Marantz CD5000 - CD Drive Mechanism Block Diagram

5-5 5-5
CS 53 149
SAA7372
CD7
TDA1302T
DALAS
R2
D1
D2
D3
D4
R1
BCLK
WCLK
SDA
BCLK
WCLK
SDA
BCLK
WCLK
SDA
HFIN
GAIN SELECTION H=CD-R/W, L=normal CD
R2
D1
D2
D3
D4
R1
LDON
DISC
PHOTO DIODE
ARRAY
TURNTABLE
MOTOR
TRACK
SERVO
FOCUS
SERVO
SLIDE
SERVO
D1 D2
R2R1
D3
FLEX PCB
A/D-CONVERTER
SERIAL
INTERFACE
P
INTERFACE
CONTROL PART
EBU
INTERFACE
RAM
ADDRESS.
SUBCODE
PROCESS.
MOTOR
CONTROL
OUTPUT
STAGES
ERROR
CORRECT.
FRONT END TIMING
DIGITAL PLL
SRAM
EFM
DEMOD.
Vref
KILL
PRE-PROC.
FUNCTION
CONTROL
VERSATILE
INTERFACE
AUDIO
PROCESS.
PEAK
DET.
,,,,,,,,
,,,,,,,,
,,,,,,,,
,,,,,,,,
RA (PWM signal)
RA FO SL
FO
(PWM signal)
SL (PWM signal)
TRACK
FOCUS
DISC Motor-
DISC Motor+
SLIDE Motor+
SLIDE Motor-
FOCUS Servo+
FOCUS Servo-
TRACK Servo+
TRACK Servo-
SLIDE
DISC MOTOR
MOTO1
(from CD7)
MOTO2
(from CD7)
L.P.F.
L.P.F.
L.P.F.
MOTO2MOTO1 16.93MHzDOBM
RESET
1
CD - Drive
VAM1201
pick up
unit
slide motor
t
u
r
n
t
a
b
l
e
Inner switch
TDA7073A
SERVO DRIVER
TDA7073A
MOTOR DRIVER
7851
7802 7819 7860
7852
Laser
on/off
Laser
+5V
ALPC
Automatic Laser Power Control
DATA
RESET
TRAY_SW
TRAY +
TRAY -
SILD
SICL
1802
1804
1803
STABILIZER
+5ESDV
+5V
+4V
+A
+A
+5
7877
TRAY
SUPPLY & AUDIO
INTERFACE
CONTROL INTERFACE
MOTOR
TRAY
7855
TDA7072A
+
-
M
HF-PREAMPLIFIER
CD TEXT (optional)
VDD
SCLK
XMODE
MCK
WFCK
SCOR
SBSQ
EXCK
CD-TEXT INTERFACE
DQSY
SRDT
DQSY
SRDT
uP_CLK
7821
1720
LC89170M
+4V
Timing & Sync
Protection
CRC
Check
CPU
Interface
RAM
32kx8
L.P.F.
L.P.F.
L.P.F.
L.P.F.
L.P.F.
L.P.F.
6
2,5V
0
-2,5V
eye-pattern signal
> 800 mVpp
TB=0.5 s
during focus search
TB=0.1s
2
4
3
5
SDA
WCLK
left channel
MSB
LSB
MSB
right channel
BCLK
TRANSFER OF AUDIO SAMPLES VIA SERIAL INTERFACE OF CD7
CD7 → DAC
1
LSB
ECO SL Mk3 Blockdiagram (IIs) 19980601
BLOCKDIAGRAM ECO SHORTLOADER Mk3