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1
2
3
TUNER BOARD ECO6
/ SYSTEMS NON CENELEC
USA
1101
2105
USA
3
1130
100n
2
C-PAD
1
A
YKD21
A
FM 75 OHM
not USA
1102
2104
1
T102
100p
6103
2
B
BAV99
printed
1131
T103
C-PAD
C
D
E
AM-RF
6105-1
MW
AM FRAME AERIAL
1
5102
1103
8
7
7KL
HN1V02H
T105
2
6
1
F
T106
1
5
2
XH-S
4
3
B
G
H
1
2
3
7A-2
4
5
6
C
3105
T109
220R
FM-RF
0.6V
Q-multiplier
7102
BF550
0V
5131
printed
3102
100K
printed
FM-OSCILLATOR
VCO
3101
33K
1
2
T111
7
T110
5
AM-OSCILLATOR
3
6
6105
MW
5123
1
8
4
3
2
7
2
3
6
1
6
4
5
8
7
HN1V02H
4
5
6
LEGEND
p ...for provision only
USA ... for USA version only
E-EU ... for East European version only
J ... for Japanese version only
7
8
9
AM-IF1
5111
450kHz
3
4
2
T113
2150
6
1
100n
8
7
FM-IF1
T115
4103
5109
0R
1
3
I
O
2
G
J
7119
BFS20
IF-AMP.
7101
TEA5757H
J
TEA5759H
44
43
42
41
40
39
38
37
2165
100n
AM DET
2129
2V
AM-IF
1
RIPPLE
AGC
100u
FM
AM
AM
IF1
0V
2
AM-RF
FRONTEND
MIXER
CTRL
T128
3
FM-RF
AM
FM
AGC
AM
IF
IF2
OSC
4
RF-GND1
FM
D
FRONTEND
FM
AGC
5
FM-OSC
MIXER
0.1V
FM
CONTROL
OSC
PRE-
MULTI-
SCALER
PLEXER
0V
6
AM-OSC
AGC
RIPPLE
VSTABA
VSTABB
VDD
VCC1
7
VCC1
7.6V
7.8V
STABILIZER
AGC
AM
I-TUNE
1.6-8V
8
DET
CHARGE
1-8V
PUMP
3142
3141
FM
VCO
1V
9
DET
1.3V
VCC2
56K
100K
10
0.7V
AF-OUT
2127
11
MPX-IN
STEREO
AFC
220n
1.2V
DECODER
12
13
14
15
16
17
18
19
2164
470n
2
5119
4
3
RDS only
2
VCC1
1
6
8
7
MPX
3144
2169
DISCRIMINATOR
1.3V
1K
22n
to 1120
pin 5
0.7V
7103
BC857C
MPX
BUFFER
AMPLIFIER
7
8
9
...V
FM mode stereo
...V
MW mode
EVM
V
...V
LW mode
voltages measured while
set is tuned to a strong transmitter
7A-2
10
11
12
VERSION PROGRAMMING COMPONENTS
VERSION
6120
/00 /02 FM/MW/LW
/00 /02 FM/MW
/01 FM/MW
AM-IF2
450kHz
5112
/14 FM-OIRT/MW
3
4
/17 FM/AM
T114
2
/06 FM-Japan/AM
1
component mounted
6
7P
7
8
FM-IF2
5110
I
1
O
3
AM-AFC
5114
450kHz
VERSION DETECTION
G
2
3
4
6120
2
P1
BAS216
36
35
34
1
0.2V
6
7
8
7P
1.2V
7111
BC847C
0.7V
FM-IF2-IN
33
P1
0V
AM-AFC
32
1.4V
P0
31
P1
7.9V
P0
30
7.7V
0.1V
3161
WRITE-EN
29
0V
22K
3160
DATA
28
0V
470R
3159
27
CLOCK
0V
3169
2166
470R
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
3158
9.6V
VCC2
9.5V
470R
VDD
MPX
20
21
22
T140
3168
3167
from 2169
7.6V
VCC1
7.8V
120R
120R
VCC2
T117
11.1V
VCC2
11.1V
12V
7112
BC547C
9.6V
3155
T118
9.6V
VDD
10.4V
9.5V
220R
10
11
12
Signal path
FM
AM
MPX (Audio Frequency)
AF - left/right
13
14
1101 A1
1102 B1
1103 F2
1120 E14
1130 A2
1131 B2
1132 G13
2101 B3
2102 B1
2103 C7
2104 B3
2105 A2
2106 F3
3156
3157
3170
7111
2107 F4
2119 H6
A
2120 G6
2124 H6
2125 H6
2126 F7
2127 E7
2128 C8
2129 C7
2130 F11
2131 G8
2132 G8
2133 G8
2134 H8
2135 H9
2136 G14
B
2137 G13
2138 F9
2139 G9
2140 G9
2141 F10
2143 G12
2144 G11
2145 F12
2146 E12
2147 E12
2148 E12
2149 H7
2150 A10
C
2152 E4
2153 E5
2154 D5
2155 D5
2159 F6
2161 C11
2163 D11
2164 F10
2165 C7
2166 E11
2167 E11
2169 H8
3101 E4
3102 D4
D
3103 C6
3104 A7
3105 B6
3132 G5
3134 H6
3141 E7
3142 E7
3143 G7
152kHz, 50mV pp
5V
3144 H7
3145 F8
3146 G13
3152 G14
0V
3153 G13
stereo
mono
stereo
3154 G13
E
3155 G11
3
3156 C12
stereo 0.4V
3157 C12
mono 4.8V
3158 E13
1120
3159 D13
T123
8
3160 D12
STEREO
3161 D13
T122
0V
3167 F12
CLOCK
7
3168 F11
0V
T121
DATA
6
3169 E11
3170 C12
T120
0V
ENABLE/MPX
5
3172 G12
3176 G7
T127
12Vtyp
VCC
F
4
3181 E6
(10-14V)
5102 F2
T126
RIGHT
3
5109 B9
T125
5110 B10
2
GND
5111 A8
5112 A11
LEFT
1
5114 B11
3154
5119 G9
5121 E11
FE-BT-VK-N
5123 G5
330R
5130 E5
T124
5131 C6
4
6103 B2
6105-1 F3
G
6105-2 G5
6106 C3
6107 G13
6120 C13
6130 E5
6131 D5
7101 C8
7102 C6
7103 H7
7111 C13
7112 G12
T102 B2
T103 B2
H
T105 F2
T106 F2
T109 B6
T110 F5
T111 F4
T112 F7
T113 A8
T114 B10
T115 A8
T116 F10
T117 G13
T118 G11
ECO6 Sys-non Cenelec, 000911
T120 F13
T121 F13
T122 F13
13
14
T123 E13
T124 G14
T125 F14
T126 F13
T127 F13
T128 D7
T140 F11
T141 F10
T142 F10
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