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MDX-C6500RV
1919
4-3. BLOCK DIAGRAM – MAIN Section –
12
9
5
DATADADT
VOUTL
VOUTR
DADT,
BCK,
LRCK,
FS256
6
BCKBCK
LRCK
R-CH
R-CH
1
XTI
15
17 16
RSTB
DM1
DM0
LRCK
FS256
EMPHASIS
AM
IF-AM
MPX
DATA, CLOCK
S-METER
LOCK
30
29
1
11
20
3
SEL
FD1L
AM
12
AMIF
13
MPX
DATA
CLOCK
R-CH
A
B
F
CLK
CONTROL
SOFT
MUTE
TONE
CONTROL
LOUDNESS/
VOLUME
INPUT SELECT,
ELECTRICAL VOLUME, FM MPX
IC151
PILOT
CANCELATION
DIGITAL
CONTROL
L.P.F.
PLL
BUS
AUDIO IN
CNJ151 (1/2)
(L)
(R)
AUDIO OUT
FRONT
AUDIO OUT
REAR
CNJ151 (2/2)
(L)
(R)
(L)
(R)
IIC BUS
SDA
SCL
SM
PILOT
DET
+STEREO ADJUST
+STEREO BLEND
L.P.F. S & H HIGH-CUT
D/A
CONVERTER
MUTING
Q281
(Page 17)
(Page 17)
(Page 18)
G
(Page 18)
E
(Page 18)
(Page 18)
(Page 18)
(Page 17)
(Page 17)
MD-ATT
MODE
CONTROL
ROTARY
ENCODER
RE901
D501
D653
J501
REMOTE IN
U-COM +5V
SW504
(NOSE DETECT)
CN500
MAIN BODY SIDE
14
1
CN901
FRONT PANEL SIDE
DIMMER
LED910 – 915
(LCD BACK LIGHT)
OSC
LIQUID CRYSTAL
DISPLAY DRIVER
IC901
LCD901
LIQUID CRYSTAL DISPLAY
DI
CL
SE
C953, R957
LSW810,
LSW901 – 917,
S901 – 904
DIGITAL FILTER,
D/A CONVERTER
IC101
INPUT
INTERFACE
DIGITAL
FILTER
NOISE
SHAPER
D/A
COMVERTER
4
DEMODULATOR
21
70 71
18
LEVEL
14
57
MUTING
Q181
MUTING
Q271
MUTING
Q171
6263
BATTERY OFF
MUTE DRIVER
Q621
BACK-UP B+
D622
D502
D302
X501
3.68MHz
X502
32.768kHz
RESET
RESET,
EMPHASIS
I
H
C
INPUT
MULTIPLEXER
LOUDNESSMUTE
MONO
FADER
MIXER
OUTLF
OUTLR
R-CH
OUTPUT
SELECTOR
AM/FM
NOISE
BLANKER
R-CH
D621
FL-IN
FL+
1
CN601 (1/2)
(POWER CONNECTOR)
POWER AMP
IC611
FRONT L (+)
FR-IN
RL-IN
RR-IN
AUX IN
16
15
11
14
12
22
4
FL–
9
FRONT L (–)
FR+
4
FRONT R (+)
FR–
12
FRONT R (–)
RL+
2
REAR L (+)
RL–
10
REAR L (–)
RR+
3
REAR R (+)
RR–
11
15
13
REAR R (–)
MUTE
TEST
TEL-ATT
STNBY
BEEP
AMPATT
AMPON
5
3
21
9
7
17
19
23
RCIN1
KEYIN0
KEYIN1
LOCKIN
I2C SIO
I2C CKO
REIN0
REIN1
KEYACK
LCDSO
LCDCKO
LCDCE
X1
X0
X1A
X0A
ATT
TELATT
RCIN0
16
60
59
48 46 47 36 37 76 6785 12 587473929315141335 79 81
AD-ON
NOSESW
DOORSW
TEST IN
84
VOLATT
VOLUME/BASS/TREBLE/
BALANCE/FADER CONTROL
D571
OSC
64
3 60
4
–
51
S04
–
S51 COM1
–
COM4
52
–
55
MUTING
CONTROL SWITCH
Q622
LEVEL SHIFT
Q571
D
KEY ACTIVE
SWITCH
Q651, 652
MASTER CONTROLLER
IC501 (2/3)
: MD PLAY
: FM
: MW/LW
: BUS AUDIO IN
05
• SIGNAL PATH
LED DRIVE
Q903