Philips DVD-520-H Service manual

Service Manual

Service

HDD / DVD Recorder Combi

Service Service

Service

DVDR520H/00/02/04/05/37/69/75/93/97

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Published by LO-MF AV System Printed in The Netherlands Subject to modification

GB

3139 785 30853

Version 1.3

1. Specifications

1-1

2-1

2. Product Validation Strategies and Process

2.1. System Block Diagram

HDD

DVD

M/B Tuner

FAN

Power

Module

2.2. Front Panel

2-2

2.3. Rear Panel

3. Fault Finding Tree

3-1

Start condition:

1. Plug the power cord

2. Power on

Front panel display?

N

Replace front

display board

N

Replace

drive

Display

Normal?

Press “EJECT”buttom

to verify if the player

boot up and also tray

come out ?

N

Power cord

plug?

Y

Open top cover and

use “multimeter” to

verify if the power

Y

module output both

5V&12V

Replace front

Y

N

Plug the power

cord

N Replace power

module

Replace M/B

Replace HDD

N

Put a movie disc

and press the “play”

to verify if AV output

corret?

N

Use the “Erase”

function of the “disc

tool “ to verify if the

HDD work normal?

Y

display board

NPF

3-2

Start condition:

1. Plug the power cord

2. Power on

Recording

Select Target to

Select Source view

and display OK

N

Select AV sources

but no

i i

N

AV Sources video is

black&white or

if

N

Select DV but no

video

Y

HDD/DVD OK

Y

Check

connection

Check if TV system

Y

of input device is

different

Gray screen-check

Y

Connection

Press Record

button to start

N

Show “Protected

Content”

N

Show “Wrong

Signal Type”

N

Show “Write Fail”

di

Source DVD is not

Y

allowed to

Y

Recording disc was

formatted when

Y

Bad write quality

on this disc

iff

3-3

Start condition:

1. Plug the power cord

2. Power on

DVD Playback

Select Target DVD, eject

Y

Load supported

disc DVD+-R/RW, CD-R

N

Invalid disc or Data disc

Y

Auto-play DVD

VCD SVCD and

Media Disc

Not supported format

N

Blank disc

Y

Show “Preparing”

then start

pre-format for

Tuner : Select the source into TV mode first

3-4

TV signal

on screen ?

Y

Display normally ?

Y

Check if the

Audio output properly ?

N

Y

N

Can scan All channel?

Can Fine tune Channel?

Y

Check if Audio

/Video output

properly when DVD playback ?

N

Y

Replace Tuner Board

AV output issue

Y

No problem found

N

Replace Tuner Board

3-5

Reference of defect symptoms for repair

• After power cord plug in ,LED no display , but AV output normal after power on -> replace display board

• After power on , the color of the screen isn’t correct -> replace M/B

• After power on , the fan doesn’t work -> replace power module / Fan

• Can’t eject or show “No Disc” -> replace drive

• Can’t auto format any brand new disc -> replace drive

• Recording will auto stop or hang -> replace M/B & drive

• Playback will have mosaic -> replace M/B

• Can’t format HDD -> replace HDD

• Can’t record with HDD -> replace HDD

• No Audio or audio output abnormal -> replace M/B

• Optical / Coaxial no output when the setting is set as DTS output -> replace M/B

• Can’t update F/W through drive -> replace drive

• Can’t detect DV when plug in/out with a DV -> replace display board

• AV1 input mode doesn’t output video / audio when connected to a normal external AV source -> replace display board

• AV2 ( Scart) / S-Video input mode doesn’t output video / audio when connected to a normal external AV source -> replace M/B

Philips DVD-520-H Service manual

CONTENTS

1. Specifications

2. Product Validation Strategies and Process

2.1. System Block Diagram

2.2. Front Panel

2.3. Rear Panel

3. Fault Finding Tree

Start condition: