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CENELEC TUNER CIRCUIT
1
2
3
TUNER BOARD ECO6
/ SYSTEMS-CENELEC
USA
1101
A
YKD21
USA
2105
1130
3
100n
C-PAD
2
1
A
1110
YKD31-0432
1102
FM FRONTEND
1
1
MIXER
FM 75 OHM
0V
B
ANT
2
VCC
GND
3
4
6
5
9
2
C
LW only
D
0V
3108
0V
7104
BC337-40
0.7V
2K2
P01
LW =HIGH
MW/LW-RF
E
AM FRAME AERIAL
MW
5102
1103
8
7
2
*
6
1
4101
1
5
2
XH-S
4
3
7KL
*
F
B
LW
5103
3
4
2
1
6
8
7
G
VDD
VDD
8.3V
7.5V
H
P0
3125
8V
BC857B
P01
6.7V
7109
10K
3128
LW=HIGH
0V
7.4V
2K2
I
marked components not for LW version
LEGEND
* ... only assembled in FM/AM-version
EVM
V
p ...for provision only
USA ... for USA version only
LW ... for LW version only
1
2
3
11-11
4
5
6
FE450
3190
7
0V
120R
IF-OUT
0.1V
8
D
OSC-OUT
10
3194
2K2
3195
+FM
100R
C
3105
220R
6105-1
VCO
3142
2
1
7
HN1V02H
100K
1
5
6105
1
8
2
7
LW only
3
6
7105
BC337-40
4
5
HN1V02H
0.7V
0.1V
AM-OSCILLATOR
P0
MW
5123
4
3
2
6
1
8
7
LW
7122
5122
0V
4
3
BC847C
0V
0V
2
BC847C
0.7V
6
1
8
7
...V
FM mode stereo
...V
MW mode
...V
LW mode
voltages measured while
set is tuned to a strong
transmitter
4
5
6
7
8
9
AM-IF1
5111
450kHz
4
3
2
6
1
8
7
FM-IF1
3191
5109
120R
1
3
I
O
2128
G
2
10u
AM_FM
7101
TEA5762
44
43
42
41
40
39
38
2165
AM DET
100n
2V
2129
1
AM-IF
RIPPLE
AGC
FM
100u
AM
AM
IF1
0V
2
AM-RF
FRONTEND
MIXER
CTRL
3
FM-GND
AM
FM
AGC
AM
IF
IF2
OSC
4
RF-GND1
0.1V
5
FM-OSC
PRE-
MULTI-
SCALER
PLEXER
0V
6
AM-OSC
AGC
VSTABA
VSTABB
RIPPLE
VDD
7
VCC1
7.8V
VCC1
STABILIZER
8.2V
AGC
AM
1.6-8V
8
I-TUNE
DET
CHARGE
1-8V
PUMP
FM
1V
9
VCO
DET
1.3V
VCC2
3141
0.7V
10
AF-OUT
56K
3135
11
MPX-IN
STEREO
1.2V
1K
DECODER
5115
4
6
12
13
14
15
16
17
18
8
7
3
2
1
BIRDY FILTER
470n
2164
RDS only
VCC1
5119
4
3
3144
2169
MPX
1.3V
2
1K
2n2
to 1120
3176
pin 5
0.7V
BC857C
1
7103
6
33K
8
7
MPX
DISCRIMINATOR
BUFFER
AMPLIFIER
0V
0.7V
3137
P0
7124
0.1V
22K
MW=HIGH
7
8
9
11-11
10
11
12
VERSION PROGRAMMING COMPONENTS
VERSION
/00 /02 FM/MW/LW
2150
AM-IF2
/00 /02 FM/MW
100n
5112
450kHz
3
4
/01 FM/MW
2
1
6
/14 FM-OIRT/MW
FM-IF2
7
8
7P
5110
/17 FM/AM
3
1
O
I
AM-AFC
450kHz
5114
2
G
3
4
2
1
6
VERSION DETECTION
37
36
35
34
7P
7
8
6120
P1
1.2V
BAS216
0.7V
33
FM-IF2-IN
P1
AM-AFC
32
0V
1.4V
P0
