Sony CFD-910 (serv.man2) Service Manual ▷ View online
– 9 –
– 10 –
– 12 –
– 11 –
CFD-910
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.
•
¢
: internal component.
•
1
: fusible resistor.
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 9V and fed with regulated dc power
supply from battery terminal.
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : FM (Radio section), CD STOP (CD section)
no mark : FM (Radio section), CD STOP (CD 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.
• Signal path.
F
: FM
E
: PB (L-CH)
d
: PB (R-CH)
a
: REC (L-CH)
G
: REC (R-CH)
J
: CD
r
SCHEMATIC DIAGRAM (MAIN SECTION)
– 15 –
– 16 –
– 13 –
– 14 –
CFD-910
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 9V and fed with regulated dc power
supply from battery terminal.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : FM (Radio section), CD STOP (CD section)
no mark : FM (Radio section), CD STOP (CD section)
PLAY (Tape section)
(
) : AM (Radio section), REC (Tape section)
• 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
r
Waveforms
r
SCHEMATIC DIAGRAM (CD SECTION)
1
IC701
#¡
(RFO)
1.0 – 1.4
Vp-p
Vp-p
VOLT/DIV : 200 mV AC
TIME/DIV : 0.5
TIME/DIV : 0.5
µ
sec
4
IC702
#¡
(MNT3)
VOLT/DIV : 1 V AC
TIME/DIV : 50
TIME/DIV : 50
µ
sec
2
IC702
@∞
(XPCK)
VOLT/DIV : 1 V AC
TIME/DIV : 0.1 msec
TIME/DIV : 0.1 msec
5
IC702
#™
(MNT1)
VOLT/DIV : 1 V AC
TIME/DIV : 50
TIME/DIV : 50
µ
sec
3
IC702
@•
(RFCK)
VOLT/DIV : 1 V AC
TIME/DIV : 50
TIME/DIV : 50
µ
sec
6
IC702
#∞
(XTAO)
VOLT/DIV : 0.2 V AC
TIME/DIV : 50 nsec
TIME/DIV : 50 nsec
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
0.8 Vp-p
16.9344 MHz
(PLAY MODE)
– 17 –
r
CHANGE OF EXPLODED VIEWS
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.
• Hardware (# mark) list and accessories and
packing materials are given in the last of this
parts list.
parts list.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
8-1. FRONT CABINET SECTION
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-3373-931-1 CABINET (FRONT) SUB ASSY
2
3-009-193-01 KNOB (VOL)
3
3-011-331-11 WINDOW, TU (E)
3
3-011-331-21 WINDOW, TU (AEP)
4
3-009-191-01 POINTER
5
3-009-190-01 KNOB (TU)
* 6
3-009-189-01 CHASSIS, TU
* 7
1-665-031-21 LCD SW BOARD
8
4-951-620-01 SCREW (2.6X8), +BVTP
9
3-014-933-01 SHEET (B), ADHESIVE
10
3-703-397-01 STOPPER, WIRING
LCD801 1-810-442-31 DISPLAY PANEL, LIQUID CRYSTAL
SP901
SP901
1-505-531-11 SPEAKER (10cm) (L-CH)
SP902
1-505-531-11 SPEAKER (10cm) (R-CH)
(Service Manual See page 33 to 38)
#6
#6
#6
#6
#6
#1
#1
#1
#1
#1
SP902
LCD801
SP901
1
2
3
4
5
6
7
8
8
not
supplied
supplied
10
9
– 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
3-009-196-01 BUTTON (REC)
60
3-009-199-01 BUTTON (PLAY)
61
3-009-198-01 BUTTON (REW)
62
3-009-197-01 BUTTON (FF)
63
3-009-200-01 BUTTON (STOP)
64
3-009-195-01 BUTTON (PAUSE)
* 65
3-009-206-01 SHAFT (MD)
66
3-009-214-01 SPRING, REC
67
4-951-620-01 SCREW (2.6X8), +BVTP
* 68
1-665-041-11 REC SW BOARD
69
3-009-201-01 HANDLE
70
3-923-736-01 COVER, CD
71
3-910-095-31 RUBBER, VIBRATION PROOF (RED)
72
3-910-095-21 RUBBER, VIBRATION PROOF (GREEN)
73
1-777-955-11 WIRE (FLAT TYPE) (16 CORE)
74
1-639-678-12 CD MOTOR BOARD
75
3-923-151-01 CUSHION, RUBBER
* 76
1-665-042-11 MONO/ST BOARD (AEP)
77
7-623-957-11 SPACER (PICK)
78
3-015-646-01 CUSHION (CD)
79
3-831-441-11 CUSHION (F)
80
3-831-441-99 CUSHION, SPEAKER
S871
1-692-960-11 SWITCH, PUSH (1 KEY) (OPEN/CLOSE)
8-2. UPPER CABINET SECTION
#1
#1
#1
#1
#1
#2
#1
#1
S871
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
76
72
73
74
77
79
80
78
75
AEP Model
KSM-213CDM
MF-V10-117
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