Grundig RR 630 CD Serviceanleitung Seite 27

RR 630 CD / RR 660 CD
GND
30
M/ST
SW
PLL
LPF1
IC201 TA8227P
IC241 TC9235P/F
GRUNDIG Service
PLL MPX FM
LPF 2 REG VCO DISCRI MUTE
29 28 27 26 25
MULTIPLEX
REGULATOR
VCO
PD 1
1/2 COUNTER
PD 2
DECODE AMP
RIPPLE FILTER
ST
IND
1 2 3 4 5 6
PILOT PILOT ST Rch Lch
DET DET IND OUT OUT
LPF2 LPF2
VCO
CHECK
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
AM FM FM AM RF
OSC AFC OSC REG RF IN
24 23 22 21 20 19
FM FE
REGULATOR
AM FE
MUTING
DC
AMP
AUTO
BLEND
BU
AMP
BU
AMP
DETUNE
MUTING
TUNING IND
DC
CONTROL
AMP
7 8 9 10 11 12
V RIPPLE AGC AGC GND TUNE
CC
FILTER AFC 1 AFC 2 IND
PD : PHASE DETECTOR
BU : BUFFER
FE : FRONT END
IC401 AN7312
FM RF FE FM/AM
IN GND FE OUT
18 17 16
FM IF/
DISCRI
AM IF/DET
13 14 15
FM IF AM IF BAND
IN IN SELECT
DET : DETECTOR
IND : INDICATOR
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