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US Model

2006A04-1
© 2006.01

AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
With 4-ohm loads, both channels driven from 150 -10,000 Hz; rated
1 W per channel-minimum RMS power, with no more than 10 % total
harmonic distortion in AC operation.

Other specifications
CD player section
System

Compact disc digital audio system

Laser diode properties

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.)

Number of channels

2

Frequency response

20 - 20 000 Hz +1/–2 dB

Wow and flutter

Below measurable limit

Radio section
Frequency range

FM: 87.5 - 108 MHz
AM:530 - 1 710 kHz

IF

FM: 10.7 MHz
AM: 450 kHz

Antennas

FM: Telescopic antenna
AM: Built-in ferrite bar antenna

Cassette-corder section
Recording system

4-track 2 channel stereo

Fast winding time

Approx. 150 s (sec.) with Sony cassette C-60

Frequency response

TYPE I (normal): 80 - 10 000 Hz

General
Speaker

Full range: 8 cm dia., 4 

Ω, cone type (2)

Outputs

Headphones jack (stereo minijack):
For 16 - 32 

Ω impedance headphones

Power output

1.7 W + 1.7 W (at 4 

Ω, 10% harmonic distortion)

Power requirements

For CD radio cassette-corder:
120 V AC, 60Hz
9 V DC, 6 R14 (size C) batteries

Power consumption

AC 13 W

CD

Model Name Using Similar Mechanism CFD-S350

Section

CD Mechanism Type

KSM-213CDP

Optical Pick-up Name

KSS-213C

TC

Model Name Using Similar Mechanism NEW

Section Tape Transport Mechanism Type

MF-S01

– Continued on next page –

2

COMPONENTS  IDENTIFIED  BY  MARK  0  OR  DOTTED  LINE
WITH  MARK  0  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.

Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous
radiation exposure.

Flexible Circuit Board Repairing
• Keep the temperature of the soldering iron around 270˚C during

repairing.

• Do not touch the soldering iron on the same conductor of the

circuit board (within 3 times).

• Be careful not to apply force on the conductor when soldering or

unsoldering.

Notes on Chip Component Replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be damaged

by heat.

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 pick-
up block. Therefore, when checking the laser diode emission,
observe from more than 30 cm away from the objective lens.

Notes on DualDiscs
A DualDisc is a two sided disc product which mates DVD recorded
material on one side with digital audio material on the other side.
However, since the audio material side does not conform to the
Compact Disc (CD) standard, playback on this product is not
guaranteed.

Battery life

For CD radio cassette-corder:

Sony R14P: approx. 6 h

Sony alkaline LR14: approx. 20 h

Sony R14P: approx. 3 h

Sony alkaline LR14: approx. 12 h

Sony R14P: approx. 1.5 h

Sony alkaline LR14: approx. 7 h

Dimensions

Approx. 360 

× 141 × 235 mm (w/h/d)

14

 1/4

 

× 5

 5/8

 

× 9

 3/8

 inches)

(incl. projecting parts)

Mass

Approx. 2.6 kg (5 lb, 11 oz) (incl. batteries)

Supplied accessory

AC power cord (1)

Design and specifications are subject to change
without notice.

SAFETY  CHECK-OUT
After correcting the original service problem, perform the following
safety check before releasing the set to the customer:
Check the antenna terminals, metal trim, “metallized” knobs, screws,
and all other exposed metal parts for AC leakage.
Check leakage as described below.

LEAKAGE  TEST
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 microampers.).
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. Follow 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 voltmeter. The “limit” indica-
tion is 0.75 V, so analog meters must have an accurate low-
voltage scale. The Simpson 250 and Sanwa SH-63Trd are
examples of a passive VOM that is suitable. Nearly all battery
operated digital multimeters that have a 2 V AC range are
suitable.  (See Fig. A)

1.5 k

Ω

0.15 

µ

F

AC
voltmeter
(0.75 V)

To Exposed Metal
Parts on Set

Earth Ground

3

................................................

4

...................................................................

5

3-1.

Cabinet (Rear) Assy .........................................................

7

3-2.

Cabinet (Front) Assy, Cabinet (Upper) Assy ...................

7

3-3.

Main Board ......................................................................

8

3-4.

CD Block Assy ................................................................

8

3-5.

CD Motor Board ..............................................................

9

3-6.

Optical Pick-up ................................................................

9

3-7.

Control Board .................................................................. 10

3-8.

CD Lid ............................................................................. 10

3-9.

Tape Mechanism Block, Belt (1), Belt (2) ...................... 11

3-10. TC Board ......................................................................... 11
3-11. Key (FUNC) Board, Key (VOL) Board .......................... 12
3-12. Power Board .................................................................... 12

......................... 13

Tape Section .................................................................... 13
Tuner Section ................................................................... 14
CD Section ...................................................................... 16

6-1.

Block Diagram – CD Section – ....................................... 17

6-2.

Block Diagram – Main Section – .................................... 18

6-3.

Circuit Boards Location .................................................. 19

6-4.

Schematic Diagram – Main Section (1/4) – .................... 20

6-5.

Schematic Diagram – Main Section (2/4) – .................... 21

6-6.

Schematic Diagram – Main Section (3/4) – .................... 22

6-7.

Schematic Diagram – Main Section (4/4) – .................... 23

6-8.

Printed Wiring Board – Main Section – .......................... 24

6-9.

Printed Wiring Boards – TC Section – ............................ 25

6-10. Schematic Diagram – TC Section – ................................ 26
6-11. Printed Wiring Boards – Control Section – ..................... 27
6-12. Schematic Diagram – Control Section – ......................... 28
6-13. Printed Wiring Boards – Power Supply Section – ........... 29
6-14. Schematic Diagram – Power Supply Section – ............... 30

7-1.

Rear Cabinet Section ....................................................... 38

7-2.

Front Cabinet Section (1) ................................................ 39

7-3.

Front Cabinet Section (2) ................................................ 40

7-4.

Upper Cabinet Section (1) ............................................... 41

7-5.

Upper Cabinet Section (2) ............................................... 42

7-6.

CD Mechanism Section ................................................... 43

.................................. 44

Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with

the lead free mark due to their particular size.)

Unleaded solder has the following characteristics.
• Unleaded solder melts at a temperature about 40

°C higher than

ordinary solder.
Ordinary soldering irons can be used but the iron tip has to be
applied to the solder joint for a slightly longer time.
Soldering irons using a temperature regulator should be set to
about 350

°C.

Caution: The printed pattern (copper foil) may peel away if the

heated tip is applied for too long, so be careful!

• Strong viscosity

Unleaded solder is more viscous (sticky, less prone to flow)
than ordinary solder so use caution not to let solder bridges
occur such as on IC pins, etc.

• Usable with ordinary solder

It is best to use only unleaded solder but unleaded solder may
also be added to ordinary solder.

4

On repairing CD section, playing a disc without the lid (CD), use
Chuck Plate Jig.
• Code number of Chuck Plate Jig: X-4918-255-1

1. Turn  ON the [POWER]  button and press [CD]  button to CD

position.

2. Open the CD lid.
3. Turn on S801 with screwdriver, etc. as following figure.
4. Press the  N X  (CD) button.
5. 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 three times for focus search.

S801