Philips FW-R8/17 Service Manual page 43

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BLOCK DIAGRAM TUNER95
+FM
6
+B
A
1102
1 Ant1
F
a
4 GND
f = f + f
0 in if
MT
AM-RF
5102
MW
2106
5103
LW
B
7A-3
3
AGC
FM FRONTEND
10,7MHz
IF Out 7
F 10,7 MHz
if
F o
Osc Out 8
6
VT
MT 5
C
AM-OSC
5123
MW
5122
LW
MW/LW-SELECTION
IF-AM
10,7MHz
450kHz
VCC1 VDD 5111
7 23 35 34 33 38 40
VCC1 VDD FM-IF2 V Stab B FM-IF2I V Stab A AM-MIX Out
STABILIZER
37 FM-IF1I In FM FM
IF1 IF2
5 FM Osc.
CHARGE
PUMP
AM
FRONTEND
8 I-Tune
AM
MIXER
AM
OSC.
2 AM-RF
Ripple AM-Osc. FM GND RF GND IF GND Dig. GND RF GND
1 6 3 4 17 26
Digitized in Heiloo Netherlands
7A-3
IF-AM AM-DET
2 1
450kHz 450kHz
5112 5114
TEA5762
41 36 32 19 20
AM-IF1 In AM-IF2 AM-AFC AFC- AFC+
AFC
AM AM
IF DET
CONTROL
FM
DET
XTAL
AGC
OSC
Fieldstrength
FM-Demod AGC AF-Out Indc.
42 18 44 10 21 25
10,7MHz
75kHz
7
ANTI BIRDY FILTER
RDS
2/4/2018
1121
VCC2
1
GND
22
VCC2 2
RDS RDS
29
WRITE Enable 3
ENABLE
28
DATA 4
DATA
27
CLOCK 5
CLOCK
31
P1 6
STEREO
39
FM/AM
3
30
P0
Mono/
4
Stereo 24
1124
Left
14
1
LEFT
Mute 13
2
STEREO GND
DECODER
Right 15
3
RIGHT
PILOT 16
Filter
MPX-In VC0 LPF
11 9 12
+FM
3142
4
VCC
VCC1
VC0
VDD
VCC2