Pioneer PDR-L77 Service Manual page 12

1
PDR-L77
3.2 BLOCK DIAGRAM (2/2)
A
Disc (CD, CD-R, CD-RW)
CN1 CN101
A
10
B
9
C
B
16
D
15
E
17
CD-R
F
PICKUP 8
G
PEA1351 14
H
11
FCS+
4
FCS–
1
TRK+
3
TRK–
2
B
SERVO MECHANISM
ASSY
PC651
NJL5803K-F1
CN601 CN452
FG
FG
9
C
3 SPDL
M
4
DC MOTOR
ASSY
(SPINDLE)
PEA1235
1 SL
M
2
CARRIAGE MOTOR
ASSY (SLIDER)
PEA1350
LOADING B
D
ASSY
CN551
1 L
M
2
LOADING
CN453
MOTOR
ASSY
VXX2505
D
12
1
2
SIGNAL ROUTE
(AR)
: ANALOG REC SIGNAL
(REC)
: REC SIGNAL (after A/D)
(PB) (PB)
: PB OUT (before D/A)
(PB)
: PB OUT
(DI)
: DIGITAL INPUT SIGNAL
(DO)
: DIGITAL OUT SIGNAL
: RF SIGNAL ROUTE
CD-R CORE
A
ASSY
IC181
NJM2137M
RF AMP CIRCUIT
6 1
A–D
A
10
B
9
C
16
D
15
E
19
76 73
17
F
71 68
8
G
14
H
11
4
RF PROCESSOR
1
3
2
LD CONTROL
CIRCUIT
FG
9
FCS+
34
3 SPDL
FCS–
35
4
IC451
TRK+
32
M56788FP
TRK–
31
TRK DRIVER
2 SL 12 FCS DRIVER
1 13
SLD DRIVER
SPDL DRIVER
9
SPDL
LOADING DRIVER
10
L 14
15
L 4 L
5
2
3
RFDC
HF
17.2872MHz
IC251-IC254
WRF
RUNNING OPC
58
CIRCUIT
BLOCK
IC101
FE
AK8563
11
TE
10
RFAC
29
RFWBL
46
TE
29
HF
---
RFWBL
SERVO AMP IC
38
19
FG
3
4
IC431
PDK041A
STRATEGY
CONTROL IC
IC401
CXD2585Q
RFOPC
CD DECODER
AOUT
RFDC
43
FE
39
TE
41
RFAC
50
IC351
IC201
PDJ014A
PA9007A
ATIP
DECODER IC
4
34.5744MHz
4
17.2872MHz
6
CDLRCK
65
CDBCK
67
CDDATA
66
CDTX
64
32 37
39 40
AD0-AD7
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