DOWNLOAD Sony CFD-S38 / CFD-S55 Service Manual ↓ Size: 4.52 MB | Pages: 43 in PDF or view online for FREE

Model
CFD-S38 CFD-S55
Pages
43
Size
4.52 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
cfd-s38-cfd-s55.pdf
Date

Sony CFD-S38 / CFD-S55 Service Manual ▷ View online

CFD-S38
– 25 –
– 26 –
6-8. PRINTED WIRING BOARDS — MAIN SECTION —  • Refer to page 16 for Circuit Boards Location.
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
13
14
1-658-023-
S701
(LIMIT)
M702
SLED MOTOR
CNP707
31
M
M701
SPINDLE MOTOR
M
1
6
HEADPHONE BOARD
CD MOTOR BOARD
04
2
L-CH
HRP301
RECORD/PLAYBACK HEAD
R-CH
1
S305
(REC)
2
1
6
M301
CAPSTAN/REEL
MOTOR
S304
(TAPE PLAY)
S303
(MOTOR
ON/OF)
M
1
2
3
4
CNP1
CNP2
(11)
C318
C593
C362
C586
C587
C739
(11)
US,CND,E MODEL
AR,SP
MODEL
(Page 23)
(Page 24)
(Page 23)
(Page 34)
CFD-S38
– 27 –
6-9. SCHEMATIC DIAGRAM — MAIN SECTION (1/3) —  • Refer to page 37 for IC Block Diagrams.
– 28 –
Note on Printed Wiring Boards:
• X
: parts extracted from the component side.
• b
: Pattern from the side which enables seeing.
• Abbreviation
AR
: Argentine model.
CND : Canadian model.
SP
: Singapore model.
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted.  pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in 
 and 
1
/
4
 
W or less unless otherwise
specified.
C
: panel designation.
U
: B+ Line.
• 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 : PB
(
) : REC
• Voltages are taken with a VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Signal path.
F
: FM
E
: PB
a
: REC
Ref. No.
Location
D302
C-5
D303
H-5
D351
D-3
D501
D-6
D951
H-5
D952
H-5
D953
I-4
D955
H-5
D957
I-5
IC301
F-8
IC302
F-5
IC303
I-6
IC304
I-8
IC501
C-8
• Semiconductor Location
Ref. No.
Location
IC502
D-6
IC503
B-10
IC701
H-13
IC702
H-11
IC703
E-13
Q301
C-5
Q308
E-5
Q309
E-4
Q311
F-9
Q312
E-10
Q313
F-10
Q321
C-6
Q322
C-5
Q323
C-5
Ref. No.
Location
Q324
C-5
Q325
C-4
Q326
C-5
Q501
D-8
Q502
D-8
Q503
C-11
Q505
B-10
Q506
B-10
Q701
I-11
Q951
H-4
Q952
H-4
Q953
H-4
Q954
H-4
Q955
I-4
Q957
H-5
(Page 36)
(Page 30)
(Page 22)
(Page 31)
US,CND,E
MODEL
AR,SP
MODEL
CFD-S38
– 29 –
– 30 –
6-10. SCHEMATIC DIAGRAM — MAIN SECTION (2/3) —  • Refer to page 38 for IC Block Diagrams.
Note:
• All capacitors are in µF unless otherwise noted.  pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in 
 and 
1
/
4
 
W or less unless otherwise
specified.
U
: B+ Line.
• 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 conditions.
no mark : CD STOP
• Voltages are taken with a VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Signal path.
J
: CD
• Abbreviation
AR
: Argentine model.
CND : Canadian model.
SP
: Singapore model.
(Page 27)
(Page 31)
Note:
The components identi-
fied by mark 
!
 or dotted
line with mark 
!
 are criti-
cal for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque 
!
 sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
Approx. 100mVp-p
IC701  
  (TEI)
• Waveforms
(MODE:PLAY)
1
2
3
4
5
2.5V
1.2±0.1Vp-p
Approx. 200mVp-p
IC701  
1
  (FEO)
2.5V
IC703  
  (MDP)
2Vp-p
7.6
µ
sec
16.9344MHz
IC703  
  (XTAO)
2.2Vp-p
IC701  
  (RFO)
R527
US,CND,E MODEL : 1.5k
AR,SP MODEL : 4.7k
6-11. SCHEMATIC DIAGRAM — MAIN SECTION (3/3) —
CFD-S38
– 31 –
– 32 –
Note:
• All capacitors are in µF unless otherwise noted.  pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in 
 and 
1
/
4
 
W or less unless otherwise
specified.
C
: panel designation.
U
: B+ Line.
• 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
(
) : TAPE
<
> : CD STOP
• Voltages are taken with a VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Abbreviation
AR
: Argentine model.
CND : Canadian model.
SP
: Singapore model.
(Page 27)
(Page 22)
(Page 30)
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