Sony CFSKW-300-S Service manual
• DISCRIMINATION
2
CFS-KW300S
SERVICE MANUAL
Ver 1.0 1999. 12
SUPPLEMENT-3
File this supplement with the service manual.
Subject:
1. Circuit Change
2. Correction and change
Because of change made to circuit, schematic diagram, printed
wiring board, exploded view (5-5. SPEAKER Section) and electrical
parts list are released.
(SPM-99047)
E Model
– MAIN BOARD (Conductor Side) –
Former: 1-648-393-11
New : 1-648-393-22
– POWER BOARD (Component Side) –
– TERMINAL BOARD (Component Side) –
Former: 1-648-391-11
New : 1-657-123-12
Former: 1-648-390-11
New : 1-657-120-12
TABLE OF CONTENTS
1. CIRCUIT CHANGE
• Printed Wiring Board .................................................... 6
• Schematic Diagram ...................................................... 9
2. CORRECTION AND CHANGE
• Exploded Views ............................................................ 16
• Electrical Parts List....................................................... 20
– ECHO BOARD (Component Side) –
Former: 1-648-388-11
New : 1-665-605-11
– CONTROL BOARD (Component Side) –
Former: 1-648-392-11
New : 1-657-121-12
– VOL LED BOARD (Component Side) –
Former: 1-648-389-11
New : 1-657-122-1
– 2 –
– 3 –
CFS-KW300S
• PRINTED WIRING BOARD
1. Circuit Change
• Semiconductor Location
Ref. No. Location
D1 F-4
D2 F-4
D5 B-4
D101 B-18
D102 A-18
D201 B-18
D202 A-18
D303 B-6
D304 B-6
D305 E-8
D306 E-7
D307 E-7
D308 F-8
D310 D-5
D311 F-13
D314 G-6
D315 E-6
D316 C-6
D317 C-13
D324 D-13
D325 B-14
D326 F-11
D327 C-6
D501 I-11
D502 I-11
D503 I-11
D504 I-11
D505 J-11
D506 J-11
D507 J-11
D508 J-11
D509 J-11
D510 J-11
D511 J-9
D512 J-10
D513 K-11
D515 J-13
D516 J-12
D601 J-6
D602 J-1
D901 B-16
D902 C-16
D903 C-17
D904 C-17
D905 C-17
IC1 E-2
IC301 F-10
IC302 C-10
IC303 E-6
IC304 C-12
IC306 E-20
IC501 I-13
IC502 J-13
IC503 J-13
Ref. No. Location
IC504 J-13
IC505 J-12
IC601 J-3
IC602 J-5
Q1 B-4
Q2 F-1
Q3 B-4
Q4 B-4
Q101 G-11
Q103 F-11
Q104 C-8
Q105 B-20
Q106 G-20
Q201 G-9
Q203 C-12
Q204 B-8
Q205 B-19
Q206 G-20
Q302 F-13
Q303 B-6
Q306 F-7
Q307 E-7
Q308 E-6
Q310 D-6
Q311 D-13
Q312 D-12
Q314 F-13
Q315 G-5
Q316 G-6
Q317 G-6
Q318 G-5
Q320 D-13
Q321 D-6
Q322 B-18
Q327 C-20
Q329 B-18
Q330 D-13
Q331 C-1
Q332 E-8
Q333 G-12
Q334 D-8
Q501 J-15
Q502 J-14
Q503 I-12
Q504 J-15
Q505 J-14
Q506 J-13
Q507 J-9
Q508 J-10
Q601 I-2
Q602 J-2
Q603 K-4
Q604 J-4
– 5 –
Note on Printed Wiring Boards:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
• W : indicates side identified with part number.
f
•
• b : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
: internal component.
– 6 –
– 7 –
– 8 –
• SCHEMATIC DIAGRAM • See page 15 for Waveforms.
CFS-KW300S
• IC Block Diagram
– ECHO Board –
IC602 BU9255FS-E2
MUTE
14
3
BIAS
VCC
ADINT IN
13
A/D
STATIC
RAM
D/A
4
DAINT IN
ADINT OUT
12
5
DAINT OUT
ADLPF OUT
11
6
DALPF IN
ADLPF IN
7
DALPF OUT
MIX IN
9
MIX
8
MIX OUT
10
–
+
+
–
COUNTER
1
GND
16
OSC
2
CR
15
ECHO VR
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 Ω and 1/
specified.
f
•
: internal component.
