Sony XR-CA630X, Service Manual

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XR-CA630X
24 24
SOFT STEP FADER SOFT STEP FADER SOFT STEP FADER SOFT STEP FADER
MAIN SOURCE
SELECTOR
MIXING
SELECTOR
INPUT
MULTIPLEXER
TAPER
PDR+
PD–
PDL+
PAUSE
PHONE
TIM
NAVI
AM IF CMPX
1 2 3 4 5 6 7 8 9 10 11
TAPE PD PHONE TIM NAVI
TAPEL
MDR
MDL
CDR
CDL 40
41
42
43
44
PAUSE
BEEP
IN-GAIN
+AUTO ZERO
SOFT STEP
VOLUME
7 BAND
EQUALIZER
SOFT MUTE
LOUDNESS
+
+
SWACOUT 37
HPF
ACOUTL 38
ACOUTR 36
OUTPUT
SELECTOR
SWIN 34
ACINR 35
REAR
AC IN
SW MAIN
MIXER
FRONT
ACINL MIXINLF MIXINLR MIXINRR MIXINRF OUTLF OUTLR OUTRF OUTRR
25 26 27 28 29 30 31 32 33
SUB
WOOFER
FILTER
SOFT STEP FADER
OUTSW
24
MONO FADER
DIGITAL CONTROL
IIC BUS
SPECTRUM
ANALYZER
22 23
VDD
DEMODULATOR
+STEREO ADJUST
+STEREO BLEND
25kHz
LPF
HIGH-CUT
S & H
PILOT
CANCELLATION
PLL
PILOT
DET
80kHz
LPF
FM/AM
NOISE BLANKER
STD
IN GAIN
AM/MPX2
MULTIPATH
DETECTOR
D/A
CONVERTER
QUAL
PULSE
FORMER
SAOUT
SACLK 21
SCL 20
SDA
GND
ATT
19
18
17
QUAL 16
MPOUT
MPIN
LEVEL 13
14
15
MPX1 12
CREF 39
MD
CD
FM
AM
• IC Block Diagrams
– MAIN Board –
IC301 CXA2509AQ-T4
IC331 TDA7406
+
–
+ –
+ –
+
–
+ –
1
2 3 4 5 6 7 8 9 10
20
19
18
17
16
15
14
13
12
11
21 22 23 26 27 28 29 30
31
32
33
34
37
38
39
40
24 25
PBFB1
PBRIN1
PBREF1
PBFIN1
35
36 PBGND
VCT
PBFIN2
PBREF2
PBRIN2
PBFB2
PBEQ1
PBOUT1
VCC
TAPEIN1
AUXIN1
MSLPF
LINEOUT1
NC NC
G2FB
G1FB
MSTC
DGND
MSOUT
NC
NC
INSW
TAPESW
MSMODE
DRSW
MSSW NC NC LINEOUT2 DIREF AUXIN2 TAPEIN2 PBEQ2 PBOUT2 GND
F2
120
µ
/70
µ
X1
X1
VCT
+
F1
120
µ
/70
µ
24dB
F3
LPF
VCC
DETECT
MS ON/
OFF
FWD/RVS
TAPE EQ
TAPE/AUX
NR BIAS
24dB
MS
MODE
T2
T1