Sony CFD-S38 / CFD-S55 Service Manual ▷ View online
CFD-S38
6-3. BLOCK DIAGRAM — CD SECTION —
– 17 –
– 18 –
A
B
C
E
F
D
LD
PD
LD ON
SWITCH
Q701
LASER
DIODE
CONTROL
PD1
PD2
LD
PD
E
F
VC
RF AMP
12
10
11
13
14
7
5
9
5
CNP901
7
6
4
10
12
3
8
3
2
4
1
14
15
13
16
SERIAL/
PARALLEL
CONVERTER
DECODER
COMMAND
FE AMP
VREF
TTL
IIL
XRST
CLK
XLT
DATA
SENS2
SENS1
C. OUT
FOK
RF O
IIL
TTL
42
41
51
13
36
39
37
23
20
21
22
26
25
24
33
27
38
RF AMP & SYSTEM SERVO PROCESSOR
IC701
TRACKING
PHASE
FOCUS
PHASE
PHASE
6
16
TAO
FEO
SLO
19
17
18
TRACKING
COIL
DRIVE
25
7
FOCUS
COIL
DRIVE
TIN
FIN
3
SLED
MOTOR
DRIVE
SLIN
15
SPINDLE
MOTOR
DRIVE
SPI
MUTE
T+
T–
26
27
F+
F–
2
1
SL+
SL–
12
11
SP+
SP–
3
4
4
3
TRACKING
COIL
FOCUS
COIL
OPTICAL PICK-UP
BLOCK
(KSS-213C)
M
1
2
6
5
5
6
2
1
M
M702
SLED
MOTOR
M701
SPINDLE
MOTOR
CNB702
CNP707
OPTICAL PICK-UP
DRIVE
IC702
2
1
S701
(LIMIT)
CD MOTOR BOARD
RF
FOK
CNIN
SEIN
DATO
XLTO
CLKO
XRST
SERVO
AUT
SEQ.
D/A
INTERFACE
SUB CODE
PROCESSOR
EFM DEMODULATOR
DIGITAL
CLV
CPU INTERFACE
MDP
XLON
SENS
SQSO
SCOR
SPOA
SQCK
DATA
XLAT
CLOK
SYSM
XTAI
XTAO
SERIAL
INTERFACE
DIGITAL
FILTER
&
D/A
CONVERTER
AOUT1
LOUT1
AOUT2
LOUT2
PWM
AMP
PWM
AMP
CD L-CH
R-CH
MAIN
SECTION
1
2
35
18
11
10
12
13
14
79
21
15 17
6 5
57
4
7 8 9 62
70•71
65
67
76
74
DIGITAL SIGNAL PROCESSOR
IC703
9
70
78
5
6
8 7
12 11 10 68
1
X701
16.9344MHz
XRST
SENS2
SENS1
SQSO
SQCK
SCOR
DATA
XLAT
CLK
MUTE
C-DOOR
CD
RADIO
71
CD
SYSTEM CONTROL
IC501 (1/2)
POWER
SWITCH
Q311, 312
POWER
SWITCH
Q313
5V REG
IC502
VDD (AU)
RA6V
COM 5V
CD5V
KH503
S501
CD DOOR
OPEN/
CLOSE
5
3
1
3
3
2
5V REG
IC901
3
2
VDD
(UCOM)
VDD
KH302
1
5
2
4
3
1
4
3
1
4
2
1
3
CNP902
POWER
SWITCH
Q951
POWER
SWITCH
Q952,953
6V REG
Q954, 955
5V REG
Q957
P. CONT
VDD
VDD
MAIN
SECTION
D955
D951
D952
VDD(SW)
COM 5V
VDD(AU)
SECONDARY BOARD
VDD(SW)
AC-HI
LEVEL
DET
Q407
LEVEL
DET
Q405
AC
DET
Q406, 409
AC
DET
Q408
PROTECT
SWITCH
Q401
Q402
Q404
D907
D906
D905
2
1
3
KH901
CNP901
BATTERY
BOARD
BATTERY
COMMON
BOARD
PRIMARY
BOARD
1
2
1
2
KH902
CNP906
D901 - 904
T901
POWER
TRANSFORMER
CNJ901
AC IN
6V
4.5V
4.5V
KH905
CNP904
3
MAIN
SECTION
MAIN BOARD (1/2)
04
• Signal path
: CD
6-4. BLOCK DIAGRAM — MAIN SECTION —
CFD-S38
– 19 –
– 20 –
CD SECTION
1
CD L-CH
24
5
6
21
22
4
CNP301
CNP305
CNP304
L-CH
R-CH
HRP301
RECORD/PLAYBACK
HEAD
HE301
ERASE HEAD
R-CH
DET
ALC 2
RADIO L
20
18
15
OUT-L
OUT-R
TAPE
Q308
R-CH
31
23
24
21
IN1
SURROUND
TONE
VOL
OUT1
BC
CONTROL
VC
20
CK
19
DATA
18
LATCH
VOLUME/SOUND CONTROL
IC302
STBY
12
10
3
5
8
POWER AMP
IC303
P.CONT
DBB
CONTROL
Q309
R-CH
KH306
CNP306
R-CH
R-CH
SP301
SPEAKER
L-CH
SP302
SPEAKER
R-CH
J301
2
1
3
2
1
3
HEADPHONE
BOARD
REF
CD L
REC L
Q322-325
REC
T301
BIAS OSC
Q301
Q321
Q326
4
3
2
1
2
COM5V
S305
(REC)
REC
13
F-TAPE
69
A-MUTE
CLOCK
DATA
CE
P-CON
66
29
38–41
43–64
73•74
23–25
79
17 16 15 21
TC PLAY
LIQUID CRYSTAL
DISPLAY
LCD501
KH303
1
1
KH2
2
19
4 3 5
12 13
SYSTEM CONTROL
IC501 (2/2)
