22
22
HCD-GB3
HCD-GB3
7-1. BLOCK DIAGRAM — BD/DRIVER SECTION —
: CD
• Signal Path
Q670,671
Q669,672
Q665,668
Q666,667
M1
+
-
+
-
M1+
M1-
M2+
M2-
M
SW3
SW1
SW7(CHACK)
SW8(OPEN)
SW2
SW6(CLOSE)
SW5(STOCK)
OPTICAL PICK-UP
BLOCK
(KSM-213DCP/C2NP)
AUTOMATIC
POWER
CONTROL
Q321
+1.7V
+3.3V
LD
GND
FOCUS
COIL
F+
F
T+
T
SP+
SP
SL
TRACKING
COIL
IC402
S201
(LIMIT)
X201
16.9344MHz
+3.3V
SL/SP MOTOR
DRIVER
MOTOR
DRIVE
IC201
RF AMP,DSP,MP3
VR
PD
M
M401
(SPINDLE)
M402
VCC
VC
A
B
C
D
E
F
DETECTOR
M-MUTE
XTACN
XRST
DATA
XLAT
CLOCK
SENS
REQ-MP3
CD-L
CD-R
XLAT-MP3
3.3V
+1.8V
IC203
CD MECHANISM DECK
BLOCK
SYSTEM CONTROLLER
IC701
(1/2)
ACK-MP3
DATA-MP3
CLK-MP3
IREQ-MP3
SCOR
FOCUS/TRUCKING
COIL DRIVER
MOTOR
DRIVE
M2
M
MOTOR
DRIVE
MOTOR
DRIVE
Q661-664
VM9V
CD
MOTOR
CONTROL
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
9
9
2
8
9
4
2
9
8
0
5
1
5
1
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299