GR
UNDIG Ser
vice
Chassis SG
2 -
SDA_TUNER
SCL_TUNER
AGC_AN
A
S
SCL_TUNER
SDA_TUNER
IF
_
A
G
C
SIF_OUT
S
D
A
_
T
S
C
L
_
T
A
S
S
D
A
_
T
S
C
L
_
T
R
F
A
G
C
_
H
Y
B
R
IF
_
A
N
IF
_
A
N
IF
_
D
-
IF
_
D
+
AS
SCL_T
SDA_T
IF_AGC
PORT
PORT
SIF_OUT
IF
_
A
N
SDA_COFDM
SCL_COFDM
SCL5V
SDA5V
SCL5V
SDA5V
SCL5V
SDA5V
RFAGC
AGC_AN
RFAGC
RFAGC_HYBR
R
F
A
G
C
_
H
Y
B
R
AN/DIG
AN/DIG
SCL5V
SCL_TUNER
SDA_TUNER
SDA5V
RFAGC
RFAGC_HYBR
SIF_M
SIF_P
SCL_MAIN
SDA_MAIN
ANTPOWER
AUMONO
CVBS_RF
5V_SW
5V_SW
5V_SW
5V_SW
5V_IF
3V3_SW
5V_SW
33V
5V_TUNER
5V_TUNER
5V_TUNER
5V_IFDEMOD
5V_IFDEMOD
5V_IF
5V_IFDEMOD
5V_IFDEMOD
5V_IFDEMOD
5V_IF
5V_SW
5V_SW
5V_IF
On digital mode only COFDM accesses tuner
the AN/DIG signal is 0V
On analog mode COFDM sleeps,
AN/DIG is 3v3
THOMPSON Tuner Option
R604
15R/603
C645 390pF/50V
R603
15R/603
R639
100k/603
R671
1k
Q606
BC847BL
C657
22pF
C651
100nF
Q605
2N7002/SOT
L607
NC(1uH/805_ALT)
R651
NC(820R)
TUN600
DTT75407
A
N
T
_
P
W
R
1
R
A
G
C
2
I2
C
A
S
3
S
C
L
4
S
D
A
5
G
P
O
6
V
C
C
7
IF
_
A
N
8
IF
_
A
G
C
9
IF
_
D
IG
1
1
0
IF
_
D
IG
2
11
12
13
14
15
C661
100nF/25V
C658
100nF
R673
10k
R642
100R
R
6
0
5
0
R
/6
0
3
L603
10uH/805
R
6
4
5
N
C
(8
2
0
R
)
R
6
5
2
N
C
(8
2
0
R
)
C666
10nF
C656 22pF
Y601
4MHz
C670
1nF/50V
R610
100R/603
R679
0R
R646
0R
R649
0R
R665
220k/603
R650
0R
Q600
BC857BL
R
6
5
8
0
R
/6
0
3
Q607
N
C
(B
C
8
4
7
B
L
)
C639
10nF
C672
47pF
R648
10k
R654
0R/603
C650 0R/CAP
R677
100R
U601
TDA9886TS
VIF1
1
VIF2
2
OP1
3
FMPLL
4
DEEM
5
AFD
6
DGND
7
AUD
8
TOP
9
SDA
10
SCL
11
SIOMAD
12
N.C.
13
TAGC
14
REF
15
VAGC
16
CVBS
17
AGND
18
VPLL
19
VP
20
AFC
21
OP2
22
SIF1
23
SIF2
24
R608
10k/603
C637
100uF/16V
SAW601
K3958D
IN
1
1
IN
2
2
GND
3
4
O
U
T
1
O
U
T
2
5
D600
BA591
R614 100R
C664
10uF/25V
R641
1k
C638
220nF/16V
Q601
BC857BL
C610
1uF/10V
Q604
2N7002/SOT
R678
100R
R
6
5
5
0
R
/6
0
3
R663
12k
SAW600
K9656M
IN1
1
IN2
2
G
N
D
3
4
OUT1
OUT2
5
R612
100R/603
C644
100nF/25V
R644
100R
R643
NC(10R/603)
R
6
0
6
0
R
/6
0
3
C659
100pF
C646 10nF
R666
680k/603
TA1318AF
TUN601
APW
1
RAG
2
CAS
3
SCL
4
SDA
5
GPO
6
VCC
7
IFA
8
IAG
9
IF2
10
IF1
11
G
N
D
1
5
G
N
D
1
4
G
N
D
1
3
G
N
D
1
2
C628
10nF/50V
C640 470nF/10V
R674
1k
R
6
5
7
0
R
/6
0
3
R647
10k
TU601
ENV57K23G3F
A
G
C
1
N
C
1
2
A
S
3
S
C
L
4
S
D
A
5
5
V
(4
M
H
z)
6
5
V
7
N
C
2
8
3
3
V
9
N
C
3
1
0
IF
o
u
t
11
G
N
D
1
1
2
G
N
D
2
1
3
G
N
D
3
1
4
G
N
D
4
1
5
C671
470uF/10V
R632
2.7k
C667
100nF
L608
600R Bead 0603
C
6
0
9
1
0
n
F
/5
0
V
U602
74HC4053
2Y1
1
2Y0
2
3Y1
3
3Z
4
3Y0
5
E
6
VEE
7
GND
8
S3
9
S2
10
S1
11
1Y0
12
1Y1
13
1Z
14
2Z
15
VCC
16
Q602
BC847BL
R667 5.6k/603
L610
600R Bead 0603
R628
100R
R636
22k
R
6
0
7
1
0
k/
6
0
3
R672
1k
C612
470uF/10V
R653
0R
R637
2.7k
R635
100R
C614
100nF/50V
R
6
5
9
0
R
/6
0
3
C647 10nF
C663 470nF/10V
R613
1k/603
R627
100R
R638 330R/603
R634
6.8k
C611
100nF/25V
L609
NC(1uH/805)
C665
47uF/16V
R
6
5
6
0
R
/6
0
3
R675
1k
C668
100nF
R676100R/603
C643 1.5nF/50V
C648
NC(100nF)
R629
NC(603)
DIGITAL VCO CONTROL
AFC DETECTOR
RC VCO
VIF-PLL
VIF-AGC
TUNER AGC
SUPPLY
SIF-AGC
AUDIO PROCESSING
AND SWITCHES
NARROW-BAND
FM-PLL DEMODULATOR
SINGLE REFERENCE QSS MIXER
INTERCARRIER MIXER
AND AM DEMODULATOR
SOUND CARRIER
TRAPS
4.5 to 6.5 MHz
TAGC
CAGC(neg)
CBL
VAGC
TOP
14
VPLL
19
1
2
5
1
6
1
9
4
10
11
12
18
20
2
1
17
8
5
6
REF
AFC
AUD
CVBS
SIOMAD
SDA
SCL
MAD
VP
CAGC
13
n.c.
AGND
7
DGND
OUTPUT
PORTS
I
2
C-BUS TRANSCEIVER
22
3
L
L
P
M
F
2
P
O
1
P
O
DEEM
AFD
VIF2
VIF1
24
23
SIF2
SIF1
TDA9885
TDA9886
74HC4053
LOGIC
LEVEL
CONVERSION
11
16
V
CC
13 1Y1
S1
DECODER
12 1Y0
14 1Z
1 2Y1
2 2Y0
15 2Z
3 3Y1
5 3Y0
4 3Z
10
S2
9
8
7
GND
V
EE
S3
6
E
4
3
2
2
1
2
2
1
6
6
1
1
1
2
3
4
6
Chassis - Tuner
Vorabversion
Preliminary Version
