
MDX-C8500R/C8500X
21
21
05
MD-ATT
K
(Page 23)
C
(Page 19)
AMPON
MASTER CONTROLLER
IC502 (2/4)
CN302 (2/2)
AUDIO
OUT FRONT
AUDIO
OUT REAR
CN301
SUB OUT
(L)
(R)
MUTING
Q356
MUTING
Q357
MUTING
Q358
MUTING
Q359
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
4
STBY
CN101 (1/2)
(POWER CONNECTOR)
POWER AMP
IC351
FL–
9
FR+
4
FR–
12
RL+
2
RL–
10
RR+
3
RR–
11
TEST
15
TEL-ATT
13
LINE
DRIVER
IC303
R-CH
R-CH
41
40
XTLI38
X801
16.9344MHz
XTLO38
R-CH
MUTING
Q360
MUTING
Q361
LOW-PASS
FILTER
IC807
CENTER VOLTAGE
GENERATOR
(FOR BIAS)
IC809 (2/2)
LOW-PASS
FILTER
IC809 (1/2)
DIGITAL SIGNAL PROCESSOR,
DIGITAL FILTER,
D/A CONVERTER
IC805
27
29
AOUTL1
AOUTR1
54
52
AOUTR3
AOUTL3
75
71
76
81
60
61
SI1
BCK
LRCK
PLCLK
35 LIN
46 RIN
77 XMST
82
REDY
TRDT
63
RVDT
59
SCK
62
57
XMST
DSPPLL
TRDT
XLAT
REDY
DSPRST
SCK
RVDT
XMST
DSPPLL
TRDT
XLAT
REDY
DSPRST
DSPDATA
DSPCKO
SCK
RVDT
BCK
DADT
LRCK
5
9
2
6
8
3
4
10
1
512FS
A
(Page 19)
DADT,
BCK,
LRCK,
512FS
L
R
L
R
L
R
R-CH
R-CH
CN302 (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
IC301 (2/2)
LEVEL SHIFT
IC803 (1/2)
LEVEL SHIFT
IC803 (2/2)
12
11
XECKSTP
XLAT
36
78 DSPREADY
35
26 DSPSO
27 DSPCKO
25 DSPSI
28
29
DSPPLL
DSPMST
DSPLAT
DSPRST
R-CH
R-CH
43
AOUTR2
FL-OUT
RL-OUT
FR-OUT
RR-OUT
SUB-OUT
• SIGNAL PATH
: MD PLAY
: FM
: AM (MW/LW)
: BUS AUDIO IN
XRST
IC806
8V
R-CH
OUTPUT
SELECTOR
25
(MDX-C8500X)
LINE
DRIVER
IC304
MUTING
CONTROL SWTICH
Q354, 355
MUTING
CONTROL SWITCH
Q353
(MDX-C8500X)
BATTERY OFF
MUTE DRIVER
Q352
BATT B+
D354
LEVEL SHIFT
Q111
D353
38
18
11
20
1
SEL
AM
12
AMIF
13
MPX
R-CH
SOFT
MUTE
TONE
CONTROL
LOUDNESS/
VOLUME
INPUT SELECT, FM MPX
IC301 (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
LOUDNESS
MUTE
AM/FM
NOISE
BLANKER
TO
OUTPUT
SELECTOR
ACOUTL
SM
E
(Page 20)
AM
F
(Page 20)
AM IF
D
(Page 20)
MPX
H
(Page 20)
DATA, CLOCK
I
(Page 20)
QUALITY
G
(Page 20)
SMETER
J
(Page 22)
DSPDATA, DSPCKO
B
(Page 19)
EMPHASIS
31
5
VOLATT
(MDX-C8500X)
70 I2C SDA
71 I2C SCL
DATA
CLOCK
97 EMPH
ATT
84
TESTIN
96
TELATT
55
AMPON
(MDX-C8500R)
(MDX-C8500R)
D352
5-3.
BLOCK DIAGRAM – MAIN Section –
Summary of Contents for MDX-C8500R
Page 5: ...5 ...
Page 6: ...6 ...
Page 7: ...7 ...
Page 8: ...8 ...
Page 9: ...9 MDX C8500R ...
Page 86: ...10 10 MDX C8500R C8500X 2 6 SCHEMATIC DIAGRAM MAIN Board 1 4 Page 11 Page 15 Page 12 ...
Page 87: ...11 11 MDX C8500R C8500X 2 7 SCHEMATIC DIAGRAM MAIN Board 2 4 Page 12 Page 10 Page 13 ...
Page 88: ...12 12 MDX C8500R C8500X 2 8 SCHEMATIC DIAGRAM MAIN Board 3 4 Page 10 Page 11 Page 13 ...
Page 89: ...13 13 MDX C8500R C8500X 2 9 SCHEMATIC DIAGRAM MAIN Board 4 4 Page 12 Page 11 Page 17 ...
Page 92: ...16 16 MDX C8500R C8500X 2 12 PRINTED WIRING BOARD SUB Board Page 9 Page 18 ...
Page 93: ...17 17 MDX C8500R C8500X 2 13 SCHEMATIC DIAGRAM SUB Board Page 19 Page 13 ...
Page 95: ...19 19 MDX C8500R C8500X 2 15 SCHEMATIC DIAGRAM KEY Board Page 17 ...
Page 107: ...31 MDX C8500R C8500X MEMO ...