Philips FW 21 Schemi di cablaggio - Pagina 11
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Zestaw audio Philips FW21
ECO4 CIRCUIT DIAGRAM
TUNER UNIT ECO4 (MINI)
FM
2100
T001
1101
100p
1
9197
2
T002
A
1
MW/LW-RF
MW
1
2
6
5
LW
4
AM-FRAME...AERIAL
2
6
1
T006
1103
B
AM/IF
5140
312211821101
3
1
2
MT
+5V
3248
0
3151
2104
1.5k
100p
0.8V
16
FM
Fronted
17
C
3
2113
3-11p
4
3
2114x
100p
5%
2
2,7
LW/MW
1
3245x
7104x
0V
0
BC848C
0.7V
T005
3221
0
3109x
2.2k
7102xA
BC817-40
3107x
3222o
2.2k
LW
0
2126x
100n
A
AM/IF
5142
F7MCS-12216N
4
3
6
1
2
FM/IF
SFE10.7MS3
1.3V
1.4V
1.4V
1V
1.4V
0.7V
1.4V
15
14
13
12
11
10
FM
FM
MIXER
IF 1
FM
OSC
AM IF
AM
AM
MIXER
OSC
AM
AGC
Frontend
18
19
20
21
22
23
0V
2.1V
0.7V
0V
0V
0.1V
2151
2150
10µ
10µ
+5V
FM-RF
5109
0V
0.7V
RFI.5T
0V
2115
Q-MULTIPLIER
3-11p
FM-OSC
6109
1SV228
2
1
3
3108
100k
6124 1SV228
1
3120
5.6k
3106
100k
1
3124x
LW/MW
0.7V
2.2k
4
6
MT
2147
DISCRIMINATOR
10n
FM/IF
SFE10.7MS3
2141
2.2µ
1.1V
1.2V
0V
0.7V
1.4V
0.7V
1V
0.9V
9
8
7
6
5
4
V Stab B
PILOT
PRES
FM
FM
IF 2
DET
DET
IF AMP
38kHz
PHASE
SYNC
DET
DET
Mute
AM/FM
INDIC
AM
SWITCH
DET
AM/FM
V Stab A
V Stab B
SWITCH
MONO/ST
AM
FM
V/S
STABILIZER
CONV
DRIVER
IF GND
24
25
26
27
28
29
0V
5V
0V
1V
0.7V
1.3V
1.6V
+5V
2152
4
100n
BURDY FILTER
2174
560p
2162
1µ
3149
82k
3111
5120
VCO
152kHz
15k
RFI.5T
3148
2121 15p
47k
3176
2175
2
100p
100k
3
2120
470p
2185
100n
3244
0
5123
4
3243o
3238x
0
0
Include
6
MT
5122x
4
0V
7121x
BC848C
6
MT
Baza Porad Serw
/20/21/22/37
HEF4069UBT
2.5V
7150 HEF4069UB
2156
3154
100n
33k
T014
2154
2.2n
2157
3155
100n
33k
T013
2155
2.2n
1.7V
0.6V
0.6V
1
3
2
AM/FM/IF
MATRIX
COUNT
AMP
SOFT
MUTE
SOS
CONTROL
VCO
SWITCH
LED
Mute
DIVIDER
19/19/38kHz
2142
1µ
30
31
32 0.7V
MUTE=High
0.8V
0V
0V
MONO=Low
5V
STEREO=Low
AM=HIGH
2168
1.8n
3112
22k
1
2.5V
2.5V
7150
HEF4069UBT
AM OSCILLATOR
3242
3132
0
4.7k
MW
3
2
2136
27p
1
110µH
LW
7123x
3
BC848C
2129x
2
2125x
390p
27p
1%
1
3129x
110µH
7150
1
2
1
3160 82k
2158B
1n *680p
ST
21
47
3
LW
4.7k