Read Sony PMC-DR45 Service Manual online
6-4. BLOCK DIAGRAM — CD SECTION —
PMC-DR45
– 27 –
– 28 –
A
CNP701
C
B
E
F
D
LD
PD
TRACKING
COIL
FOCUS
COIL
OPTICAL
PICK-UP
(KSS-213C)
M701
(SLED)
S701
(LIMIT)
S651
(LOADING IN/OUT DET)
CD BOARD
LINE BOARD (1/2)
CONTROL BOARD (2/3)
LD
DRIVE
Q701
3
2
4
1
12
11
10
13
14
9
7
5
16
CNP702
CNP803
CNP704
CNP312
CNP703
15
14
13
12
11
11
10
9
8
7
7
6
5
4
3
3
2
1
1
2
3
4
5
5
6
7
8
9
9
10
11
12
13
14
15
11
10
•
19
12
14
13
5
6
16
17
5
43
51
75
77
76
39
41
40
40
14
38
42
31
32
30
1
2
3
4
5
5
6
7
8
9
20
26
25
50
53
18
18
16
55
19
20
47
48
48
17
27
21
4
33
28
29
26
27
6
14
7
13
8
22
4
15
12
3
11
10
24
20
2
3
17
24
M702
(SPINDLE)
18
23
M651
(LOADING)
8
7
2
6
3
SQSO
SQCK
SQCK
XRST
MUTE
MUTE
DATA
XLAT
XLAT
CLK
SENS
SENS
SCLK
SCOR
SCOR
C-SQSO
60
71
70
72
66
67
3 DOUT
2
2
1
5V
C-SQCK
C-RST
C-MUTE
C-MUTE
C-DATA
C-XLAT
C-XLAT
C-CLK
C-AGCCONT
C-OPEN.I
C-CLOSE.I
C-OPEN.O
C-OPEN.O
C-CLS.O
C-SENS
C-SCLK
C-SCOR
C-SCOR
SQSO
DOUT
LOUT
CD+5V
SQCK
XRST
MUTE
DATA
XLAT
CLK
SENS
SQSO
SQCK
XRST
SYSM
DATA
XLAT
CLK
SENS
SCLK
SCOR
SCLK
SCOR
AGCCONT
OPEN-O
CLOSE-O
OPEN-I
CLOSE-I
AGCCONT
OPEN-I
OPEN-I
CLOSE-I
OPEN-O
CLOSE-O
1
3
2
2
DIN
CD+5V
CD+5V
3
2
6
2
6
6
5
2
4
1
6
5
2
4
1
LOADING BOARD
3
CD+5V
LOUT
CD+7.5V
CD+5V
CD+7.5V
TAPE
SECTION
CD+5V
CD+5V
A
RFDC
RFAC
FE
XLON
VC
CE
TFDR
TRDR
FFDR
FRDR
SFDR
SRDR
MDP
SSTP
TE
SE
SE
LOUT2
AOUT2
AIN2
LOUT1
AOUT1
AIN1
DOUT
XTAI
XTAO
RFO
RFI
FE
TE
VCC
AGCCONT
LD ON
RFE
B
C
D
E
F
LD
A
B
C
D
E
F
PD
VC
LD
PD
VC
25
15
16
CD+7.5V
27
20
INTER-
FACE
INTER-
FACE
INTER-
FACE
LEVEL
SHIFT
MUTE
VREF
TFDR
TRDR
FFDR
FRDR
SFDR
SRDR
SPIN
T+
SL+
SP+
T-
SL-
SP-
F+
F-
T+
SL+
SP+
T-
SL-
SP-
F+
F-
SLED,SPINDLE MOTOR
DRIVE
IC703
OPEN-O
CLOSE-O
OPEN-I
VCC
CLOSE-I
OPEN-I
OPEN-O
CD+7.5V
CLOSE-I
CLOSE-O
CN651
CNJ702
D702-705
SYSTEM CONTROL
IC801(2/3)
IC704
OPTICAL
DIGITAL OUT
(CD)
DIGITAL SIGNAL PROCESSOR,
D/A CONVERTER
IC702
CD RF
IC701
VCC
R CH
• Signal path
: CD
R-ch : same as L-ch.
04
X701
16.934MHz
LOADING MOTOR DRIVE
IC651
(Page 29)
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