Advertisement
BLOCK DIAGRAM TUNER ECO5
TUNER BOARD
ECO 5
systems
FM-RF
V
1101
Loop
(1102)
A
FM
3
43
FM
frontend
FM-Osc.
5
V
Loop
AM-Osc.
6
V
AM-FRAME AERIAL
Loop
1103
AM-RF
2
AM
Frontend
C
V
Loop
B
1
8
V
Loop
38
V
A
Stab
34
V
B
Stab
7B-3
V
A
V
B
Stab
Stab
10,7 MHz
10,7 MHz
39
37
35
33
FM
IF1
Mixer
RADIO IC
FM
Pre-
Osc.
scaler
TEA 5757T
Multi-
plexer
AM
Osc.
AM IF
AM
AM
Mixer
Det.
AGC
Charge
pump
23
7
22
40
41
36
44
Vdd Vcc1
Vcc2
450kHz
450kHz
V
A
V
B
Stab
Stab
buffer ampl.
Discriminator
5
RDS
(MPX)
VCO
LF filter
10,7 MHz
18
10
11
9
right
FM
Stereo
left
IF2
Decoder
Det.
stereo
clock
data
enable
CONTROL
P1
programmable
P0
output ports
AFC
Reference
Oscillator
32
19
20
25
75kHz
450kHz
2
V
B
Stab
7B-3
Vcc1
Vdd
Vcc2
1124
Vcc
4
4
right
15
4
14
left
1
Version
24
3
1126
1121
stereo
4
6
27
clock
28
data
29
enable
1
RDS
(MPX)
1
31
30
MW/LW
AM-RF,
AM-Osc.
ECO5 sys., 240698
Advertisement
