Sony CDP-XE270 - Compact Disc Player Manuel utilisateur

SERVICE MANUAL

COMPACT DISC PLAYER

US Model

AEP Model

UK Model

E Model

Australian Model

CDP-XE270/XE370

Canadian Model

CDP-XE270

SPECIFICATIONS

CDP-XE270/XE370

Photo: CDP-XE370

Ver. 1.4 2006.07

Model Name Using Similar Mechanism NEW

CD Mechanism Type CDM66-5BD27

Base Unit Name BU-5BD27

Optical Pick-up Name PXR-104X or KSS-213C

Compact disc player

Laser Semiconductor laser (λ=

780 nm)

Emission duration:

continuous

Frequency response 2 Hz to 20 kHz ±0.5 dB

Dynamic range More than 93 dB

Harmonic distortion 0.0045%

Outputs

ANALOG

OUT

DIGITAL

OUT

(OPTICAL)

General

Power consumption 11 W

Dimensions (approx.) 430 x 95 x 290 mm

(w/h/d) incl. projecting parts

Mass (approx.) CDP-XE370: 3.2 kg

CDP-XE270: 3.2 kg

Supplied accessories

Audio cord (2 phono plugs – 2 phono plugs) (1)

Remote commander (remote) (1) (CDP-XE370 only)

R6 (size AA) batteries (2) (CDP-XE370 only)

Design and specifications are subject to change

without notice.

Load

impedance

Over 10

kilohms

Wave length:

660 nm

Jack

type

Phono

jacks

Optical

output

connector

Maximum

output level

2 V

(at 50

kilohms)

–18 dBm

Power requirements

Where purchased

US, Canadian models

AEP, UK models

Australian model

Singapore model

Power requirements

120 V AC, 60 Hz

230 V AC, 50/60 Hz

240 V AC, 50/60 Hz

220 V– 230 V AC, 50/60 Hz

9-929-591-15 Sony Corporation

2006G05-1 Home Audio Division

CDP-XE270/XE370

TABLE OF CONTENTS

1. SERVICING NOTES ............................................... 4

2. GENERAL ................................................................... 5

3. DISASSEMBLY

3-1. Disassembly Flow ........................................................... 6

3-2. Case ................................................................................. 6

3-3. CD Mechanism Deck (CDM66-5BD27)........................ 7

3-4. MAIN Board ................................................................... 7

3-5. Base Unit (BU-5BD27)................................................... 8

4. TEST MODE.............................................................. 9

5. ELECTRICAL CHECKS ....................................... 11

6. DIAGRAMS

6-1. Note for Printed Wiring Boards

and Schematic Diagrams ................................................ 13

6-2. Printed Wiring Board –BD Board –............................. 14

6-3. Schematic Diagram –BD Board –................................ 15

6-4. Printed Wiring Boards

–LOADING/MAIN/POWER SW Boards –.................. 16

6-5. Schematic Diagram

–LOADING/MAIN/POWER SW Boards –.................. 17

6-6. Printed Wiring Boards –DISPLAY/KEY Boards –...... 18

6-7. Schematic Diagram –DISPLAY/KEY Boards –.......... 19

6-8. IC Pin Function Description ........................................... 22

7. EXPLODED VIEWS

7-1. Case Section .................................................................... 26

7-2. Front Panel Section ......................................................... 27

7-3. CD Mechanism Deck Section (CDM66-5BD27)........... 28

7-4. Base Unit Section (BU-5BD27) ..................................... 29

8. ELECTRICAL PARTS LIST ............................... 30

Ver 1.1 2001.07

CDP-XE270/XE370

Notes on chip component replacement

•Never reuse a disconnected chip component.

•Notice that the minus side of a tantalum capacitor may be dam-

aged by heat.

Flexible Circuit Board Repairing

•Keep the temperature of the soldering iron around 270 ˚C dur-

ing 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.

CAUTION

Use of controls or adjustments or performance of procedures

other than those specified herein may result in hazardous ra-

diation exposure.

