1818
XR-C7500R/C7500RX
05
H
(Page 20)
AMPON
SYSTEM CONTROLLER
IC600 (2/4)
CN13 (2/2)
AUDIO
OUT FRONT
AUDIO
OUT REAR
MUTING
Q311
MUTING
Q411
MUTING
Q331
MUTING
Q431
FL+
1
12
14
5
3
OUT2+
OUT2–
21
23
OUT4+
OUT4–
IN2
IN4
11
9
7
OUT1+
OUT1–
IN1
15
17
19
OUT3+
OUT3–
IN3
22 MUTE
16
105
15 AC GND
4
STBY
CN700 (1/2)
(POWER CONNECTOR)
POWER AMP
IC700
FL–
9
FR+
4
FR–
12
RL+
2
RL–
10
RR+
3
RR–
11
TEST
15
TEL-ATT
13
R-CH
R-CH
41
40
XTLI38
X100
16.9344MHz
XTLO38
LOW-PASS
FILTER
IC301
CENTER VOLTAGE
GENERATOR
(FOR BIAS)
IC41
DIGITAL SIGNAL PROCESSOR,
DIGITAL FILTER,
D/A CONVERTER
IC100
27
29
AOUTL1
AOUTR1
54
52
AOUTR3
AOUTL3
60
61
35 LIN
46 RIN
REDY
TRDT
63
RVDT
59
SCK
62
57
TRDT
XLAT
REDY
DSPRST
SCK
RVDT
TRDT
XLAT
REDY
DSPRST
DSPDATA
DSPCKO
SCK
RVDT
L
R
L
R
L
R
R-CH
R-CH
CN13 (1/2)
BUS
AUDIO IN
MONO FADER MIXER
SUBWOOFER+
PHASE CONTROL
MONO
FADER
34 ACINLF
33
35
ACINLR
SWINR
29
30
OUTLF
OUTLR
OUTSWR
ELECTRICAL VOLUME
IC10 (2/2)
XLAT
36
78 DSPREADY
35
26 DSPSO
27 DSPCKO
25 DSPSI
DSPLAT
DSPRST
R-CH
R-CH
FL-OUT
RL-OUT
FR-OUT
RR-OUT
• SIGNAL PATH
: TAPE PLAY
: FM
: MW/LW
: BUS AUDIO IN
XRST
AUDIO
+9V R-CH
OUTPUT
SELECTOR
25
LINE
DRIVER
IC300
MUTING
CONTROL SWITCH
Q700, 701
I
(Page 20)
BUIN
LEVEL SHIFT
Q600
38
18
11
20
1SEL
AM
FD1L–
12 AMIF
13 MPX
R-CH
SOFT
MUTE
TONE
CONTROL
LOUDNESS/
VOLUME
INPUT SELECT, FM MPX
IC10 (1/2)
PILOT
CANCELATION
DIGITAL
CONTROL
L.P.F.
PLL
QUAL
IIC BUS
SDA
SCL
DATA
CLOCK
QUALITY
PILOT
DET
+STEREO ADJUST
+STEREO BLEND
L.P.F. S & H HIGH-CUT
D/A
CONVERTER
MULTIPATH
DETECTOR
DEMODULATOR
21 18
MPOUT
16
MPIN
15
LEVEL
14
INPUT
MULTIPLEXER
LOUDNESSMUTE
AM/FM
NOISE
BLANKER
TO
OUTPUT
SELECTOR
ACOUTL
SM
B
(Page 17)
AM
D
(Page 17)
TAPE L
C
(Page 17)
AM-IF
A
(Page 17)
MPX
E
(Page 17)
DATA, CLOCK
F
(Page 17)
LEVEL
G
(Page 19)
DSPDATA, DSPCKO
31 VOLATT
70 I2C-SDA
71 I2C-SCL
DATA
CLOCK
84
TESTIN
96
TELATT
55
AMPON
5
ATT
4MUTING
Q312
MUTING
Q412
MUTING
Q332
MUTING
Q432
R-CH
R-CH
AMPATT
BEEP