Philips AS660C/41 - Page 32

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BLOCKDIAGRAM
TUNER BOARD
ECO 5 systems
, FM FM
V
Vdd Vec1 Vec2 ia |
A50kHzZ
Vstab4
AR
450kHz
VstabB
RADIO IC
TEA 5757T
7B-1
NT |/
| LF filter veo}
KI
dat
VstabB
Te
gnableag
P
Pl
4 31
CONTROL
programmable|
output ports}
Reference
Oscillator
(4 75kHz
Version
=
LLL] stores f'22
6
4
clock __,
data
enable 41a},
ECOS sys. 110905
CS 52175