Diagrams; Block Diagram - Cd Section - Sony CFD-E75 Service Manual

6-1. BLOCK DIAGRAM – CD Section –
CD BOARD
CNP701
2 2 FIN2
8
DETECTOR
A D
13 13 FIN1
7
10 10
B C
11 11
F
9 9 TIN1
10
E
14 14 TIN1
9
OPTICAL PICK-UP
BLOCK
(KSS-213C)
LASER DIODE
AUTOMATIC
7 7
LDD
POWER
80
CONTROL
Q701
PD LD
5 5
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
2-AXIS
DEVICE
3 3
T+
12
T–
11
2 2
4 4 F+
17
1 1
F–
18
SL+
26
M702
M
SL–
(SLED)
27
SP+
2
M701
M
SP–
(SPINDLE)
1
S701
(LIMIT)
SECTION 6

DIAGRAMS

RF AMP, FOCUS/TRACKING SERVO,
DIGITAL SIGNAL PROCESSOR,
CLV SERVO, D/A CONVERTER
IC701
+
LPF
RF
MIX EQ AGC 4
PH
BH
SW
TBAL LPF
TRACK
JUMP
AUDIO
ADJUST
S/H
APC
79 13 15 20 21 23 22
IC702
TIN
TRACKING
9
COIL DRIVE
FOCUS FIN
19
COIL DRIVE
SLIN
SLED
25
MOTOR DRIVE
SPIN
SPINDLE
3
MOTOR DRIVE
MUTE 7
RAM
INTERPOLATION
EFM
ERROR
MUTE
IN
SLISE LEVEL CORRECTION
3
CONTROL AUDIO CD
ATTENUATION
C1 – 2, C2 – 2
DEEMPHASIS
A/D
CLV, CAV
CONTROL
RUPTURE
DETECT
SERVO
RAM
PROCESSOR
D/A SW
GENERAL-PURPOSE
PORTS
25 72 66
19 19
CNP702
12
LCHO
8FS CD L-OUT
1 BIT 42
DIGITAL LPF RCHO
DAC
45 R-CH
FILTER
AUDIO DOUT
39
OUT
FRAME SYNC
3
PLL DETECT, FSEQ FSEQ
31
VCEC PROTECT INSERT,
EFM DECODE
4
DRF
DRF
DRF 67
XOUT 48
X701
33.8688MHz
COMMAND
XIN 49
INTERFACE
61 62 63 64 65
6
*WRQ
5
DO
9
DI
7
CL
8
CE
10
*RES
S901
Z PUSH OPEN/CLOSE
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: CD PLAY
CFD-E75
MAIN
BOARD
(1/4)
CNP323
12
3
A
CNP322
TO MAIN
(1/4)
SECTION
(Page 21)
3
11 CD FSEQ
4
10 CD DRF
SYSTEM
CONTROLLER
IC801
(1/3)
6
1 CD-WRQ
5
8 CD DO
9
9 CD DI
7
7 CD CL
8
6 CD CE
10
5 CD-RES
20
CNP801
1
2