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HCD-FL3
30
30
SECTION 8
DIAGRAMS
8-1.
BLOCK DIAGRAM – CD SERVO Section –
CD A+5V
DETECTOR
RF AMP,
FOCUS/TRACKING ERROR AMP
IC103
AUTOMATIC
POWER
CONTROL
Q101
LD
PD
LASER DIODE
5
6
26
7
8
3
20
1 2
9
27
M101
(SPINDLE)
M
M
M102
(SLED)
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC102
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
DIGITAL SERVO
PROCESSOR
IC101 (2/2)
OPTICAL PICK-UP
BLOCK
(A-MAX. 3)
FILTER
43
PWM1
PWM3
PWM2
PWM3
PWM2
PWM1
AUTOMATIC
POWER CONTROL
Q221 – 224
• SIGNAL PATH
: CD PLAY (ANALOG)
: CD PLAY (DIGITAL OUT)
• R-ch is omitted due to same as L-ch.
(LIMIT)
When the optical
pick-up is inner
position
ON :
E-F BALANCE
(1 TRACK JUMP)
RV101
X101
16.9344MHz
S702 (LID)
(ON: When CD lid is close.)
S701 (MID OUT)
(ON: When tray is going to open/close.)
S708 (OUT)
(ON: When tray is open.)
S704 (IN)
(ON: When sub tray set to play position.)
S703 (MID IN)
(ON: When sub tray move between tray and stocker.)
S705 (INIT)
(ON: When elevator down to bottom.)
S706 (COUNT)
(ON: When elevator up/down each sub tray stock position.)
ELEVATOR
UP/DOWN MOTOR DRIVE
IC701
M
M701
ELEVATOR
UP/DOWN
LOADING MOTOR DRIVE
IC702
M
M702
(LOADING)
CD MECHANISM
DECK CONTROLLER
IC201 (1/2)
CD DOOR OPEN/CLOSE
MOTOR DRIVE
IC302
M
M301
CD DOOR
OPEN/CLOSE
LEVEL SHIFT
Q701
DISC IN DETECT
SENSOR
D704, Q703
ROTARY
ENCODER
S707
DISC TRAY
ADDRESS DETECT
Содержание HCD-FL3
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