
MJ-D707, MJ-17D
65
7.3 BLOCK DIAGRAM
MAGNETIC FIELD
MODULATION HEAD
HEAD DRIVER
(IC116)
BD7910FV
PICKUP
ASSY
• Focus
• Tracking
33.8688MHz
INSIDE SW
(S701)
LOAD SW
(S101, S102)
DISPLAY
FUNCTION KEY
FUNCTION KEY
4M–DRAM
(IC103)
EEP–ROM
(IC110)
X'tal
(X101)
DISC SW
(S702)
SPINDLE MOTOR
SLED MOTOR
LOADING MOTOR
M
M
M
RF–AMP
(IC101)
IR3R55M
ENC / DEC
(IC102)
LR376481
S–RAM
(IC605)
SRM2B256SLMX70
A / D, D / A
(in D.S.P.)
(IC602)
AK7712A–VQ
SYSTEM
C.P.U.
(IC701)
PDG222B
HEADPHONE
AMP
(IC604)
M5218AFP
L.P.F.
(IC603)
INPUT AMP
(IC601)
NJM2100D
INPUT
VOLUME
(VR701)
INPUT
SELECTOR
(IC604)
TC74HC153AF
DUTY
CORRECTER
(IC403, IC406)
MECHA C.P.U.
(IC104)
PD5450A
DRIVER
(IC106)
M56758FP
BUFFER
(3V–5V CONVERTER)
(IC401, IC402)
OPTICAL
DIGITAL OUT
DIGITAL IN
OPTICAL
LINE IN
LINE OUT
HEADPHONE
JACK
COAXIAL
NJM4580D
A
CORE MAIN UNIT ASSY
C
MAIN UNIT ASSY
B
CORE SW UNIT ASSY
E
DISPLAY UNIT ASSY
F
CONTROL UNIT ASSY
G
HEADPHONE UNIT ASSY