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HCD-XGR99AV
22
22
7-2. BLOCK DIAGRAMS
– CD SERVO SECTION –
E
B
C
D
A
PD1
PD2
I1-6
I5-10
LD
PWM3
PWM1
PWM2
PD
CD D+5V
F
RF AMP,
FOCUS/TRACKING ERROR AMP
IC103
BUFFER
Q451-454
LD
PD
LASER DIODE
DIGITAL SIGNAL PROCESSOR,
DIGITAL FILTER, D/A CONVERTER
IC101 (1/2)
CD-DATA
X-LAT
CD-CLK
S101
(LIMIT)
CD-DATA
X-LAT
CD-CLK
M101
SPINDLE
MOTOR
M
M102
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC102
COIL
FOCUS
COIL
OPTICAL PICK-UP BLOCK
(A-MAX.3)
I-V AMP
FILTER
CD DIGITALOUT
OPTICAL
Q809,810
LEVEL SHIFT
MUTE
Q401
PWM1
PWM2
PWM3
X101
16.9344MHz
R-CH
: CD PLAY (ANALOG OUT)
: CD PLAY (DIGITAL OUT)
When the optical pick-up
is inner position.
ON :
• SIGNAL PATH
• R-ch is omitted due to same as L-ch.
M
TABLE MOTOR DRIVER
IC201
M201
(TABLE)
S201
(UP SWITCH)
LED DRIVE
Q201
D201
(DISC No.)
NC
NC
NC NC NC
NC
NC
NC
Q412
Q411
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
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299