Read Sony CFD-S250L Service Manual online
CFD-S250L
18
18
A
C
B
F
E
D
A
C
B
D
LD
PD
VR
F
T+
T–
F+
F–
F–
SL+
SL–
SL–
SP+
SP–
E
VREF
LD
PD
LD POWER
CONTROLLER
Q701
APC
FIN2
FIN1
LDD
LDS
TIN2
TIN1
VREF
RF
10
9
11
80
7
79
4
8
9
12
11
TRACKING
COIL
DRIVE
19
7
FOCUS
COIL
DRIVE
TIN
FIN
25
SLIN
SLED
MOTOR
DRIVE
3
SPINDLE
MOTOR
DRIVE
SPIN
VREF
OPIN
MUTE
T+
T–
17
18
F+
F–
26
27
SL+
SL–
2
1
SP+
SP–
TRACKING
COIL
FOCUS
COIL
OPTICAL PICK-UP
BLOCK
(KSS-213R)
M
M
M702
SLED
MOTOR
M701
SPINDLE
MOTOR
SLED/SPINDLE
MOTOR DRIVER,
TRACKING/FOCUS
COIL DRIVER
IC702
S701
(LIMIT)
EFMIN
HFL
AGC
PH(RFENV)
FE
TE
VREF
CONT1
FSEQ
CONT4
DRF
RES
DI
CE
CL
WRQ
DO
XOUT
XIN
LCHO
RCHO
1
3
67
TDD
TD
FD
SP
SL
31
72 25
66
63 61 62
49
48
65 64
42
45
RF AMP,
SYSTEM SERVO PROCESSOR,
DIGITAL SIGNAL PROCESSOR
IC701
39
29
61 63
54 62 55 52 53
64
X701
16.93MHz
C-CE
C-DIN
C-CLK
C-WRQ
C-XRT
C-DRF
C-FSEQ
C-DOUT
CD-DOOR
CD
BTT-CHK-H
65
P-CON
28
AC-CHK
SYSTEM CONTROLLER
IC802 (1/2)
CD +3.3V
REG
Q957-959,D957
BATTERY
CHECK
Q804,806
POWER
CONTROLLER
Q819,D802
AUDIO+6V
REG
Q955,D953
+3.3V REG
IC801
POWER
SWITCH
Q952,953
POWER
SWITCH
Q951
CD 3.3V
CD-CONT
S801
PUSH
OPEN/
CLOSE
3.3V
VDD (SW)
AUDIO 6V
D901 – 904
RECT
F902
T901
POWER
TRANSFORMER
J901
AC IN
Signal path
: CD
: CD (DIGITAL)
CLV,CAV
CONTROL
PLL
VCEC
SWITCH
ERROR
CORRECTION
AUDIO CD
A/D
CONVERTER,
SERVO
PROCESSOR
FRAME SYNC
DETECT,PROTECT
INSERT
EFM DECODER
INTERPOLATION
MUTE
&
ATTENUATION
DEEMPHASIS
8FS
DIGITAL
FILTER
&
1-bit DAC
LPF
SLICE
LEVEL
CONTROL
GENERAL
PURPOSE
PORT
COMMAND
INTERFACE
INTERFACE
CLOCK
GENERATOR
23
15
FD
SL
SP
TD
VREF
VREF
VREF
CD_IN_R
CD_IN_ L
DRY BATTERY
SIZE " D "
(IEC DESIGNATION R20)
6PCS, 9V
4.5V
4.5V
D/A
CONVERTER
PH/BH
RADIO 6V
CD 6V
40
BTT-CHK-M
41
V-CHECK
20
FDD
SPDO
SLDO
21 22 23
2
3
51
3.3V MONITOR
2
D951
Q801
Q815
BATT COM
VDD
AC-HI
U-COM
(VDD)
AUDIO
OUT
DOUT
IC705
IC705
39
2
OPTICAL
DIGITAL
OUT(CD)
6-3. BLOCK DIAGRAM — CD SECTION —
(Page 19)
(Page 19)
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