POWER OUTPUT AND TOTAL HARMONIC DISTORTION
With 3.2 Ω loads, both channels driven from 150 – 10,000 Hz; rated 1.8
W per channel-minimum RMS power, with no more than 10 % total
harmonic distortion in AC operation.
Other Specifications
CD player section
SystemCompact disc digital audio system
Laser diode propertiesMaterial: GaAlAs
Wavelength:780 nm
Emission duration : Continuous
Laser output : Less than 44.6 µW
(This output is the value measured at a
distance of about 200 mm from the objective
lens surface on the optical pick-up block
with 7 mm aperture.)
Spindle speed200 r/min (rpm) to 500 r/min (rpm) (CLV)
Number of channels2
Frequency response20 – 20,000 Hz + 1/-2 dB
Wow and flutterBelow measurable limit
Recording system4 -track 2 channel stereo
Fast winding timeApprox. 120 s (sec.) with Sony cassette C-60
Frequency responseTYPE I (normal) : 70 – 10,000 Hz
US Model
Canadian Model
E Model
Australian Model
Model Name Using • Similar Mechanism CFD-V15/V24
CD Mechanism TypeKSM-213CDM
Optical Pick-up TypeKSS-213CDM
T ape Transport Mechanism TypeMF-V10-117
Power output (excluding US model)
2.3 W + 2.3 W (at 3.2 Ω, 10 % harmonic
distortion)
Power requirementsFor CD radio cassette-corder :
120V AC, 60 Hz
9V DC, 6 size D (R 20) batteries
Power consumptionAC 20W
Battery lifeFor CD radio cassette-corder:
FM recording
Sony R20P : approx. 13.5 h
Sony alkaline LR20 : approx. 20 h
Tape playback
Sony R20P : approx. 7.5 h
Sony alkaline LR20 : approx. 15 h
CD playback
Sony R20P : approx. 2.5 h
Sony alkaline LR20 : approx. 7 h
DimensionsApprox. 420 × 165 × 256 mm (w/h/d)
(16 5/8× 6 1/2× 10 1/8 inches) (incl. projecting
parts)
MassApprox. 4.1 kg (9 lb. 1 oz) (incl. batteries)
Supplied accessoriesAC power cord (1)
Design and specifications are subject to change without notice.
General
SpeakersFull range : 10 cm dia., 3.2 Ω, cone type (2)
OutputsHeadphones jack (stereo minijack)
For 16 – 68 Ω impedance headphones
MICROFILM
CD RADIO CASSETTE-CORDER
TABLE OF CONTENTS
1. SERVICE NOTES···························································· 3
SAFETY CHECK-OUT
2. GENERAL ··········································································4
After correcting the original service problem, perform the following
safety checks before releasing the set to the customer:
Check the antenna terminals, metal trim, “metallized” knobs, screws,
and all other exposed metal parts for A C leakage. Check leakage as
described below.
LEAKAGE
The AC leakage from any exposed metal part to earth ground and
from all exposed metal parts to any exposed metal part having a
return to chassis, must not exceed 0.5 mA (500 microamperes).
Leakage current can be measured by any one of three methods.
1.A commercial leakage tester, such as the Simpson 229 or RCA
WT -540A. Follo w the manufacturers’ instructions to use these
instruments.
2.A battery-operated AC milliammeter. The Data Precision 245
digital multimeter is suitable for this job.
3.Measuring the voltage drop across a resistor by means of a
VOM or battery-operated AC v oltmeter . The “limit” indication
is 0.75 V, so analog meters must have an accurate low-v olta ge
scale. The Simpson 250 and Sanwa SH-63Trd are e xamples of
a passive VOM that is suitable. Nearly all battery operated
digital multimeters that have a 2V AC range are suitable. (See
Fig. A)
8. ELECTRICAL PARTS LIST ··································· 44
T o Exposed Metal
Parts on Set
AC
0.15
µ
F
Fig. A. Using an A C v oltmeter to check A C leakage.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK ! OR DO TTED LINE WITH
MARK ! ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS
LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
1.5 k
Ω
Earth Ground
Voltmeter
(0.75 V)
— 2 —
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!
LES COMPOSANTS IDENTIFÉS P AR UNE MARQUE ! SUR LES
DIAGRAMMES SCHÉMA TIQUES ET LA LISTE DES PIÈCES SONT
CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE
REMPLACER CES COMPOSANTS QUE PAR DES PIÈSES SONY
DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU
DANS LES SUPPÉMENTS PUBLIÉS PAR SONY.
SECTION 1
Insert a precision screw driver
and push SWITCH(S801)
SERVICE NOTES
Laser component in this product is capable
of emitting radiation exceeding the limit for
Class 1.
