Hisense MTK8222, Руководство по обслуживанию

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5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
OSDA0
OSCL0 SCL_V50
MPX2_P
MPX2_P
MPX1
SDA_V50
CVBS0P
CVBS0N
+5V_TUNER
MPX2_N
MPX2_N
GND
OSCL0
OSDA0
TUNER_CVBS
TU_CVBS_GND
TV1-V
+5V_TUNER
SCL_V50
SDA_V50
TV_SIF
TV_AUDIO
12V_M
PWM1
IF_TUNER
SCL_V50
SDA_V50
TV1-V
TV_SIF
IF_AGC
TV
IF_TUNER IF_TUNER IF_TUNER IF_TUNER IF_TUNER
TV_AUDIO
PWM1
TU_33V
TU_33V
TUNER_CVBS
IF_AGC
TV_AIN MPX1
CVBS0P
CVBS0N
SCT1_AV_OUT
TV_BYPASS_MUTE
SCT1_AV_OUT
TV_BYPASS_MUTE
+3V3
TV_AIN
+5V_TUNER +5V_TUNER
+5V_TUNER
+3V3
+3V3
+5V_TUNER
+5V_TUNER
12V_M
+5V_TUNER
+5V_TUNER 5V-OUT
5V-OUT
5V-OUT
5V-OUT
5V-OUT
12V_M
+5V_TUNER
+5V_TUNER
+3V3
CVBS0P 3
MPX2_P 3
MPX1 3
CVBS0N 3
MPX2_N 3
GND 2,3,4,5,6,7,8,9,10,12,13,14
+5V_TUNER 2
OSCL0 3,6,8,14
OSDA0 3,6,8,14
12V_M 2,14
PWM1 3
SCT1_AV_OUT 10
TV_BYPASS_MUTE 3
+3V3 2,3,4,6,7,13,14
TV_AIN 12
Title
Size Document Number Rev
Date: Sheet of
MediaTek (ShenZhen) Inc.
Drawn: 1
C
11 14
MediaTek Confidential
Title
Size Document Number Rev
Date: Sheet of
MediaTek (ShenZhen) Inc.
Drawn: 1
C
11 14
MediaTek Confidential
Title
Size Document Number Rev
Date: Sheet of
MediaTek (ShenZhen) Inc.
Drawn: 1
C
11 14
MediaTek Confidential
N-MOSFET
N-MOSFET
I2C ADDRESS:
READ is 0X87
WRITE is 0X86
NEARLY TUNER NEARLY MT8222
RF Tuner
Jiu.Ni
2008/1/25
HISENSE_MT8222_EU
modify by 08/03/20
Wangxiyu 20080721
Wangxiyu 20080721
C325 C16
删除
20080911
增加网络
20080911
VER.D
更改：预留
0
欧
电阻（南美机）
20081223
VER.D
更改：预留
0
欧
电阻（南美机）
20081223
1
2 3
QF2
2N7002
R-SOT3N-0.95-2.75-HX
QF2
2N7002
R-SOT3N-0.95-2.75-HX
C178
220nF
C178
220nF
R214 10
R-RESC1005L-HX
R214 10
R-RESC1005L-HX
R117 10
R-RESC1005L-HX
R117 10
R-RESC1005L-HX
+
CE39
1uF/50V
+
CE39
1uF/50V
R189 100 R189 100
R184
NC
R184
NC
R141
NC/2K R141
NC/2K
C
631
47p
C
631
47p
D109
IN4148
D109
IN4148
R644 47K R644 47K
+
CE131
4.7uF/16v
+
CE131
4.7uF/16v
R43 100
R-RESC1005L-HX
R43 100
R-RESC1005L-HX
R215
75
R-RESC1005L-HX
R215
75
R-RESC1005L-HX
D8 IN4148 D8 IN4148
1
3
2
Q9
2N3904 Q9
2N3904
C181
470nF
C181
470nF
C184
0.1uF/50V
C184
0.1uF/50V
R190
NC
R190
NC
+
CE35
47UF/16V
+
CE35
47UF/16V
R45 0
R-RESC1005L-HX
R45 0
R-RESC1005L-HX
C616
22pF
C616
22pF
R185
4.7K
R185
4.7K
R142
33K
R-RESC1005L-HX
R142
33K
R-RESC1005L-HX
C
632
47p
C
632
47p
R120
75
R-RESC1005L-HX
R120
75
R-RESC1005L-HX
+
CE130
47uF/16v
+
CE130
47uF/16v
C618
15pF
C618
15pF
R669 0/NS R669 0/NS
R195 100 R195 100
D9
C33V1
D9
C33V1
R191
22K
R191
22K
R153
22K R153
22K
R233
NS/10K
R-RESC1005L-HX
R233
NS/10K
R-RESC1005L-HX
R642 33 R642 33
D7 IN4148 D7 IN4148
C15 47nF
R-CAPC1005L-HX
C15 47nF
R-CAPC1005L-HX
R152
10K
R-RESC1005L-HX
R152
10K