SAFETY CHECK-OUT

After correcting the original service problem, perform the follow-

ing 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

TheAC 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-operatedAC 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 ex-

amples of a passive VOM that is suitable. Nearly all battery

operated digital multimeters that have a 2VAC range are suit-

able. (See Fig. A)

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

1.5 k

Ω

0.15 µF

voltmete

(0.75 V)

To Exposed Metal

Parts on Set

Earth Ground

ATTENTION AU COMPOSANT AYANT RAPPORT

À LA SÉCURITÉ!

LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE 0

SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE

DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ

DE FONCTIONNEMENT. NE REMPLACER CES COM-

POSANTS QUE PAR DES PIÈCES SONY DONT LES

NUMÉROS SONT DONNÉS DANS CE MANUEL OU

DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY MARK 0OR DOTTED

LINE WITH MARK 0ON 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 PUB-

LISHED BY SONY.

The following caution label is located inside the unit.

This appliance is classified as a CLASS 1 LASER

product.

The CLASS 1 LASER PRODUCT MARKING is

located on the rear exterior.

CDP-XE270/XE370 SECTION 1

SERVICING NOTES

NOTES ON HANDLING THE OPTICAL PICK-UP

BLOCK OR BASE UNIT

The laser diode in the optical pick-up block may suffer electro-

static break-down because of the potential difference generated

by the charged electrostatic load, etc. on clothing and the human

body.

During repair, pay attention to electrostatic break-down 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 emis-

sion, observe from more than 30 cm away from the objective lens.

LASER DIODE AND FOCUS SEARCH OPERATION

CHECK

Carry out the “S curve check” in “CD section adjustment” and

check that the S curve waveforms is output three times.

• MODEL IDENTIFICATION

– Rear Panel –

MODEL PART No.

CDP-XE270: AEP model 4-232-151-0[]

CDP-XE270: UK model 4-232-151-1[]

CDP-XE270: US and Canadian models 4-232-151-2[]

CDP-XE270: Australian model 4-232-151-3[]

CDP-XE270: Singapore model 4-232-151-6[]

CDP-XE370: AEP model 4-232-692-0[]

CDP-XE370: UK model 4-232-692-1[]

CDP-XE370: US model 4-232-692-2[]

CDP-XE370: Australian model 4-232-692-3[]

CDP-XE370: Singapore model 4-232-692-6[]

PART No.

CDP-XE270/XE370

SECTION 2

GENERAL This section is extracted from

instruction manual.

CLEAR qg (12)

Disc compartment 6(8)

Display qj (10)

PLAY MODE 2(9, 12, 14)

POWER 1(8)

Remote sensor qh (7)

(CDP-XE370 only)

REPEAT 3(9, 11)

TIME w; (10)

BUTTON DESCRIPTIONS

AOPEN/CLOSE 7(8, 10, 12)

H8(9, 11, 12, 14)

X9(9, 14)

x0(9, 14)

lAMSLdial qa (9, 12, 14)

m/Mqk (9, 13)

LOCATION OF CONTROLS

– FRONT PANEL – – REMOTE CONTROL –

(CDP-XE370 only)

ANALOG OUT LEVEL +/– qk (7, 9)

CHECK qg (12)

CLEAR qf (12)

CONTINUE 2(9, 14)

DISPLAY ON/OFF qs (11)

FADER qd (13)

Number buttons 4(9, 12)

PROGRAM qa (9)

REPEAT 6(9)

SHUFFLE 1(9)

TIME 3(10)

BUTTON DESCRIPTIONS

>10 5(9, 12)

Nqh (9, 11, 12, 14)

X8(9, 14)

xqj (9, 14)

.AMS >9(9, 12, 14)

m/M0(9, 13)

–REAR PANEL –

ANALOG OUT L/R jacks 2(7)

Mains lead 4(7)

DIGITAL OUT OPTICAL jack 1(8)

CDP-XE270/XE370

• This set can be disassembled in the order shown below.

3-1. DISASSEMBLY FLOW

SECTION 3

DISASSEMBLY

Note: Follow the disassembly procedure in the numerical order given.

