Marantz CD-67SE - System Block Diagram

SM5872BS
(DIGITAL
FILTER
AND
D/A
CONVERTER)
XTO
<=
XTi
18bits,
fs
XVsg
—
Voo
CKSL
—
AVpp4
fs
CKO
—+r
RO
Two-times
interpolator
(45-tap
FIR)
MUTEO
——
AVsse
2fs
beh
Two-times
interpolator
(9-tap
FIR
ight-times
oversampling
MUTE!
—»
RON
re
aia
)
digital
filter
MCOM
——
AVpps
=
4fs
Two-times
interpolator
(5-tap
FIR)
LRCI
——
AVppe2
8fs
BCKI
—»
LON
Sample
and
hold
DI
—
AVssi
a2ts
MDT/FSEL1
—.,
LO
Zero-shift
noise
shaper
MCK/FSEL2
——
AVpo1
32fs
Se
UECO)
MLEN/DEEM
DVpp
Pulsewidth
modulator
RSTN
——
DVss
Quasi-symmetrical PWM outputs
Arithmetic operation
Pin Name VO
Crystal oscillator output
“a
his
pin
should
be
tied
HIGH
for
normal
operation.
Internal
pull-up
resistor
Clock
output
(384fs)
UTEO Mute detect output
UTEI
COM
RCI
CKI
Mute input. Internal pull-resistor
Interface
mode
select
input.
Internal
pull-up
resistor
:
H
=
Interface
mode
L
=
Local
Data
sample
rate
clock
input.
Internal
pull-up
resistor
:
H
=
L
ch
L=Rch
ioe]
it clock input. Internal pull-up resistor
erial data input. Internal pull-up resistor
MDT/FSEL1
CK/FSEL2
LEN/DEEM
STN
Vss
Voo
Voor
Microprocessor
interface
data
input
(and
local
mode
frequency
select
input).
Internal
pull-up
resistor
Microprocessor
interface
clock
input
(and
local
mode
frequency
select
input).
Internal
pull-up
resistor
=
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Microprocessor
interface
latch
enable
input
(and
local
mode
deemphasis
control
input).
Internal
pull-up
resistor
Reset
input.
Internal
pull-up
resistor
ND (Digital)
‘ower supply (Digital)
N“N a
vu
Power supply 1 (Analogue)
c
eft-channel positive PWM output
ND 1 (Analogue)
Left-channel negative PWM output
Vss1
ao jJ=|2 |= 4
Voz Power supply 2 (Analogue)
Vos ower supply 3 (Analogue)
ight-channel negative PWM output
ND 2 (Analogue)
ight-channel positive PWM output
|
=
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Vop4
Power
supply
4
(Analogue)
N
Power supply (X'TAL)
Crystal
oscillator
or
external
clock
input,
384fs
(16.9344
MHz)
a [S|
4. BLOCK DIAGRAM
L.P.F AN® BUFFER
3B4ts
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0102
SM5872BS
Q60!
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COM-52.3
BSC
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(0) R.CH
TRAY MOTOR ORIV (M) aeaynatod
INTVEXT SW
RC-BUS
RCS IN/OUT BUS —0)
ono
IR
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CB\-67/67SE ONLY
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Q108 1BA70734
CB-67/67SE ONLY
HOAM
FS x8
AND
BUAL BAC
OVER SAMPLING
AND DISPLAY BRIVER
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SERVO CONTROL. KEY SENS. AND BISPLAY CONTROL
FOC eRIVE =
PROCSSOR
PLIFIRER
AND
HF EQ AM-
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NM!87164
0107
TQA7073A
Q101 TBA1302T
Qyo3
POWER ON RESET
TURNTABLE
MOTOR
60--62-PI--PI4
KEYI--KEYA VFI. VF2 IR
o——_—_
POWER INPUT
CONTROL
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+5V +12V -12V -24V
VOLTAGE FALLING
POWER SUPPLY
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+/-10V
4SV
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KEYI--KEYa,
KEY MATRIX
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VYO! FTO DISPLAY 9-MT-131GK