Sony CFD-S23 (serv.man3) Service Manual ▷ View online
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SCHEMATIC DIAGRAM – MAIN SECTION (1/2) –
CFD-S23
1
2
3
VOLT/DIV : 0.2 V AC
TIME/DIV : 10
TIME/DIV : 10
µ
sec
VOLT/DIV : 1 V AC
TIME/DIV : 0.1
TIME/DIV : 0.1
µ
sec
VOLT/DIV : 1 V AC
TIME/DIV : 20
TIME/DIV : 20
µ
sec
IC3
1
(X OUT)
IC801
&™
(XTAL)
IC801
#º
(TX)
1.1 Vp-p
75 kHz
3.6 Vp-p
4.19 MHz
4.4 Vp-p
32.768 kHz
r
Waveforms
Note:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
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.
Note: The components identified by mark
!
or dotted
line with mark
!
are critical for safety.
Replace only with part number specified.
•
U
: B+ Line.
• Power voltage is dc 9 V and fed with regulated dc power
supply from external power voltage jack.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM (Radio Section) PLAY (Tape Section)
(
no mark : FM (Radio Section) PLAY (Tape Section)
(
) : AM (Radio Section) REC (Tape Section)
• Voltages and currents are taken with a VOM (Input im-
pedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
F
: FM
E
: PB (L-CH)
d
: PB (R-CH)
a
: REC (L-CH)
G
: REC (R-CH)
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– 13 –
– 14 –
CFD-S23
r
SCHEMATIC DIAGRAM – MAIN SECTION (2/2) –
r
Waveforms
1
IC701
#¡
(RFO)
4
2
5
3
6
(PLAY MODE)
VOLT/DIV : 0.2 V AC
TIME/DIV : 0.5
TIME/DIV : 0.5
µ
sec
IC702
@∞
(XPCK)
VOLT/DIV : 1 V AC
TIME/DIV : 0.1 msec
TIME/DIV : 0.1 msec
VOLT/DIV : 1 V AC
TIME/DIV : 50
TIME/DIV : 50
µ
sec
VOLT/DIV : 1 V AC
TIME/DIV : 50
TIME/DIV : 50
µ
sec
VOLT/DIV : 1 V AC
TIME/DIV : 50
TIME/DIV : 50
µ
sec
VOLT/DIV : 0.2 V AC
TIME/DIV : 50 nsec
TIME/DIV : 50 nsec
IC702
@•
(RFCK)
IC702
#¡
(MNT3)
IC702
#™
(MNT1)
IC702
#∞
(XTAO)
1.0 – 1.4
Vp-p
Vp-p
4.8 Vp-p
242.0
µ
sec
5.3 Vp-p
140.5
µ
sec
5.3 Vp-p
140.5
µ
sec
5.3 Vp-p
140.5
µ
sec
1.1 Vp-p
16.9344 MHz
Note:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
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.
Note: The components identified by mark
!
or dotted
line with mark
!
are critical for safety.
Replace only with part number specified.
•
U
: B+ Line.
•
H
: adjustment for repair.
• Power voltage is dc 9 V and fed with regulated dc power
supply from external power voltage jack.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : CD STOP
no mark : 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 are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
J
: CD
– 17 –
NOTE :
• -XX, -X mean standardized parts, so they
may have some difference from the original
one.
one.
• Color indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE) ••• (RED)
KNOB, BALANCE (WHITE) ••• (RED)
↑
↑
Parts color Cabinet's color
• Items marked “ * ”are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
delay should be anticipated when ordering
these items.
• The mechanical parts with no reference
number in the exploded views are not
supplied.
supplied.
• Accessories and packing materials are given
in the last of this parts list.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
7-1. FRONT CABINET SECTION
• Abbreviation
IT
: Italian
AUS : Australian
SP
: Singapore
KR
: Korean
EE
: East European
The components identified by mark
!
or dotted line with mark
! are critical
for safety.
Replace only with part number specified.
Replace only with part number specified.
1
X-3373-392-1 NET (R) ASSY
2
X-3373-391-1 NET (L) ASSY
3
X-3373-395-1 CABINET (FRONT) ASSY
4
4-951-620-01 SCREW (2.6X8), +BVTP
* 5
1-665-045-11 SW BOARD
6
3-009-228-01 WINDOW, INDICATION (EE, Russian)
6
3-009-228-11 WINDOW, INDICATION (EXCEPT EE, Russian)
C851
1-162-199-31 CERAMIC
10PF
5%
50V
SP901
1-505-531-11 SPEAKER (10cm) (L-CH)
SP902
1-505-531-11 SPEAKER (10cm) (R-CH)
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CHANGE OF EXPLODED VIEWS
(Service Manual See page 33 to 38)
#1
#1
#1
#8
#8
#8
#1
#1
#8
#8
#1
SP901
SP902
1
2
3
4
4
5
6
C851
– 18 –
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
3-009-208-01 SPRING, CASSETTE UP
52
3-922-112-11 DAMPER
53
3-009-186-01 CABINET (UPPER)
54
3-009-209-01 SPRING, CD UP
55
3-019-395-01 PLATE, CHUCKING (FOR KSM-213CDM)
(NEW TYPE)
55
3-923-498-01 PLATE, CHUCK (FOR KSM-213CAM)
(FORMER TYPE)
56
1-452-899-11 MAGNET
57
3-009-187-01 LID, CD
58
X-3373-389-1 HOLDER SUB ASSY, CASSETTE
* 59
3-009-206-01 SHAFT (MD)
60
3-009-196-01 BUTTON (REC)
61
3-009-199-01 BUTTON (PLAY)
62
3-009-198-01 BUTTON (REW)
63
3-009-197-01 BUTTON (FF)
64
3-009-200-01 BUTTON (STOP)
65
3-009-195-01 BUTTON (PAUSE)
66
4-951-620-01 SCREW (2.6X8), +BVTP
* 67
1-666-265-11 REC SW BOARD
68
3-009-201-01 HANDLE
69
3-923-736-01 COVER, CD
70
1-777-955-11 WIRE, PARALLEL (16 CORE)
71
3-910-095-31 RUBBER, VIBRATION PROOF (RED)
72
3-910-095-21 RUBBER, VIBRATION PROOF (GREEN)
73
1-639-678-12 CD MOTOR BOARD
74
3-009-214-01 SPRING, REC
75
3-015-646-01 CUSHION (CD)
76
3-923-151-01 CUSHION, RUBBER
77
7-623-957-11 SPACER (PICK)
78
3-831-441-99 CUSHION, SPEAKER
S871
1-692-960-11 SWITCH, PUSH (1 KEY) (DOOR OPEN/CLOSE)
7-2. UPPER CABINET SECTION
S871
#1
#1
#1
#1
#1
#1
#1
#1
#2
#6
51
52
53
54
55
56
57
76
58
59
66
67
74
68
69
70
71
71
72
72
73
60
61
62
63
64
65
77
MF-V10-117
KSM-213CDM
75
78
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