BGH BL3209S Manual De Servicio página 41

5
L79 L79 10uH 10uH
+5V_TUNER
C613 C613
+5V_TUNER CE94 CE94
+ +
10uF/16V 10uF/16V
D
R-CAPC2012N-HX R-CAPC2012N-HX 0.1uF 0.1uF
CB203 CB203
0.1uF 0.1uF
CB204 CB204
4.7uF 4.7uF R-CAPC1005L-HX R-CAPC1005L-HX
R-CAPC2012N-HX R-CAPC2012N-HX
R185 R185 R140 R140
4.7K 4.7K 4.7K 4.7K
D6 D6
Q10 Q10
R154 R154
1
IF_TUNER IF_TUNER IF_TUNER IF_TUNER IF_TUNER
3904 3904 R196 R196
NC NC
R648 R648
75 75
IN4148 IN4148
D7 D7 U16 U16
IN
1
C182 C182
D8 D8 IN4148 IN4148
C 2
ING
R157 R157 R184 R184
10nF 10nF
N9455 N9455
4.7K 4.7K NC NC
5V-OUT
R186 R186
R170 R170
U20 U20
C187 C187
10nF 10nF 6.8K/8.2K 6.8K/8.2K 2.2K/6.8K 2.2K/6.8K
IN
1
SAW SAW
R200 R200
D11 D11
2
2k2 2k2 IN4148 IN4148 ING OUT1
N6274 N6274
Q11 Q11
R158 R158
1
R190 R190
3904 3904
NC NC
B
+5V_TUNER
R152 R152
10K 10K
R-RESC1005L-HX R-RESC1005L-HX
TUNER_CVBS CE6 CE6 100uF/16V 100uF/16V R117 R117 10 10
M-ED6.3-05.0-HX M-ED6.3-05.0-HX R142 R142 R-RESC1005L-HX R-RESC1005L-HX
33K 33K
R-RESC1005L-HX R-RESC1005L-HX
R214 R214 10 10
R-RESC1005L-HX R-RESC1005L-HX
A
5
4
U15 U15 TUNER_IF TUNER_IF
IF_TUNER D81 D81 NS/1N4148 NS/1N4148
R644 R644 47K 47K IF_AGC
Wangxiyu 20080721
R642 R642 33 33 SDA_V50
R643 R643 33 33 SCL_V50
TU_33V C616 C616 C617 C617
+ +
CE130 CE130 22pF 22pF 22pF 22pF
47uF/16v 47uF/16v
Wangxiyu 20080721
5V-OUT
5V-OUT
R193 R193 I2C ADDRESS:
4.7K 4.7K
R194 R194 R191 R191
READ is 0X87
22K 22K 22K 22K
WRITE is 0X86
IN4148 IN4148
10K 10K
C172 C172 IF_AGC
Y2 Y2
4MHz 4MHz
10nF 10nF C174 C174
R192 R192 C175 C175 R139 R139 C179 C179
0.1uF 0.1uF 100K 100K
330 330 1.5nF 1.5nF 0.1uF 0.1uF
C178 C178 C181 C181 C180 C180 R153 R153
22K 22K
OUT2 5
SAW SAW
220nF 220nF 470nF 470nF 22pF 22pF
5V-OUT
TV
R188 R188
4
OUT1
1k 1k
U19 U19
Q12 Q12
1
3904 3904
TDA9886 TDA9886
OUT2
5
R195 R195
4 R189 R189
C193 C193
C194 C194 C195 C195 R197 R197
R137 R137 C196 C196 C197 C197 R141 R141
10nF 10nF
100 100 10nF 10nF 470nF 470nF
NC/2K NC/2K
R187 R187 5.6K 5.6K 390pF 390pF 1nF 1nF 220 220
C198 C198
10nF 10nF 4.7K 4.7K
5V-OUT
+5V_TUNER
NEARLY TUNER
Q9 Q9
1
2N3904 2N3904
R42 R42 75 75
C14 C14
R120 R120 R-RESC1005L-HX R-RESC1005L-HX 47pF 47pF
75 75 R44 R44 R-CAPC1005L-HX R-CAPC1005L-HX
R-RESC1005L-HX R-RESC1005L-HX
75 75
R-RESC1005L-HX R-RESC1005L-HX
R45 R45 0 0
R-RESC1005L-HX R-RESC1005L-HX
+5V_TUNER
R234 R234
0 0
Q14 Q14
1
CE231 CE231
