82
MJ-L5, SP-L5
MAGNETIC FIELD
MODULATION HEAD
HEAD DRIVER
(IC116)
BD7910FV
PICKUP
ASSY
• Focus
• Tracking
33.8688MHz
INSIDE SW
(S701)
LOAD SW
(S101, S102)
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
A / D, D / A
(IC4301)
AK4520A
SYSTEM
C.P.U.
(IC4101)
PDG225
BUFFER
(IC4250)
BUFFER
(IC4201)
NJM4558MD
OUTPUT
SELECTOR
(IC4240)
BU4066BCF
MECHA C.P.U.
(IC104)
PD5450A
DRIVER
(IC106)
M56758FP
NJM4558MD
A
MD CORE MAIN UNIT
C
MD MAIN UNIT
B
MD CORE SW UNIT
G
H
MD KEYR UNIT
D
MD TRANS UNIT
E
MD REG1
UNIT
H
MD KEYL UNIT
STEREO
CD RECEIVER
(XC-L5)
or
SURROUND
PROCESSOR
(SP-L5)
DECK
(CT-L5)
+5V REG
F
MD REG2
UNIT
+5V REG
VE+5V
VM+5V
7.4 BLOCK DIAGRAM
7.4.1 MINIDISC RECORDER (MJ-L5)