HCD-RV7/RV8
22
22
SECTION 7
DIAGRAMS
7-1.
BLOCK DIAGRAM – CD SERVO Section –
173
137 138
140 141
142 143
DETECTOR
RF AMP,
FOCUS/TRACKING ERROR AMP
IC103
AUTOMATIC
POWER
CONTROL
Q101
LD
PD
LASER DIODE
133
135
M101
(SPINDLE)
M
M
M102
(SLED)
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC102
OPTICAL PICK-UP
BLOCK
(A-MAX. 3)
FILTER
D/A1
D/A3
D/A4
D/A2
DISC TRAY
STATUS SENSOR
IC711
OPEN
CLOSE
S701
DISC TRAY OPEN/CLOSE
DETECT
S711
OPTICAL PICK-UP
UP/DOWN DETECT
TURN MOTOR
DRIVER
IC701
M721
(TURN)
M
• SIGNAL PATH
: CD PLAY
• R-ch is omitted due to same as L-ch.
When the optical
pick-up is inner
position
ON :
150
149
X501
33.8688MHz
FREQUENCY
SELECT SWITCH
Q102
124
111
102
109
113
126
114
131
121
105
189
D/A4
D/A2
D/A1
D/A3
HUE
SHARPNESS
CLK
DATA
LD
DATA
BCK
LRCK
C2PO
DATA, BCK,
LRCK, C2PO
CONT
DATA
CLOK
XLAT
SENS
SCOR
SQSO
SQCK
SCLK
GFS
FOK
XRST
DATA, CLK, LD
SYSRST
SHARPNESS, HUE
DATA, CLOK, XLAT, SENS,
SCOR, SQSO, SQCK,
SCLK, GFS, FOK, XRST
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
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299