Yamaha MDX-9 Manuel de service Page 36

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Vue de la page 35
MDX-E100
MDX-E100
35
BLOCK DIAGRAM (MD)
IC1601
BA5984FP
MOTOR DRIVER
IC1201
LR376484
ENDEC/ATRAC
IC1401
IX0253AW
MD SYSTEM
MICROCOMPUTER
IC1801
NJM431U
VOLTAGE REGULATOR POWER
IC1101
IR3R55
RF SERVO/
SIGNAL
CONTROL
A/D CONVERTER
D/A CONVERTER
E-F SIGNAL A-B SIGNAL
RF1-RF4 SIGNAL
PICKUP UNIT
IC1402
S29294A
EEPROM
IC1202
IX2474AF
4M BIT
D-RAM
IC1702
NJM431U
VOLTAGE REGULATOR POWER
3.2V
3.2V
IC1300
TC74ACT02F
HEAD
DRIVE CIRCUIT
FOCUS
TRACKING
F
A
B
E
RF1
RF2
RF3
RF4
LASER
DIODE
MONITOR DIODE
LIGHT
RECEIVING
SECTION
ERROR,
SIGNAL
LIGHT
RECEIVING
SECTION
RF
3.2V
EXT.
PLL
q
w
e
r
t
y
u
i
o
!0
!1
!2
!3
!4
!5
!6
!7
!8
!9
@0
@1
@2
@3
@4
@5
@6
@7
@8
BACKUP
MECHANISM
6.5/4.75 ~ 5.25V
28P FFC
DIGOUT
D.GND
DIGIN
BACKUP
PDOWN
RESET
MD-ST
DSCK
SERCH
K DATA
MDDATA
DSTB
D.GND
D.GND
D.GND
D.GND
DVDD
DVDD
PSWCK
LOADSW
AVCC
L.IN
AA.GND
R.IN
AD.GND
L.OUT
AA.GND
R.OUT
6.5/4.75 ~ 5.25V
DIGITAL
3.2V
XL1201
33.8688MHz
3.2V
6.5/4.75 ~ 5.25V
RECORDING
HEAD
MD
6.5/4.75 ~ 5.25V
M
M
M
M901
SPINDLE
MOTOR
M902
SLED
MOTOR
WRITE PRO
DISC ID
LEAD IN SW1953
SW1952
PLAY SW1954
REC SW1955
LOAD SW1956
M903
LOADING MOTOR
3.2V3.2V
E-F
CN1501
IC1701
UDA1344
AUDIO INPUT
AUDIO OUT
Vue de la page 35
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