Philips AZ-9218 Service Manual

PRODUCT FAMILY DORIS2 – PB2

Technical specification ......................................................1-1

Connections and controls..................................................1-2

Features ............................................................................1-3

Accessories .......................................................................1-3

Safety & Warnings.............................................................1-4

Service hints

Repair positions ............................................................2-1

Dismantling CD-door.....................................................2-1

CD-drive cleaning & lubrication.....................................2-2

CD-drive lens cleaning..................................................2-2

Handling chip components............................................2-3

Service tools..................................................................2-3

Pin description of ICs ................................................3-1...3-4

Start-up procedure.............................................................3-5

Service Test Program................................................3-6...3-7

Blockdiagram.....................................................................3-8

Circuit diagrams

Part1 (signal processing) ..............................................4-1

Part2 (control) ...............................................................4-2

Part3 (supply)................................................................4-3

Printed circuit board

Componentside view.....................................................4-4

Copperside view............................................................4-5

Exploded view...........................................................5-1...5-3

Mechanical partslist...........................................................5-1

Electrical partslist ......................................................6-1...6-4

CS 46 658

Published by PW 0005 Service Audio Printed in The Netherlands Subject to modification

Portable compact disc player

CLASS 1

LASER PRODUCT

AZ7902 AZ9001 AZ9002 AZ9003 AZ9011 AZ9101

AZ9102 AZ9103 AZ9104 AZ9106 AZ9111 AZ9113

AZ9141 AZ9142 AZ9143 AZ9201 AZ9202 AZ9203

AZ9211 AZ9213 AZ9214 AZ9218

all versions

TABLE OF CONTENTS

All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips.

1-1

CS 46 659

TECHNICAL SPECIFICATION

General

Dimensions (WxHxD) : 128x28x139mm Weight without batteries : 220g

Power supply modes

DC-in socket : 2.5-6.0V Primary batteries (2xLR6) : 1.6-3.6V Rechargable batteries (AY3362) : 1.6-3.6V

Battery lifetime

Battery level detection

Charge section (not on all versions)

Charge current : 250mA ±10% Charge time for 80% AY3362 : 4.0h nom. Max. charge time (µP controlled) : 7h Temperature protection : 50°C ±5°C

Current consumption

Shock resistance

+X/-X direction : ≥2.5g +Y/-Y direction : ≥2.5g +Z/-Z direction : ≥2.0g

Headphone out (measured with 16Ω load, DBB/ESP off) Output power (THD=10%)

/17 version only : 2x6mW (+1/-3dB)

all other versions : 2x3mW (+1/-3dB) Frequency response (1mW) : 100Hz-20kHz within 6dB S/N ratio (unwght) : ≥78dB (81dB typ.) S/N ratio (A-wght) : ≥81dB (84dB typ.) THD+N (1kHz, 1mW) : ≤1% (0.2% typ.) Channel crosstalk (1kHz, no load): ≤-24dB (-44dB typ.) Channel unbalance (-40dB) : ≤5dB Volume attenuation (1kHz) : ≥60dB

