Ic Data Sheets; Pin Configuration - Philips 32PFL3403D/85 Service Manual

Circuit Descriptions, Abbreviation List, and IC Data Sheets

9.11 IC Data Sheets

This section shows the internal block diagrams and pin layouts
of ICs that are drawn as "black boxes" in the electrical diagrams
(with the exception of "memory" and "logic" ICs).
9.11.1 Diagram B2, Type TDA9886T (IC7201), Demodulator
Block Diagram
TOP TAGC
9 14
C
AGC neg
TUNER AGC
VIF-AGC
VIF2
2
VIF1 1
24
SIF2
SIF1 23
SUPPLY
20 18
V AGND
P
(1) Not connected for TDA9885.

Pin Configuration

VIF-PLL
filter
C
VAGC pos
(1)
VAGC VPLL
16 19
C
BL
RC VCO
VIF-PLL
SINGLE REFERENCE QSS MIXER/
INTERCARRIER MIXER AND
AM-DEMODULATOR
MAD
OUTPUT
2
SIF-AGC I C-BUS TRANSCEIVER
PORTS
C
AGC
13 3 22 11
n.c. O P 1 O P 2 S
VIF1 1
VIF2 2
OP1 3
FMPLL 4
DEEM 5
AFD 6
TDA9885TS
TDA9886TS
DGND 7
AUD 8
TOP 9
SDA 10
SCL 11
SIOMAD 12
Figure 9-12 Internal block diagram and pin configuration
external
reference
crystal
4 MHz
or
REF
15
DIGITAL VCO CONTROL
AFC DETECTOR
VIDEO TRAPS
4.5 to 6.5 MHz
TDA9885
TDA9886
NARROW-BAND FM-PLL
DETECTOR
10 7 12
C L S D A D G N D I S O M A D
sound intercarrier output
and MAD select
24 SIF2
23 SIF1
22 OP2
21 AFC
20 V P
19 VPLL
18
AGND
17 CVBS
(1)
16 VAGC
15 REF
TAGC
14
13 n.c.
LC8.1U LA
AFC
21
CVBS
17
video output 2 V (p-p)
[1.1 V (p-p) without trap]
8 AUD
AUDIO PROCESSING
DEEM
5
AND SWITCHES
de-emphasis
network
6 AFD
C
AF
4
F M P L L
FM-PLL filter
9. EN 91
G_16510_059.eps
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