R-RESC1005L-HX
1
3
2
Q32
C1815TL1
Q32
C1815TL1
L79 10uH L79 10uH
R196
NC R196
NC
R44
75
R-RESC1005L-HX
R44
75
R-RESC1005L-HX
D6 IN4148 D6 IN4148
C617
22pF
C617
22pF
2
ING
4
OUT1 GND
3
5 OUT2 1 IN
SAW
U16
N9455
SAW
U16
N9455
R201
1K R201
1K
D132
NC/IN4148 D132
NC/IN4148
1
2 3
QF1
2N7002
R-SOT3N-0.95-2.75-HX
QF1
2N7002
R-SOT3N-0.95-2.75-HX
D11
IN4148
D11
IN4148
+
CE6 100uF/16V
A-E6.3-R-HX
+
CE6 100uF/16V
A-E6.3-R-HX
R234
0
R-RESC1005L-HX
R234
0
R-RESC1005L-HX
L15
10uH
L15
10uH
R648
75
R648
75
R643 33 R643 33
L84
3.3uH
L84
3.3uH
DGND
7
TOP
9
VIF
1
1
VIF
2
2
RE
F
15
NC(5)/
V
A
G
C(6)
16
D
EEM
5
SC
L
11
OUT1
3
NC
13
A
UD_OUT
8
SD
A
10
FMP
L
L
4
TA
GC
14
AF
D
6
SIO
M
AD
12
C
VBS
17
AG
N
D
18
VPL
L
19
VPP
20
AF
C
21
OUT2
22
SIF
1
23
SIF
2
24
U19
TDA9886
U19
TDA9886
R197
220
R197
220
C172
10nF
C172
10nF
R252
NS/0
R252
NS/0
R192
330
R192
330
R670 39K R670 39K
R202
100K R202
100K
+
CE231
470uF/10v
+
CE231
470uF/10v
C198
10nF
C198
10nF
C174
0.1uF
C174
0.1uF
C193
10nF
C193
10nF
R235
NS/1K
R-RESC1005L-HX
R235
NS/1K
R-RESC1005L-HX
R154 10K R154 10K
D81 NS/1N4148 D81 NS/1N4148
+
CE132
4.7uF/16v
+
CE132
4.7uF/16v
C179
0.1uF
C179
0.1uF
R186
2.2K/6.8K
R186
2.2K/6.8K
R42 75
R-RESC1005L-HX
R42 75
R-RESC1005L-HX
R232
75
R-RESC1005L-HX
R232
75
R-RESC1005L-HX
1
3
2
Q11
3904
Q11
3904
C102 10nF C102 10nF
C182
10nF
C182
10nF
R155
75 R155
75
C619
15pF
C619
15pF
R193
4.7K R193
4.7K
C196
390pF
C196
390pF
R251
NS/0
R251
NS/0
C180
22pF
C180
22pF
1
3 2
QF11
NS/A03401
R-SOT3N-0.95-2.75-HX
QF11
NS/A03401
R-SOT3N-0.95-2.75-HX
R200
2k2 R200
2k2
C195
470nF
C195
470nF
1
2
3
Q10
3904
Q10
3904
R204 4.7K R204 4.7K
1
3
2
Q12
3904 Q12
3904
+
CE38
47uF/16V
+
CE38
47uF/16V
C197
1nF
C197
1nF
CB203
0.1uF
R-CAPC1005L-HX
CB203
0.1uF
R-CAPC1005L-HX
R671 39K R671 39K
C324 1uF C324 1uF
C1
8
5
0.1uF
C1
8
5
0.1uF
R157
4.7K
R157
4.7K
R18
4.7K R18
4.7K
L52
100uH L52
100uH
C156 10nF C156 10nF
R137
5.6K
R137
5.6K
1
3
2
Q15
NS/2N3904 Q15
NS/2N3904
C175
1.5nF
C175
1.5nF
C187
10nF
C187
10nF
+
CE94
10uF/16V
R-CAPC2012N-HX
+
CE94
10uF/16V
R-CAPC2012N-HX
R326 47R R326 47R
R194
22K
R194
22K
R158 100 R158 100
AG
C
1
NC1
2
AS
3
SC
L
4
SD
A
5
5V
A
6
5V
B
7
NC3
8
33V
9
NC4
10
IF
out
11
GND3
12
GND2
13
GND1
14
GND4
15
GND5
16
GND6
17
GND7
18
GND8
19
U15 TUNER_IF U15 TUNER_IF
C14
47pF
R-CAPC1005L-HX
C14
47pF
R-CAPC1005L-HX
R187
4.7K
R187
4.7K
1
2
Y2
4MHz
Y2
4MHz
R139
100K R139
100K
R17
4.7K R17
4.7K
1
3
2
Q14
2N3904 Q14
2N3904
CB204
4.7uF
R-CAPC2012N-HX
CB204
4.7uF
R-CAPC2012N-HX
+
CE36
10uF/50V
+
CE36
10uF/50V
C194
10nF
C194
10nF
2
ING
4
OUT1 GND
3
5
OUT2
1
IN
SAW
U20
N6274
SAW
U20
N6274
R188
1k
R188
1k
R170
6.8K/8.2K
R170
6.8K/8.2K
R140
4.7K
R140
4.7K
C613
0.1uF
C613
0.1uF