31
7.5V
P1
7.5V
P0
30
AGC
0.1V
CONTROL
3161
29
WRITE-EN
0V
22K
3160
28
0V
DATA
470R
0V
3159
CLOCK
27
2166
3169
470R
26
DIG-GND
150K
1n
5121
2167
25
1.4V
XTAL
OSC
12p
DT-381
75
kHz
24
stereo 0.2V
MONO/
mono 4.8V
STEREO
23
VDD
3158
8.2V
AFC
VCC2
8.3V
470R
7.5V
VDD
from
19
20
21
22
MPX
2169
3168
3167
7.8V
VCC1
8.2V
120R
120R
8.2V
VCC2
11V
VCC2
12V
2
9.6V
7112
BC547C
8.2V
3155
VDD
8.3V
150R
7.5V
8.9V
8.9V
+FM
8.2V
AM_FM
from
7101/39
NOTE : ORIGINAL SCHEMATIC FROM ICAP VIENNA
PLEASE REFER TO 3103 308 6424
10
11
12
13
14
AM G13
5118 G9
FM G13
5119 G9
1101 A2
5121 E11
1102 B1
5122 H5
1103 E2
5123 G5
1110 B2
6105-1 E4
1130 A2
6105-2 G6
1131 C1
6106 D4
6120
3156
3157
3170
7111
1132 F13
6107 G13
2102 B2
6120 C13
A
2105 A2
7101 B8
2106 E3
7103 G8
2107 E4
7104 D2
2108 G3
7105 F4
2109 G3
7109 H3
2118 G6
7110 H12
2119 H6
7111 C13
2120 G6
7112 G12
2122 I6
7122 H4
2123 H6
7124 H7
2124 H6
TU_+12V F14
2125 H6
TU_CLK E14
B
2127 E7
TU_DATA E14
component mounted
2128 B8
TU_EN F14
2129 C7
TU_EN1 F14
2130 F11
TU_GND F14
2131 F8
TU_LEFT F14
2132 F8
TU_LEFT1 F14
2133 F8
TU_RIGHT F14
2134 I8
TU_ST E14
2135 I9
2136 H14
2137 H13
2138 F9
C
0.2V
2139 G9
2140 G9
7111
2141 F10
BC847C
2143 G12
2144 G11
2145 E11
2146 E12
2147 E12
2148 E12
2149 H7
2150 A10
2159 D5
D
2161 C11
2162 H12
152 kHz, 50mVpp
5V
2163 D11
2164 F10
2165 C7
2166 D12
0V
2167 E12
stereo
mono
stereo
2169 G8
2180 C4
3
2190 C3
2191 C3
stereo 0.4V
E
mono 4.8V
3105 D5
3108 D2
TU_ST
3109 G4
STEREO
3123 H3
TU_CLK
0V
CLOCK
3125 H2
TU_DATA
3128 H3
0V
DATA
3130 I8
TU_EN
TU_EN1
3131 I9
0V
ENABLE/MPX
3132 G4
TU_+12V
12Vtyp
VCC
3134 H6
(10-14V)
TU_RIGHT
3135 E7
RIGHT
3137 H7
F
TU_GND
3141 E7
GND
3142 E6
TU_LEFT
TU_LEFT1
LEFT
3143 G7
3144 G8
3154
3145 F8
330R
3146 G13
3150 H12
4
3151 H12
3152 G14
3153 G13
3154 F13
G
3155 G11
3156 C12
3157 C12
3158 E13
3159 D13
3160 D13
3161 D13
3167 F12
3168 F11
3169 D11
3170 C12
3171 G12
H
3172 G12
3176 G7
3180 I3
3190 B6
3191 B7
3192 B6
3193 B4
3194 C4
3195 C4
4101 E2
4102 F3
4104 H5
I
5102 E3
5103 F2
5109 B9
5110 B10
5111 A9
5112 A11
5114 B11
5115 F7
3139 118 55160 ...91660 dd wk203
13
14
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