Diagrams; Block Diagram - Cd Section - Sony CFD-E77L Service Manual

Q Q
3 7 6 3 1 5 1 5 0
6-1. BLOCK DIAGRAM – CD Section –
FIN2
8
DETECTOR
A D
FIN1
7
B C
F
TIN1
10
E
TIN1
9
OPTICAL PICK-UP
BLOCK
(KSS-213C)
LASER DIODE
AUTOMATIC
LDD
POWER
80 APC
CONTROL
Q701
PD LD
T E
L 1 3 9 4 2 2 9 6 5 1 3
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC702
2-AXIS
DEVICE
T+
12
TRACKING
T–
COIL DRIVE
11
F+
17
FOCUS
F–
COIL DRIVE
18
SL+
26
M702 SLED
M
SL–
(SLED) MOTOR DRIVE
27
SP+
2
M701 SPINDLE
M
SP–
(SPINDLE) MOTOR DRIVE
1
w w w
.
SECTION 6

DIAGRAMS

RF AMP, FOCUS/TRACKING SERVO,
DIGITAL SIGNAL PROCESSOR,
CLV SERVO, D/A CONVERTER
IC701
+
LPF
RF
MIX EQ AGC 4
PH
A/D
BH
SW
TBAL LPF
TRACK
JUMP
AUDIO
ADJUST
S/H
79 13 15 20 21 23 22
TIN
9
FIN
19
SLIN
25
SPIN
3
MUTE 7
x a o
y
i
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8
RAM
INTERPOLATION
EFM
ERROR
IN MUTE
SLISE LEVEL CORRECTION
3
CONTROL AUDIO CD
ATTENUATION
C1 – 2, C2 – 2
DEEMPHASIS
CLV, CAV
CONTROL
RUPTURE
DETECT
SERVO
RAM
PROCESSOR
D/A SW
GENERAL-PURPOSE
PORTS
Q Q
25 72 66
3 7 6 3
S701
(LIMIT)
u 1 6 3
.
19 19
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2 4
9 9 8
LCHO
8FS
42
1 BIT
DIGITAL LPF RCHO
DAC 45 R-CH
FILTER
DOUT
AUDIO
39
OUT
FRAME SYNC
FSEQ
PLL DETECT,
31
VCEC PROTECT INSERT,
EFM DECODE
DRF
67
DRF
COMMAND
XOUT 48
INTERFACE X701
33.8688MHz
XIN 49
61 62 63 64 65
1 5 1 5 0 8 9 2 4
S901
PUSH OPEN/CLOSE
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: CD PLAY
m
c o
CFD-E77L
2
9 9
CD L-OUT
A
(Page 21)
11 CD FSEQ
10 CD DRF
SYSTEM
CONTROLLER
IC801
(1/3)
9 8 2 9 9
1 CD-WRQ
8 CD DO
9 CD DI
7 CD CL
6 CD CE
5 CD-RES
20