Diagrams; Block Diagram - Cd Servo Section - Aiwa CX-JV77 Service Manual

6-1. BLOCK DIAGRAM – CD SERVO Section –
A
6
B
7
C
8
D
9
DETECTOR
F
11 F I-V AMP
E
10 E I-V AMP
OPTICAL PICK-UP
BLOCK
(KSM-213DHAP)
LASER DIODE
AUTOMATIC
LD
POWER
1
CONTROL
Q101
PD LD
SP+
16
M102
M
SP–
(SPINDLE)
15
SD+
14
M101
M
SD–
(SLED)
13
2-AXIS
DEVICE
TD+
12
TD–
11
FD+
18
FD–
17
CX-JV77
SECTION 6

DIAGRAMS

FREQUENCY
SELECT SWITCH
RF AMP,
FOCUS/TRACKING ERROR AMP
IC103
26
AC EQ
RF
SUM IN RFAC
RFAC
SUMMING 4
3 EQ 15
VCA
AMP
FE
FOCUS
16
ERROR AMP
FEI D/A1
17
RFDCO
RF DC
28
AMP
RFDCI D/A3
29
TE
TRACKING
18
ERROR AMP
TE_BAL FEBAL
19
SW D/A4
12
APC LD PD
2
AMP
D/A2
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC150
MOTOR
24 27 2
DRIVE
SFDR
4
MOTOR
SRDR
DRIVE
5
TFDR
6
COIL
TRDR
DRIVE
7
FFDR
22
COIL
FRDR
DRIVE
23
20
D/A1
3
AO3
D/A2
5 AO4
D/A3
6 AO5
D/A4
9 AO6
FEBAL
2
AO2
Q102
FILTER
189 24 168 170 171 169
173 RFAC
PCMD 91
BCK 93
LRCK 88
C2PO 124
164 FE
DATA 102
CLOK 111
DIGITAL SIGNAL PROCESSOR,
109
XLAT
160 RFDC DIGITAL SERVO PROCESSOR
IC505 (1/2) SENS 113
SCOR 126
SQSO 96
98
L SQCK
162 TE
L SCLK 114
163 SE
GFS 121
L FOK 131
105
L CDXRST
133 137 138 140 141 142 143 81 135
ON : When the optical
S101
pick-up is inner
(LIMIT)
position
D/A
CONVERTER
IC506
DATA
12
DI
CLK
11
CLK
LD
LD 10
4
23 23
• SIGNAL PATH
: CD PLAY
TO IC505 (2/2)
L CDDATA
AUDIO/VIDEO
90
SECTION
92 L CDBCK
87
L CDLRCK
123 L CDC2PO
103 L DDAT
110 L DCLK
108
L XLAT
112 L SENS
125 L SCOR
95 L SQSO
99
SQCK
115 SCLK
120 L GFS
132 FOK
106
XRST
LOADING MOTOR DRIVE
IC701
LM-F, LM-R,
TM-F, TM-R
LM-F
4 OUT1 FIN 7
M751
M
LM-R
(LOADING)
2 OUT2 RIN 9
TABLE MOTOR DRIVE
IC712
TM-F
4 OUT1 FIN 7
M741
M
TM-R
(TABLE)
2 OUT2 RIN 9
TABLE,
TABLE ADDRESS
TABLE
TRAY, O/C
LEVEL SHIFT
SENSOR
Q731
IC731
ROTARY
TRAY
DISC TRAY
ENCODER
ADDRESS DETECT
S711
O/C
S751
OPEN/CLOSE
DETECT
OPEN
CLOSE
DATA, CLK, LD
SYS RST
CX-JV77
(Page 25)
A
B (Page 24)
C (Page 24)
D (Page 24)