Diagrams; Block Diagram - Cd Section - Sony CFD-E90 Service Manual

6-1. BLOCK DIAGRAM – CD Section –
OPTICAL PICK-UP
BLOCK
(KSS-213R)
8
DETECTOR
A
D
7
B C
E
9
F
10
LASER DIODE
AUTOMATIC
POWER
80
CONTROL
Q701
PD LD
79
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
SECTION 6

DIAGRAMS

FIN2 + RF EFMIN
4 3
PH/BH
FIN1 +
AGC
HFL
PH(RFENV)
TIN1
FE
TIN2
+ TE
VREF
LDD
D/A
CONVERTER
APC
LDS
20 21 22 23
TIN
9
FIN
19
SLIN
25
SPIN
3
MUTE 7
INTERPOLATION
SLICE
ERROR MUTE
LEVEL
CORRECTION &
CONTROL
AUDIO CD ATTENUATION
DEEMPHASIS
RF AMP, FOCUS/TRACKING SERVO,
DIGITAL SIGNAL PROCESSOR,
CLV SERVO, D/A CONVERTER
IC701
CLV,CAV
CONTROL
A/D
CONVERTER,
SWITCH
SERVO
PROCESSOR
FRAME SYNC
DETECT,PROTECT
INSERT
EFM DECODER
GENERAL
PURPOSE
PORT
67 31 72 25 66
S701
(LIMIT)
19 19
LCHO
8FS 42
DIGITAL
LPF
FILTER
& RCHO
45 R-CH
1-bit DAC
X701
16.9344MHz
XIN
49
CLOCK
GENERATOR XOUT
48
PLL
RF AMP, FOCUS/TRACKING SERVO,
VCEC
DIGITAL SIGNAL PROCESSOR,
CLV SERVO, D/A CONVERTER
IC701
COMMAND
INTERFACE
SYSTEM CONTROLLER
63 61 62 65 64
53 C-DOUT
52 C-WRQ
55 C-CLK
62 C-CE
54 C-DIN
64 C-XRT
63 C-FRQ
61 C-DRF
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: CD PLAY
S901
( CD LID OPEN/CLOSE
DETECT
CFD-E90
CD L-OUT
A
(Page 21)
IC801 (1/3)
40
)