7A-1
7A-1
1
FM
Osc.
FM
Mixer
AM
Mixer
AM
Osc.
AM IF
IF1
IF2
FM
Det.
AM
Det.
3
39
37
33
RADIO IC
TEA 5757H
TUNER BOARD
ECO 6
Systems
10
18
11
14
15
24
right
right
left
left
stereo
VCO
41
40
36
19
32
44
25
Stereo
Decoder
AFC
AFC +
AFC -
4
4
AGC
Pre-
scaler
Multi-
plexer
Charge
pump
Stabilizer
CONTROL
Reference
Oscillator
29
28
27
clock
data
enable
P1
P0
31
30
programmable
output ports
V
Loop
V
Loop
V
Loop
V
Loop
V
Loop
2
6
5
43
C
D
450kHz
450kHz
450kHz
20
75kHz
V
Stab
A
V
Stab
B
V
Stab
B
V
Stab
A
V
Stab
B
10,7 MHz
10,7 MHz
35
9
Vdd Vcc1
7
23
V
Stab
A
V
Stab
B
38
34
22
Vcc2
8
ECO6 Systems, 140499
LF filter
RDS
(MPX)
RDS
(MPX)
stereo
clock
data
enable
Version
1120
1
8
FM
Frontend
AM
Frontend
AM-FRAME AERIAL
B
1103
1101
(1102)
A
FM
MPX
buffer ampl.
5
Discriminator
10,7 MHz
Vdd
Vcc1
Vcc
Vcc2
AM-RF
AM-Osc.
FM-Osc.
FM-RF
FM-IF 1
FM-IF 2
AM-IF 1
AM-IF 2
AM-AFC
3
2
BLOCK DIAGRAM
ECO6 Tuner Board
version:
SYSTEMS non-CENELEC
TABLE OF CONTENTS
Blockdiagram ..................................................................7A-1
Schematic Diagram .........................................................7A-2
Component Layout ..........................................................7A-3
Adjustment table .............................................................7A-3
Electrical Partslist ............................................................7A-4
Содержание MX5500D/21S
Страница 54: ...8239 210 93434 3139 113 3494pt4 dd wk0315 PART B 8 9 8 9 MAINS ECO STBY BOARD CHIP LAYOUT PART B ...
Страница 58: ...8239 210 93414 3139 113 3494pt4 dd wk0315 PART B 8 13 8 13 SUPPLY BOARD CHIP LAYOUT PART B ...
Страница 64: ...3104 213 3525 bl132 2 dd 19 11 02 PART B 8 19 8 19 AMPLIFIER BOARD BOTTOM VIEW PART B ...
Страница 66: ...3104 213 35254 bl132 1 dd 19 11 02 PART D 8 21 8 21 AMPLIFIER BOARD TOP VIEW PART D ...
Страница 77: ...BOTTOM VIEW PART A 9 8 9 8 PART A ...
Страница 78: ...BOTTOM VIEW PART B 9 9 9 9 PART B ...
Страница 79: ...9 10 9 10 BOTTOM VIEW PART C PART C 2 chip cap 4 7nF ...
Страница 80: ...9 11 9 11 BOTTOM VIEW PART D PART D ...
Страница 81: ...9 12 9 12 BOTTOM VIEW PART E PART E ...
Страница 82: ...9 13 9 13 BOTTOM VIEW PART F PART F ...
Страница 83: ...9 14 9 14 BOTTOM VIEW PART G PART G ...
Страница 84: ...9 15 9 15 BOTTOM VIEW PART H PART H ...
Страница 92: ...10 5 10 5 Exploded view 5DTC mechanic for orientation only ...
Страница 106: ...12 2 12 2 BOTTOM VIEW COMPONENT LAYOUT ...
Страница 107: ...12 3 12 3 TOP VIEW SMD COMPONENT LAYOUT PART A PART B ...
Страница 108: ...PART A 12 4 12 4 TOP VIEW SMD COMPONENT LAYOUT PART A ...
Страница 109: ...PART B 12 5 12 5 TOP VIEW SMD COMPONENT LAYOUT PART B ...
Страница 115: ...13 1 13 1 EXPLODED VIEW MAIN UNIT mx5500D Exploded view 3139 119 35120 dd wk315 ...