PHILIPS FWD570 Service Manual

Service

Mini System

Service Manual

Service Service

Service

FWD570/21M

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.

Published by SL-ET0447 Service Audio Printed in The Netherlands Subject to modification.

Version 1.0

TABLE OF CONTENTS

Page

Location of PC Boards................................................1-2

Versions Variation & Package .................................... 1-2

Specifications..............................................................1-3

Measurement Setup ................................................... 1-4

Service Aids ................................................................1-5

ESD & Safety Instruction ............................................1-6

Setting Procedure & Repair Instructions ....................... 2

Disassembly Instructions & Service positions .............. 3

Block & Wiring Diagram ................................................ 4

Key/Video/Sensor/Phone/Vol /Vu Board ....................... 5

Tuner Board ................................................................... 6

Main Board .................................................................... 7

Power Board .................................................................. 8

Mechanical Exploded View & Parts List ...................... 11

VIDEO CD

CLASS 1

LASER PRODUCT

3141 785 30100

WARNING

Under no circumstances should you try to repair the system yourself, as this will

invalidate the warranty. Do not open the system as there is a risk of electric shock.

If a fault occurs, first check the points listed below before taking the system for repair. If

you are unable to remedy a problem by following these hints, consult your dealer or

Philips for help.

Problem

Solution

Troubleshooting

No power.

“NO DISC” is displayed.

No picture.

Distorted or poor picture.

The aspect ratio of the screen cannot be

changed even though you have set the TV

shape.

The DVD player does not start playback.

The system does not respond when the

buttons are pressed.

✔

Check if the AC power cord is properly

connected.

✔

Check if the disc is inserted upside down.

✔

Wait until the moisture condensed at the lens

has cleared.

✔

Replace or clean the disc, see “Maintenance”.

✔

Use a readable disc or correctly recorded format

MP3-CD.

✔

Select the appropriate video input mode on the

TV set.

✔

Check if the TV set is switched on.

✔

Check the video connection.

✔

Check if the system is securely connected.

✔

Sometimes a slight picture distortion may appear.

This is not a malfunction.

✔

Clean the disc.

✔

Connect the system to the S-video input of your

TV set.

✔

The aspect ratio is fixed on the DVD disc.

✔

The aspect ratio may not be changed for some

TV systems.

✔

Insert a readable disc.

✔

Check the disc type, color system and region

code.

✔

Clean the disc.

✔

Place the disc with the playback side down.

✔

Press SYSTEM MENU to turn off the setup

menu.

✔

Cancel the parental control rating function or

change the rating level.

✔

Moisture has condensed inside the system.

Remove the disc and leave the system turned on

for about an hour.

✔

Disconnect the power plug from the jack, and

insert again.

Tr oubleshooting

Problem

Solution

The language for the sound or subtitle

cannot be changed when playing a DVD.

No image is output when a function is

selected.

Sound cannot be heard or is of poor

quality

Poor radio reception.

Recording or playback cannot be made

The tape deck door cannot open

Left and right sound outputs are

reversed.

The remote control does not function.

The display is dark

The timer is not working

The Clock/Timer setting is erased

✔

Multi-language sound or subtitle is not recorded

on the DVD.

✔

Changing the language for the sound or subtitle

is prohibited on the DVD.

✔

Make sure the component is connected

correctly.

✔

Press the correct function button for the input

source.

✔

Adjust the volume.

✔

Disconnect the headphones.

✔

Check that the speakers are connected correctly.

✔

Check if the stripped speaker wire is clamped.

✔

If the system is in pause, slow motion or fast

forward/reverse mode, press 2; to resume the

normal play mode.

✔

Make sure the MP3-CD was recorded within 32-

256 kbps bit rate with sampling frequencies at

48 kHz, 44.1 kHz or 32 kHz.

✔

If the signal is too weak, adjust the antenna or

connect an external antenna for better

reception.

✔

Increase the distance between the System and

your TV set or VCR.

✔

Clean deck parts, see “Maintenance”.

✔

Use only NORMAL tape.

✔

Apply a piece of adhesive tape over the missing

tab space.

✔

Remove and reconnect the AC power plug and

switch on the system again.

✔

Check the speaker connections and location.

✔

Point the remote control at the remote control

sensor of the unit.

✔

Reduce the distance to the player.

✔

Remove any possible obstacles.

✔

Replace the batteries with new ones.

✔

Check that the batteries are loaded correctly.

✔

Press DIM again.

✔

Set the clock correctly.

✔

If recording is in progress, stop it

✔

Power has been interr upted or the power cord

has been disconnected. Reset the clock/timer.

TROUBLESHOOTING

1-13

2-1

System, Region code, Tuner, etc. setting procedure

1) System Reset

a) Press "SYSTEM" button on R/C. TV show "SETUP"

b) Select the menu using the " " and " " button on R/C

c) Go feature setup page to do system reset

2) Region Code Change

After replacement / repair of the MPEG board, the customer

setting and the region code may lost. Changing the Region

code will put the player back in the state which it has left the

factory.

