Philips FW21 - B1

ELEKTRONIKI
ELEKTRONIKI
ELEKTRONIKI
ELEKTRONIKI
ELEKTRONIKI
ELEKTRONIKI
ELEKTRONIKI
ELEKTRONIKI
37
1
2144
470n
3142
2.2k
2143
470n
LOOP FILTER
STEREO DECODER
IGH
MONO=Low
STEREO=Low
TUNED=Low
3220
0
2.5V 2.5V
7150
HEF4069UBT
7172
MM74HCU04M
1
+5V
FM/AM SWITCH
0V 5V
FM/AM
3144
47k
0V
V
FM
AM
FM/AM
VCO KILLER
5V 0V
5V
0V
0.7V
0V
x
k
LW
3x
8C
0.7V
0V
7128x
BC848C
3125x
4.7k
2139xA
2.2n
3229o 0
3226o 0
2135
560p 1%
PADDING
6105
HN1N02H
5
3,6
2138oA
22p
3224
0
3128
2.2k
3174
10k
3193
470
3175
15k
+5V
3175
100k
+V
5V
1V
7171
BC848C
3172
4.7k
2173
47µ
2171
4.7n
2170
4.7n
2172
1.5µ
7170
BC848C
0.6V
3170
4.7k
Tuned down
Tuned up
1
+5V
3123
22k
5V
0V
0V
5V
LW
TOR
AM-WAVEBAND
SWITCHING LOGIC
LW/MW
LOOP FILTER
LW/MWMW/LW
1
LW=Low
0V
5V
5V
0V
7172
MM74HCU04M
7172
MM74HCU04M
Stereo-Indic
Tuning-Indic
+5V
3122
470
3119
470
3.4V
2123
1n
2122
1n
3121
100k
0.7V
7120
2SC1047
FM OSC
AMP
2124
10n
0.8V
0V
2178
1n
2179
100p
2134
1n
3178
100k
9114
+5V
2183
100n
+5V
3185
100k
5V
5V
0V
7178
BC858B
L=weak sens.
(Autostore 1. run)
SEARCH
SENSITIVITY
3179
22k
3188
1k
UNIVERSAL
COUNTER
PROGR.
DIVIDER
COUNTER
REFERENCE
DIVIDER
PHASE
DET.
1/2
2181
27p
5170
7.2MHz
12p
2180A
7.2M
2186
1n
3183 22k
3184 22k
6121
6121
1N4148
1N4148
6123
1N4148
1
7172
MM74HCU04M
IF-COUNT=HIGH
5V 0V
3156
10k
6154
1N4148
3141
220
3181
100k
3180
100k
+5V
7174
BC858B
5V
5V
MUTE
7156
BC337-40
3164
4.7k
MUTE LEFT
3162
1k
2160
1µ
7157
BC337-40
3165
4.7k
MUTE RIGHT
3163
1k
2161
1µ
1
1
1
1
2.5V
0 82k
3161 82k
2.5V 2.5V
58B
2159B
*680p
1n *680p
F4069UBT
150
069UBT
7150
HEF4069UBT
VERSION PROGR DIODES
MUTE=LOW
V
0V
OFF
MU
T
V
0V
0V=no communications
5V
0
5V
0
100ms
IF 200mVpp
Found strong
signal during
SEARCH
MW/LW
IF
IF
T038
T036
1
T015
OUT 3 OUT 2 OUT 1 OUT 0 IN 1
IN 0
SYNC
DATA out
CLOCK
DATA in
CE
Xin
12
0V
11
0V
10
0V
8
0V
97
0V
65
0V
4
0V
3
0V
2
0V
1
2.4V
OUT 4 OUT 5
LOW
HIGH
OUT 6
AMin
FMin
VDD
PD1
PD2
VSS
Xout
CTR
AM IF
FM IF
CTR
SEARCH
SENS
AM
OSC
FM
OSC
Charge pump
13 14 15 16 17 18 19 20 21 22 23 24
0V 0V
5V 0V 2.6V
5V 1V
2.7V
SHIFT REGISTER LATCH
7173
LC7218M
SYNTHESIZER
45
36
27
18
6105
HN1V02H
FM, MW, LW EAST EUROPE
FM, MW USA /17
FM, MW OVERSEA /01
FM,MW,LW,SW
FM, MW, SW
X=DIODE
M
FM, MW, LW EUROPE
VERSION PROGRAMMI
IF
Baza Porad Serwerwisowych
B