CFS-515S
SERVICE MANUAL
Ver. 1.0 1998.07
SPECIFICATIONS
Frequency range FM :
Saudi Arabia model : 87.6 – 107MHz
EXCEPT Saudi Arabia 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 – 240V AC 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 1/2 x 8 3/8 x 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),
E Model
Model Name Using Similar Mechanism NEW
Tape Transport Mechanism Type MF-W495-1 17
MICROFILM
Design and specifications are subject to change without notice.
RADIO CASSETTE-CORDER
p
p
5-3. SCHEMATIC DIAGRAM – MAIN SECTION –
r
Refer to page 14 for Note.
r
Refer to page 23 for IC Block Diagrams.
r
Waveforms
CFS-515S
1
4.9Vp-
12.6 µsec
T301
VOLT/DIV : 1 V AC
TIME/DIV : 5 µsec
2
12.6 µsec
T301
45.5Vp-
VOLT/DIV : 10 V AC
TIME/DIV : 5 µsec
– 17 – – 19 –– 18 –
CFS-515S
5-4. PRINTED WIRING BOARDS – TUNER SECTION –
5-5. SCHEMATIC DIAGRAM – TUNER SECTION –
r
Refer to page 24 for IC Block Diagram.
r
Semiconductor
Location
Ref. No. Location
D1 E-2
D2 E-2
D3 D-2
IC1 D-4
Q1 C-2
Q2 E-4
Note:
• X : parts extracted from the component side.
• b : Pattern from the side which enables seeing.
• Abbreviation
EA : Saudi Arabia
Note:
• All capacitors 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 Ω and 1/
specified.
¢
•
• U : B+ Line.
• H : adjustment for repair.
• Power voltage is dc 9V and fed with regulated dc power
• Voltages are dc with respect to ground under no-signal
: internal component.
supply from battery terminal.
(detuned) conditions.
no mark : FM
( ) : MW
< > : SW1,SW2
4
W or less unless otherwise
• 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
– 20 – – 22 –– 21 –
r
IC Block Diagrams (Main Section)
IC101, 201 BA5417
T. S. D
ST. BY
BS
1
2
3
4
N.C
B.S.2
OUT2
VCC
5
OUT1
BS
6SW7
B.S.1
8
POWER GND
FILTER
9
RIPPLE
NF1
11
IN110IN2
IC301 BA3426AS
B-L
B-R
TR-B
TR-C
TAPE-MODE
FNC
REC-EQ-L
REC-EQ-R
REC-NF-L
32 31 30 2629 28 27 25 24 23 22
12
REC-NF-R
13 14 15
NF2
PRE GND
LPF-L
LPR-R
21 20 1719 18
PRE GND
AGC
BIAS
GND
VCC
AGC
REC EQ
REC EQ
LOGIC
ECM : Open
Mic : Low
HS : 1.4V OUT
(Low lmp.)
Nor : 0.35V OUT
(Hogh lmp.)
1
2
A-L
TAPE-NF-L
3
TAPE-O-L
5
A-R
TAPE-NF-R
74
6 8 9 10 11
MIC-NF
TAPE-O-R
MIC/HS
MIC -IN
RADIO-IN -L
12 13 1614 15
CD-IN-L
CD-IN-R
RADIO-IN -R
LINE-OUT-L
VCC
BIAS-IN
LINE-OUT-R
– 23 –
IC302 CXA1352AS
4kHz
1kHz
2122
10kHz
DVCC
DC 2
IN 2
181920
17
LINE
VCC
16
OUT 2
OUT 2
(FIX)
OUT 2
(VARIABLE)
VG
15
14
12
13
CONTROL
1
400Hz
r
IC Block Diagram (Tuner Section)
2
100Hz
3
BAL
5
4
VOL
DC 1
IC1 CXA1238S
15dB
15dB
6
IN 1
29dB
GRAPHIC EQUALIZER
GRAPHIC EQUALIZER
29dB
8
7
GND
LINE
OUT 1
9
OUT 1
(FIX)
VOLUME
VOLUME
10
OUT 1
BIAS
11
ISET
(VARIABLE)
1
2
PLL LPF 1
PILOT DET
GND
3
LPF 1
PILOT DET
VCO
4
LPF 2
PLL LPF2
MONO/ST
SELECT
ST IND/
VCO CHECK
MPX REG
VCOFMDISCRI
MPX REG.
MUTE
AM OSC
1/2
COUNTER
1/2
COUNTER
DECORD AMP
AFC
MUTING
5
RCH OUT
FM OSC
REG
REG
PD 1
PD 2
6
LCH OUT
REG OUT
AUTOBLEND
RIPPLE
FILTER
7
VCC
8
FILTER
RIPPLE
FM RF
19
2030 29 28 27 262524 23 22 21
FM FRONT-END
AM FRONT-END
9
AFC/AGC 1
AM RF IN
FM RF IN
18
BAND PASS
MUTE
10
AFC/AGC 2
FM IF /
DISCRI
AM
IF / DET
TUNING
INDICATOR
11
12
GND
TUND IND
GND
FM/AM
FE OUT
17
16
15
14
13
FM IF IN
AM IF IN
BAND SELECT
– 24 –
Loading...