2N3904 2N3904 R-RESC1005L-HX R-RESC1005L-HX R232 R232
470uF/10v 470uF/10v
75 75
SCT1_AV_OUT
2 3
QF11 QF11
R-RESC1005L-HX R-RESC1005L-HX
NS/A03401 NS/A03401
R215 R215
R-SOT3N-0.95-2.75-HX R-SOT3N-0.95-2.75-HX
75 75 +5V_TUNER
R-RESC1005L-HX R-RESC1005L-HX R233 R233
NS/10K NS/10K
R235 R235
R-RESC1005L-HX R-RESC1005L-HX
NS/1K NS/1K
TV_BYPASS_MUTE Q15 Q15
1
NS/2N3904 NS/2N3904
R-RESC1005L-HX R-RESC1005L-HX
4
3
+5V_TUNER +5V_TUNER
R17 R17 R18 R18
QF1 QF1
4.7K 4.7K 4.7K 4.7K
2N7002 2N7002
N-MOSFET
OSCL0 SCL_V50
2 3
+3V3
R-SOT3N-0.95-2.75-HX R-SOT3N-0.95-2.75-HX
TU_33V
C184 C184
D9 D9
+ +
QF2 QF2 CE36 CE36 0.1uF/50V 0.1uF/50V
2N7002 2N7002 10uF/50V 10uF/50V C33V1 C33V1
N-MOSFET
OSDA0 2 3 SDA_V50
+3V3
R-SOT3N-0.95-2.75-HX R-SOT3N-0.95-2.75-HX
CE35 CE35
+ +
47UF/16V 47UF/16V
L15 L15
+5V_TUNER
10uH 10uH
+ + CE38 CE38
47uF/16V 47uF/16V
TV1-V
R155 R155
75 75
TV1-V
100 100 SCL_V50
100 100 SDA_V50
TV_AUDIO
TV_SIF
CE131 CE131
R669 R669 0/NS 0/NS
TV_AUDIO
4.7uF/16v 4.7uF/16v
NEARLY MT8222
R-RESC1005L-HX R-RESC1005L-HX
R-CAPC1005L-HX R-CAPC1005L-HX
R43 R43 100 100
C15 C15 47nF 47nF CVBS0N
C324 C324 1uF 1uF CVBS0P
C325 C16删除
20080911
modify by 08/03/20
3
2
12V_M
R326 R326 47R 47R
L52 L52
100uH 100uH
D109 D109
R201 R201
1K 1K
IN4148 IN4148 Q32 Q32
+ +
R202 R202 CE39 CE39 R204 R204 4.7K 4.7K PWM1
1
C1815TL1 C1815TL1
100K 100K 1uF/50V 1uF/50V
D132 D132
NC/IN4148 NC/IN4148
L84 L84
TUNER_CVBS
3.3uH 3.3uH
TU_CVBS_GND
增加网络
20080911
CE132 CE132
R670 R670 39K 39K R671 R671 39K 39K
TV_AIN MPX1
4.7uF/16v 4.7uF/16v
C618 C618 C619 C619
15pF 15pF 15pF 15pF
MediaTek (ShenZhen) Inc. MediaTek (ShenZhen) Inc. MediaTek (ShenZhen) Inc.
Title Title Title
Size Size Size
C C C
Date: Date: Date:
2
1
+5V_TUNER
+5V_TUNER
+5V_TUNER 2
GND
GND 2,3,4,5,6,7,8,9,10,12,13,14
CVBS0P
CVBS0P 3
CVBS0N
CVBS0N 3
SCT1_AV_OUT
SCT1_AV_OUT 10
D
TV_AIN
TV_AIN 12
MPX1
MPX1 3
MPX2_P
MPX2_P 3
MPX2_N
MPX2_N 3
OSCL0
OSCL0 3,6,8,14
OSDA0
OSDA0 3,6,8,14
12V_M
12V_M
12V_M 2,14
+3V3
+3V3
+3V3 2,3,4,6,7,13,14
PWM1
PWM1 3
TV_BYPASS_MUTE
TV_BYPASS_MUTE 3
C
TV_SIF C156 C156 10nF 10nF MPX2_P
C102 C102 10nF 10nF MPX2_N
B
A
MediaTek Confidential MediaTek Confidential MediaTek Confidential
RF Tuner
Document Number Document Number Document Number Rev Rev Rev
Drawn: Drawn: Drawn: 1 1 1
Jiu.Ni
2008/1/25 Sheet Sheet Sheet 11 11 11 of of of 14 14 14
1