This appliance is classified as a CLASS 1 LASER product. The
CLASS 1 LASER PRODUCT MARKING is located on the rear
exterior.
The following caution label is located inside the unit.
NOTES ON HANDLING THE OPTICAL PICK-UP
BLOCK OR BASE UNIT
The laser diode in the optical pick-up block may suffer electrostatic
breakdown because of the potential difference generated by the
charged electrostatic load, etc., on clothing and the human body.
During repair, pay attention to electrostatic breakdown and also use
the procedure in the printed matter which is included in the repair
parts.
The flexible board is easily damaged and should be handled with
care.
NOTES ON LASER DIODE EMISSION CHECK
The laser beam on this model is concentrated so as to be focused on
the disc reflective surface by the objective lens in the optical pickup block. Therefore, when checking the laser diode emission,
observe from more than 30 cm away from the objective lens.
CHUCK PLATE JIG ON REPAIRING
On repairing CD section, playing a disc without the CD lid, use
Chuck Plate Jig.
• Code number of Chuck Plate Jig : X-4918-255-1
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous radiation
exposure.
LASER DIODE AND FOCUS SEARCH OPERATION
CHECK
1. Press CD open knob.
2. Open the lid for CD.
3. Push on SWITCH (S801) as following figure.
4. Confirm the laser diode emission while observing the objecting
lens. When there is no emission, Auto Po wer Control circuit or
Optical Pick-up is broken.
Objective lens moves up and down once for the focus search.
— 3 —
LOCATION AND FUNCTION OF CONTROLS
MAIN UNIT
SECTION 2
GENERAL
1
23
@¡
@º
!ª
!•
1Tape operation buttons
rbutton
·button
0button
)button
p, 6button
Pbutton
2CASSETE LID
3FM rod antenna
4DISPLAY ENTER button
5CD ^ button
6CD 6 PUSH OPEN/CLOSE button
7CD + button
8CD p button
• The equipment can be removed using the following procedure.
Front cabinet assySet
Cabinet (upper) assy
Control board
Inlet, power, battery, half battery board
Main boardMechanism deck, optical pick-up section
Note :Follow the disassembly procedure in the numerical order given.
3-1.FRONT CABINET ASSY
8
Knob (Vol )
0
9
Knob (Tone)
Front cabinet assy
7
+BVTP 3
Screw
×
10
5
Remove the Handle
in the direction of the arrow.
Rear cabinet assy
4
Screw
+BVTP 3
×
10
6
Open the Lid (CD) in
the direction of the arrow.
3
Four screws
+BVTP 3
×
10
2
T wo screws
+BVTP 3
1
Lid, battery case
×
10
— 5 —
3-2.CONTROL BOARD
d
3-3.CABINET (UPPER) ASSY
Three screws
5
+BVTP 3
6
Button (CD)
×
10
4
Knob (TU)
7
Cabinet (Front) sub assy
5
T wo screws
+BVTP 2.6
3
Screw
×
8
2.6
×
8
2
CONTROL boar
1
Four screws
×
8
2.6
1
Three screws
+BVTP 3
×
10
2
Open the Holder assy, cassette by
pressing STOP/EJECT button.
STOP/EJECT
button
8
Cabinet (upper) assy
7
3
Open the Lid (CD) in
the direction of the arrow.
4
Screw
+BVTP 3
9
Open the Handle in
the direction of the arrow.
×
10
6
Connector
Rear cabinet
— 6 —
3-4.INLET, POWER, BATTERY, HALF BATTERY BOARD
r
5
Connector
1
Four screws
+BVTP 3 × 10
4
POWER board
2
T wo screws
+BVTP 3 × 10
3
INLET board
8
BATTERY board
6
T wo screws
+BVTP 3 × 8
9
Rear cabinet
7
T wo connectors
HALF BATTERY
board
3-5.MAIN BOARD
!¡
Connector
5
Four screws
+BVTP 3 × 10
0
Connector
6
!™
MAIN board
8
Flexible
9
Connector
3
Flexible
4
DISPLAY
board
2
1
Three Screws
+BVTP 3 × 10
— 7 —
VOLUME board
7
Connecto
3-6.MECHANISM DECK, OPTICAL PICK-UP SECTION
0
8
CD MOTOR board
7
6
T wo screws
9
Optical pick-up section
Remove solder
5
T wo screws
3
+BVTP 3
Three screws
×
10
4
Mechanism deck
1
+BVTP 3
2
RECORD
switch board
T wo screws
×
1
— 8 —
SECTION 4
t
DIAL POINTER INSTALLATION
Note : Follow the installation procedure in the numerical order given.