Dynamic Bass Boost DBB

Laser

Output power : <5mW (3mW typ.) Wavelength : 780nm

Measurement setup

Use Audio Signal disc SBC429 4822 397 30184

Low pass filterDUT S/N and distortion meter

i.e. Sennheiser UPM550

with FF-filter

Level meter

i.e. Sound Technology ST1700Bi.e. 4822 395 30204

22kHz 13th order

EGATSBBD

esnopserycneuqerF

zHk36zHk1zHk01

1BBDBd6+ ± Bd2Bd0 ± Bd2Bd0 ± Bd2

2BBDBd9+ ± Bd2Bd0 ± Bd2Bd5+ ± Bd2

EDOMNOITAREPO

)V5.4(YLPPUSNI-CD)V52.2(YLPPUS.TTAB

FFOPSENOPSEFFOPSENOPSE

edom-yalP.pytAm001.pytAm001.pytAm021.pytAm021

edom-pmuJ.pytAm022.pytAm022.pytAm003.pytAm004

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.pytAm03001 µ .pytA

LEVELNOITCETEDseirettabyramirPseirettabelbagrahceR

ytpmeyrettaB

V8.1

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V8.1

Vm05-/001+

1kaewyrettaB

+levelytpmeyrettab

V9.0 ± Vm001

+levelytpmeyrettab

V7.0 ± Vm001

2kaewyrettaB

+levelytpmeyrettab

V6.0 ± Vm001

+levelytpmeyrettab

V5.0 ± Vm001

3kaewyrettaB

+levelytpmeyrettab

V3.0 ± Vm001

+levelytpmeyrettab

V3.0 ± Vm001

EPYTYRETTABFFOPSENOPSE

seirettabyramirP

6RLx2

≥ h41

).pyth02(

≥ h41

).pyth71(

seirettabelbagrahceR

)hAm0021(2633YA

≥ h7

).pyth5.9(

≥ h7

).pyth5.9(

1 9 .....................stops CD play, clears a program or switches the

player off

2 DBB.................DIGITAL DYNAMIC BASS BOOST switches the

bass enhancement on and off

3 § ....................skips and searches CD tracks forwards

4 2; ...................switches the player on, starts or pauses CD play

5 ........................display

6 ∞ ....................skips and searches CD tracks backwards

7 PROGRAM .....programs tracks and reviews the program

8 MODE .............selects the different playing possibilities:

SHUFFLE, SHUFFLE REPEAT ALL, REPEAT, REPEAT ALL

and SCAN

9 RESUME.........stores the last position of a CD track played

HOLD..............locks all buttons

OFF.................switches RESUME and HOLD off

0 LINE OUT/p ....3.5mm headphone socket, socket to connect the

player to another analogue audio input of an additional appliance

! VOL E..........adjusts the volume

@ OPEN 2 ..........opens the CD lid

# 4.5V DC ..........socket for external power supply

$ ........................typeplate

% ESP.................Electronic Skip Protection ensures continuous

CD playback regardless of vibrations and shocks

1-2

CS 46 660

CONNECTIONS AND CONTROLS

PEN

• R

• H

DIG

5 4

3 2

10 11 12

TROUBLESHOOTING (excerpt from the Instruction For Use)

Problem Possible cause Solution

No power, Batteries playback does Batteries inserted incorrectly Insert the batteries not start correctly

Batteries are empty Change the batteries Contact pins are dirty Clean them with a cloth

Mains adapter

Loose connection Connect the adapter

securely

In-car use

Cigarette lighter is not Switch on ignition or insert powered when ignition is off batteries

nF d1SC CD-RW (CD-R) is not Use FINALIZE on the indication recorded properly CD Recorder to complete

the recording

no d1SC The CD is badly scratched Replace or clean the CD indication or dirty

CD is not or incorrectly inserted Insert a CD, label upwards The laser lens is steamed up Wait until the lens has

cleared

HoLd HOLD is activated Deactivate HOLD indication

Electrostatic discharge Disconnect the set from

and/or

power supply or take out

no reaction

the batteries for a few

to controls

seconds

Problem Possible cause Solution

CD skips tracks The CD is damaged or dirty Replace or clean the CD

RESUME, SHUFFLE or PROGRAM Switch RESUME, SHUFFLE

is active or PROGRAM off

No sound or PAUSE is activated Press 2; bad sound

Loose, wrong or dirty Check and clean

quality

connections connections Volume is not adjusted Adjust the volume Malfunctions due to vicinity Keep the player away from

of active mobile phones active mobile phones Strong magnetic fields near Change the player’s

the player position or connections

In-car use

Cassette adapter is inserted Insert the cassette adapter incorrectly correctly

Temperature inside the car Let the player adjust to is too high/low the temperature

Cigarette lighter socket Clean the cigarette is dirty lighter socket

Wrong playback direction of Change the autoreverse the car cassette player’s direction autoreverse feature

1-3

CS 46 661

AZ7902

AZ9001

AZ9002

AZ9003

AZ9011

AZ9101

AZ9102

AZ9103

AZ9104

AZ9106

AZ9111

AZ9113

AZ9141

AZ9142

AZ9143

AZ9201

AZ9202

AZ9203

AZ9211

AZ9213

AZ9214

AZ9218

CD-RW COMPATIBILITY ELECTRONIC SKIP PROTECTION ESP DRAM SIZE [Mbit] HOLD / RESUME FUNCTION DBB STAGES ACOUSTIC FEEDBACK PROGRAM MEMORY RECHARGE NiCd / NiMH CORD REMOTE CONTROL LCD BACKLIGHT LINE / OPT. DIGITAL OUTPUT

