Sony CFD-S39 Service Manual ▷ View online
6-11. SCHEMATIC DIAGRAM — MAIN SECTION (3/3) —
CFD-S39
– 33 –
– 34 –
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.
•
C
: panel designation.
•
U
: B+ Line.
• Power voltage is dc 9 V and fed with regulated dc power
supply from battery terminal.
(Page 29)
(Page 24)
(Page 32)
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
no mark : FM
(
) : TAPE PLAY
<
> : CD STOP
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms
6
7
IC501
#™
IC501
&£
5.2Vp-p
5.4Vp-p
4.19MHz
32.768kHz
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
04
T901
POWER
TRANSFORMER
BATTERY COMMON BOARD
BATTERY BOARD
DRY BATTERY
SIZE " D "
(IEC DESIGNATION R20)
3PCS, 4.5V
DRY BATTERY
SIZE " D "
(IEC DESIGNATION R20)
3PCS, 4.5V
DRY BATTERY
SIZE " AA "
(IEC DESIGNATION R6)
4PCS, 6V
(BACK UP)
(11)
(11)
(11)
(11)
CFD-S39
– 35 –
– 36 –
6-12. PRINTED WIRING BOARDS — POWER SUPPLY SECTION — • Refer to page 17 for Circuit Boards Location.
D401
G-10
D402
F-10
D403
G-9
D404
G-9
D405
G-9
D406
F-8
D407
F-8
D408
G-8
D901
I-8
D902
I-8
D903
I-9
D904
I-9
D905
G-7
D906
G-8
D907
G-8
D908
I-9
D909
I-9
D910
I-10
IC901
F-8
Q401
G-10
Q402
G-10
Q404
F-9
Q405
F-8
Q406
F-9
Q407
G-9
Q408
F-10
Q409
F-10
• Semiconductor
Location
Ref. No.
Location
Note:
• X
: parts extracted from the component side.
• b
: Pattern from the side which enables seeing.
(Page 27)
CFD-S39
– 37 –
6-13. SCHEMATIC DIAGRAM — POWER SUPPLY SECTION —
– 38 –
• Total current is measured with no cassette installed.
• Voltage and waveforms are dc with respect to ground
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : DC 9V from battery terminal.
(
no mark : DC 9V from battery terminal.
(
) : AC 120V from AC inlet.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
(Page 30)
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.
•
C
: panel designation.
•
U
: B+ Line.
Note: The components identified by mark
!
or dotted line
with mark
!
are critical for safety.
Replace only with part number specified.
SOUND BOARD
(11)
MAIN BOARD
CNB311
1
5
10
16
32
30
25
20
17
04
1
A
B
C
D
2
3
4
5
– 39 –
– 40 –
CFD-S39
6-15. SCHEMATIC DIAGRAM — SOUND SECTION —
6-14. PRINTED WIRING BOARD — SOUND SECTION — • Refer to page 17 for Circuit Boards Location.
Note on Schematic Diagram:
• 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.
•
C
: panel designation.
•
U
: B+ Line.
• Power voltage is dc 9 V and fed with regulated dc power
supply from battery terminal.
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
no mark : FM
• 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
Note on Printed Wiring Boards:
• X
: parts extracted from the component side.
• b
: Pattern from the side which enables seeing.
(Page 27)
(Page 29)
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