4
W or less unless otherwise
• 2 : nonflammable resistor.
• 5 : fusible resistor.
Note: The components identified by mark 0 or dotted line
with mark 0 are critical for safety.
Replace only with part number specified.
• U : B+ Line.
• H : adjustment for repair.
• Total current is measured with no cassette installed.
• Power v oltage is dc 12 V and fed with regulated dc po wer
supply from battery terminal.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
( ) : SW1/2
< > : MW
[ ] : TAPE PLAYBACK (DECK A)
{ } : TAPE PLAYBACK (DECK B)
〈〈 〉〉 : TAPE RECORD (DECK B)
• Voltages are tak en with a V OM (Input impedance 10 MΩ).
Voltage var iations may be noted due to normal production tolerances.
• Waveforms are taken with a oscilloscope.
Voltage var iations may be noted due to normal production tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F : FM
f : MW
E : TAPE PLAYBACK (DECK A)
d : TAPE PLAYBACK (DECK B)
G : TAPE RECORD (DECK B)
N : MIC INPUT
• Abbreviation
EA : Saudi Arabia model
UAE : United Arab Emirates model
– 9 –
– 10 –
– 11 –
– 12 –
– 13 –
• Waveforms
27
#5
#4
#4
32
33
34
35
37
38
30
29
31
#3
#3
#2
#6
#6
ANT1
#2
6
A
– MAIN Board–
1 Q302 (Base) (Record Mode)
500mV/DIV, 5µs/DIV
11.6 µs
2 Q302 (Collector) (Record Mode)
1V/DIV, 5µs/DIV
11.6 µs
3 Q302 (Emitter) (Record Mode)
200mV/DIV, 5µs/DIV
11.6 µs
4 Q334 (Collector) (Record Mode)
50mV/DIV, 5µs/DIV
1 Vp-p
3.8 Vp-p
0.5 Vp-p
0.2 Vp-p
– CONTROL Board –
6 IC501 7
2V/DIV, 1µs/DIV
2 µs
4.4 Vp-p
2. Correction And Change
• EXPLODED VIEWS
NOTE:
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
↑↑
Parts Color Cabinet's Color
• Abbreviation
EA : Saudi Arabia model
UAE : United Arab Emir ates model
5-1. CABINET SECTION
• Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
• The mechanical parts with no reference number in the exploded views are not supplied.
• Hardware (# mark) list and accessories and
packing materials are given in the last of the
electrical parts list.
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
& : Indicates cancelled portion.
! : Indicates corrected portion.
Page INCORRECT CORRECT
Ref. No. Part No. Description Remark
3 3-389-430-01 HOLDER (L), CASSETTE
4 3-389-431-01 HOLDER (R), CASSETTE
20
5 3-389-432-01 WINDOW, DIAL (E, E23, UAE)
5 3-389-432-11 WINDOW, DIAL (EA)
* 12 A-3264-466-A ECHO BOARD, COMPLETE
)
Ref. No. Part No. Description Remark
3 3-389-430-01 HOLDER (A), CASSETTE
4 3-389-431-01 HOLDER (B), CASSETTE
5 3-389-432-01 WINDOW, DIAL
* 12 A-3306-555-A ECHO BOARD, COMPLETE
$
Page INCORRECT CORRECT
20
22
21
#1
23
20
#7
#3
19
#3
24
18
17
25
#9
26
!
23
#3
!