●

– –

●/● 2

●

●/● – –

–/–

FEATURES OF CD-PORTABLE PRODUCT FAMILY “DORIS2 – PB2”

●

12s

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–/–

– –

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12s

●/● 2

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–/–

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12s

●/● 2

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– –

–/–

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12s

●/● 2

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–/–

– –

–/–

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40s

●/● 2

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–/–

– –

–/–

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40s

●/● 2

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–/–

– –

–/–

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40s

●/● 2

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–/–

– –

–/–

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40s

●/● 2

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–/–

– –

–/–

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40s

●/● 2

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–/–

– –

–/–

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40s

●/● 2

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–/–

– –

–/–

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45s

●/● 2

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–/–

– –

–/–

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40s

●/● 2

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–/–

– –

–/–

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45s

●/● 2

●

●/● – –

–/–

●

40s

●/● 2

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–/–

– –

–/–

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40s

●/● 2

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–/–

– –

–/–

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45s

●/● 2

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–/–

– –

–/–

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45s

●/● 2

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–/–

– –

–/–

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45s

●/● 2

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–/–

– –

–/–

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45s

●/● 2

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–/–

– –

–/–

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45s

●/● 2

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–/–

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–

–/–

●

45s

●/● 2

●

–/–

– –

–/–

FEATURES

AZ7902

AZ9001

AZ9002

AZ9003

AZ9011

AZ9101

AZ9102

AZ9103

AZ9104

AZ9106

AZ9111

AZ9113

AZ9141

AZ9142

AZ9143

AZ9201

AZ9202

AZ9203

AZ9211

AZ9213

AZ9214

AZ9218

/00

/00z

/05

/11

/17

/00

/05

/01

/09

/10

/18

/19

/00

/17

/16

/17

/00

/05

/11

/13

/10

/00

/17

/00

/17

X O O

AY3170/00 AC/DC Adaptor AY3170/02 AC/DC Adaptor AY3170/05 AC/DC Adaptor AY3170/09 AC/DC Adaptor AY3170/10 AC/DC Adaptor AY3170/12 AC/DC Adaptor AY3170/13A AC/DC Adaptor AY3170/17 AC/DC Adaptor AY3266/00 Pouch

(Neoprene)

AY3362/00 Rechargable Batt. NiMH AY3501/00 Car Adaptor Cassette AY3545/00 Car DC/DC Converter AY3677/00 Earphone

(L-plug)

AY3677/00S Earphone (straight plug) AY3682/00 Headphone (L-plug) AY3767/00 Cord Remote Control AY3464 HiFi Cord

(3.5mm L-plug→cinch)

X...supplied with the set, O...optional available

ACCESSORIES FOR CD-PORTABLE PRODUCT FAMILY “DORIS2 – PB2”

4822 219 10617 4822 219 10676 4822 219 10672 4822 219 10679 4822 219 10681 4822 219 10671 3140 118 31590 4822 219 10616

12NC follows 3103 308 84120 4822 397 10059 4822 219 10033 4822 242 11004 4822 242 11021 4822 242 11003

12NC follows 4822 320 11881

O O X

O O

O O X

O O

X O O X

X X X

O O

X X X

O O

X O O X

X X X

O O X

X X O O

X O

O O

X X

O O

X X

O O

X X X

ACCESSORIES

1-4

CS 46 662

All ICs and many other semiconductors are susceptible to electrostatic discharges (ESD). Careless handling during repair can reduce life drastically. When repairing, make sure that you are connected with the same potential as the mass of the set via a wristband with resistance. Keep components and tools at this potential.

f ATTENTION

Tous les IC et beaucoup d´autres semi-conducteurs sont sensibles aux décharges statiques (ESD). Leur longévite pourrait être considérablement écourtée par le fait qu´aucune précaution nést prise à leur manipulation. Lors de réparations, s´assurer de bien être relié au même potentiel que la masse de l´appareil et enfileer le bracelet serti d´une résistance de sécurité. Veiller à ce que les composants ainsi que les outils que l´on utilise soient également à ce potentiel.

