Sony CFS-1085S - Page 19

19
CFS-1085S
IC1 CXA1538S (TUNER board)
IC302 AN7338K (MAIN board)
22 21
4 5 6321
20
TREBLE
BASS
VREF
MUTE
τ
RR
REGULATOR
VCC GND
ANALOG SWITCH
151617
987 10 11
12
1819 14 13
TREBLE
BASS
FLAT
FLAT
FLAT
MIX
MIX
FLAT
LIN
NF1L
BFL
TFL
NF2L
LOUT
FLAT
GROOVE
LIVE
POPS
CINEMA
RIN NF1R BFR TFR NF2R ROUT VREF MUTE RR VCC GND
REG
FM FRONT-END
AM FRONT-END
VCO
REG
MPX REG.
PD 1
PD 2
MONO/ST
SELECT
1/2
COUNTER
1/2
COUNTER
MUTING
DECORD AMP
AUTOBLEND
RIPPLE
FILTER
BAND PASS
MUTE
TUNING
INDICATOR
AM
IF / DET
GND
PLL LPF 1
PILOT DET
LPF 1
PILOT DET
LPF 2
ST IND/
VCO CHECK
RCH OUT
LCH OUT
VCC
RIPPLE
FILTER
AFC/AGC 1 AFC/AGC 2
GND
TUND IND
FM IF IN
AM IF IN
BAND SELECT
PLL LPF2 MPX REG VCO FM DISCRI MUTE AM OSC AFC FM OSC REG OUT FM RF AM RF IN FM RF IN
FM/AM FE OUT
FE GND
2
3
5
4
6
7
8
9
10
1
11
12
13
14
15
16
17
18
19
2030 29 28 27 26
25
24 23 22 21
FM IF /
DISCRI