Philips FW-R88 Service Manual page 29

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