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HCD-CP555/NXM1
22
22
HCD-CP555/NXM1
7-2. BLOCK DIAGRAM – CD SERVO SECTION –
OPTICAL PICK-UP
BLOCK
(KSM-215DCP)
LD
DRIVER
+1.7V
+3.3V
LD
GND
FOCUS
COIL
F+
F
T+
T
TRACKING
COIL
X171
16.9MHz
IC251
SL/SP MOTOR
DRIVER
RF AMP
VR
PD
M
M101
(SPINDLE)
VC
VCC
A
B
C
D
E
F
DETECTOR
IC301
DIGITAL
SIGNAL PROCESSOR
XTACN
XRST
DATA
XLT
CLOCK
SENS
+3.3V
SCOR
MP3STB
MP3REQ
MIACK
MICK
MIDIO
MILP
MICS
MP3RST
SCOR
SENS
CLOCK
XLT
DATA
XRST
XTACN
SCOR
SENS
CLOCK
XLT
DATA
XRST
XTACN
DOUT
ROUT
LOUT
IC751
(DISC SENSOR)
Q751
ROTARY
ENCODER
(MD)
ROTARY
ENCODER
(ST U/D)
IC701
LD/ST MOTOR DRIVER
IC711
U/DOTOR DRIVER
M761
(LD/ST)
M762
(U/D)
S781
(SUB TRAY OUT)
(SUB TRAY OUT)
OPEN
MAIN TRAY
OPEN/IN
CLOSE
S731
S761
S721
SENSE
SWITCH
S771
M
M
D+3.3V
LD/ST MTR NEG
LD/ST MTR POS
BU U/D MTR NEG
BU U/D MTR POS
CN701
SW3 SUB TRAY OUT
SW2 SUB TRAY OUT
SW4SUB TRAY OUT
SW1 SUB TRAY OUT
MD-E4
MD-E3
MD-E2
MD-E1
ST-E4
ST-E3
ST-E2
ST-E1
D.SEMSOR
CN201
100
IC303
Q10
IC101
• Signal path
J
: CD PLAY (ANALOG)
c
: CD PLAY (DIGITAL)
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
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299