Block Diagram - Main Section - Sony XR-C7500RX Service Manual

XR-C7500R/C7500RX
7-2. BLOCK DIAGRAM – MAIN Section –
CN13 (1/2)
L
BUS
INPUT SELECT, FM MPX
AUDIO IN
IC10 (1/2)
R R-CH
SEL
1
AM
AM
B
11
FD1L–
4
(Page 17)
TAPE L
D
(Page 17)
AM-IF AMIF
AM/FM
C
12
NOISE
(Page 17) BLANKER
MPX
MPX
A 13
L.P.F.
(Page 17)
PLL
DIGITAL
CONTROL
IIC BUS
20 21
DATA, CLOCK
E
(Page 17)
LEVEL
F
(Page 17)
DSPDATA, DSPCKO
G
(Page 19)
05
DIGITAL SIGNAL PROCESSOR,
CENTER VOLTAGE
DIGITAL FILTER,
AUDIO GENERATOR
D/A CONVERTER
+9V (FOR BIAS)
IC100
IC41
FL-OUT
35 LIN
AOUTL1 27
RL-OUT
AOUTR1 29
FR-OUT
AOUTR3 54 R-CH
R-CH 46 RIN
RR-OUT
AOUTL3 52 R-CH
XTLI38 41
X100
16.9344MHz
XTLO38 40
DSPRST
57
XRST
REDY
REDY 60
XLAT
XLAT 62
SCK
SCK 59
RVDT
RVDT 63
TRDT
TRDT 61
LOUDNESS/ SOFT TONE ACOUTL
38
VOLUME MUTE CONTROL
TO
OUTPUT
MUTE LOUDNESS
SELECTOR
DEMODULATOR
PILOT
+STEREO ADJUST
L.P.F. S & H HIGH-CUT
CANCELATION
+STEREO BLEND
PILOT
DET
D/A
CONVERTER
MULTIPATH
QUAL
DETECTOR
18 16 15 14
ELECTRICAL VOLUME
R-CH
IC10 (2/2)
ACINLF
LOW-PASS
34
FILTER MONO FADER
ACINLR
33
IC301
SWINR SUBWOOFER+
35
PHASE CONTROL
TRDT
25 DSPSI
RVDT
26 DSPSO
SCK
27 DSPCKO
XLAT
35 DSPLAT
REDY
78 DSPREADY
DSPRST
36 DSPRST
DSPDATA
DSPCKO
SM
18 31 VOLATT
SYSTEM CONTROLLER
IC600 (2/4)
R-CH
DATA
70 I2C-SDA
CLOCK
71 I2C-SCL
18 18
OUTLF
30
MIXER
OUTLR
29
MUTING
Q311
OUTSWR
MONO
R-CH
25
FADER
MUTING
Q411
MUTING
Q331
R-CH
MUTING
Q431
LINE
DRIVER
IC300
MUTING
Q312
R-CH
MUTING
Q412
MUTING
Q332
R-CH
MUTING
Q432
AMPATT 105
BEEP 15
84
TESTIN
LEVEL SHIFT
TELATT 96
Q600
AMPON 55
MUTING
ATT 5 CONTROL SWITCH
Q700, 701
• SIGNAL PATH
: FM
: MW/LW
: TAPE PLAY
: BUS AUDIO IN
CN13 (2/2)
L
AUDIO
OUT FRONT
R
L
AUDIO
OUT REAR
R
CN700 (1/2)
POWER AMP
(POWER CONNECTOR)
IC700
1
OUT2+ 5 FL+
12 IN2
9
OUT2– 3 FL–
4
OUT4+ 21 FR+
14 IN4
12
OUT4– 23 FR–
2
OUT1+ 9 RL+
11 IN1
10
OUT1– 7 RL–
3
OUT3+ 17 RR+
15 IN3
11
RR–
OUT3– 19
22 MUTE
16 AC GND
4
15
TEST
13
TEL-ATT
AMPON
H
(Page 20)
BUIN
I
(Page 20)