DMF-3020/3020
(
S
)
/5020/MD-203
5
BLOCK DIAGRAM
RF,TE,FE,SE
CONT,BUS
APC REF
I,J,
A,B,C,D,E,F
SPINDLE
FEED
FCS,TRK,SPIN,SLED PWM
AUDIO
SYSTEM
AC
TRK
FCS
VFL
DATA
LRCK
BCK
DATA IN/OUT
LRCK
BCK
+3.3V
MECHA: MDM-04 (X33-1100-00)
X25-618 (A/5) (B/5)
DMF-3020/5020
DMF-5020 ONLY
X25 (C/5) (D/5)
X25 (E/5)
MAIN
u-COM
UPD784215GF532
256K SRAM
IC31
POWER
TRANSFORMER
FILTER
LINE
AVR
AVR
AVR
AVR
3.3V
DIGITAL HEAD MOTOR
+5V
BACK-UP
ACIRC
DSP
SERVO
ATRAC
MEMO. CONT
(CXD2652AR)
(CXA2523AR)
RF AMP
IC1
SERVO
(BH6511FP)
MOTOR
DRIVER
IC2
IC8
M
M
M
PLAY POS. SW
DRAM
IC3
PICKUP
KMS-260A
FL
ED1
LC7571ONE
FL DOT MATRIX
DRIVER
IC23
KEY
MATRIX
TIMER SW
IC11
JOG
REC SW
REFRECT SW
PROTECT SW
START LIMIT SW
DISC IN SW
BUFFER
IC37
REG.
+3.3V
5V
3.3
LOADING MOTOR
FEED
MOTOR
Q7
LASER DRIVE APC
DISC
MOTOR
DISC
IC35
LOADING MOTOR
DRIVER
TA8409S
PHONES
OUT
IN
ANALOG
COAX. IN
OPT. IN
COAX. OUT
OPT. OUT
CONTROL
SYSTEM
SL16
DIGTAL
INPUT
OUTPUT
DIGITAL
TEMP. DET.
AC
u-COM VDD
u-COM +5V
33V
FL AC
DIGITAL
IC5
HEAD
RECORDING
CONTROL
REMOTE
5.0
5.0
3.3
E PROM
2
HEAD DRIVER
3.3
5.0
NON REG: 16V
3.3V
4Mx1
SENSOR
DAC
ADC
DIGITAL
DIGITAL
512FS
KAN06
DAC
DRIVE
DIGITAL
DIGITAL
ANALOG
IC10
MUTE
Q17-20
LEVEL
REC
VR1
IC26
IC21 (1/3)
IC21 (2/3)
DIGITAL
IC21 (3/3)
IC10
IC6
IC36
CM1777M
A3
S18
S1
IC34
IC38
IC8
IC13
AMP
H.P
J4
A1
A2
J3
D1
Q1
Q7
Q11
Q13
IC22
IC40
IC41
IC39
SRAM +5V
SHUNT
OUT
IN
ANALOG
2V/0.4k
0.5V/22k
15~ 21dBm
0.5Vp-p/75
COAX.
DIGITAL (IN/OUT)
OPT.
DMF-5020(K)
COVER1,1P(
98.12.9
16:39
y[W
10