Philips FW-D5 - Tuner Board Eco5

7B-1 7B-1 7B-1
CS 52 930
1
FM
frontend
AM
Frontend
FM
Osc.
FM
Mixer
AM
Mixer
AM
Osc.
AM IF
IF1
IF2
FM
Det.
AM
Det.
2
3393733
FM
RADIO IC
TEA 5757T
TUNER BOARD
ECO 5
systems
1101
(1102)
LF filter
1018 11
15
14
24
left
left
buffer ampl.
RDS
(MPX)
RDS
(MPX)
right
right
stereo
VCO
4140 36 193244 25
Stereo
Decoder
1124
Vcc1
Vdd
Vcc2
AFC
AFC + AFC -
4
4
AGC
Pre-
scaler
Multi-
plexer
Charge
pump
CONTROL
AM-FRAME AERIAL
Reference
Oscillator
1126
1
4
1
4 6
1
stereo
27
28
29
clock
data
enable
clock
data
enable
Version
P1
P0
MW/LW
31
30
programmable
output ports
AM-RF,
AM-Osc.
3
5
1121
V
Loop
V
Loop
V
Loop
V
Loop
V
Loop
2
6
5
43
1103
B
C
450kHz450kHz450kHz
20
75kHz
V
Stab
AV
Stab
BV
Stab
B
V
Stab
A V
Stab
B
10,7 MHz 10,7 MHz
35 9
Vcc
Vdd Vcc1
723
V
Stab
A
V
Stab
B
38
34
22
Vcc2
8
ECO5 sys., 240698
A
AM-RF
AM-Osc.
FM-Osc.
FM-RF
Discriminator
10,7 MHz
TABLE OF CONTENTS
Blockdiagram ..................................................................7B-1
Adjustmant table .............................................................7B-2
Component layout...........................................................7B-2
Circuit diagram................................................................7B-3
Partslist ...........................................................................7B-4
TUNER BOARD ECO5
BLOCKDIAGRAM
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