Pioneer XR-MR7 Service Manual page 16

1
XR-MR7
QQ
3 7 63 1515 0
3.2 BLOCK DIAGRAM (2/2 : CD-R)
A
Disc (CD, CD-R, CD-RW)
CN1
B
10
9
16
15
17
CD-R
8
PICKUP
PEA1351 14
11
FCS+
4
TE
FCS–
L 13942296513
1
TRK+
3
TRK–
2
C
SERVO MECHANISM
ASSY
PC651
NJL5803K-F1
CN601
C
FG
FG
9
3 SPDL
M
4
DC MOTOR
ASSY
(SPINDLE)
PEA1235
1 SL
M
2
CARRIAGE MOTOR
ASSY (SLIDER)
PEA1350
E
LOADING B
ASSY
CN551
1 L
M
2
LOADING
MOTOR
www
ASSY
VXX2505
D
16
1
http://www.xiaoyu163.com
2
SIGNAL ROUTE
(REC)
: REC SIGNAL (after A/D)
(PB) (PB)
: PB OUT (before D/A)
(CD)
: DIGITAL CN INPUT
(LI2)
: DIGITAL LINE 2
(DO)
: DIGITAL OUT
: RF SIGNAL ROUTE
B
CD-R CORE
ASSY
IC181
NJM2137M
RF AMP CIRCUIT
CN101
6 1
A A–D
A
10
B B
9
C C
16
D
D
15
E E
76 73
17
F F
71 68
8
G
G
14
H H
11 RF PROCESSOR
4
1
3
2
LD CONTROL
CIRCUIT
CN452
FG
9
FCS+
34
3 SPDL
FCS–
35
4
TRK+
32
M56788FP
TRK–
31
TRK DRIVER
FCS DRIVER
2 SL 12
1 13
SLD DRIVER
SPDL DRIVER
SPDL 9
LOADING DRIVER
10
L 14
15
L 4 L
5
CN453
x ao
. i
2
http://www.xiaoyu163.com
3
RFDC
HF
17.2872MHz
19
IC251-IC254
WRF
RUNNING OPC
IC101
58
CIRCUIT
AK8563
BLOCK
FE
Q Q
11
3 6 7
TE
10
RFAC
29
RFWBL
46
TE
29
HF
---
RFWBL
SERVO AMP IC
38
19
FG
IC451
u163
y
3
4
2 9 9 4
8
IC431
PDK041A
STRATEGY
CONTROL IC
IC401
CXD2585Q
RFOPC
CD DECODER
AOUT
RFDC
43
FE
39
1 3 1 5 0 5 8 2 9
TE
41
RFAC
50
IC351
IC201
PDJ014A
PA9007A
ATIP
DECODER IC
m
co
.
4
2 8
9 9
34.5744MHz
4
17.2872MHz
6
CDLRCK
65
CDBCK
67
9 4 2 8 9 9
CDDATA
66
CDTX
64
32 37
39 40
AD0-AD7
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