AIWA CDC-X144 Service Manual - Page 6

Block Diagram-cd Cd Play

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CDC-R104/X104/X144 3-2. BLOCK DIAGRAM - CD SECTION - DETECTOR PD1 PD1 PD2 PD2 82 A 84 B 83 C 85 D RFO 78 77 AGCI AGCO 76 71 RFI EFM 68 RF AMP,DIGITAL SERVO, DIGITAL SIGNAL PROCESSOR IC1 69 ASY LOUT 20 ROUT 16 R-CH LMUTE 30 RMUTE 29 I-V AMP E E F F 87 E 86 F FEO 93 TEO 96 92 FE- 95 TE- TE2 97 98 TEC LASER DIODE LD PD LD PD AUTOMATIC POWER CONTROL Q1 1 LD PD 2 SO 12 SI 13 SCK 11 RFOK 6 INTQ 7 STB 10 A0 9 RST 8 OPTICAL PICK-UP BLOCK (KSS1000E) 2-AXIS DEVICE FCS+ FCS- (FOCUS) (TRACKING) TRK+ TRK- FOCUS/TRACKING COIL DRIVE, SLED/SPINDLE/LOADING MOTOR DRIVE IC2 11 VO2- 12 VO2+ OPIN2+ 5 OPIN2- 6 13 VO1- 14 VO1+ OPIN1+ 2 OPIN1- 3 M902 M (SLED) 15 VO4+ 16 VO4- OPIN4+ 27 OPIN4- 26 M901 (SPINDLE) M 17 VO3+ 18 VO3- OPIN3+ 24 OPIN3- 23 M903 (LOADING) M 10 VOL+ 9 VOL- FWD 1 REV 28 52 FD+ 53 FD- 54 TD+ 55 TD- 56 SD+ 57 SD- 58 MD+ 59 MD- XTAL 23 XTAL 24 X1 16.934MHz SW1 (DOWN) SW2 (SELF) SW3 (DISC IN) SW4 (LIMIT) • R-ch is omitted due to same as L-ch. • Siganal Path : CD PLAY CD-L A MAIN SECTION (Page 19) 43 CD MUTE L 42 CD MUTE R 34 CD_SI 33 CD_SO 35 CD_SCK 38 CD RFOK 32 CD INTQ 41 CD STB 40 CD_A0 39 CD RST SYSTEM CONTROL IC501 (1/3) 48 CD_DSW 45 CD_SELFSW 44 CD_INSW 49 CD_LIMIT 46 CD LM LO 47 CD LM EJ 18 18

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CDC-R104/X104/X144
3-2. BLOCK DIAGRAM — CD SECTION —
76
AGCO
RF AMP,DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
IC1
78
RFO
93
FEO
96
TEO
77 AGCI
92 FE–
95 TE–
97
TE2
98 TEC
52 FD+
PD1
PD2
E
F
I-V AMP
PD
LD
DETECTOR
71 RFI
68
EFM
69 ASY
84
82
85
83
87
86
E
C
D
A
B
F
1
LD
2
PD
(FOCUS)
(TRACKING)
2-AXIS DEVICE
OPTICAL
PICK-UP BLOCK
(KSS1000E)
• Siganal Path
: CD PLAY
LASER DIODE
M
M
M
13
14
VO1–
VO1+
15
16
VO4+
VO4–
17
18
VO3–
VO3+
10
9
VOL+
VOL–
FWD
REV
1
28
OPIN2+
5
53 FD–
OPIN2–
6
54 TD+
OPIN1+
2
55 TD–
OPIN1–
3
56 SD+
OPIN4+
27
57 SD–
OPIN4–
26
58 MD+
OPIN3+
24
59 MD–
OPIN3–
23
11
12
VO2–
VO2+
M903
(LOADING)
M901
(SPINDLE)
M902
(SLED)
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE/LOADING
MOTOR DRIVE
IC2
12
SO
13
SI
11
SCK
6
RFOK
7
INTQ
10
STB
9
A0
8
RST
CD-L
MAIN
SECTION
A
20
LOUT
16
ROUT
R-CH
35
CD_SCK
38
CD RFOK
32
CD INTQ
41
CD STB
45
CD_SELFSW
44
CD_INSW
49
CD_LIMIT
40
CD_A0
39
CD RST
CD LM LO
46
CD LM EJ
47
SYSTEM CONTROL
IC501 (1/3)
34
CD_SI
33
CD_SO
SW2
(SELF)
48
CD_DSW
SW1
(DOWN)
SW3
(DISC IN)
SW4
(LIMIT)
30
LMUTE
43
CD MUTE L
29
RMUTE
42
CD MUTE R
PD2
E
F
LD
PD
FCS+
FCS–
TRK+
TRK–
PD1
AUTOMATIC
POWER
CONTROL
Q1
• R-ch is omitted due to same as L-ch.
24
23
X1
16.934MHz
XTAL
XTAL
(Page 19)