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3
3
HCD-RV22/RV55
HCD-RV22/RV55
1. BLOCK DIAGRAM — CD SERVO SECTION —
(Page 5)
(Page 4)
(Page 4)
(Page 4)
FD–
FD+
6
7
8
9
16
18
11
10
12
2
1
173
137 138
140 141
142 143
4
5
7
6
23
22
14
13
16
15
DETECTOR
A
B
C
D
RF
SUMMING
AMP
FOCUS
ERROR AMP
TRACKING
ERROR AMP
RFAC
FE
RF AMP,
FOCUS/TRACKING ERROR AMP
IC103
TE
E
F
F I-V AMP
E I-V AMP
AUTOMATIC
POWER
CONTROL
Q101
APC LD
AMP
LD
LD
PD
LASER DIODE
RFAC
164 FE
160 RFDC
162 TE
163 SE
DIGITAL SIGNAL PROCESSOR,
DIGITAL SERVO PROCESSOR
IC505 (1/2)
TO IC505 (2/2)
AUDIO/VIDEO
SECTION
MDP
133
SFDR
SFDR
SRDR
SD+
SD–
TRDR
TFDR
FRDR
FFDR
SRDR
TFDR
TRDR
FFDR
FRDR
SSTP
135
SP+
27
SP–
M102
(SPINDLE)
MOTOR
DRIVE
MOTOR
DRIVE
TD–
TD+
M
M
M101
(SLED)
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC150
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
OPTICAL PICK-UP
BLOCK
SW
PD
11
12
18
17
168
170 171
169
FILTER
FILO
PCO
CLTV
FILI
EQ
IN
3
4
EQ
AC
SUM
17
FEI
RF DC
AMP
28
RFDCO
29
RFDCI
COIL
DRIVE
COIL
DRIVE
D/A1
D/A3
D/A4
D/A2
D/A
CONVERTER
IC506
• SIGNAL PATH
: CD PLAY
19
TE_BAL
FEBAL
RFAC
VCA
S101
(LIMIT)
When the optical
pick-up is inner
position
ON :
RFC
26
FREQUENCY
SELECT SWITCH
Q102
93
91
88
124
PCMD
BCK
LRCK
C2PO
111
102
109
113
DATA
CLOK
XLAT
SENS
96
126
98
114
SCOR
SQSO
L SQCK
L SCLK
131
121
105
GFS
L FOK
L CDXRST
189
XTSL
6
5
3
AO5
AO4
AO3
9
AO6
D/A4
D/A2
D/A1
2
AO2
FEBAL
D/A3
MUTE
20
RST
4
CLK
DATA
LD
11
12
CLK
10
LD
DI
15
24
2
9
RIN
LM-R
4 OUT1
2 OUT2
M751
(LOADING)
M
LOADING MOTOR DRIVE
IC701
S751
OPEN/CLOSE
DETECT
OPEN
CLOSE
LEVEL SHIFT
Q731
TABLE ADDRESS
SENSOR
IC731
ROTARY
ENCODER
RE701
7
FIN
LM-F
TM-R
LM-R
LM-F
MAIN
SECTION
AUDIO/VIDEO
CD
SECTION
AUDIO/VIDEO
CD
SECTION
AUDIO/VIDEO
CD
SECTION
TM-F
9
RIN
TM-R
TRAY
TABLE
O/C
4 OUT1
2 OUT2
M741
(TABLE)
M
TABLE MOTOR DRIVE
IC712
7
FIN
TM-F
A
DISC TRAY
ADDRESS DETECT
92
90
87
123
L CDDATA
L CDBCK
L CDLRCK
L CDC2PO
110
103
108
112
L DDAT
L DCLK
L XLAT
L SENS
95
125
99
115
L SCOR
L SQSO
SQCK
SCLK
132
120
106
L GFS
FOK
XRST
24
GPIO9
81
SYSRST
O/C
TABLE
TRAY
B
LD
CLK
DATA
C
SYS RST
D