Diagrams; Block Diagram - Cd Servo Section - Sony HCD-RG490 Service Manual

7-1. BLOCK DIAGRAM – CD SERVO Section –
DETECTOR +3.3V
A
A
B
B
C
C
D
D
E
E
F
F
LASER DIODE
LD
AUTOMATIC
POWER CONTROL
Q321
PD
LD
PD
OPTICAL PICK-UP BLOCK
(KSM-213DCP)
(EXCEPT RG490: MX/RG590: MX)
(KSM-215DCP)
(EXCEPT RG490: MX/RG590: MX)
(RG490: MX/RG590: MX)
M401
16 CH4OUTF
(EXCEPT RG490: MX/RG590: MX)
M
M101
(RG490: MX/RG590: MX)
15 CH4OUTR
(SPINDLE)
M402
17 CH3OUTF
(EXCEPT RG490: MX/RG590: MX)
M
M102
(RG490: MX/RG590: MX)
18 CH3OUTR
(SLED)
2-AXIS
DEVICE
14 CH1OUTF
13 CH1OUTR
12 CH2OUTF
11 CH2OUTR
MUTE
Abbrivation
MX : Mexican model
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: CD PLAY
EXCEPT RG490: MX
: VIDEO
/RG590: MX
HCD-RG490/RG590
SECTION 7

DIAGRAMS

57 A
58 B
AC_ EG_
64 65 RFACO 70 71 RFACI
SUM IN
59 C
60 D
50 E
51 F
CD DSP
IC201
66 LD
67 PD
SSTP
39 109 108
S201
(LIMIT)
X201
16.9344MHz
+3.3V
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC402 (EXCEPT RG490: MX/RG590: MX)
IC251 (RG490: MX/RG590: MX)
CH4IN 24 27 OPOUT OPIN+ 2 38 MDP
MDP
CH3FIN 23 41 SFDR
SFDR
CH3RIN 22 42 SRDR
SRDR
CH1FIN 4 43 TFDR
TFDR
CH1RIN 5 44 TRDR
TRDR
CH2FIN 6 45 FFDR
FFDR
CH2RIN 7 46 FRDR
FRDR
20
89
RG490: MX
RG590: MX
AOUT1 112
PCMD 3 4 PCMDI
AOUT2 117 R-CH
BCK 5 6 BCKI
A
LRCK 1 2 LRCKI
FEO 55
B
C
TEO 53
D
E
F
AUTOMATIC
LD
POWER CONTROL
Q10
PD
TEI 52
FEI 54
(RG490: MX/RG590: MX)
11 16 20 26 12 90 13 14 10 15 7 8
23 23
26 A
27 B
AC_ EG_
34 35 RFACO 41
SUM IN
28 C
29 D
19 E
20 F
CD DSP
36 LD
IC101
37 PD
MDP
6 MDP
SFDR
9 SFDR
SRDR
10 SRDR
TFDR
11 TFDR
TRDR
12 TRDR
FFDR
13 FFDR
FRDR
14 FRDR
SSTP
7 78 77 102 105 104 107 115 95 110 98 99 110
S101
(LIMIT)
X171
16.9344MHz
C-11
6 MIDIO
C-12
7 MICK
C-9
4 MICS
C-13
8 MIACK
C-14
36 PO11/BUCK/AD14
C-10
5 MILP
MP3-RST
2 RESET
C-15
3 STANDBY
SYSTEM CONTROLLER
IC901 (1/4) (EXCEPT RG490: MX/RG590: MX) LOADING MOTOR DRIVE
IC901 (1/4) (RG490: MX/RG590: MX)
O-LM-F 34 7 FIN
O-LM-R 33 9
RIN
TABLE MOTOR DRIVE
C-3
52 O-CD-DATA
C-5
54 O-CD-CLK O-TM-F 36 7 FIN
C-15
28 O-XLAT/O-MP3-STB O-TM-R 35 9 RIN
C-4
31 O-D-MUTE/O-XLT
C-6
53 I-CD-SENS
C-7
40 I-SCOR LEVEL SHIFT
I-CD-NUMBER-SENS 37
71 I-MP3-DATA
C-11
72 O-MP3-DATA
C-12
70 O-MP3-CLK
ROTARY
C-9
I-CD-ENCODER 66
26 O-MP3-XLAT/O-MP3-CS ENCODER
C-10
30 O-MP3-CS/O-MP3-LP
C-14
29 I-MP3-REQ
C-13
27 I-MP3-ACK I-OPEN-SW 38
C-1
24 O-XTCN
C-8
32 O-XRST
MP3-RST
25 O-MP3-RESST
HCD-RG490/RG590
CD-L
A
(Page 24)
AOUT1 81
42 RFACI
AOUT2 86 R-CH
FEO 24
TEO 22
TEI 21
FEI 23
65 66 63 60 65 61
SBSO, WFCK,
SCOR, EXCK
B
(Page 25)
15 54 28 18 19 71
MP3 DECODR
IC301
IC701
OUT1 4
M751
M
OUT2 2 (LOADING)
IC712
OUT1 4 M741
M
(TABLE)
OUT2 2
DISC TABLE
ADDRESS SENSOR
Q731
IC731
DISC TABLE
ADDRESS DETECT
S711
S751
DISC TABLE
OPEN/CLOSE
OPEN
DETECT
CLOSE