MIXER
varicap
FM FRONTEND
GND
PRE-
SCALER
MULTI-
PLEXER
VSTABA
AM-IF
MONO/
XTAL
AGC
CONTROL
OSC
AM DET
AM
OSC
AGC
VCC2
AGC
PUMP
AM
MIXER
DECODER
CHARGE
FM
IF1
FRONTEND
AM
VSTABB
DET
FM
CONTROL
FILTER
AM
IF
AM
DET
STEREO
STEREO
FM
IF2
RIPPLE
AGC
STABILIZER
AFC
VDD
CTRL
AGC
9.6V
7.5V
7.4V
...V LW mode
LEGEND
transmitter
* ... only assembled in FM/AM-version
0.2V
0.1V
1.1V
1.4V
GND
RIGHT
ENABLE/MPX
DATA
CLOCK
T113 A9
T114 B11
T115 B9
T116 F10
T117 F13
T118 G11
T120 F13
T121 F13
T122 E13
T123 E13
T124 G14
T125 F14
T126 F13
T127 F13
T140 F11
T141 F10
T142 F10
8.3V
VCO
FM-IF2
D
3
USA ... for USA version only
LW ... for LW version only
component mounted
6105-2 G6
6106 D4
6107 G13
6120 C13
7101 C8
7103 H8
7104 D2
7105 F4
7109 H3
7110 H12
7111 C13
7112 G12
7122 H4
7124 H7
T102 B2
T103 C2
T104 B6
T105 E2
T106 E2
T107 C3
T109 D5
T110 D5
T111 E5
T112 F7
0.1V
...V MW mode
mono
7.5V
0V
0V
PROGR.
1V
1-8V
B
0.8V
AM-IF2
AM-IF1
7.8V
8.2V
STEREO
TUNER BOARD ECO6
4104 H5
5102 E3
5103 F2
5109 B9
5110 B10
5111 A9
5112 A11
5114 B11
5115 F7
5118 G9
5119 G9
5121 E11
5122 H5
5123 G5
6105-1 E4
0V
8.2V
7.5V
12V
to/from
0.7V
1.4V
1.1V
0V
VERSION
stereo 0.4V
p ...for provision only
1.2V
152 kHz, 50mVpp
stereo
3161 D13
3167 F12
3168 F11
3169 D11
3170 C12
3171 G12
3172 G12
3176 G7
3180 I3
3190 B6
3191 B7
3192 B6
3193 B4
3194 C4
3195 C4
4101 E2
4102 F3
0V
2
AM-AFC
BIRDY FILTER
RDS only
MPX
BUFFER
1.3V
0V
0V
8.2V
(10-14V)
0.2V
2V
/00 /02 FM/MW/LW
1.4V
OUTPUT PORTS
8
1V
LW
MW
AMPLIFIER
3151 H12
3152 G14
3153 G13
3154 F13
3155 G11
3156 C12
3157 C12
3158 E13
3159 D13
3160 D13
C
stereo
7.8V
mono 4.8V
/14 FM-OIRT/MW
/17 FM/AM
/ SYSTEMS-CENELEC
LW only
AM FRAME AERIAL
FM 75 OHM
1
7101/39
from
450kHz
kHz
HN1V02H
6105
/00 /02 FM/MW
7111
marked components not for LW version
DISCRIMINATOR
4
3
2
3137 H7
3141 E7
3142 E6
3143 G7
3144 G8
3145 F8
3146 G13
3150 H12
VERSION DETECTION
VCC
LW =HIGH
0V
0.7V
450kHz
MW/LW-RF
from
2169
8.2V
VERSION PROGRAMMING COMPONENTS
2V
stereo 0.2V
0V
2165 C7
2166 D12
2167 E12
2169 G8
2180 C4
2190 C3
2191 C3
3105 D5
3108 D2
3109 G4
3123 H3
3125 H2
3128 H3
3130 I8
3131 I9
3132 G4
3134 H6
3135 E7
2136 H14
2137 H13
2138 F9
2139 G9
2140 G9
2141 F10
2143 G12
2144 G11
2145 E11
2146 E12
2147 E12
2148 E12
2149 H7
2150 A10
0V
11V
8.2V
1.3V
7
6
5
8V
3170
3157
3156
6120
/01 FM/MW
2159 D5
2161 C11
2162 H12
2163 D11
2164 F10
2119 H6
2120 G6
2122 I6
2123 H6
2124 H6
2125 H6
2127 E7
2128 B8
2129 C7
2130 F11
2131 F8
2132 F8
2133 F8
2134 I8
AM-OSCILLATOR
LW=HIGH
LW
MW
0V
1.4V
MW=HIGH
pin 5
to 1120
LEFT
0.6V
0.4V
0V
1.4V
1.6-8V
0.15V
...V FM mode stereo
2135 I9
8
9
10
12
13
14
A
B
C
D
E
F
G
8.3V
4
0V
0.7V
0V
0.7V
0.7V
6.7V
450kHz
LW only
set is tuned to a strong
0.1V
1.4V
2106 E3
2107 E4
2108 G3
2109 G3
2118 H6
5
6
7
8
9
10
11
12
13
14
1
2
3
4
8.2V
8.9V
0.1V
11V
0.8V
0V
0V
0V
1.6-8V
1.2V
MW=HIGH
A
FM-IF1
1.2V
0.7V
5
6
7
F
G
H
I
1101 A2
1102 B1
1103 E2
1110 B2
1120 E14
1130 A2
