Grundig Vision 4 32-4806 T - Layout of PCBs and Circuit Diagrams - Tuner (Continued); TDA9885;TDA9886 IC Diagram

GRUNDIG Service Chassis SE
2 - 10
SIOMAD
SIF2
OUT2
AIFN VIF2
SDA-01
REF
VIF1
DEEM
AFD VPPL -01
NC5_VAGC6
SCL-01
Q1-01
F6-02
F6-01
FMPLL
TAGC
SIF1
Q2-01
RFAGC3
AIFP
C308
10n
R322 100R
X300
4MHz XTAL
Option
D300
BA591
2
3
4
51
F300
K9656M
C313
10n
R321 100R
C307
220n
C314
470n
C317
390p
R312
100R
R311
4K7
R315
220R
C305
470n
C316
10n
DGND
7
TOP
9
VIF1
1
VIF2
2
REF
15
NC(5)/VAGC(6)
16
DEEM
5
SC L
11
OUT1
3
NC
13
AUD_OUT
8
SDA
10
FMPLL
4
TAGC
14
AFD
6
SIOMAD
12
CVBS
17
AGND
18
VPLL
19
VPP
20
AFC
21
OUT2
22
SIF1
23
SIF2
24
IC300
TDA9885
C310
220u/16V
C309
100n
R308
2K2
R304
NC/12K
C306
10u/16V
C318
100n
C300
22p
R313
75R %1
2
3
4
51
F301
K3958M
C304
1n5
R320
5K6
R309
330R
T304
BC847B
R310
100K
T303
BC848B
C301
NC/100p
C303
10n
R303
2K2
R302
6K8
AIFP
AIFN
5V-VIF
VCC3.3V-ST
5V-VIF
L300
4u7
C311
10u
L301
1u
VCC5V
R318
0R
R317
NC
L302
1u
REF4MHZ
R319
47R
C315
100n
R316
75R %1
R314
47R
TV_CVBS-
TV_CVBS+
R305
12K*
5V-VIF
CAN Tuner için
TV_CVBS+
TV_CVBS-
SIF
I2C-SCL-Tuner
I2C-SDA-Tuner
C312
100n
RFAGC3
R306
10K
D301
4148
C328
1u
R336
100K
5V-VIF
I2C-SCL-Tuner
I2C-SDA-Tuner
C330
NC
C331
NC
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
C
AGC(neg)
C
BL
VAGC
TOP
14
VPLL
19
12 51619
410
11
12 1820
2
1
17
8
5
6
REF AFC
AUD
CVBS
SIOMADSDASCL
MAD
V
P
C
AGC
13
n.c.AGND
7
DGND
OUTPUT
PORTS
I
2
C-BUS TRANSCEIVER
22
3
LL
P
M
F
2PO1PO
DEEM
AFD
VIF2
VIF1
24
23
SIF2
SIF1
TDA9885
TDA9886
5 6
6
5
9
8
9
8
Tuner
Vorabversion
Preliminary Version