20 19
67
18
21
COM0
|
COM3
SEG0
|
SEG22
CE
CLK
DATA
COUNT
SFT-CLK
30
RST
MUTE
2
RMC
8
REG CHK
KEY1
|
KEY3
31
EXTAL1
32
XTAL1
TX
TXE
TUNER
21
20
X501
4.19MHz
X502
32.768kHz
CLOCK
SHIFT
Q505, 506
RESET
IC503
IF REQ
Q13
H. FREQ.
CUT
Q12
Q12
POWER
SWITCH
Q503
POWER
CONTROL
Q501
POWER
SWITCH
Q502
VDD (UCOM)
KH506
5
5
4
4
1
1
3
3
2
2
KH1
VOL
1,2,4
7
1,2,4
7
S601-607
S609-614
S617-624
S609-614
S617-624
1
3
IR
RECEIVE
IC601
CNP602
CNP502
6
6
8
8
VDD (SW)
D601
OPR/BATT
VDD (UCOM)
AC HI
CD
SECTION
3
Signal path
: FM
: AM
: PLAY
: REC
: CD
: FM
: AM
: PLAY
: REC
: CD
R-ch : same as L-ch.
CE
CL
DI
DO
AM IN
FM IN
XOUT
XIN
14
MO/ST
11
IF IN
MO/ST
BAND
ST-IND
OSC
10
BAND
8
BAND
9
ST-IND
LP
AM
OSC
AM
MIX
AM
MIX
FM
OSC
AM RF
FM
RF
RF
X1
75kHz
PLL
IC2
14
17
13
18
16
15
11
12
19
20
22
4
6
7
10
2
21
24
T1
CF4
L2
L1
RA6V
RA6V
D1 D2
CT3
D3
L3
AM
FERRITE-ROD
ANTENNA
CT3,L3
AM
TRACKING
CT1,L1
FM
TRACKING
BPF
FL1
ANT1
FM
TELESCOPIC
ANTENNA
IF
BUFFER
AM
DET
FM
DET
IF CUT
AF
BUFFER
FM
MPX
MUTE
IF CUT
R
L
R-CH
CF3
RA6V
QUAD
FM/AM FRONT-END, IF DET,
FM STEREO DEMODULATOR
IC1
FREQUENCY
COVERAGE
L4
L4
2
1
CF1
RA6V
TUNER BOARD
CONTROL BOARD
04
3
4
5
VDD(SW)
S303
TAPE
TAPE
PLAY
S304
MOTOR
ON/OFF
M
M301
CAPSTAN/
REEL
MOTOR
MAIN BOARD (2/2)
REF
CD
SECTION
2
REC/PB
PRE-AMP
IC301
CFD-S38
– 21 –
– 22 –
6-5. SCHEMATIC DIAGRAM — TUNER SECTION — • Refer to page 37 for IC Block Diagrams.
CT1,L1
FM
TRACKING
L2
FM FREQUENCY
COVERAGE
CT3,L4
AM
TRACKING
C14,15
US,CND,E MODEL : 0.018
AR,SP MODEL : 0.015
US,CND,E MODEL : 0.018
AR,SP MODEL : 0.015
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
¢
: internal component.
•
U
: B+ Line.
•
H
: adjustment for repair.
• Power voltage is dc 9 V and fed with regulated dc power
supply from battery terminal.
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
no mark : FM
(
) : AM
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Signal path.
F
: FM
f
: AM
(Page 31)
(Page 27)
• Abbreviation
AR
: Argentine model.
CND : Canadian model.
SP
SP
: Singapore model.
CFD-S38
– 23 –
6-6. PRINTED WIRING BOARD — TUNER SECTION — • Refer to page 16 for Circuit Boards Location.
– 24 –
1
A
B
C
D
E
F
G
H
2
3
4
5
04
CNP1
CNP2
C97
(11)
Note:
• X
: parts extracted from the component side.
•
¢
: internal component.
• b
: Pattern from the side which enables seeing.
6-7. PRINTED WIRING BOARD — CONTROL SECTION — • Refer to page 16 for Circuit Boards Location.
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
04
(11)
Note:
• X
: parts extracted from the component side.
• b
: Pattern from the side which enables seeing.
(Page 26)
(Page 26)
(Page 26)
D1
D-1
D2
D-4
D3
B-4
D5
H-5
D6
G-5
D10
B-1
D11
B-1
IC1
F-4
IC2
F-1
Q12
D-3
Q13
D-2
• Semiconductor
Location
(tuner board)
(tuner board)
Ref. No.
Location
Click on the first or last page to see other CFD-S38 / CFD-S55 service manuals if exist.