22
22
HCD-WZ88D
HCD-WZ88D
5-1. BLOCK DIAGRAM – RF/SERVO SECTION –
: CD PLAY
: DVD PLAY
:SACD PLAY
• Signal Path
DETECTOR
D
C
OPTICAL PICK-UP
BLOCK
(KHM 310 CAA/C2NP)
2AXIS
DEVICE
FOCUS/
TRACKING
COIL
Q102 (2/2)
AUTOMATIC POWER
CONTROL (FOR DVD)
Q101, Q103
VOLUME CONTROL
Q102 (1/2)
AUTOMATIC POWER
CONTROL (FOR CD)
LASER
DIODE
(FOR CD)
LASER
DIODE
(FOR DVD)
IC201
FOCUS/TRACKING COIL DRIVER,
SPINDLE, SLED MOTOR DRIVER
M
M
M1
(SPINDLE)
M
M
M203
COADING MOTOR
S001
FOO
RF
A
B
C
D
F
E
CD LD
SW+3.3V
SW+3.3V
PD
VC
VR650
VR780
VCC
DVD LD
FCS+
FCS–
TRK+
+3.3V
TRK–
SP+
SP–
SL+
SL–
D
C
B
A
VREF0
VREF0
B
A
M
M
M2
(SLED)
VMUTE
V2REF0
RFMON
RXD
TXD
X101
27MH
Z
TRO
FMO
FOO
DMO
TRO
FMO
DMO
OCSW
CKSW
TROPENPWM
FWD
REV
FE
RF
TE
PI
Q2001
VOLTAGE DETECT
for TEST
for TEST
RF +3.3V
SW +5.5V
+3.3V
+1.8V