Sony CFS-515S Manuale utente
Ver. 1.0 1998.07
MICROFILM
CFS-515S
SERVICE MANUAL
RADIO CASSETTE-CORDER
SPECIFICATIONS
E Model
Model Name Using Similar Mechanism NEW
Tape Transport Mechanism Type MF-W495-117
Frequency range FM :
Saudi Arabia model : 87.6 – 107MHz
EXCEPT SaudiArabia model : 87.6 – 108MHz
MW : 530 – 1,605kHz
SW1 : 2.3 – 7 MHz
SW2 : 7 – 22MHz
IF FM : 10.7MHz
MW/SW : 455kHz
Aerials FM/SW : Telescope
MW : Built-in ferrite bar
Recording system 4-track, 2-channel stereo
Frequency response 70 – 13,000Hz
Speakers Full range : 10cm (4 inches) dia., 6ohms,
cone type/Tweeter : 2cm (13/16 inches) dia.
Output Headphones jack (stereo minijack), for
16 – 68 ohms impedance headphones
Maximum Power output
5W+5W
Battery life FM Recording : Sony R20P : Approx. 10hours/
Sony LR20 alkaline : Approx. 20hours
Playback : Sony R20P :Approx. 3.5hours/
Sony LR20 alkaline : Approx. 8hours
Power requirements 110 – 120V/220 – 240VAC selectable, 50/60Hz
9V DC, six R20 (size D) batteries
Power consumption AC 18 W
Dimensions Approx. 697 x 211 x 201.5 mm (w/h/d)
(27 1/2x 8 3/8x 8 inches) incl. projecting parts and
controls, not incl. handle
Mass Approx. 6.2 kg (13 lb 10 oz) incl. batteries
Supplied accessories AC power cord (1),
Design and specifications are subject to change without notice.
– 17 – – 19 –– 18 –
rWaveforms
2
T301 VOLT/DIV : 10 V AC
TIME/DIV : 5 µsec
1
T301 VOLT/DIV : 1 V AC
TIME/DIV : 5 µsec
4.9Vp-
p
12.6
µ
sec
45.5Vp-
p
12.6
µ
sec
5-3. SCHEMATIC DIAGRAM – MAIN SECTION – rRefer to page 14 for Note. CFS-515S
rRefer to page 23 for IC Block Diagrams.
– 20 – – 22 –– 21 –
rRefer to page 24 for IC Block Diagram.
Ref. No. Location
rSemiconductor
Location
D1 E-2
D2 E-2
D3 D-2
IC1 D-4
Q1 C-2
Q2 E-4
5-4. PRINTEDWIRING BOARDS –TUNER SECTION –
CFS-515S
5-5. SCHEMATIC DIAGRAM –TUNER SECTION –
Note:
• Allcapacitors are in µF unless otherwise noted. pF:µµ F
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ωand 1/4W or less unless otherwise
specified.
•¢: internal component.
•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
( ) : MW
< > : SW1,SW2
Note:
•X: parts extracted from the component side.
•b: Pattern from the side which enables seeing.
• Abbreviation
EA : Saudi Arabia
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production
tolerances.
• Signal path.
F: FM
• Abbreviation
EA : Saudi Arabia
– 23 –
IC301 BA3426AS
rIC Block Diagrams (Main Section)
IC101, 201 BA5417
1
N.C
2
B.S.2
3
OUT1
4
B.S.1
OUT2
VCC
5
POWER GND
6
SW
7
RIPPLE
8
NF1
9
IN1
10
IN2
11
NF2
12
PRE GND
PRE GND
13 14 15
BS BS
ST. BY
FILTER
T. S. D
1
A-L
2
TAPE-NF-L
3
TAPE-O-L
74
A-R
5
TAPE-NF-R
6 8 9 10 11
TAPE-O-R
MIC/HS
MIC-NF
MIC -IN
RADIO-IN -L
RADIO-IN -R
CD-IN-L
CD-IN-R
LINE-OUT-L
LINE-OUT-R
BIAS-IN
12 13 1614 15
32 31 30 2629 28 27 25 24 23 22
B-L
B-R
TR-B
TR-C
TAPE-MODE
FNC
REC-EQ-L
REC-EQ-R
REC-NF-L
REC-NF-R
LPF-L
LPR-R
AGC
BIAS
GND
VCC
VCC
21 20 1719 18
REC EQ
HS : 1.4V OUT
(Low lmp.)
Nor : 0.35V OUT
(Hogh lmp.)
LOGIC
REC EQ
AGC
ECM : Open
Mic : Low
– 24 –
IC302 CXA1352AS
IC1 CXA1238S
rIC Block Diagram (Tuner Section)
CONTROL
GRAPHIC EQUALIZER
GRAPHIC EQUALIZER
BIAS
15dB
15dB
29dB
29dB
400Hz 1kHz
4kHz
10kHz
DVCC
DC 2
IN 2
VCC
LINE
OUT 2
OUT 2
(FIX)
VG
100Hz
BAL
VOL
DC 1
IN 1
GND
LINE
OUT 1
OUT 1
(FIX)
OUT 1
(VARIABLE)
OUT 2
(VARIABLE)
ISET
2122
235
4678910
111
12
13
14
15
16
17
181920
VOLUME
VOLUME
REG
FM FRONT-END
AM FRONT-END
VCO
REG
MPX REG.
PD 1
PD 2
MONO/ST
SELECT
1/2
COUNTER
1/2
COUNTER
MUTING
DECORD AMP
AUTOBLEND
RIPPLE
FILTER
BAND PASS
MUTE
TUNING
INDICATOR
AM
IF / DET
GND
PLL LPF 1
PILOT DET
LPF 1
PILOT DET
LPF 2
ST IND/
VCO CHECK
RCH OUT
LCH OUT
VCC
RIPPLE
FILTER
AFC/AGC 1
AFC/AGC 2
GND
TUND IND
FM IF IN
AM IF IN
BAND SELECT
PLL LPF2
MPX REG
VCO
FM
DISCRI
MUTE
AM OSC
AFC
FM OSC
REG OUT
FM RF
AM RF IN
FM RF IN
FM/AM
FE OUT
GND
235
4678910
111 12 13 14 15
16
17
18
19
2030 29 28 27 26 25 24 23 22 21
FM IF /
DISCRI
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4
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