Read Sony CFS-1085S Service Manual online
19
CFS-1085S
IC1 CXA1538S (TUNER board)
IC302 AN7338K (MAIN board)
22
21
4
5
6
3
2
1
20
TREBLE
BASS
VREF
MUTE
τ
RR
REGULATOR
VCC
GND
ANALOG SWITCH
15
16
17
9
8
7
10
11
12
18
19
14
13
TREBLE
BASS
FLAT
FLAT
FLAT
MIX
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
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
20
30
29
28
27
26
25 24 23 22
21
FM IF /
DISCRI
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