Read Sony CFD-V27 Service Manual online
CFD-V27
E Model
SERVICE MANUAL
CD RADIO CASSETTE-CORDER
SPECIFICATIONS
Model Name Using Similar Mechanism
CFD-V17
CD
CD Mechanism Type
KSM-213CDM
Section
Optical Pick-up Name
KSS-213CDM
Tape deck
Model Name Using Similar Mechanism
CFD-V17
Section
Tape Transport Mechanism Type
MF-V10-117
CD player section
System
Compact disc digital audio system
Laser diode properties
Material: GaAlAs
Wavelength:780 nm
Emission duration : Continuous
Laser output : Less than 44.6
Wavelength:780 nm
Emission duration : Continuous
Laser output : Less than 44.6
µ
W
(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.)
distance of about 200 mm from the objective
lens surface on the optical pick-up block
with 7 mm aperture.)
Spindle speed
200 r/min (rpm) to 500 r/min (rpm) (CLV)
Number of channels
2
Frequency response
20 – 20,000 Hz + 1/-2 dB
Wow and flutter
Below measurable limit
Radio section
Frequency range
FM : 87.6 – 108 MHz
AM : 530 –1,710 kHz
AM : 530 –1,710 kHz
Aerials
FM : Telescopic antenna
AM : Built-in ferrite bar aerial
AM : Built-in ferrite bar aerial
Cassette-corder section
Recording system
4 -track 2 channel stereo
Fast winding time
Approx. 120 s (sec.) with Sony cassette C-60
Frequency response
TYPE I (normal) : 70 – 10,000 Hz
General
Speakers
Full range : 10 cm dia., 3.2
Ω
, cone type (2)
Outputs
Headphones jack (stereo minijack)
For 16 – 68
For 16 – 68
Ω
impedance headphones
Power output
2.3 W + 2.3 W (at 3.2
Ω
, 10 % harmonic
distortion)
Power requirements
For CD radio cassette-corder :
120V AC, 60 Hz
9V DC, 6 size D (R 20) batteries
120V AC, 60 Hz
9V DC, 6 size D (R 20) batteries
Power consumption
AC 20W
Battery life
For 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
Dimensions
Approx. 420
×
165
×
256 mm (w/h/d)
(16
5
/
8
×
6
1
/
2
×
10
1
/
8
inches) (incl. projecting
parts)
Mass
Approx. 4.1 kg (9 lb. 1 oz) (incl. batteries)
Supplied accessories
AC power cord (1)
Design and specifications are subject to change without notice.
Ver. 1.2 2005.09
9-926-997-12
2005I16-1
© 2005.09
Sony Corporation
Personal Audio Group
Published by Sony Engineering Corporation
— 2 —
TABLE OF CONTENTS
1. SERVICE NOTES
···························································· 3
2. GENERAL
·········································································· 4
3. DISASSEMBLY
3-1.
Front Cabinet Assy ····························································· 5
3-2.
Control Board ····································································· 6
3-3.
Cabinet (upper) Assy ·························································· 6
3-4.
Inlet, Power, Battery, Half Battery Board ··························· 7
3-5.
Main Board ········································································· 7
3-6.
Mechanism Deck, Optical Pick-up Section ························ 8
4. DIAL POINTER INSTALLATION
······························· 9
5. ADJUSTMENT
5-1.
Mechanical Adjustment ···················································· 10
5-2.
Electrical Adjustment ······················································· 10
5-3.
Tuner Section ···································································· 11
5-4.
Reference ·········································································· 15
6. DIAGRAM
6-1.
Circuit Board Location ····················································· 17
6-2.
Block Diagram ································································· 18
6-3.
Printed Wiring Board ························································ 21
6-4.
Schematic Diagram – Main Section(1/2) – ······················ 25
6-5.
Schematic Diagram – Main Section(2/2) – ······················ 30
6-6.
Explanation of IC Terminals ············································ 33
7. EXPLODED VIEWS
·················································
38
8. ELECTRICAL PARTS LIST
···································
44
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
!
OR DOTTED 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.
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
— 3 —
SECTION 1
SERVICE NOTES
NOTES ON HANDLING THE OPTICAL PICK-UP
BLOCK OR BASE UNIT
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.
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 pick-
up block. Therefore, when checking the laser diode emission,
observe from more than 30 cm away from the objective lens.
the disc reflective surface by the objective lens in the optical pick-
up 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.
Chuck Plate Jig.
•
Code number of Chuck Plate Jig : X-4918-255-1
LASER DIODE AND FOCUS SEARCH OPERATION
CHECK
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
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 Power Control circuit or
Optical Pick-up is broken.
Objective lens moves up and down once for the focus search.
Optical Pick-up is broken.
Objective lens moves up and down once for the focus search.
This appliance is classified as a CLASS 1 LASER product. The
CLASS 1 LASER PRODUCT MARKING is located on the rear
exterior.
CLASS 1 LASER PRODUCT MARKING is located on the rear
exterior.
The following caution label is located inside the unit.
Laser component in this product is capable
of emitting radiation exceeding the limit for
Class 1.
of emitting radiation exceeding the limit for
Class 1.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous radiation
exposure.
other than those specified herein may result in hazardous radiation
exposure.
Insert a precision screw driver
and push SWITCH(S801)
and push SWITCH(S801)
— 4 —
SECTION 2
GENERAL
LOCATION AND FUNCTION OF CONTROLS
MAIN UNIT
MAIN UNIT
1
Tape operation buttons
r
button
·
button
0
button
)
button
p
,
6
button
P
button
2
CASSETE LID
3
FM rod antenna
4
DISPLAY ENTER button
5
CD
^
button
6
CD
6
PUSH OPEN/CLOSE button
7
CD
+
button
8
CD
p
button
9
Battery compartment
!º
TUNE knob
!¡
CD
=
button
!™
DIAL
!£
FUNCTION switch
!¢
OPR/BATT indicator
!∞
TONE knob
!§
2
Phones jack
!¶
MEGA BASS knob
!•
AC IN Socket
!ª
VOLUME knob
@º
PLAY MODE button
@¡
Information display
1
2
3
4 5
6
7
8
9
0
!¡
!™
!£
!¢
!∞
!§
!¶
!•
!ª
@º
@¡