Region Code

1 USA

2EU

3AP

4 Australia, NZ, Latam

5 RUSSIA, INDIA

6 CHINA

TV System

1 NTSC

2PAL

3 AUTO

Menu/ Audio Subtitle (AS) Language

1 English

2 English

3 English

4 English

AFS

001 LX3000D/LX3500D /MRD200

002 MX3600D/MX3800

003 LX3700D/LX3750W

005 MRD210

006 MX3660D

008 FW-D550/FWD570

Hence in total, reprograming will be done by way of the

remote control. It should run as below :-

a) Put the player in stop mode. No disc loaded.

b) Press the following key on remote control:

For FW-D550 /21M (A/P) :

∗∗

∗ After the Region Code is changed it is necessary to reset

∗∗

the system so that the new Region Code will be fully

effective. All customer setting will be lost.

∗∗

∗ On top of the maximum number of times allowed for

∗∗

changing the region code is changed to 25.

∗∗

∗ When the counter reach 25, you will not be able to further

∗∗

change the code until you reset the timer by the Region

Code timer reset procedure

CAUTION !

This information is confidencial and may not be distributed. Only a qualified service person should reprogram the Region Code.

3) Region code change timer reset

Press below key to reset the timer :

a) In DISC source, stop mode and no disc in tray.

b) Press R/C "Play -159-PLAY" to reset timer to 25

4) Tuner area change

a) Press the "OPEN/CLOSE" button to open the set's door

b) Press "1" "5" "9" button by using R/C.

c) TV Show "TUNER AREA"

d) Select the tuner area you want by using the " " and

" " button on R/C, then press "OK" to confirm. TV show

" TUNER AREA CHANGED"

If you didn't press it in five seconds, the system will remain

original status.

AREA BAND FREQUENCY (Hz) STEP(Hz)

87.5M 108M 50K

A/P (21M)

Note :-

Please refer to the above different tuner area.

531K 1602K 9K

530K 1710K 10K

5. Video Out Change

a) Press "SYSTEM" on R/C button

b) Select the menu using the " " and " " button on R/C

c) Go picture setup page select Video out item.

6. Password Change

a) Press "SYSTEM" on R/C button

b) Select the menu using the " " and " " button on R/C

c) Go feature setup page select "PASSWORD". TV show

"ENTER CODE".Press 4 times of "STOP" button on R/C.

d) Select "PARENTAL" "8 ADULT" on TV.

e) Enter PASSWORD to "1234".

∗∗

∗

"1234" is a default password supplied.

∗∗

7. Checking on the Software version

a) Open the CD door.

b) Press "123" and "OK" on the remote control.

c) TV will show the version on screen.

8. Upgrading new software

a) Open the door, then insert the CD-R program disc.

b) Close the door.

c) TV will show:-

"disc loading"

"bank30.rom"

"writing" about 6 seconds.

"Done"

∗ ∗

∗

The latest upgraded is in version VER*****.

∗ ∗

oem derivative

region code = 1 digit

tv system = 1 digit

"as/menu lang" = 1 digit

"AFS" = "architechture Feature Set" = 3 digits

This field is used to define the architecture / features sets for

each product.

"oem derivative" = 2 digit

This field is use to define the OEM set. This will affect the

background display.

REPAIR INSTRUCTIONS

2-2

REPAIR INSTRUCTIONS

2-3 2-3

DISMANTLING INSTRUCTIONS

Pull out

Dismantling of the Cassette Cover

3-1 3-1

Pull out

Figure 1

Dismantling the 3CDC Module

1) Loosen the 4 screws, slide Cover top (pos 255) towards the rear and remove it upwards.

3) Push the gear slowly towards the front as shown in figure 3 until the CDC tray starts to move out of the Front Cabinet. The CDC tray is now disengaged and can be pulled out completely.

Press and hold it between the tape deck and the cassette door

Figure 2

4) Remove the Cover Tray as shown in figure 4.

5) Loosen 4 screws A to remove the CDC Module (pos 1 105) as shown in figure 3.

Figure 4

Dismantling of the Cover Front Display and Cover Front Ornamental (pos 130)

1) Remove the Volume knobs as stated in Dismantling the Cover Front Display in Figure 5.

Notes: There is nothing are sandwiched between the

Front Cabinet (pos 101) and Cover Front Display (pos 129) but it has to be removed in order to reach the catches for the Cover Front Ornamental (pos 130) .

Figure 3

Turn the gear towards the front till the CDC tray starts to open

Figure 5

3-2

Detaching the Main board and Front Cabinet Assembly from the Bottom/Rear assembly

1) Release 2 catches 'B' to free the Main board from the Front Cabinet Assembly as shown in figure 6.

2) Loosen 2 screws 'D ' at the bottom of the Front Cabinet on both sides of the set.

3) Release 2 catches 'C' on both sides of the Front Cabinet and pull the Front Cabinet assembly out of the Bottom plate.

