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HCD-VX888
23
23
SECTION 6
DIAGRAMS
6-1.
BLOCK DIAGRAM – TUNER/CD Section –
IC501
IC106
: FM
: CD
• Signal Path
• R-CH is omitted due to same as L-CH.
: DIGITAL OUT
FM 75
Ω
G
AM
TM1
ANT IN
1
7
IF OUT
8
OSC OUT
5
VT
FE1
+B
(+11.7V)
A+12V
Q2
PLL
IC51
X51
4.5MHz
RF IF
AMP
Q1
CF1
CF2
DO
DI
CL
CE
2
1
11
9
3
10
7
8
RB41
AM/FM IF MPX
IC11
BUFFER
Q11
LPF11
LPF
IFT11
R-CH
SYSTEM CONTROLLER
IC501 (1/3)
DO
CL
CE
DI
DI
CD
DIGITAL OUT
IC201
L-CH
TBL ADDRESS
SENSOR
IC711
OPEN/CLOSE
S701
BU UP/
DOWN
S711
M
IC701
TURN
MOTOR
M721
6
RV11
+B (+7.4V)
OPTICAL PICK-UP
BLOCK
(A-MAX.3)
PD1
PD2
I5-10
I1-6
LD
VC
SW
VCC
+5V
GND
LD GND
PD
LD
DRIVE
Q101
RF AMP
IC103
MOTOR/COIL DRIVE
IC102
M
M102
SLED
MOTOR
M
M101
SPINDLE
MOTOR
F+
F-
T+
T-
DIGITAL SIGNAL PROC.
DIGITAL SERVO
IC101
DATA
CD DATA
CD BCK
CD LRCK
C2PO
MCLK
CLK
XLT
SQSO
SENS
VIDEO CD CONTROL
IC502 (1/2)
SCLK
SCOR
CTRL1(1-2)
MUTING
SQCK
LDON
XRST
PWM1
PWM2
PWM3
+3.3V
REG.
Q103,D101
+5V
+3.3V
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
9
8
0
5
1
3
6
7
3
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299