1131 C1
1132 F13
2102 B2
2105 A2
0.7V
mono 4.8V
voltages measured while
0V
9V
5V
8.9V
1.4V
0.7V
0.7V
5
1
1.1V
0.6V
1
2
3
4
0V
0V
7.2V
7.5V
8.3V
V EVM
1V
0.1V
12Vtyp
7.5V
H
I
A
B
C
D
E
3142
100K
2130
22n
220R
3105
56K
3141
2u2
2138
2139
15p
1u
2133
2132
470n
470n
2131
2134
15n
22n_USA
2141
100n
T141
470n
2164
100n
2105 USA
T142
2191
100u
2102
100n
22R
3146
150R
3155
2107
1u
220n
2136
7104
BC337-40
3153
470R
470R
3160
470R
3158
3159
470R
2143
220n
3161
22K
75
330R
3154
DT-381
5121
15n
2135
22n_USA
2124
10n
*
470R
3152
2137
220n
/02 3B RDS
PBAS TUNER ECO6 AS
3103 308 64241
2n2
2148
2147
220p
7KL
1
2
3
4
5
6
7
8
100u
2129
1
2
3
4
6
7
8
5102
5115
2K2
3145
2169
2n2
10p
BC337-40
7105
2108
100p
2109
4
6
7
8
1103
XH-S
1
2
100n
2163
5103
1
2
3
2161
100n
p
LW
3109
4K7
3194
2K2
2K2
3108
5119
1
2
3
4
6
7
8
7111
BC847C
BAS216
6120
120R
3167
2140
82p
1
2
3
4
6
7
8
1
I
3
O
5111
5109
2
G
2144
1u
47K
3171
2119
10p
T116
6
7
8
2123
390p
p
8
5122
1
2
3
4
5123
1
2
3
4
6
7
10u
2128
HN1V02H
6105-2
5
3
6
2122
3n3
22K
3134
22p 22p_LW
2120
10K
3180
T114
7122
BC847C
220p
2146
22K
3137
2K2
3128
2167
12p
2145
220p
150K
3169
22K
3143
1K
3144
3190
120R
47R
3132
120R
3191
2159
33p
68K
3151
2150
100n
7110 BC857B
BC857C
7103
100K
3156
330R
3192
3157
100K
3172
5K6
22u
2162
11p
20p_LW
1102
YKD31-0432
1
2
2106
5110
G
2
I
1
O
3
100K
3170
BAS216
6106
T122
T121
T123
T120
T127
T126
T125
7112
BC547C
T124
T118
T113
BC857B
7109
T109
3123
4K7
T103
3125
10K
T105
T106
T104
2125
560p
T112
T117
BC847C
7124
1
2
3
4
IF-OUT
7
9
10
8
OSC-OUT
V
5
VCC
6
p
2190
100n
2
3
4
6
7
8
FE450
1110
ANT
YKD21
1
2
3
5114
7P
1
1101 USA
2166
1n
100R
3195
HN1V02H
6105-1
1
2
7
2149
33p
33K
3176
3135
1K
3193
BZX284-C11
6107
2127
220n
330R
10K
3150
4102
*
4101*
4104
*
1132
C-PAD
2165
100n
1131
C-PAD
1130
C-PAD
3168
120R
2180
10n
T115
3130
820R
820R
3131
T110
5118
0u10
T111
VCO
23
VDD
38
VSTABA
VSTABB
34
29
WRITE-EN
25
T102
LPF
24
11
MPX-IN
13
MUTE
43
NC
30
P0
31
P1
16
PILOT
4
RF-GND1
42
RF-GND2
15
RIGHT
RIPPLE
1
7
VCC1
22
VCC2
9
2
AM-RF
39
AM|FM
27
CLOCK
28
DATA
26
DIG-GND
21
FIELDSTR-IND
18
FM-DEMOD
3
FM-GND
37
FM-IF1-IN
35
FM-IF2
33
FM-IF2-IN
FM-OSC
5
8
I-TUNE
17
IF-GND
14
LEFT
12
TEA5762
10
AF-OUT
20
AFC+
19
AFC-
44
AGC
32
AM-AFC
41
AM-IF1-IN
36
AM-IF2
40
AM-MIXOUT
6
AM-OSC
3
4
6
7
8
7101
6
7
8
5112
7P
1
2
FE-BT-VK-N
1120
1
2
3
4
5
T140
T107
VDD
VCC1
2118
2p2
p
P1
P0
P0
P01
VCC1
MPX
VCC2
MPX
VCC1
VDD
VCC2
P1
+FM
AM_FM
+FM
AM_FM
VDD
VDD
P0
P01
P0
CIRCUIT DIAGRAM - TUNER BOARD
6 - 1
6 - 1
Содержание MCD299
Страница 14: ...WIRING DIAGRAM 5 2 5 2 ...
Страница 18: ...LAYOUT DIAGRAM AMP PCB 7 2 7 2 ...
Страница 27: ...LAYOUT DIAGRAM MAIN PCB TOP 8 9 8 9 ...
Страница 28: ...LAYOUT DIAGRAM MAIN PCB BOTTOM 8 10 8 10 ...
Страница 29: ...LAYOUT DIAGRAM VIDEO PCB USB PCB VGA PCB USB PCB VGA PCB VIDEO PCB 8 11 8 11 ...
Страница 31: ...LAYOUT DIAGRAM DISPLAY PCB 9 2 9 2 ...
Страница 34: ...10 3 10 3 LAYOUT DIAGRAM KEY2 PCB ...