d WARNUNG

Alle ICs und viele andere Halbleiter sind empfindlich gegenüber elektrostatischen Entladungen (ESD). Unsorgfältige Behandlung im Reparaturfall kann die Lebensdauer drastisch reduzieren. Sorgen Sie dafür, daß Sie im Reparaturfall über ein Pulsarmband mit Widerstand mit dem Massepotential des Gerätes verbunden sind. Halten Sie Bauteile und Hilfsmittel ebenfalls auf diesem Potential.

ñ WAARSCHUWING

Alle IC´s en vele andere halfgeleiders zijn gevoelig voor electrostatische ontladingen (ESD). Onzorgvuldig behandelen tijdens reparatie kan de levensduur drastisch doen vermindern. Zorg ervoor dat u tijdens reparatie via een polsband met weerstand verbonden bent met hetzelfde potentiaal als de massa van het apparaat. Houd componenten en hulpmiddelen ook op ditzelfde potentiaal.

i AVVERTIMENTO

Tutti IC e parecchi semi-conduttori sono sensibili alle scariche statiche (ESD). La loro longevità potrebbe essere fortemente ridatta in caso di non osservazione della più grande cauzione alla loro manipolazione. Durante le riparationi occorre quindi essere collegato allo stesso potenziale che quello della massa delápparecchio tramite un braccialetto a resistenza. Assicurarsi che i componenti e anche gli utensili con quali si lavora siano anche a questo potenziale.

Safety regulations require that the set be restored to its original condition and that parts which are identical with those specified be used. Safety components are marked by the symbol

Le norme di sicurezza estigono che l´apparecchio venga rimesso nelle condizioni originali e che siano utilizzati i pezzi di ricambiago identici a quelli specificati. Componenty di sicurezza sono marcati con

Veiligheidsbepalingen vereisen, dat het apparaat in zijn oorspronkeliijke toestand wordt teruggebracht en dat onderdelen, identiek aan de gespecificeerde, worden toegepast. De Veiligheidsonderdelen zijn aangeduid met het symbool

s Varning !

Osynlig laserstrålning när apparaten är öppnad och spärren är urkopplad. Betrakta ej strålen.

∂ Advarsel !

Usynlig laserstråling ved åbning når sikkerhedsafbrydere er ude af funktion. Undgå udsaettelse for stråling.

ß Varoitus !

Avatussa laitteessa ja suojalukituksen ohitettaessa olet alttiina näkymättömälle laserisäteilylle. Älä katso säteeseen !

"Pour votre sécurite, ces documents doivent être utilisés par des spécialistes agréés, seuls habilités à réparer votre appareil en panne".

ESD

SAFETY

Bei jeder Reparatur sind die geltenden Sicherheitsvorschriften zu beachten. Der Originalzustand des Gerätes darf nicht verändert werden. Für Reparaturen sind Originalersatzteile zu verwenden. Sicherheitsbauteile sind durch das Symbol markiert.

Les normes de sécurité exigent que l`appareil soit remis à l`état d`origine et que soient utilisées les pièces de rechange identiques à celles spécifiées. Les composants de sécurité sont marqués

CLASS 1

LASER PRODUCT

DANGER: Invisible laser radiation when open.

©

After servicing and before returning the set to customer perform a leakage current measurement test from all exposed metal parts to earth ground, to assure no shock hazard exists. The leakage current must not exceed 0.5mA.

AVOID DIRECT EXPOSURE TO BEAM.

