Sony XR-CA800 Service Manual page 22

XR-CA800
• IC Block Diagrams
– MAIN Board –
IC51 SAA6588T-118
20 19 18 17 16 15 14
POWER SUPPLY
& RESET
MULTI
PATH
57kHz
DETECTOR
8th ORDER
BAND-PASS FILTER
CLOCKED SIGNAL QUALITY
COMPARATOR DECODER
4 5
4
CLOCK
CLOCK
RDS/RDBS RDS/RDBS INTERFACE
DATA
DEMODULATOR DECODER REGISTER
DATA
TEST OSCILLATOR IIC BUS SLAVE
CONTROL & CLOCK TRANSCEIVER
1 2 3 4 5 6 7 8
IC301 CXA2509AQ-T4
30 29 28 27 26 25 24 23 22 21
24dB
120µ/70µ
T2
+ –
– +
NR BIAS
MS
PBFB2 31
X1
MODE
PBRIN2 32
TAPE/AUX
F2
PBREF2 33
TAPE EQ
34
PBFIN2
FWD/RVS
VCT 35
VCT
PBGND 36 VCC
+
LPF +
DETECT
–
PBFIN1 37
F3
PBREF1 38 F1
X1
PBRIN1
39
PBFB1 40
T1
120µ/70µ
24dB
1 2 3 4 5 6 7 8 9 10
13 12 11
PAUSE
DETECTOR
9 10
20 MSMODE
19 DRSW
18 TAPESW
17 INSW
16 NC
15 NC
MS ON/
OFF
14 MSOUT
13 DGND
12 MSTC
11 G1FB
IC331 TDA7406T
33 32 31 30 29 28 27 26 25
MIXER
FRONT REAR
OUTPUT
SELECTOR
SWIN 34
ACINR 35
MAIN SW
ACOUTR 36
HPF
SWACOUT 37
+
ACOUTL 38
7 BAND
EQUALIZER
SOFT STEP
VOLUME
SOFT MUTE
CREF 39
LOUDNESS
+
IN-GAIN
+AUTO ZERO
MAIN SOURCE
SELECTOR
CDL 40 INPUT
CD
MULTIPLEXER
CDR 41
MDL 42
MD
MDR 43
TAPEL 44
1 2 3 4
22 22
24 23
SPECTRUM
ANALYZER
SUB
WOOFER
FILTER
HIGH-CUT
S & H
25kHz
LPF
DEMODULATOR
+STEREO ADJUST
+STEREO BLEND
PILOT
CANCELLATION
PILOT
DET
PLL
FM/AM
BEEP
NOISE BLANKER
80kHz
LPF
MIXING
SELECTOR
STD
FM
IN GAIN
AM
PAUSE
5 6 7 8 9 10 11
22
21 SACLK
20 SCL
19 SDA
18 GND
17 ATT
16 QUAL
QUAL
PULSE
FORMER
15 MPOUT
MULTIPATH
DETECTOR
14 MPIN
D/A
13 LEVEL
CONVERTER
12 MPX1