42
#
$
43
41
21
22
44
#1
#3
@
#7
20
$
$
19
#3
18
17
24
25
@
#10
@
26
#3
Page INCORRECT CORRECT
27
20
Ref. No. Part No. Description Remark
* 33 1-648-391-11 TERMINAL BOARD
38 X-3366-798-1 HANDLE ASSY
ANT1 1-501-542-11 ANTENNA, TELESCOPIC
^
T901
#5
#4
#4
#
Ref. No. Part No. Description Remark
33 1-657-123-11 TERMINAL BOARD
38 3-389-435-02 HANDLE (FRONT)
ANT1 1-501-480-11 ANTENNA, TELESCOPIC
#4
32
#2
29
#3
31
33
not supplied
30
#3
34
$
0 T901 1-423-785-11 TRANSFORMER, POWER
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
Page INCORRECT CORRECT
39
@
10
20
#1
11
10
ANT1
35
@
#6
@
@
11
38
#15
37
$
#
5-3. MECHANISM DECK SECTION-2 (MF-KW300S)
Page INCORRECT CORRECT
Ref. No. Part No. Description Remark
107 3-362-974-01 GEAR, CAM
Ref. No. Part No. Description Remark
107 X-3363-315-1 GEAR ASSY, CAM
$
117 3-363-228-01 SPRING (DECK A)
22
S952 1-572-538-11 SWITCH, LEAF (B-MAIN)
S953 1-572-538-11 SWITCH, LEAF (A-MAIN)
S955 1-571-745-11 SWITCH, LEAF (AMPS) (DECK A)
5-4. MECHANISM DECK SECTION-3 (MF-KW300S)
Page INCORRECT CORRECT
152 3-362-963-01 REEL, S
117 3-917-805-01 SPRING (DECK A)
$
S952 1-571-556-11 SWITCH, LEAF (A-MAIN)
S953 1-571-556-11 SWITCH, LEAF (B-MAIN)
S955 1-571-745-11 SWITCH, LEAF (AMS) (DECK A)
Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark
152 X-3363-611-1 REEL, ASSY
$
23
183 3-363-228-01 SPLING (DECK B)
183 3-917-805-01 SPRING (DECK B)
$
HE901 1-543-558-11 HEAD, E (DECK B)
Page INCORRECT CORRECT
HE901 1-543-558-11 HEAD, E (ERASE) (DECK B)
^
173
23
Ref. No. Part No. Description Remark
173 3-366-108-01 LINK, CR
175 3-366-107-01 ARM, CR
174
175
Ref. No. Part No. Description Remark
173 3-366-108-01 LINK, CR (DECK A)
175 3-366-107-01 ARM, CR (DECK A)
DECK A
173
$
$
$
$
@
@
174
^
DECK
175
40
11.6 µs
5 Q334 (Base) (Record Mode)
100mV/DIV, 5ms/DIV
0.4 Vp-p
Ref. No. Part No. Description Remark
Ref. No. Part No. Description Remark
* 41 3-389-401-01 PLATE (COM 2) SHIELD
* 42 3-389-402-01 PLATE (COM) SHIELD
* 43 3-906-470-01 HOLDER (LED)
44 3-389-424-01 HOLDER (LEVEL)
– To Next Page –
Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark
39 3-672-522-01 SCREW, + PTTWH-2.3
40 3-908-999-01 FOOT
5-2. MECHANISM DECK SECTION-1
Page INCORRECT CORRECT
Ref. No. Part No. Description Remark
21
M901 3-378-834-01 MOTOR ASSY M901 3-378-834-01 MOTOR ASSY (CAPSTAN/REEL)
Ref. No. Part No. Description Remark
@
Page INCORRECT CORRECT
23
189
189
$
10 ms
– 15 –
– 16 –
– 17 –
#14
– 18 –
#14
@
5-5. SPEAKER SECTION
6
SP601, 651
#7
#7
SP602, 652
#7
#7
203
206
205
#6
207
#
204
204
202
201
Ref. No. Part No. Description Remark
201 X-3367-350-1 CABINET (FRONT) ASSY (L), SP
201 X-3367-349-1 CABINET (FRONT) ASSY (R), SP
202 1-751-483-11 CORD, SPEAKER CONNECTION
203 1-124-499-11 ELECT, NONPOLAR 1uF 20% 50V
204 3-905-378-01 FOOT (SP) (R ch)
204 3-905-378-11 FOOT (SP) (L ch)
205 3-389-425-01 BRACKET, SP
Ref. No. Part No. Description Remark
206 3-389-443-01 BOX (REAR) (L), SP
206 3-389-444-01 BOX (REAR) (R), SP
207 3-904-982-01 STOPPER, CORD
SP601 1-505-567-11 SPEAKER (5 cm)
SP602 1-505-566-11 SPEAKER (10 cm)
SP651 1-505-567-11 SPEAKER (5 cm)
SP652 1-505-566-11 SPEAKER (10 cm)
– 19 –
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