XR-MR7
16
A
B
C
D
1
2
4
1
2
4
3.2 BLOCK DIAGRAM (2/2 : CD-R)
FG
PC651
NJL5803K-F1
CN1
CN101
CN601
A
CD-R
PICKUP
PEA1351
A–D
HF
17.2872MHz
17.2872MHz
34.5744MHz
WRF
FE
RFDC
RFDC
CDLRCK
RFOPC
AOUT
A–H
IC181
NJM2137M
RF AMP CIRCUIT
IC101
AK8563
RF PROCESSOR
IC251-IC254
RUNNING OPC
CIRCUIT
BLOCK
LD CONTROL
CIRCUIT
IC201
PA9007A
SERVO AMP IC
IC351
PDJ014A
ATIP
DECODER IC
IC401
CXD2585Q
CD DECODER
IC431
PDK041A
STRATEGY
CONTROL IC
IC451
M56788FP
TRK DRIVER
FCS DRIVER
SLD DRIVER
SPDL DRIVER
LOADING DRIVER
Disc (CD, CD-R, CD-RW)
10
9
16
15
17
8
14
11
4
1
3
2
4
1
3
6
1
76
34
19
58
43
65
39
41
50
4
6
73
2
10
9
16
15
17
8
14
B
C
D
E
F
G
H
FCS+
FCS+
FCS–
TRK+
TRK–
FG
11
A
B
C
D
11
29
---
38
19
TE
TE
AD0-AD7
Address
HF
10
RFAC
FE
TE
RFAC
29
RFWBL
RFWBL
46
E
F
G
H
SERVO MECHANISM
ASSY
C
CD-R CORE
ASSY
B
9
CN452
FG
FG
SPDL
9
SL
CN551
CN453
M
LOADING
MOTOR
ASSY
VXX2505
L
L
L
L
1
2
4
5
32
37
39 40
71
68
35
FCS–
32
TRK+
31
12
13
9
10
14
15
TRK–
CDBCK
67
CDDATA
66
CDTX
64
: RF SIGNAL ROUTE
(PB)
: REC SIGNAL (after A/D)
: PB OUT (before D/A)
: DIGITAL CN INPUT
: DIGITAL LINE 2
: DIGITAL OUT
(REC)
(PB)
(CD)
(LI2)
(DO)
SIGNAL ROUTE
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