11
11
D-FJ737
5-2. BLOCK DIAGRAM
• Signal path.
J
: CD
D401
X601
S803
S804
S802
J302
S801
Q409
Q400
RV401
F401
D411
J301
J401
16.9MHz
(OPEN/CLOSE)
RESET
APC
MUTE
/REMOTE
DC IN 4.5V
DRY BATTERY
SIZE "AA"
2PCS, 3V
(IEC DESIGNATION LR6)
RECHARGEABLE
BATTERY
NC-WMAA/NH-WM2AA
2.4V
HEADPHONE AMP
CHARGE
ON/OFF
Q403
Q404
CONVERTER
D-D
BATTERY DET
B+ 4.5V
B+ 3V
B+ 2V
B+ 2.5V
MUTE
Q301,302
B+ 2V
GND
RMKY
TSB
VCPU
ON
ON
OFF
LIMIT
NORM
OFF
DISPLAY
LIQUID
CRYSTAL
65
68
50
64
B+ 2V
FOCUS
COIL
TRACKING
COIL
VCC
A
B
RF
E
F
LD ON/OFF
SWITCH
B+ 2V
LD
PD
SPINDLE MOTOR
SLED MOTOR
COMPARATOR
B+ SWITCH
Q405
S805,806
B+ 2V
F+
F-
T+
T-
RMKY
RMKY
B+ 2V
B+ 3V
B+ 4.5V
B+ 3V
VCPU +2V
-
-
-
VCC1 2V
(IC402,404)
COMPARATOR
VCPU +2V
B+ 3V
16M DRAM
IC601
IC402
IC604
IC602
IC404
VCC2 VOLTAGE
CONTROL
Q406,407
CHARGE
SWITCH
Q402
B+ SWITCH
Q412
G PROTECTION
HOLD
AVLS
/-
M902
M901
RF AMP
RF AMP,
SERVO,DIGITAL
SIGNAL PROCESSOR,
D/A CONVERTER,
D-RM CONTROLLER
IC501
B+ 2V
VOLTAGE
CONTROL
Q410
Q416
Q414
AC ADAPTOR
DET
B+ 4.5V
IC351
Q601
Q501
DIGITAL
OUT
ON/OFF
SOUND
PLAY
MODE
ENTER
REPEAT/
/CHG
LINE OUT
(OPTICAL)
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5
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299