Diagrams; Block Diagram - Cd Servo Section - Aiwa CX-JV4 Service Manual

6-1. BLOCK DIAGRAM – CD SERVO Section –
DETECTOR
+3.3V (CD)
A
A
6
RF
B SUMMING
B
AMP
7
C
8
FOCUS
ERROR AMP
D
9
F
F
11 F I-V AMP
E
TRACKING
E
10 E I-V AMP
ERROR AMP
OPTICAL PICK-UP
BLOCK
(A-MAX.3)
LASER DIODE
AUTOMATIC
LD
POWER APC LD
1
CONTROL AMP
Q101
PD LD
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC102
VO4+
10
IN4R
M101 MOTOR
M
24
VO4–
(SPINDLE) DRIVE
5
VO3+ IN3+
2 27
MOTOR
M102
M
VO3–
IN3–
DRIVE
(SLED)
1 26
2-AXIS
DEVICE
VO2+ IN2+
56 32
COIL
VO2–
IN2–
DRIVE
55 31
VO1+ IN1+
52 35
COIL
VO1– IN1–
DRIVE
47 34
STBY
8
(LIMIT)
SECTION 6

DIAGRAMS

RF AMP, DIGITAL SIGNAL PROCESSOR
FOCUS/TRACKING ERROR AMP
IC103
AC EQ
SUM IN
RFAC RFAC
4 3 EQ 15 50
VCA
49
FE
16 48
FEI
17
RF DC RFDCO
28
AMP
RFDCI
29
TE
18
RV101
TE BAL
19
E-F BALANCE
(1 TRACK JUMP)
D/A
CONVERTER
SW
12
IC805
1
AO1 DI
PD
2
2 AO2 CLK
3 AO3 LD
40 41 39 43
DIGITAL SERVO
PROCESSOR
IC101 (2/2)
A/D
CONVERTER
SFDR
MIRR,
FOCUS/
29
DFCT, FOK
TRACKING/SLED
SRDR
30 DETECTOR
SERVO DSP
TFDR
31
TRDR
32
SERVO
FFDR INTERFACE
33
FRDR
34
SERVO AUTO
SEQUENCER
TO CPU INTERFACE
26
FILTER
IC101 (1/2)
53 55 52 54 12
RFAC
EFM
ASYMMETRY
DIGITAL PLL
CORRECTOR DEMODULATOR
ASYI
ASYO
TO SERVO AUTO
SUBCODE
SEQUENCER
PROCESSOR
DIGITAL
CLV
CPU INTERFACE
PROCESSOR
25 4 6 5 7 15 79 80 76 77 10 11 13 68
6
7
8
68 67 14 39 20 34
11 AUX02
MPEG VIDEO/AUDIO DECODER
IC802 (1/2)
69 AUX04
18 AUX08
M751
M
(LOADING)
M741
M
(TABLE)
FOK
22
MIRR
20
DFCT
21
COUT
CD NUMBER SENS 74
19
SCLK
8
CD BUSY SW 20
SYSTEM CONTROLLER
IC901 (1/2)
21 21
16 69
XTSL
XTAO
72
X201
CLOCK
XTAI
16.9344MHz
GENERATOR
71
PCMD
DATA
66
BLCK BCK
D/A 67
LRCK
LRCK
32K DIGITAL
65
RAM INTERFACE
WDCK
17
ERROR
CORRECTOR
XRST 2
3 14
GFS
CLK
FOK
36
38
AUX13
LOADING MOTOR DRIVE
IC701
LM-F
4 OUT1 FIN 7
LM-R
2 OUT2 RIN 9
TABLE MOTOR DRIVE
IC712
TM-F
4 OUT1 FIN 7
TM-R
2 OUT2 RIN 9
TABLE ADDRESS
LEVEL SHIFT
SENSOR
Q731
IC731
ROTARY
DISC TRAY
+
ENCODER
ADDRESS DETECT
S711
S751
OPEN/CLOSE
DETECT
OPEN
CLOSE
CX-JV4
DATA, BCK, LRCK
A
(Page 22)
CLK, GFS, FOK
B
(Page 22)
LM-F, LM-R,
TM-F, TM-R
C
(Page 24)
• SIGNAL PATH
: CD PLAY