AVAILABLE ESD PROTECTION EQUIPMENT :

anti-static table mat large 1200x650x1.25mm 4822 466 10953

small 600x650x1.25mm 4822 466 10958

anti-static wristband 4822 395 10223 connection box (3 press stud connections, 1MΩ) 4822 320 11307 extendible cable (2m, 2MΩ, to connect wristband to connection box) 4822 320 11305 connecting cable (3m, 2MΩ, to connect table mat to connection box) 4822 320 11306 earth cable (1MΩ, to connect any product to mat or to connection box) 4822 320 11308 KIT ESD3 (combining all 6 prior products - small table mat) 4822 310 10671 wristband tester 4822 344 13999

SAFETY & WARNINGS

2-1

CS 46 663

SERVICE HINTS

REPAIR POSITION COPPERSIDE

To get access to the copperside of the printed board assembly proceed as follows:

1. Remove the bottom screws (6x)

2. Lift the bottom-cabinet

3. Supply the unit via external DC-socket

4. Take care that the door switch is closed during measurements

To get access to the componentside of the printed board assembly proceed as follows:

1. Remove the bottom screws (6x)

2. Open the CD-door

3. Lift the top-cabinet and put it backwards on the table

4. Supply the unit via the external DC-socket

5. Take care that the door switch is closed during measurements

REPAIR POSITION COMPONENTSIDE

DISMANTLING THE CD-DOOR

To dismantle the CD-door proceed as follows:

1. Disconnect the membrane keyboard (flex-foil connector on copperside of printed board)

2. Smoothly bend the bridge of the cabinet downwards as shown in 1. Take care not to touch the lens

3. Smoothly pull out the right hinge of the CD-door as shown in 2.

4. Lift the CD-door

Remark: Do not use screwdrivers or tools like that.

Sharp edges could damage hinge or cabinet part.

VAM2103/08 – DRIVE CLEANING & LUBRICATION

Use an acid-free synthetic grease – i.e. “Tribol 9890-2” or equivalent.

Before greasing the mechanism first remove the old grease from the mechanism. Use a cotton swab dipped in alcohol to clean the mechanism.

Cleaning the mechanism

1. Clean the lower and upper sledge guidance plane (optical pick-up).

2. Clean the spindle shaft.

3. Clean the area between the worm gear, idler wheel and clamping spring.

Lubricating the mechanism

1. Put one dot of grease onto the upper sledge guidance plane on each side of the sledge. Move the sledge to the inner and outer position to spread the grease. Put one dot of grease onto the lower sledge guidance plane on each side of the sledge. Move the sledge to the inner and outer position to spread the grease.

2. Put one dot of grease onto the spindle shaft on both sides of the sledge. Move the sledge to the inner and outer position to spread the grease.

3. Put one dot of grease between the worm gear and the clamping spring.

VAM2103/08 – LENS CLEANING

Because the material of the lens is synthetic and coated with a special anti-reflectivity layer, cleaning must be done with a non-aggressive cleaning fluid. It is advised to use “KODAK LENS CLEANER CAT 176 71 36”, available in normal photo shops.

The actuator is a very precise mechanical component and may not be damaged in order to guarantee its full function. It is advised to clean the lens gently (don’t press too hard) with a soft and clean cotton bud moistened with the special lens cleaner.

The direction of cleaning must be in the way as indicated in the picture below.

Before touching the lens it is advised to clean the surface of the lens by blowing clean air over it in order to avoid that little particles make scratches on the lens.

Lubrication of the CD-drive is only necessary in case of symptom “skipping tracks”. The reason can be dirt which sticks to the grease or the grease is getting aged.

2-2

CS 46 664

HANDLING CHIP COMPONENTS

SERVICE TOOLS

Audio signal disc SBC429 4822 397 30184 Playability test disc SBC444 4822 397 30245 Test disc 5 (disc without errors) + Test disc 5A (disc with dropout errors,

black spots and fingerprints) SBC426/SBC426A 4822 397 30096

ESD PROTECTION EQUIPMENT

Anti-static table mat large 1200x650x1.25mm 4822 466 10953

small 600x650x1.25mm 4822 466 10958

Anti-static wristband 4822 395 10223 Connection box (3 press stud connections, 1MΩ) 4822 320 11307 Extendible cable (2m, 2MΩ, to connect wristband to connection box) 4822 320 11305 Connecting cable (3m, 2MΩ, to connect table mat to connection box) 4822 320 11306 Earth cable (1MΩ, to connect any product to mat or to connection box) 4822 320 11308 KIT ESD3 (combining all 6 prior products - small table mat) 4822 310 10671 Wristband tester 4822 344 13999

