DOWNLOAD Sony CDP-CA80ES Service Manual ↓ Size: 3.5 MB | Pages: 49 in PDF or view online for FREE

US Model

AEP Model

E Model

MICROFILM

Model Name Using Similar Mechanism

CDP-CA8ES

CD Mechanism Type

CDM27I

Base Unit Name

BU-5BD25

Optical Pick-up Name

KSS-213B/S-N

Laser

Semiconductor laser (

λ

 = 780 nm)

Emission duration: continuous

Laser output

Max 44.6 mW*
* This output is the value measured at a

distance of 200 mm from the objective
lens surface on the Optical Pick-up
block with 7 mm aperture.

Frequency response

2 Hz to 20 kHz ± 0.3 dB

Signal-to-noise ratio

More than 117 dB

Dynamic range

More the 99 dB

Harmonic distortion

Less than 0.0025%

Channel separation

More than 110dB

Jack

Maximum

Load

type

output

impedance

level

LINE OUT

Phono

2V

Over 10 kilohms

jacks

(at 50 kilohms)

DIGITAL OUT

Optical

–18 dBm

Wave length:

(OPTICAL)

output

660 nm

connector

PHONES

Stereo

15 mW

32 ohms

phone jack

USA

120 V AC, 60 Hz

Europe

220 V – 230 V AC, 50/60 Hz

Other countries

110 V – 120 V AC or 220 V – 240 V AC
adjustable, 50/60 Hz

Power consumption

15W

Dimensions (approx.)

430 

×

 125 

×

 400 mm

(w/h/d)

(17 

×

 5 

×

 15 

3

/

4

 in.) incl. projecting parts

Mass (approx.)

7 kg (15 lbs 7 oz)

Audio cord (2 phono plugs–2 phono plugs) (1)
Remote commander (remote) (1)
Sony SUM-3 (NS) batteries (2)

Design and specifications are subject to change without notice.

— 2 —

······································································ 7

2-1.

Front Panel ······································································· 11

2-2.

Disc Table Assy ································································ 11

2-3.

Back Panel and Disc Table ··············································· 12

2-4.

Optical Pick-up Block Assembly ····································· 12

2-5.

Bracket (Gear) Assembly ················································· 13

································································ 14

···················· 17

5-1.

Circuit Boards Location ··················································· 19

5-2.

Block Diagram ································································· 21

5-3.

Schematic Diagram — BD Section — ····························· 23

5-4.

Printed Wiring Board — BD Section — ·························· 25

5-5.

Printed Wiring Board — Main Section — ······················· 27

5-6.

Schematic Diagram — Main Section (1/2)— ·················· 29

5-7.

Schematic Diagram — Main Section (2/2)— ·················· 31

5-8.

Schematic Diagram — HP/Function Section — ·············· 33

5-9.

Printed Wiring Board — HP/Function Section — ··········· 34

5-10. Schematic Diagram — Display Section — ······················ 35
5-11. Printed Wiring Board — Display Section — ··················· 37
5-12. IC Block Diagrams ··························································· 39
5-13. IC Pin Functions ······························································· 42

6-1.

Front Panel and Case Section ··········································· 46

6-2.

Back Panel and Disc Table Section ·································· 47

6-3.

Chassis Section ································································· 48

6-4.

Base Unit Section (BU-5BD22) ······································· 49

··································· 50

PARTS No.

MODEL

4-998-478-0

π

4-998-478-2

π

4-998-478-4

π

4-998-478-5

π

US
E
SP
AEP

,,,,,,,,

yyyyyyyy

PART NO.

— 3 —

!

!

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 AC leakage. Check leakage as
described below.

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. 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” indication
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 2V AC range are suitable. (See
Fig. A)

To Exposed Metal 

Parts on Set

0.15 

µ

F

1.5 k

Ω

AC
Voltmeter
(0.75 V)

Earth Ground

Fig. A.  Using an AC voltmeter to check AC leakage.

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.

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.

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

• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be

 damaged by heat.

• Keep the temperature of 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.

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 of the
unit.

— 4 —

IN

OUT

Tray

Insert a tapering driver into the aperture of the unit bottom, and turn in
the direction of arrow (to OUT direction).

*

 To close the disc tray, turn driver in the reverse direction

   (to IN direction).

5

 Stopper washer (5)

3

 Rotate the GEAR (U/D)

    to the arrow 

A

 direction.

4

 Install the MAIN GEAR

    as show in the drawing.

2

 Slide the SET LEVER to the

    arrow 

B

 direction.

1

 Set the mark of

    ROTARY ENCODER.

A

B