Block Diagram -Cd Section - Sony CFD-S22 Service Manual

4. BLOCK DIAGRAM — CD SECTION —
CD BOARD
CNP701
12
A FIN2
2
10
C
11
B FIN1
1
13
D
LD POWER
7 LDD
LD
CONTROL 8
Q701
PD
5 LDS
7
14
E TIN1
3
9
F TIN2
4
16
VREF
VREF 6 VREF
LDOF
10
OPTICAL PICK-UP
BLOCK
(KSS-213C)
3
T+
TRACKING 12
2
T–
COIL
11
4 F+
FOCUS 17
1
F–
COIL
18
M702
SL+
SLED M 26
SL–
MOTOR
27
M701
SP+
M 2
SPINDLE
SP–
MOTOR 1
SLED/SPINDLE
MOTOR DRIVE,
TRACKING/FOCUS
COIL DRIVE
S701
(LIMIT)
S501
CD DOOR
OPEN/
VDD
CLOSE
VDD(SW)
• Signal path
: CD
R-ch : same as L-ch.
Abbreviation
CND : Canadian model
E4 : AC 110-120V/
220-240V area in E model
E92 : AC 120V area in E model
MX : Mexican model
JE : Tourist model
04
RF AMP AGON
12
IC701
SLICE
RF
EFMIN
27 10 LEVEL
CONTROL
PH/BH
HFL
HFL
17 7
REFV PH(RFENV)
22
14 A/D
FE CONVERTER,
FE
20 15
SERVO
TE
TE
18
16 PROCESSOR
VREF
VREF 17
APC
TBLO
EFBL
13 22
TD TDO
23 D/A
FDO
FD
CONVERTER
24
SL SLDO
26
SP SPDO
25
TIN TD
TRACKING
9
COIL
CNP702(1/2)
DRIVE
FIN FD
FOCUS
20
COIL
DRIVE
MUTE 7
SLIN SL
SLED
24
CN502(1/2)
MOTOR
DRIVE
SPIN
SPINDLE SP
3
MOTOR
DRIVE
VREF
23 VREF
IC703
22 REG CHK
80 C-DOOR
REG,AC
D511
BATTERY
65 BT-CHK
CHECK
Q501-504
66 MT-CONT
70
D509
RADIO
RA6V 6V REG
Q513,514
CD
CD3.3V 3.3V REG
Q511,512
– 7 –
INTERPOLATION 8FS
ERROR
MUTE DIGITAL
CORRECTION
CLV
& FILTER
AUDIO CD
CONTROL
ATTENUATION &
C1-2,C2-2
DEEMPHASIS 1-bit DAC
FRAME SYNC
DETECT,PROTECT
INSERT
EFM DECODER
SWITCH
SYSTEM SERVO PROCESSOR,
DIGITAL SIGNAL PROCESSOR
IC702
GENERAL
COMMAND CLOCK
PURPOSE
INTERFACE GENERATOR
PORT
72 78 29 31 71 28 67 65 66 70 68 51 52
X701
16.9344MHz
4 6 5 12 11 10 9 8 7
4 6 5 12 11 10 9 8 7
10 11 5 12 8 6 7 1 9
CD
SYSTEM CONTROL
IC501 (1/2)
71
KH321
CNP902
D956
3.3V REG
AUDIO 6V 3.3V 3 2
IC502
3 3
VDD
COM 3.3V
1 1
AC-HI
3
2 2
MAIN BOARD (1/2)
CNP702(2/2) CN502(2/2)
LCHO 15 15
45
LPF
RCHO
48 CD R
(US MODEL)
P. CONT
2
POWER
VDD
SWITCH
Q951
D955
POWER
SWITCH
VDD
Q952,953
VDD(SW)
COM
COM 3.3V 3.3V REG
Q957
AUDIO 6V
VOL SEL BOARD
SECONDARY BOARD
T901
POWER CNP905
US,E92,MX MODEL
TRANSFORMER
F902
EXCEPT US,E92,MX MODEL
EXCEPT E4, JE MODEL
D901 - 904
POWER
BOARD
CNB901(1/2)
1 1
CNB901(2/2)
3 3
CNP901
BATTERY
BOARD
– 8 –
CFD-S22/S32
CNP505(1/3)
3 CD L
1
EXCEPT US MODEL
D951 D952
AUDIO
6V REG
Q955
E4, JE MODEL
S901
VOLTAGE SELECTOR
220-240V
110-120V
CNJ901
AC IN
F901
E4, JE MODEL
4.5V
DRY BATTERY
SIZE " D "
(IEC DESIGNATION R20)
6PCS,9V 4.5V
CNP904
4 1
2
HALF
BATTERY
BOARD