2-3

CS 46 665

PIN DESCRIPTION OF INTEGRATED CIRCUITS

TDA1300T – HF-PREAMPLIFIER AND LASER SUPPLY CIRCUIT (part of CD-drive VAM2103/08)

Pin Name Direction Description

–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

1 O4 HF-preamp → CD10 output of current amplifier 4 2 O6 HF-preamp → CD10 output of current amplifier 6 3 O3 HF-preamp → CD10 output of current amplifier 3 4 O1 HF-preamp → CD10 output of current amplifier 1 5 O5 HF-preamp → CD10 output of current amplifier 5 6 O2 HF-preamp → CD10 output of current amplifier 2 7 LDON CD10 → HF-preamp control pin for switching the laser on/off 8 VDDL +2.7 laser supply voltage

9 VRFE HF-preamp → equalized output voltage of sum signal of amplifiers 1...4 10 VRF HF-preamp → unequalized output 11 HG GND control pin for gain switch 12 LS CD10 → HF-preamp control pin for double speed switch (switches equalization) 13 C external connection external capacitor (bandwidth of ALPC) 14 ADJ → HF-preamp reference input 15 GND GND 0V supply, substrate connection 16 LO HF-preamp → laser diode current output to laser diode 17 MI monitor diode → HF-preamp laser monitor diode input 18 VDD +3 positive supply voltage 19 I2 GND photo detector input 2 (not used) 20 I5 diode array → HF-preamp photo detector input 5 (satellite) 21 I1 diode array → HF-preamp photo detector input 1 (central) 22 I3 diode array → HF-preamp photo detector input 3 (central) 23 I6 diode array → HF-preamp photo detector input 6 (satellite) 24 I4 diode array → HF-preamp photo detector input 4 (central)

MPC17A50VM – 4-CHANNEL H-BRIDGE SERVODRIVER

Pin Name Direction Description

1 CGND GND ground (control part)

2 VLG +2.7 power supply input (control part)

3 ERR2 CD10 → servo driver error level input (slide error signal)

4 NI2 → servo driver filter capacitor connection in ABS amp circuit section

5 OP2 → servo driver filter capacitor connection in ABS amp circuit section

6 ERR1 CD10 → servo driver error level input (focus error signal)

7 NI1 → servo driver filter capacitor connection in ABS amp circuit section

8 OP1 → servo driver filter capacitor connection in ABS amp circuit section

9 LIM → servo driver limit control level signal input 10 VR → servo driver control reference voltage input (VR=VLG/2) 11 CLK → servo driver clock signal input 12 OP3 → servo driver filter capacitor connection in ABS amp circuit section 13 NI3 → servo driver filter capacitor connection in ABS amp circuit section 14 ERR3 CD10 → servo driver error level input (radial error signal) 15 OP4 → servo driver filter capacitor connection in ABS amp circuit section 16 NI4 → servo driver filter capacitor connection in ABS amp circuit section 17 ERR4 CD10/µP → servo driver error level input (motor speed error signal) 18 PHSW GND CH4 mode setup (if PHSW=high, CH4 operates half-bridge) 19 POL CD10 → CH4 polarity monitor output 20 CFL4 → servo driver pin for connecting filter for capacitor 21 CFL3 → servo driver pin for connecting filter for capacitor 22 OUT4A servo driver → disc motor H-bridge output A 23 OUT4B servo driver → disc motor H-bridge output B 24 VIN34 +A CH3 and CH4 output stage power supply 25 OUT3B servo driver → track actuator H-bridge output B 26 PGND34 GND CH3 and CH4 output stage ground 27 OUT3A servo driver → track actuator H-bridge output A 28 OUT1A servo driver → focus actuator H-bridge output A 29 PGND12 GND CH1 and CH2 output stage ground 30 OUT1B servo driver → focus actuator H-bridge output B 31 VIN12 +A CH1 and CH2 output stage power supply 32 OUT2B servo driver → slide motor H-bridge output B 33 OUT2A servo driver → slide motor H-bridge output A 34 CFL1 → servo driver pin for connecting filter for capacitor 35 CFL2 → servo driver pin for connecting filter for capacitor 36 VG VG power supply input (predriver circuit)

3-1

CS 46 666

+ 19 hidden pages