Diagrams; Block Diagram - Cd Section - Sony ICF-CD863V Service Manual

SECTION 5

DIAGRAMS

5-1. BLOCK DIAGRAM – CD Section –
A FIN2
8
DETECTOR
A D
D FIN1
7
C
C
B
B
F
TIN2
F
10
E
E TIN1
9
OPTICAL PICK-UP
(KSS-213R)
LASER DIODE
AUTOMATIC
LDD
LD
POWER
80 APC
CONTROL
Q701
PD LD
PD
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC702
2-AXIS
DEVICE
T+
T+
12
TRACKING
T–
COIL DRIVE
11
T–
F+
F+
17
FOCUS
1
F– F–
COIL DRIVE
18
SL+
26
M702 SLED
M
SL–
(SLED) MOTOR DRIVE
27
SP+
2
M701 SPINDLE
M
SP–
(SPINDLE) MOTOR DRIVE
1
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
GENERAL-PURPOSE
79 13 15 20 21 23 22 25
TIN
9
FIN
19
SLIN
25
SPIN
3
MUTE 7
15
RAM
EFM INTERPOLATION
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
PORTS
72 49 48 66
X701
S701
33.8688MHz
(LIMIT)
15
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: CD PLAY
LCHO
8FS
42
1 BIT
DIGITAL LPF RCHO
DAC 45 R-CH
FILTER
DOUT
AUDIO
39
OUT
FRAME SYNC
FSEQ
PLL DETECT,
31 41 FSEQ
VCEC PROTECT INSERT,
EFM DECODE
DRF
DRF 67 57 DRF
COMMAND
INTERFACE
61 62 63 64 65
50 WRQ
56 DATA-IN CD
D304
54 DATA CD/RADIO
D305
55 CLK CD/RADIO
D306
53 CE CD/RADIO
58 XRST
S301
CD LID OPEN/CLOSE
DETECT
ICF-CD863V
CD-L
A
(Page 17)
SYSTEM
CONTROLLER
IC401 (1/2)
39
DI, CLK, CE
B
(Page 16)