SCL_5V
SDA_5V
SDA_5V
IF_TV
SCL_5V
RF-AGC
R217
100R
L118
4u7H/160mA
R204
1K
+
C193
33uF/10V
R222
1k
R208 100R
R205 330R
C199
22pF
SAW
ING
2
OUT1
4
GND
3
OUT2 5
IN
1
SAW100
K9656M
C196
220n
F
DGN
D
7
T
O
P
9
VIF
1
1
VIF
2
2
R
E
F
15
NC(5)/V
AGC(6)
16
DEEM
5
S
C
L
11
O
U
T
1
3
NC
13
A
U
D
_O
U
T
8
S
D
A
10
F
M
P
LL
4
TA
G
C
14
A
F
D
6
SIOMAD
12
C
V
B
S
17
AGND
18
V
P
LL
19
V
P
P
20
A
F
C
21
O
U
T
2
22
S
IF
1
23
S
IF
2
24
IC110
TDA9885(6)TS/V3
R214
*
C195
100nF/50V
R203
15K
R220
10k
R202
100K
+
C205
47uF/16V
C194
1.5nF
L119
4u7H/160mA
R210
4,7K
D105
BA591
R201
4K7
C213
1uF
L120
1.0uH/NC
R199
12K
C211
390pF
C192
0.1uF
C198
10nF
C208
10nF
R209 100R
C212
470nF
R219
5.6K
C201
0.1uF
C207
10nF
C197
470n
F
R200
1K
C204
47pF
SAW
ING
2
OUT1
4
GND
3
OUT2 5
IN
1
SAW101
K2982M (K3953M)
C203
47pF
+
C200
33uF/10V
R216
100R
+5V
5V-IF
+30V
+5V
READ is 0X87
WRITE is 0X86
Analog Tuner
RF-AGC
C202
47pF
TUNER GND CUTOUT
500mVrms
READ is 0XC1
WRITE is 0XC0
A
G
C
1
N
C
1
2
A
S
3
S
C
L
4
S
D
A
5
5V( 4MHz)
6
5V
7
N
C
2
8
3
3
V
9
N
C
3
10
IF
ou
t
11
G
N
D
12
G
N
D
13
G
N
D
14
G
N
D
15
TU100
ENV57K23G3F
+5V
R207
75R
R211
75
R212
2k2
T108
BC847B
R206
100
R215
75R
SC_CVBS_OUT
R218
2k2
1
3
2
T109
BC847B
R213
100
5V-IF
+5V
MONO_AUD
SC_LO
R221 100
R223
100
SC_RO
+
C216
47uF/16V
C220
1n
C221
1n
C219
1n
C206
NC
L121
0
C210
47p
C209
*
C222
100n
C215
100n
C214
20p
C217
330p
3u3H 0805
L122
C218
330p
CVBS2_INM
CVBS2_INP
SDA_5V
SCL_5V
T110
BC858B
SAW101
SAW100
BG/DK
I
BG/DK/I/L/L'
-
K2982M
-
J1956M
K9656M
K3953M
C223
100n
R112
10
C224
100n
R133
10
D106
4148_SOT23
TDA9885TS/V3 TDA9885TS/V3 TDA9886TS/V3
IC110
X100
4MHz
R122
100
R232
22k
T200
BC847B
R233
220k
GND
C234
10nF
R234
680k
3
2
5
3
4
2
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
(1)
TOP
14 (15)
VPLL
19 (21)
)
3
2
(
1
2
)
6
1
(
5
1
)
7
1
(
6
1
)
8
(
9
4 (2)
10 (9)
11 (10)
12 (11)
18 (20)
20 (22)
2 (31)
1 (30)
(18) 17
(7) 8
(3) 5
(4) 6
REF
AFC
AUD
CVBS
SIOMAD
SDA
DGND
SCL
MAD
VP
CAGC
(6, 12, 13, 14, 17,
19, 25, 28, 29, 32)
13
n.c.
AGND
7 (5)
OUTPUT
PORTS
I
2
C-BUS TRANSCEIVER
22 (24)
3 (1)
L
L
P
M
F
2
P
O
1
P
O
DEEM
AFD
VIF2
VIF1
24 (27)
23 (26)
SIF2
SIF1
TDA9885
TDA9886
(1) Not connected for TDA9885.
Hauptplatte / Main Board – Tuner
2
3
4
5
GR
UNDIG Ser
vice
Chassis L
W
2 -