Pull out main board

Dismantling of the Rear Panel

1) Loosen 8 screws 'J' to remove the Rear Panel figure 11.

3) Release 2 catches 'K' on both sides of the Rear Panel with the help of a minus screw driver and pull out the Rear Panel figure 11.

Figure11

Dismantling of the Key Board , VFD Board,Tape Board and Cassette module

1) Loosen 5 screws 'E' to remove the Bracket CDC Right as shown in figure 7.

2) Loosen 5 screws 'F' to remove the KEY board figure 7.

3) Loosen 9 screws 'H' to remove the VFD Board figure 9.

4) Loosen 1 screws 'G' to remove the Tape Board figure 8.

5) Loosen 8 screws 'I' to remove the Cassette Module figure

10.

Figure 7

Figure 6

Dismantling of the Power Board

1) Loosen 4 screws 'L' to remove the Power Board figure 12.

Figure 10

Figure 12

Figure 9

3-3 3-3

Service positions

Service position A Service position B

Note: After re-assembly, it is very important to ensure the

wires are properly inserted into their respective sockets and routed not to touch or obstruct any moving parts.

Service position C

SET BLOCK DIAGRAM

4-1

SET WIRING DIAGRAM

4-2

5-1

KEY / VIDEO / SENSOR /

PHONE / VOL / VU BOARD

5-1

FTD DISPLAY PIN ASSIGNMENT

TABLE OF CONTENTS

FTD Display Pin Assignment........................................... 5-1

FTD Display Pin Connection ........................................... 5-1

Internal IC Diagram & Pin Description ............................ 5-2

Circuit Diagram ................................................................5-3

PCB Layout Top View ...................................................... 5-4

PCB Layout Bottom View ................................................ 5-5

Electrical Parts List ..........................................................5-7

PIN CONNECTION

6/4 45

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## Note ##

1. Fn: Filament pin

2. nG : Grid pin

3. Pn : Anode pin

4. NP : No Pin

5. NC : No Connection pin

5-2

)

5-2

INTERNAL BLOCK DIAGRAM VFD CONTROLLER - IC TP6311QH

Control

OSC

OUT

CLK

STB

SW 1

SW 2

SW 3

SW 4

Serial

Data

interface

OSC

Genaral

Input

Genaral

Input

Timming

Generator

Key Matrix

Memory

Segment

Driver/

Grid

Driver/

Key Scan

Output

SG1/KS1

SG2/KS2

SG3/KS3

SG4/KS4

SG5/KS5

SG6/KS6

SG7/KS7

SG8/KS8

SG9/KS9

SG10/KS10

SG11/KS11

SG12/KS12

SG13/GR16

SG14/GR15

SG15/GR14

SG16/GR13

SG17/GR12

SG18/GR11

SG19/GR10

SG20/GR9

PIN DESCRIPTION VFD CONTROLLER - IC TP6311QH

/IemaN niPO noitpircseD

OTUOD

INID

IKLC

IBTS

I4K ot 1K

hTsi ipaf eht ta atad laires stuptuo n gnill

nI ataDniP tup

hTsi ip

oC oN-CNnoitcenn

niP tupnI kcolC

hTsi ip

ta atad stuptuoaf eht gnill.egde

laireStS ecafretnIniP ebor

hTsi nellaf sah BTS eht retfa tupni atad e

ecorpsa dess oc a.dnamm

sniP tupnI ataD yeK

oP cigoL-DDVuS rewylpp

sniP tupnI esopruP lareneGI4WS ot 1WS

)niarD-nepO ,lennahC-N( niP tuptuO ataD

gde

tib rewol eht morf gnitrats( kcolc tfihs eht

egde gnisir eht ta atad laires stupni n

)tib rewol eht morf gnitrats( kcolc tfihs eht

a egde gnisir eht ta atad laires sdaer n

.derongi si KLC ,"HGIH" si nip siht nehW

dehctal era snip eseht ot dettupni atad e

.elcyc yalpsid eht fo dne eht

LED 1

LED 2

LED 3

LED 4

LED 5

LED

Driver

K2 K3 K4

Dimming

Circuit

Grid

Driver

GR1

GR2

GR3

GR4

GR5 GR6

GR7

GR8

GS01RG/91GS ot 9RG/02

GS61RG/31GS ot 11RG/81

SK/1GSO21SK/21GS ot 1

iHsniP tuptuO tnemgeS egatloV-hg

ecruoS yeK eht sa stca oslA

HOgisniP tuptuO dirG/tnemgeS egatloV h

uP-EEVleveL nwoD-ll

atloV-hgiHO8RG ot 1RG sniP tuptuO dirG eg

VEEGNDVDDK1

niP tuptuO DELO5DEL ot 1DEL

NG-DrG niP dnuo

sOc niP tupnI rotalli

ICSO

iser Aoc si rots

imreted ot nip siht ot detcenn

cso ehtrf noitalliycneuqe

+ 25 hidden pages