Read Sony HCD-RG295 / HCD-RG495 / HCD-RG595 / MHC-RG295 / MHC-RG495 / MHC-RG595 Service Manual online
HCD-RG295/RG495/RG595
23
23
HCD-RG295/RG495/RG595
SECTION 7
DIAGRAMS
7-1. BLOCK DIAGRAM – CD SERVO Section –
CD DSP
IC201
CH2RIN
MUTE
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
57
64
A
+3.3V
DETECTOR
A
AC_
SUM
58 B
65
EG_
IN
IN
70
RFACO
71 RFACI
3
PCMD
112
AOUT1
117
AOUT2
4 PCMDI
5
BCK
55
FEO
53
TEO
52
TEI
54
FEI
6 BCKI
R-CH
1
LRCK
2 LRCKI
59 C
60 D
50 E
51 F
66 LD
67 PD
16 CH4OUTF
15 CH4OUTR
27 OPOUT
38 MDP
AUTOMATIC
POWER CONTROL
Q321
LD
PD
LASER DIODE
OPTICAL PICK-UP BLOCK
(KSM-213DCP)
B
C
D
E
F
41 SFDR
42 SRDR
43 TFDR
44 TRDR
45 FFDR
46 FRDR
DATA
C-3
C-4
C-5
C-15
C-6
C-7
C-11
C-12
C-9
C-10
C-14
C-13
C-1
C-8
C-3
C-5
C-15
C-6
C-4
C-7
C-11
C-12
C-9
C-10
C-14
C-13
C-1
C-8
I-V AMP
M401
(SPINDLE)
M402
(SLED)
17 CH3OUTF
18 CH3OUTR
14 CH1OUTF
13 CH1OUTR
12 CH2OUTF
11
7
20
89
SSTP
39
CH2FIN 6
CH1RIN 5
CH1FIN 4
CH3RIN 22
CH3FIN 23
CH4IN 24
OPIN+ 2
CH2OUTR
M
M
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC402
S201
(LIMIT)
+3.3V
108
XTAO
109
XTAI
X201
16.9344MHz
CLOK
11
XLAT
16
SENS
20
SCOR
26
DATA2
12
CLK2
90
XLAT-MP3
13
REQ-MP3
14
IREQ-MP3
10
ACK-MP3
15
XTACN
7
XRST
8
52 O-CD-DATA
54 O-CD-CLK
28 O-XLAT/O-MP3-STB
53 I-CD-SENS
40 I-SCOR
71 I-MP3-DATA
72 O-MP3-DATA
70 O-MP3-CLK
26 O-MP3-XLAT/O-MP3-CS
30 O-MP3-CS/O-MP3-LP
29 I-MP3-REQ
27 I-MP3-ACK
24 O-XTCN
32 O-XRST
31 O-D-MUTE/O-XLT
LOADING MOTOR DRIVE
IC701
FIN
RIN
O-LM-F
S751
LEVEL SHIFT
Q731
DISC TABLE
ADDRESS SENSOR
IC731
34
OUT1 4
OUT2 2
7
9
O-LM-R 33
M
M751
(LOADING)
TABLE MOTOR DRIVE
IC712
FIN
RIN
O-TM-F 36
OUT1 4
OUT2 2
7
9
O-TM-R 35
I-CD-NUMBER-SENS 37
I-CD-ENCODER 66
I-OPEN-SW 38
M
M741
(TABLE)
ROTARY
ENCODER
S711
DISC TABLE
ADDRESS DETECT
OPEN
CLOSE
DISC TABLE
OPEN/CLOSE
DETECT
A
CD-L
SYSTEM CONTROLLER
IC901 (1/4)
: CD PLAY
SIGNAL PATH
R-ch is omitted due to same as L-ch.
(Page 24)
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