Philips 37PFL7603D/10 - Diagram B03 A, TDA9898 HL (IC 7 T57)

Circuit Descriptions, Abbreviation List, and IC Data Sheets
EN 141Q528.2E LB 9.
9.5.2 Diagram B03A, TDA9898HL (IC 7T57)
Figure 9-8 Internal block diagram and pin configuration
Block Diagram
Pin Configuration
H_16800_029.eps
111007
A
B
C
D
E
F
G
H
TDA9897
I
2
C-BUS
SIF AGC
PEAK
AGC
TUNER
VIF PLL
AND
ACQUISITION
HELP
VIF
AFC
NYQUIST
FILTER
sideband
I
Q
VIF AGC
AM average
23
36
A
GCDIN
IF3A
IF3B
SDA
3
4
IF2A
IF2B
9
10
2, 5, 18, 37
1NYSFLFIVFL2POT
3111
i.c.
TAGC
45
47
IF1A
IF1B
6
7
FM peak
24
SCL
14
i.c.
SYNTHESIZER
AND VCO
SYNTHESIZER
AND VCO
standard
1
LFSYN2
25
ADRSEL
32
BVS
22
GNDD
38
SIDEBAND
FILTER
sideband
Q
I
SOUND
CARRIER
TRAP
trap reference
GROUP
DELAY
EQUALIZER
DECODER
I
2
C-BUS
TOPNEG
n.c.
optional tuner
AGC TOP for
IF based tuner
AGC and
radio signal
strength detector
onset
CTAGC
8
I
2
C-BUS TOP2
AND RSSI
RSSI
DETECTOR
AND
IF BASED
TUNER
AGC
GND
48
A
B
C
D
E
F
G
H
TDA9897
FM CARRIER AGC
FM
VIF AGC
port
I
2
C-bus
AM
AM DEMODULATOR
AND
FM NARROW-BAND PLL
LFFM
19
4 MHz FREQUENCY
REFERENCE
46 39
SUPPLY
BP on/off
OUTPUT
SWITCH
FM SWITCH
AM
26
27
21
43, 44
V
P
33
12
40, 41 15
+3 dB
GNDA EXTFILO
FM
AMPLIFIER
BAND-PASS
FILTER
20
34
28
31
16
29
OUT2A
OUT2B
OUT1A
OUT1B
EXTFMI
MPP2
CVBS
MPP1
CAF2
CDEEM
CAF1
AUD
30
17
EXTFILI
4 MHz reference
input
R
(2)
R
(2)
OPTXTALFREF
EXTERNAL SOUND
BAND-PASS FILTER
(1)
SIF AGC
TAGC
FM AGC
AFC
35, 42
n.c.
TDA9897HL
TDA9898HL
NIDCGA2NYSFL
.c.n.c.n
2FACA3FI
SBVCB3FI
CIFAGC
(1)
BVS
DUAA1FI
B2TUOB1FI
A2TUOCGATC
1FACA2FI
B1TUOB2FI
A1TUO2POT
LESRDA1PPM
DNGFIVFL
CGAT.c
.
i
FERFOLIFTXE
.c
.
i
2PPM
VILI
F
TXE
P
V.c
.
n
P
.c.nMFFL
ADNGMEE
DC
ADNGIM
F
TXE
LA
TX
T
P
OD
D
N
G
SDA
SCL
LFSYN1 n.c.
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
13 14 15 16 17 18
19
20 21 22 23
48
47 46 45 44 43
42
41 40 39 38 37
24