Table of Contents
Advertisement
Chassis - Tuner
5V-VIF
R302
R303
6.8K
2.2K
C303
F6-01
10nF
D300
BA591
R308
F6-02
2.2K
T303
BC848B
8
8
AIFP
AIFP
R317
L302
NC
1uH
VIF2
VIF1
SIF2
SIF1
C300
REF4MHZ
220pF
F300
K9656M
1
5
SIF2
5V-VIF
2
4
SIF1
R336
100K
R311
Q1-01
OUT2
4.7K
C308
10nF
F301
K3958M
1
5
VIF1
2
4
VIF2
C313
C316
10nF
10nF
C317
R320
390pF
5.6K
TOP
TAGC
VAGC
VPLL
9
14
1
6
19
C AGC(neg)
C BL
TUNER AGC
VIF-AGC
RC VCO
DIGITAL VCO CONTROL
2
VIF-PLL
1
TDA9885
TDA9886
SINGLE REFERENCE QSS MIXER
24
INTERCARRIER MIXER
AND AM DEMODULATOR
23
MAD
OUTPUT
SUPPLY
SIF-AGC
I
2
C-BUS TRANSCEIVER
PORTS
C AGC
20
18
13
3
22
11
10
7
V P
AGND
n.c.
O
P
1
O
P
2
SCL
SDA
DGND
5V-VIF
R305
12K
R306
10K
TAGC
R309
330R
R310
100K
D301
C304
C305
4148
1.5nF
470nF
C307
220nF
IC300
TDA9885
9
9
C314
470nF
REF
AFC
C318
1
5
2
1
SIF
100nF
AFC DETECTOR
SOUND CARRIER
17
CVBS
TRAPS
4.5 to 6.5 MHz
8
AUD
AUDIO PROCESSING
5
DEEM
AND SWITCHES
6
AFD
NARROW-BAND
FM-PLL DEMODULATOR
12
4
SIOMAD
F
M
P
L
L
RFAGC3
RFAGC3
C306
47uF/16V
5V-VIF
L300
L301
4.7uH
1uH
C311
C309
10uF
100nF
C328
C310
1uF
220uF/16V
R312
Q2-01
T304
BC847B
100R
R313
R314
75R %1
47R
R316
R315
75R %1
1k
R319
47R
SCL-01
I2C-SCL-Tuner
R321
100R
SDA-01
I2C-SDA-Tuner
R322
100R
5V-VIF
R324
10R
R325
C321
820R
100nF
5
T305
BC847B
C323
R331
R329
SIF_E
820R
0R
100nF
R333
R334
2.2K
C325
820R
NC
VCC5V
C312
TV_CVBS+
TV_CVBS+
100nF
C315
TV_CVBS-
TV_CVBS-
100nF
6
I2C-SCL-Tuner
I2C-SDA-Tuner
5
6
C324
R330
SIF_IN+
SIF_IN+
47R
100nF
C326
R335
SIF_IN-
SIF_IN-
47R
100nF
Advertisement
Table of Contents
