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TUNER BOARD ECO5 /
Systems
1
2
3
4
y
1101
A
T001
y
2
9128
FM
300 OHM
1
Service Solution for
A
FM 50 OHM
Local/DX - switching
B
x
remove
1102
T002
1
9100
2105
6101
2
100p
BA484
T003
C
MW/LW-RF
P0
AM FRAME AERIAL
D
1103
T005
2
T006
1
5102
MW
6
2
E
5
w
3108
w
LW=high
7104
2k2
1
BC338-40
3
4
B
LW
F
P0
w
w
5103
7105
4
3
BC338-40
2
MW=high
6
1
G
H
I
J
K
L
M
N
1
2
3
4
7B-4
5
6
7
8
9
2104
100p
100p
(if 1102 is used)
C
47p
(if 1101 is used)
3105
T009
9101
to 3103
220R
REF
REF
FM-RF
2129
100u
Q-MULTIPLIER
7102
2SA838B
5131
F
6105
2
1
7
3101
HN1V02H
33k
MW
s_5k6
FM-OSCILLATOR
3110
47R
VCO
3142
100k
1
5
7103
BC858C
r
3176
1k
T011
3132
4108
Vdd
Vdd
47R
w
7109
w
3125
10k
P0
w
BC858B
w
3128
7122
LW=high
2k2
BC848C
5
6
7
8
9
10
11
12
13
AM-IF1
5111
T046
4
3
450 kHz
6
1
z
5113
2
T013
FM-IF1
SFU450B
x
4104
5109
t
3104
7119
180R
2SC1047
0.15V
0.7V
1.4V
1.4V
1V
1.4V
0.7V
0.7V
44
43
42
41
40
39
38
37
AM Det.
RF-GND
V
A
STAB
2165
T043
1
2.1V
Ripple
AM IF
100n
AGC
FM
AM
AM
IF1
2
0V
AM-RF
Frontend
MIXER
AM
CONTROL
IF
AGC
0V
3
FM-RF
AM
FM
OSC
IF2
FM
4
Frontend
RF-GND
FM
MIXER
5
0V
FM-OSC.
FM
OSC
Pre-
Multi-
scaler
plexer
AGC
6
AM
0V
AM-OSC.
DET
V
A
V
B
STAB
STAB
Ripple
T040
Vcc1
7
FM
8V
Vcc1
STABILIZER
V
dd
DET
Vcc2
8
I-TUNE
Charge
Pump
3141
1.3V
TEA5757
9
VCO
7101
56k
z_TEA5759
1V
T012
10
0.7V
AF-Out
Mono/
STEREO
Stereo
2127
AFC
11
1.2V
MPX-IN
DECODER
220n
IF GND
12
0.8V
13
0.7V
14
0.7V
15
0.7V
16
1V
17
18
1V
19
1.2V
0.1V
(2140)
2164
5119
470n
4
3
Vcc1
2
2
6
1
r
r
3144
3140 and 5120
1k
MPX
DISCRIMINATOR
to 1121
provisional as
buffer amplifier
alternative
AM-OSCILLATOR
MW
5123
4
3
2
u
9117
6
1
w
w
LW
5122
7124
4
3
BC848C
w
3137
2
22k
6
1
10
11
12
13
7B-4
14
15
16
17
AM-IF2
5112
3
4
450 kHz
/00 FM/MW/LW
E
1
6
/00 FM/MW/LW/SW-Eu
/01 FM/MW-Stereo
2
z
3175
AM-IF
/01 FM/MW
to 1130,1131
2k7
AM Stereo module
T014
/01 FM/MW/SW-Ov
/06 FM-Japan/MW-stereo
FM-IF2
5110
/13 FM/MW-Stereo
/14 FM-OIRT/MW/LW
T047
/14 FM-OIRT/MW
1.4V
0.7V
1.4V
36
35
34
/17 FM/AM-Stereo
/17 FM/AM
V
B
STAB
5114
33
0.7V
3
/.. FM/MW/2xSW
FM-IF2
AM-AFC
/15 FM/MW/SW-Eu
450 kHz
T015
32
1.4V
1
AM-AFC
T037
P1
31
P1
AGC
x
2161
Programmable
Output Ports
T032
100n
P0
30
P0
x
2163
100n
3161
29
Write
CONTROL
470R
Enable
3160
28
DATA
470R
3159
470R
27
CLOCK
26
Dig.GND
7111
5121
2167
BC848C
3156
XTAL
P1
25
12p
75KHz
100k
1.3V
OSC.