3-2. CASE

(Page 6)

3-3. CD MECHANISM DECK

(CDM66-5BD27)

(Page 7)

3-5. BASE UNIT

(BU-5BD27)

(Page 8)

3-4. MAIN BOARD

(Page 7)

SET

two screws

(case 3 TP2)

two screws

(case 3 TP2)

screw

(case 3 TP2)

case

CDP-XE270/XE370

3-3. CD MECHANISM DECK (CDM66-5BD27)

3-4. MAIN BOARD

tapering driver

panel, loading

wire (flat type) (21core)

connector (CN151)

CD mechanism deck

(CDM66-5BD27)

– BOTTOM VIEW –

three screws

(BVTP3

Note:When the power supply does not turn on,

rotate the cam with tepering driver (

∅

3 mm) as the figure shows,

and the loading panel will be moved.

connector (CN602)

wire (flat type) (17core)

(CN621)

wire (flat type) (21core)

(CN651)

main board

four screws

(BVTP3

)

two screws

(BVTP3

CDP-XE270/XE370

3-5. BASE UNIT (BU-5BD27)

screw (DIA.12), froating

three screws

(DIA. 12), froating

holder (66)

–BOTTOM VIEW –

two springs

(932), compression

two springs

(932), compression

base unit

(BU-5BD27)

CDP-XE270/XE370

SECTION 4

TEST MODE

AGING MODE

Procedure:

1. While pressing the both xand [CLEAR] buttons, turn the

power on.

2. Tray open-close aging is performed.

3. Press the [TIME] button to display time for open-close on the

fluorescent indicator tube.

4. To release the mode, press the [POWER] button to turn OFF

the power.

CHECK MODE

Procedure:

1. Press the [POWER] button to turn ON the power

2. Press the [ OPEN/CLOSE] button and insert the disc.

3. Press the [POWER] button to turn OFF the power.

4. While pressing the both [PLAY MODE] and [ ] buttons, turn

the power on .

5. CD starts playing, and every time the [TIME] button is pressed,

RFDC and OFFSET are changed over.

6. To release the mode, press the [POWER] button to turn OFF

the power.

ADJ MODE

Procedure:

1. Press the [POWER] button to turn ON the power

2. Press the [ OPEN/CLOSE] button and insert the disc.

3. Press the [POWER] button to turn OFF the power.

4. Short-circuit the test TP (ADJ) of the DISPLAY board and

ground with a lead wire.

5. Press the [POWER] button to turn ON the power and CD plays

the second track.

6. To release the mode, press the [POWER] button to turn OFF

the power.

7. Open-circuit the test TP (ADJ) of the DISPLAY board and

ground with a lead wire.

AFADJ MODE (KEY AND FLUORESCENT INDICA-

TOR TUBE DISPLAY CHECK MODE)

Procedure:

1. Short-circuit the test TP (AFADJ) of the DISPLAY board and

ground with a lead wire.

2. Press the [POWER] button to turn ON the power.

The whole fluorescent indicator tube lights up.

3. All buttons have individual button numbers.

When a button is pressed, the button number is counted up

and displayed.

When remote controller signals are received, “RM **” will be

displayed.

(** are the numbers corresponding to the remote controller

buttons.) (CDP-CE370 only)

4. To release the mode, press the [POWER] button to turn OFF

the power.

5. Open-circuit the test TP (AFADJ) of the DISPLAY board and

ground with a lead wire.

Buttons and Corresponding Button Numbers

Button Button Number or Display

H(PLAY) Partical lighting 1

X(PAUSE) 02

x(STOP) Partical lighting 2

lAMSL (button) 04

m05

M06

TIME 07

PLAY MODE 08

CLEAR 09

REPEAT 10

AOPEN/CLOSE All lit

lAMSL (knob)

When rotated clockwise: The music calendar

numerals light up in ascending order.

When rotated counterclockwise: The music

calendar numerals light up in descending

order.

Count up display Displays button number

SECMIN

Partial lighting 1

6810

12 14

16 18 20

Partial lighting 2

[ ]

CDP-XE270/XE370

Checking Location:

– DISPLAY BOARD (Conductor Side) –

(ADJ)

(AFADJ)

(GND)

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