
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
TUNER
40mA
closed to tuner
280mA
closed to tuner
靠近
tuner
放置
靠近
tuner
放置
TUNER POWER
IF demodulator I2C address is 0x10
5V_B1
5V_B2
T1_3.3V
T2_1.2V
TV+
TV_CVBS
SIFPOUT
SIFPOUT
TV-SIFP
TV-SIFM
#IF_OUT
IF_OUT
T_IFAGC
TV_CVBS
T_IFAGC
3.3V_TUNER
1.2V_TUNER
T1_3.3V
T2_1.2V
5VAIN
+12V
5V_Tuner
5V_B2
5V_B1
3.3V_TUNER
3.3V_TUNER
5VAIN
1.2V_TUNER
3.3V_TUNER
T_SCL
8
T_SDA
8
TV+
2
TV-SIFP 2
TV-SIFM 2
#IF_OUT
2,8
IF_OUT
2,8
Demod_RST 2,8
T-IF-AGC
8
Title
Size
Document Number
Rev
Date:
Sheet
of
TUNER
1.0
MMSB123X
A3
9
10
Saturday, December 11, 2010
Title
Size
Document Number
Rev
Date:
Sheet
of
TUNER
1.0
MMSB123X
A3
9
10
Saturday, December 11, 2010
Title
Size
Document Number
Rev
Date:
Sheet
of
TUNER
1.0
MMSB123X
A3
9
10
Saturday, December 11, 2010
R426
0R
R426
0R
R397 0R
R397 0R
C280
100n/16V
C280
100n/16V
C252
100u/16V
C252
100u/16V
C299
100n/16V
C299
100n/16V
R404
47R
R404
47R
V27
MMBT3904LT1
V27
MMBT3904LT1
3
1
2
N23
LD1117A-3.3AZ1117H-3.3
N23
LD1117A-3.3AZ1117H-3.3
AD
J
1
VOUT
4
VIN
3
VOUT
2
C271
100n/16V
C271
100n/16V
U1
VI4607
U1
VI4607
ANT_PWR
1
Vcc1
2
RAGC
3
Vcc2
4
Vsync
5
Reset
6
Vcc3
7
VTS
8
CAS
9
SCL
10
SDA
11
GND
22
GND
23
GND
24
GND
25
RF AGC
12
IF
13
Vcc4
14
XTO
15
CVBS
16
IF AGC EXT
17
Audio
18
SIF
19
IF+
20
IF-
21
R401
220R
R401
220R
R394
10k
R394
10k
R405
0R
R405
0R
C267
100n/16V
C267
100n/16V
C266
100u/16V/NC
C266
100u/16V/NC
C281 100n/16V
C281 100n/16V
L32
BLM18PG121SN1
L32
BLM18PG121SN1
N21
CW78D05CZ
N21
CW78D05CZ
GND
3
Vout
2
Vin
1
C272 100u/16V
C272 100u/16V
R402
75R/NC
R402
75R/NC
C282 100n/16V
C282 100n/16V
C255
2.2u/10V
C255
2.2u/10V
C270
1n/50V
C270
1n/50V
R398
47R
R398
47R
C253
1n/50V
C253
1n/50V
C269
2.2u/10V
C269
2.2u/10V
C276
100u/16V/NC
C276
100u/16V/NC
R400
10k
R400
10k
C254
100n/16V
C254
100n/16V
L30
BLM18PG121SN1
L30
BLM18PG121SN1
C277
100u/16V
C277
100u/16V
C293
100n/16V
C293
100n/16V
R396
10k/NC
R396
10k/NC
C273
47n/16V
C273
47n/16V
C249
2.2u/10V
C249
2.2u/10V
R371
10R/2W
R371
10R/2W
L31
BLM18PG121SN1
L31
BLM18PG121SN1
N24
AZ1117-1.2
N24
AZ1117-1.2
AD
J
1
VOUT
4
VIN
3
VOUT
2
C294
2.2u/10V
C294
2.2u/10V
C278
2.2u/10V
C278
2.2u/10V
L26
BLM18PG121SN1
L26
BLM18PG121SN1
R370
10R/2W
R370
10R/2W
R392
100R
R392
100R
C295
100n/16V
C295
100n/16V
C247
1n/50V
C247
1n/50V
C250
10u/25V
C250
10u/25V
C274
100u/16V/NC
C274
100u/16V/NC
C296
2.2u/10V
C296
2.2u/10V
R425
0R/NC
R425
0R/NC
C248
100n/16V
C248
100n/16V
R403
0R/NC
R403
0R/NC
C251
100n/16V
C251
100n/16V
C279
1n/50V
C279
1n/50V
C297
100n/16V
C297
100n/16V
C268
10u/16V
C268
10u/16V
C275
100u/16V/NC
C275
100u/16V/NC
L27
BLM18PG121SN1
L27
BLM18PG121SN1
R399
100R/NC
R399
100R/NC
R369
0R
R369
0R
R406
0R
R406
0R
C298
100u/16V
C298
100u/16V