3169
2166
version detection
150k
1n
24
Mono/
stereo 0.3V
Stereo
mono 4.9V
3167
23
Vcc1
8V
Vdd
Vdd
220R
8V
Vcc2
3155
Vdd
T018
8V
470R
20
1.2V
21
2V
22
11V
z_100R
3171
3154
T045
330R
150R
z
7125
BC848C
z
3147
3M3
2140 exchanged by 2164
(SMD type 0805)
from layout stage 3317.9 onwards
respectively 3103 303 3380.1
and 3103 308 3396.1
2137
220n
r....for RDS version only
s...for East European version (/14/34) only
t....for Japanese version (/06/26) only
P0
6105
MW=high
Chip jumper
u...for 2-band (FM/AM) version only
1
8
v...for SW-version 3.9-12.1MHz only
2
7
w...for LW only
41..
3
6
x....not for all versions
4
5
y....for USA version (/17/37) only
z....for AM-STEREO (/06/13/26/33) versions only
HN1V02H
14
15
16
17
18
19
20
21
1101 A 1
1102 B 2
1103 D 2
1121 E20
VERSION PROGRAMMING COMPONENTS
1124 G20
1126 E20
1130 I20
A
6120
3156
3157
3170
remark
1131 I20
2101 C 6
x
-
-
-
7111
2102 G 7
not mounted
2103 D 9
-
-
-
-
2104 B 6
2106 F 5
-
-
x
-
SW
2107 G 6
2108 G 3
-
x
-
x
2109 G 3
2111 C13
-
x
-
-
2120 L11
B
2122 N11
-
-
-
x
2123 M11
2125 M11
2126 G 9
-
-
x
-
SW
2127 G10
2128 C11
x
-
x
x
2129 C 9
2130 H17
x
-
x
-
2131 I10
2132 I10
SW
-
-
x
-
C
2133 H11
2134 J17
x
-
-
x
2135 J18
2136 J17
-
-
x
x
2137 J18
2138 H12
-
x
x
x
2139 H13
2140 H14
x = component mounted
2141 H14
2142 H14
SW = Software initialisation
2143 I17
D
2144 H17
2145 G16
150kHz, 50mV pp
2146 F15
5V
2147 F16
2148 F16
2149 C15
r
1121
2150 B13
1
0V
2152 F 7
GND
stereo
mono
stereo
2153 E 8
2154 E 7
2
T020
MPX
MPX
2155 D 8
E
from 3144
1126
2158 M11
1
0.3V
3
2159 F 9
enable
2160 M12
2161 D16
T021
2
0.2V
4
2163 E16
data
2164 H14
3
T022
3
2165 C 9
5
clock
2166 G16
2167 F16
T023
4
stereo 0.5V
6
2168 I 13
stereo
F
3101 E 7
mono 4.9V
3102 E 7
3103 C 8
3104 B11
3105 C 7
3108 E 3
1124
3109 F 2
T024
1
left
3110 F 6
3113 C13
3119 B13
T025
2
GND
3120 C 6
4
G
3123 M 7
T026
3
3125 M 6
right
3128 M 8
3132 L 9
T027
4
(11 - 14V)
Vcc
3134 M12
3137 M13
typ. 12V
3140 I13
3141 G10
3142 G 9
3143 I10
3144 I10
H
3145 H10
3146 I17
3147 I15
3152 H18
z
1130
3153 H19
z
3154 H18
1131
3155 H17
T030
1
V+
3156 G17
3157 F17
T031
2
3158 F18
stereo
I
3159 F18
3160 E18
3
3161 E18
STSIG
3167 G18
3169 G15
Low=AM mono
4
VCO-kill
P0
3170 F17
3171 H15
x
T033
5
3175 B16
R-out
3176 J 9
x
3177 I18
2135
T034
6
L-out
3178 I15
J
3179 I16
220n
3180 M7
T035
7
L-FM
4101 G 5
4102 F 5
8
T036
4103 G 9
R-FM
4104 B13
4105 B11
9
4106 K12
P1
+FM
4108 L 9
5102 E 4
T038
10
GND
5103 F 4
K
5109 B13
T039
11
5110 B14
AM-IF
AM-IF
5111 A13
5112 A15
5113 B12
5114 C16
5119 I 12
5120 H13
5121 F15
5122 M11
L
5123 L11
5130 E 8
5131 D 8
Signal path
6103 C 2
6104 C 3
6105 K12
FM
6105 E 6
6106 C 6
AM
6107 H17
6120 G16
MPX (Audio Frequency)
6130 E 7
M
6131 D 7
AF - left/right
7101 G11
7102 D 8
7103 I 9
7104 E 3
.............
Vdc FM mode stereo
7105 F 2
7109 M 7
7111 F18
V
Vdc MW mode
7119 B13
V
EVM
7122 M 9
V
Vdc LW mode
7124 M13
N
7125 I16
9100 B 4
Voltages measured while set is tuned to a strong transmitter
9101 C 6
9117 L10
9128 A 4
ECO5 systems, discr.coil, 030998
18
19
20
21
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