K
U11
AMS1084CD-ADJ
U11
AMS1084CD-ADJ
VIN
3
VOUT
2
ADJ
1
TAB
4
Q13
NC/3904
Q13
NC/3904
1
2
3
R151
4.7K/NC
R151
4.7K/NC
D7
BA892
D7
BA892
SAW
U9
D7262H/D3953N
SAW
U9
D7262H/D3953N
2
ING
4
OUT1
GND
3
5
OUT2
1
IN
SAW
U8
D9352H/D9650N
SAW
U8
D9352H/D9650N
2
4
3
5
1
R153
470R
R153
470R
R135
0R/56R
R135
0R/56R
C74
22pF
C74
22pF
FB8
NC/FB56R/1A
FB8
NC/FB56R/1A
R141
NC/22R
R141
NC/22R
R129 NC/4.7K
R129 NC/4.7K
R148 22K
R148 22K
R156
2.49K/%1
R156
2.49K/%1
R152
NC/0R
R152
NC/0R
R139
NC/75R
R139
NC/75R
C80
NC
C80
NC
R144
NC/4.7K
R144
NC/4.7K
C3
NC/0.1uF
C3
NC/0.1uF
C79 10nF/15nF
C79 10nF/15nF