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NON-CENELEC TUNER CIRCUIT
1
2
3
TUNER BOARD ECO6
/ SYSTEMS NON CENELEC
USA
1101
2105 USA
1130
3
100n
C-PAD
2
A
1
YKD21
A
not_USA
1102
YKD31-0432
2104
1
100p
6103
B
2
FM 75 OHM
BAV99
1131
C-PAD
C
D
E
AM-RF
6105-1
MW
AM FRAME AERIAL
1103
5102
8
7
7KL
HN1V02H
F
2
6
1
5
2
1
XH-S
4
3
B
G
H
LEGEND
...V
* ... only assembled in FM/AM-version
p ...for provision only
...V
V
EVM
USA ... for USA version only
E_EU ... for East European version only
voltages measured while
J ... Japan version only
set is tuned to a strong
transmitter
1
2
3
11-9
4
5
6
C
3105
AM-RF
220R
Q-multiplier
5131
3102
100K
FM-OSCILLATOR
3101
33K
1
2
1
7
AM-OSCILLATOR
5
6
6105
MW
5
5123
1
8
4
3
2
7
2
3
6
6
1
4
5
8
7
HN1V02H
FM mode stereo
MW mode
4
5
6
7
8
9
AM-IF1
5111
450kHz
4
3
2
1
6
FM-IF1
8
7
5109
4103
1
J
I
O
7119
G
2
BFS20
2128
10u
7101
TEA5757H
44
43
42
41
40
39
2165
0.6V
100n
AM DET
2129
2V
7102
AM-IF
1
RIPPLE
BF550
100u
AGC
AM
AM
0V
2
AM-RF
0V
FRONTEND
MIXER
CTRL
3
FM-RF
AM
AGC
AM
IF
OSC
4
RF-GND1
FM
D
FRONTEND
FM
MIXER
0.1V
5
FM-OSC
FM
OSC
PRE-
MULTI-
SCALER
PLEXER
0V
6
AM-OSC
AGC
RIPPLE
VSTABA
VSTABB
VCC1
VDD
7
VCC1
7.6V
STABILIZER
7.8V
AGC
AM
8
I-TUNE
DET
1.6-8V
CHARGE
1-8V
PUMP
FM
9
VCO
1V
DET
1.3V
VCC2
AF-OUT
0.7V
10
VCO
11
MPX-IN
STEREO
3142
1.2V
DECODER
3141
56K
100K
12
13
14
15
16
17
18
2127
220n
RDS only
DISCRIMINATOR
5119
VCC1
4
3
2
1
c10
MPX
6
3144
2169
1.3V
8
7
1K
2n2
to 1120
pin 5
0.7V
7103
BC857C
MPX
BUFFER
AMPLIFIER
ORIGINAL SCHEMATIC FROM ICAP VIENNA
REFER TO 3103 308 6426
7
8
9
11-9
10
11
12
VERSION PROGRAMMING COMPONETS
VERSION
2150
/00 /02 FM/MW/LW
AM-IF2
100n
/00 /02 FM/MW
5112
450kHz
/01 FM/MW
3
4
/14 FM-OIRT/MW
3
2
/17 FM/AM
1
6
/06 FM-Japan/AM
7P
7
8
FM-IF2
5110
1
3
I
O
AM-AFC
5114
450kHz
VERSION DETECTION
G
2
3
4
P1
2
38
37
36
35
34
1
6
7
8
7P
1.2V
0.7V
FM-IF2-IN
33
P1
FM
IF1
AM-AFC
32
1.4V
P0
FM
P1
31
7.9V
IF2
P0
30
7.7V
0.1V
AGC
WRITE-EN
29
CONTROL
0V
3160
DATA
28
0V
470R
0V
CLOCK
27
3169
2166
DIG-GND
26
150K
1n
5121
2167
25
1.4V
XTAL
OSC
12p
DT-381
75K
kHz
24
stereo 0.2V
MONO/
STEREO
mono 4.8V
23
VDD
AFC
VCC2
9.5V
VDD
19
20
21
22
from 2169
3168
3167
7.6V
VCC1
120R
7.8V
120R
VCC2
2164
11.1V
470n
VCC2
11.1V
12V
2
7112
BC547B
9.6V
3155
9.6V
VDD
9.5V
220R
10.4V
10
11
12
13
14
c1 E14
c2 F14
c3 F14
c4 F14
c5 F14
c6 F14
c8 F14
c9 F14
c10 H8
c11 F14
c12 F14
1101 A1
A
1102 B1
6120
3156
3157
3170
7111
1103 F2
1130 A2
1131 B2
1132 G13
2101 B3
2102 B1
2103 C7
2104 B3
2105 A2
2106 F3
2107 F4
B
component mounted
2112 B9
2119 H6
2120 G6
2124 H6
2125 H6
2126 F7
2127 F7
6120
2128 B8
2129 C7
BAS216
2130 F11
0.2V
2131 G8
2132 G8
C
7111
2133 G8
BC847C
2134 H8
2135 H9
0V
2136 G14
2137 G13
2138 F9
2139 G9
2140 G9
2141 F10
2143 G12
2144 G11
D
2145 F12
3161
2146 E12
2147 E12
22K
2148 E12
2149 H7
2150 A10
152 kHz, 50mVpp
3159
5V
2152 E4
2153 E5
470R
2154 D5
2155 D6
2159 F6
0V
2161 C11
stereo
mono
stereo
E
2163 D11
2164 F10
3
stereo 0.4V
2165 C7
mono 4.8V
2166 E12
2167 E12
3158
c1
STEREO
2169 H8
c2
3101 E4
470R
0V
CLOCK
3102 D4
c3
0V
3103 C6
DATA
3104 A7
c4
0V
MPX
ENABLE/MPX
3105 B6
c5
3113 B9
F
12Vtyp
VCC
3119 A9
(10-14V)
c6
RIGHT
3132 G5
3134 H6
c12
c8
GND
3141 F7
c11
c9
3142 E7
LEFT
3143 G7
3154
3144 H8
3145 F8
330R
3146 G13
3152 G14
4
3153 G13
G
3154 G13
3155 G11
3156 C12
3157 C12
3158 E13
3159 D13
3160 D12
3161 D13
3167 F12
3168 F11
3169 E11
3170 C12
H
3172 G12
3176 G7
3181 E6
4103 A9
5102 F2
5109 A9
5110 B10
5111 A8
5112 A11
5114 B11
3139 118 55160 ...91060 dd wk203
13
14
5119 G9
5121 E11
5123 G5
5130 E5
5131 C6
6103 B2
6105-1 F3
6105-2 G6
6106 C3
6107 G13
6120 C13
6130 E5
6131 D5
7101 C8
7102 C6
7103 H7
7111 C13
7112 G12
7119 B9
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