1 Align the pointer with the groove of front cabinet and insert it as shown in the illustration.
2 Align Tuning knob with front cabinet and fasten the screw.
Front Cabinet
1
Pointer
Tuning knob B
2
Screw (2.6 × 8)
3 Turn the Tuning knob in the direction of the arrow as shown in the illustration until pointer agrees with scale “ 0 ” (at leftmost end of
scale).
4 Turn the tuning capacitor gear fully in the direction of the arrow as shown in the illustration.
5 Fasten the front cabinet and rear cabinet with the screws.
3
T uning knob
5
4
— 9 —
Tuning capacitor gear
Rear cabine
SECTION 5
ADJUSTMENTS
5-1.MECHANICAL ADJUSTMENT
PRECAUTION
1.Clean the following parts with a denatured-alchool-moistened
swab:
Set the CT2 (FM OSC) and CT4 (AM OSC)
trimmers to their extreme outside.
AM OSC
AM OSC
FM OSC
Inside NGOutside OK
FM OSC
CT1
FM T rac king
Adjustment
— 13 —
CT2
FM Frequency
Coverage
Adjustment
CD SECTION
V
s
Notes on Check
1.Perform the traverse check in the CD test mode.
After check, be sure to exit the test mode.
2.Perform check in the order given.
3.Use the disc (YEDS-18, Parts No. 3-702-101-01) only when
so indicated.
Before Check
Put the set into test mode and perform the following checks.
Repair if there are any problems.
• Sled Motor Check
Press + , = keys and confirm that the Optical pick-up moves
smoothly from the innermost to outermost circumference and back
smoothly and with no catching or abnormal noises.
(Cancellation of BTL mute)
+ : Optical pick-up moves to the outer circumference.
= : Optical pick-up moves to the inner circumference.
•Focus Search Check
1.Press the CD ^ key. (Focus search operation is performed
continuously.)
2.Look at the Optical pick-up objective lens and confirm that it
moves up and down smoothly, with no catching or abnormal
noises.
3.Press p button.
Confirm that focus search operation stops. If it does not, press
p button again longer.
TRAVERSE Check
This check is to be done when the optical pick-up block is replaced.
Check Procedure:
1.Connect the oscilloscope to test point TP (VC) and TP (TE) on
MAIN board.
2.Put the set into test mode.
3.Optical pick-up setting to the center by + or = button
pushing.
4.Insert disk (YEDS-18) and press ^ button.
5.Check that the oscilloscope traverse waveform is symmetrical,
as shown in the figure below.
6.Release test mode after adjustment is completed.
A
VOLT/DIV : 0.1
0V
TIME/DIV : 1m
B
A = B C = 300mV – 700mV
C
[MAIN BOARD] (Conductor side)
How to Enter the Set into Test Mode
1.Set the function switch to power off.
2.Set the function switch to CD while = key and p key
pressing.
The set is into CD test mode (88 is displayed).
3.Turn the power off to release test mode.
How to Exit the Test Mode
Turn the POWER OFF.
TP (TE)
TP (FE)
TP (VC)
Oscilloscope
(DC range)
+
–
— 14 —
Focus Bias Check
s
This check is to be done when the optical block replaced.
Check Procedure:
1. Connect the oscilloscope to test point TP (VC) and TP (RF) on
MAIN board.
2. Put the set into test mode.
3. Opitical pick-up setting to the center by + or – button pushing.
4. Insert disk (YEDS-18) and press ^ button.
5. Press the MODE button. (Tracking servo ON)
6. Check that the oscilloscope wavewform is as sho wn in the figure
below (eye pattern).
A good eye pattern means that the diamond shape (◊) in the
center of the waveform can be clearly distinguished.
7. Release test mode after adjustment is completed.
• RF signal reference waveform (eye pattern)
VOLT/DIV : 0.2V
TIME/DIV : 500n
0.9Vp-p – 1.3Vp-p
When observing the eye pattern, set the oscilloscope for AC range
and raise vertical sensivity.
[MAIN BOARD] (Conductor side)
5-4.REFERENCE
Focus/Tracking Gain Check
Adjustment Location : MAIN board (Component side)
(See page 16)
A frequency response analyzer is necessary in order to perform this
check exactly.
However , this gain has a mar gin, so e ven if it is slightly of f, there is
no problem.
Focus/Tracking gain determines the pick-up follo w-up (vertical and
horizontal) relative to mechanical noise and mechanical shock when
the 2-axis device operate.
Symptoms
Gain
• The time until music starts
becomes longer for STOP ➡
CD ^ or automatic
selection (0 , ) buttons
pressed). (Normally takes
about 2 seconds.)
