Block Diagram - Cd Section - Sony CFD-S39 Service Manual

CFD-S39
6-3. BLOCK DIAGRAM — CD SECTION —
MAIN BOARD (1/2)
CNP701
12 5
A
10 7
C
11 6
B
13 4
D
LD ON
7 10
LD
SWITCH
Q701
PD
5 12
14 3
E
9 8
F
VREF
OPTICAL PICK-UP
BLOCK
(KSS-213C)
3 14
TRACKING
2 15
COIL
4
13
FOCUS
1 16
COIL
CNP707
CNB702
M702
M
SLED
3 4
MOTOR
4 3
M701
M
1
SPINDLE 6
MOTOR
2 5
S701
5
2
(LIMIT)
6
1
CD MOTOR BOARD
KH503
S501
CD DOOR
2
OPEN/
1
CLOSE
• Signal path
: CD
R-ch : same as L-ch.
04
RF AMP & SYSTEM SERVO PROCESSOR
IC701
RF AMP
PD1 RF O
38 33
FOK
27
PD2
39
C. OUT
24
IIL
SENS1
25
SENS2
TTL
26
LASER
LD
36 DIODE
SERIAL/
CONTROL
PARALLEL
DATA
PD
37 CONVERTER 22
XLT
DECODER
21
CLK
TTL
20
FE AMP
IIL
E
42
XRST
23
F
41
COMMAND
51 VC
TRACKING FOCUS
PHASE PHASE
13 6 16
T+
TRACKING
17
TIN
19
T– COIL
18
DRIVE
F+
FOCUS
26
FIN
25
F– COIL
27
DRIVE
7
MUTE
SL+
SLED
2
SLIN
3
SL– MOTOR
1
DRIVE
SP+
SPINDLE
12
SPI
15
SP– MOTOR
11
DRIVE
OPTICAL PICK-UP
DRIVE
IC702
9
78 C-DOOR
RA6V
CD5V
– 19 –
DIGITAL SIGNAL PROCESSOR
IC703
RF
35 EFM DEMODULATOR
DIGITAL
FOK FILTER
18 SERIAL
&
INTERFACE
D/A
CONVERTER
D/A
CNIN
INTERFACE
11
SEIN
10 SERVO
AUT
SUB CODE
SEQ.
PROCESSOR
DATO
12
XLTO
13
CLKO
14
79 XRST
DIGITAL
CLV CPU INTERFACE
21 15 17 6 5 4 57 7 8 9 62 70•71
X701
16.9344MHz
6 5 8 7 1 12 11 10 68
CD
SYSTEM CONTROL
IC501 (1/2)
70 71
POWER KH302 CNP902
SWITCH
VDD (AU)
VDD
Q311, 312
5 1
VDD 5V REG
3 2
(UCOM) IC502
3 3
POWER
SWITCH COM 5V
Q313
VDD(SW)
1 5
3
AC-HI
MAIN
2 4
SECTION
PWM
1
AOUT1
AMP CD L-CH
65
MAIN
LOUT1
67
SECTION
AOUT2
76 R-CH
LOUT2
74
PWM
AMP
2
P. CONT
MAIN
SECTION
POWER
VDD SWITCH
Q951
D955 D951
POWER
VDD
SWITCH
Q952,953
VDD(SW)
5V REG
COM 5V
VDD(AU)
SECONDARY BOARD
D901 - 904
CNP906
2
1
D905 3
D906
5V REG
3 2
IC901 3
D907
1
AC
AC
DET
DET
Q406, 409
Q408
Q402 Q404
LEVEL LEVEL
DET DET
4
Q407 Q405
CNP901
PROTECT
SWITCH
Q401
– 20 –
D952
6V REG
Q954, 955
Q957
PRIMARY
T901
BOARD
POWER
TRANSFORMER
CNJ901
AC IN
KH902
2
1
3
KH901
3
4.5V
1
6V 4.5V
KH905 CNP904
4 1 1
2 2
BATTERY
BATTERY COMMON
BOARD BOARD