Block Diagram -Cd Section - Aiwa CDC-R937 Service Manual

CDC-R937/X937
4-3. BLOCK DIAGRAM — CD SECTION —
OPTICAL PICK-UP
BLOCK
1
2
CD+5V
3
4
5
6
VC
7
8
9
10
11
13
FOCUS
COIL 12
15
TRACKING
COIL 14
+
M2
M
(SPINDLE)
-
+
M1
M
(SLED/LOADING)
-
RF AMP
IC221
RFGO 25
RFRPIN 24
RFCT 22
RFRP 20
5 FPI
FEO 16
FEN 17
6 TPI
SBAD
15
7 TNI
TEO 14
TEN 13
4 FNI
TEB 11
SEL
10
8 MDI
RFGC 2
GVSW 26
LD
DRIVE 9
LDD
Q221
VC 19 VRO
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE/LOADING MOTOR DRIVE,
IC201
VO3+
VIN3
6 FOCUS
17
COIL
VIN3G
VO3-
DRIVE 18
7
VO4+
4 VIN4
TRACKING
24
COIL
VIN4G
VO4-
23
DRIVE
5
MUTE 25
VO2+
SPINDLE VIN2
8
15
MOTOR
VO2-
VIN2G
9
DRIVE 16
SPEED
SLED/ VIN1
VO1+
13 CONTROL
10
LOADING
Q202
MOTOR VIN1G
VO1-
11 14
DRIVE
CD+8V
REG
5V
OUT REG IN +5V REG
20 19
REG.
Q201
DIGITAL SIGNAL SERVO PROCESSOR
IC241
57 RFI
LO
60 RFZI
59
RFCT
RO
61 RFRP
62 FEI
63
SBAD
TEI
64
65 TEZI
RESET
70 TEBC
CS
74 SEL
CLOCK
RFGC
69
DATA OUT
33 P2-O/EMPH
DATA IN
SRQ
78 XI
X241
16.9344MHz
79 XO
66 FOO
67 TRO
28 P3-3(ADIN3)
72 DMO
LIMIT SW
26 LM CONT
SW3
P1-2(K2)
P1-1(K1)
71 FMO
CD+5V
(DISC IN1)
20 20
86
CD L
82
CD R
RESET
90
92 CDS CS
32 CDS CLO
31 CDS DCDMS
30 CDS DMSCD
25 CDS SRQ
21
24
SW2
23
22 SW1
S1 S2 S3 S4
(DISC IN2) (CHUCH) (LIMIT)
• Signal path
:CD
MAIN
A
SECTION
(Page 21)