• Music does not start and disc
continues to rotate for STOP
➡ CD ^ or automatic
selection (0 , ) buttons
pressed.)
• Sound is interrupted during
PLAY. Or time counter
display stops progressing.
• More noise during 2-axis
device operation.
Focus
low
—
—
high
Tracking
low or high
low
low
high
TP
(RF)
TP(VC)
Check Procedure:
1. Keep the set horizontal.
2. Inset disk (YEDS-18) and press ^ button.
3. Connect an oscilloscope to TP (FE) and TP (VC) on the MAIN
board.
4. Check that the waveform is as sho wn in the figure below . (Focus
waveform)
Oscilloscope
(DC range)
+
–
— 15 —
•Good Example
V
V
V
V
V
V
•Incorrect Examples (Fundamental wave appears)
VOLT/DIV : 100m
TIME/DIV : 1ms
100mV
0V
•Incorrent Examples (DC level changes more than on adjusted
waveform)
VOLT/DIV : 100m
TIME/DIV : 2ms
200mV
0V
low focus gain
VOLT/DIV : 100m
TIME/DIV : 2ms
75mV
0V
VOLT/DIV : 0.2
TIME/DIV : 2ms
0V
low tracking gain
VOLT/DIV : 0.2
TIME/DIV : 2ms
0V
high tracking gain
(high fundamental wave than for low gain)
[MAIN BOARD] (Conductor side)
high focus gain
5.Connect an oscilloscope between TP (TE) and TP (VC).
6.Insert disc (YEDS-18) and press the CD ^ button.
7.Check that the waveform is as shown in the figure below.
(tracking waveform)
VOLT/DIV : 0.2
TIME/DIV : 2ms
0V
TP (TE)
TP (FE)
TP (VC)
Oscilloscope
(DC range)
+
–
— 16 —
SECTION 6
d
DIAGRAMS
CFD-V17
6-1. CIRCUIT BOARDS LOCATION
RECORD SWITCH board
INLET board
POWER board
VOLUME board
DISPLAY board
CONTROL board
CONNECTOR board
BATTERY board
MAIN board
HALF BATTERY board
CD MOTOR boar
6-2. BLOCK DIAGRAM
FM F-COVERAGE
L3, CT3
AM TRACKING
OPTICAL PICK-UP
BLOCK
(KSS-213CDM)
L2, CT2
CNP702
12
10
11
13
9
14
7
5
3
2
4
1
CNB701
3
4
1
2
5
6
MAIN BOARD
L1, CT1
FM TRACKING
L4, CT4
AM F-COVERAGE
AM IF
FM IF
KH803
CNP803
7
6
5
4
3
2
CNP802CNP801
1-4
5-18
CONTROL
BOARD
LCD BOARD
CNB302
CNJ302
4
3
RECORD
SWITCH
BOARD
CNJ302
CNB302
1
KH308
KH307
12
24
KH306
KH307
KH307 KH308
KH307KH306
VOLUME
BOARD
Note on Printed Wiring Board:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
• b : Pattern from the side which enables seeing.
Note on Schematic Diagrams:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
INLET BOARD
KH902
3
2
4
3
2
4
CNP902
CNP907
31
CNJ907
1
3
31
CNB907
BATTERY
BOARD
CNB907
4
4
CNB908
4
CNB908
HALF
RECT
D901-904
KH902
2
KH904
2
POWER
BOARD
T901
POWER
TRANSFORMER
BATTERY
BOARD
4
3
CNP304
21
CNJ304
DRY BATTERY
SIZE "D"
(IEC DESIGNATION R20)
6PCS. 9V
and tantalums.
• All resistors are in Ω and 1/
specified.
¢
•
: internal component.
4
W or less unless otherwise
• 2 : nonflammable resistor.
• C : panel designation.
• H : adjustment for repair.
• U : B+ Line.
• Power voltage is dc 9 V and fed with regulated dc power
supply from battery terminal.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
Note:
The components identified by mark ! or dotted
line with mark ! are critical for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque ! sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
– For Radio, TAPE section MAIN (1/2) –
no mark : PLAY (TAPE SECTION)
CD STOP
( ) : REC (TAPE SECTION)
[ ] : FM (RADIO SECTION)
< > : AM (RADIO SECTION)
– For CD Section MAIN (2/2) –
no mark : CD PLAY
TAPE STOP
• Voltages are taken with a V OM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production tolerances.
• Signal path.
F: FM
E: PB
a : REC
J: CD
• Abbreviation
CND : Canadian
MX: Mexican
AUS : Australian
— 17 —— 18 —— 19 —— 20 —
CFD-V17
6-3. PRINTED WIRING BOARD • Refer to page 20 for Note on Printed Wiring Board.