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Chassis – Tuner
TU301
ENV57K23G3F
GND
4 5
TU100
AnalogTuner
DTT75412
4 5
L110
NR3015T1RON
L102
+5V
(33uH)
R140
C113
C112
(0R)
220uF/16V
100nF
T100
GND
BC807-40
R110 10R
GND
L103
60R/100Mhz
R113 10R
R721
C115
3.3K
1uF
R722
51K
C116
1nF
T101
GND
R115
BC858B
1K
R719
1K
T102
2N7002
1
ANTPOWER
ANTPOWER: L- OFF, H- ON
GND
GND
4
5
GND
GND
TU101
NXP
4 5
Hybrid Tuner
R106
IF_TV
0R
4MHz
IFD1
C108
22pF
IFD2
IFAGC
1K
C151
R136
(220uF/16V)
1
R155
0R
C149
R150
0R
10nF
GND
R151
0R
Only For Analog (TU301)
GND
14
12
SDA_5V
X
X0
R111
13
SDAT
100R
X1
15
R112 100R
Y
R114 1K
2
SCL_5V
Y0
4
1
SCLT
Z
Y1
C118
C117
16
5
RF_AGC_A
47pF
VCC5V
VDD
Z0
47pF
3
Z1
C120
R118
100nF
8
11
VSS
A
7
10
10K
VEE
B
6
9
GND
EN
C
A/D: L- Analog, H- Digital
PROT1
IC100
GND
MC14053BDTR2
R720
1K
For Analog/Digital Hybrid Tuner (TU100/TU101)
8
9
R137
2.2K
11
R152
0R
IF_TV
T103
BC848B
9
R153
1K
+33V
R154
6
0R
7
A
R103
Only For Analog (TU301)
6.8K
GND
8
2
IN
SAW
D101
BA591
C107
IF_TV
3
ING
R108
10nF
SAW101
2.2K
K9656L
GND
GND
BG/DK
I
5
SAW100
-
-
SAW101
K2982M
J1956M
4
IC101
TDA9885TS/V3 TDA9885TS/V3 TDA9886TS/V3
SAW100
2
IN
OUT2
SAW
VCC5V
A/D
R116
L104
NC
1uH
3
ING
OUT1
K3958L
GND
TOP
TUNER AGC
2 (31)
VIF2
1 (30)
VIF1
0
24 (27)
SIF2
23 (26)
SIF1
SUPPLY
20 (22)
V P
+5V
L100
4.7uH
C101
C100
220uF/16V
100nF
R101
22k
R138
GND
A
220k
C150
R139
10nF
680k
GND
C102
R105
1.5nF
330R
X101
4MHz
C106
OUT2
7
470nF
C104
R141
220nF
0R/IDTV
9
GND
C152
22pF
GND
8
OUT1
R107 1K
R109
1K
BG/DK/I/L/L'
GND
K9656M
K3953M
IC101
TDA9885(6)TS/V3
7
8
R120
100R
R189
10K
R119
C119
100R
10nF
R121
C121
5.6K
390pF
C122
C123
10nF
470nF
GND
GND
TAGC
VAGC
(1)
VPLL
(1) Not connected for TDA9885.
9
(
) 8
14 (15)
1
6
1 (
) 7
19 (21)
C AGC(neg)
C BL
VIF-AGC
RC VCO
DIGITAL VCO CONTROL
VIF-PLL
TDA9885
TDA9886
SINGLE REFERENCE QSS MIXER
INTERCARRIER MIXER
AND AM DEMODULATOR
MAD
OUTPUT
2
SIF-AGC
I
C-BUS TRANSCEIVER
PORTS
C AGC
(6, 12, 13, 14, 17,
19, 25, 28, 29, 32)
18 (20)
13
3 (1)
22 (24)
11 (10)
10 (9)
7 (5)
AGND
n.c.
O
P
1
O
P
2
SCL
SDA
DGND
SIOMAD
R100
12K
R102
RF_AGC_A
1K
D100
SOT23
C103
R104
33uF/10V
100K
GND
C105
NC
C109
L101
CVBS1_TP
0R
100nF
C111
C110
NC
NC
C114
CVBS1_TM
100nF
GND
GND
4
SCL_5V
SCL_5V
SDA_5V
SDA_5V
5
MONO_AUD
10
REF
AFC
1
5
1 (
) 6
2
1
2 (
) 3
AFC DETECTOR
SOUND CARRIER
(18) 17
TRAPS
CVBS
4.5 to 6.5 MHz
(7) 8
AUD
AUDIO PROCESSING
(3) 5
AND SWITCHES
DEEM
(4) 6
AFD
NARROW-BAND
FM-PLL DEMODULATOR
12 (11)
4 (2)
F
M
P
L
L
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