Philips DVP4320BL/93 Manuale utente

DVD PLAYER DVP4320BL/93/12/51 & DVP4320BU/12/51

Published by BU AVM CY-SL Printed in the Netherlands Subject to modification 3141 785 34300

Version 1.0

TABLE OF CONTENTS

Chapter

Revision List……………………………………………………. 9

transmitted, in any form or by any means, electronics, mechanical, photocopying, or otherwise

without the prior permission of Philips.

Service Manual

Technical Specification, PCBs Location………………….. 1

Safety Instruction ……………………………………………… 2

Instruction for Use………………………………………………3

Mechanical and Dismantling Instructions…………………. 4

Troubleshooting ………………………………………………. 5

Overall Block Diagram …………………………………………6

Electrical Diagram……………………………………………… 7

Exploded View Diagram & Service Part List………………..8

Revision List……………………………………………………. 9

DVP4320WH/98/12/51

1.0 TECHNICAL SPECIFICATION

VIDEO PERFORMANCE

Test equipment：Tektronics VM700T

Test discs：DVD test disc：Philips LVP 10.01（PAL）

/Abex TDV-540（NTSC）

Load Impedance：75Ω

VIDEO FORMAT

DVD，VCD，MP3，JPEG

USB:2.0 HS,support MSC,MTP,sector size 4K

AUDIO PERFORMANCE

Line outputs

Test equipment：Audio Precision System2

Test discs:CDDA:Philips audio signal test disc 1

DVD: Philips LVP 9.01 audio test disc

Load Impedance：100KΩfor Audio

AUDIO FORMAT

CD/MP3,DVD audio

CVBS

Amplitude output:1Vpp± 0.1V/

White bar: 714mV ± 10%/700mVpp ± 10%

Sync. Amplitude: 286mV ± 40mV/300mVpp ± 50mV

Burst/chroma ratio: ± 5%

S/N luminance: ≥60 dB

COMPONENT VIDEO RGB

Luminance amplitude output: 700mV ± 10%

RGB unbalance:3%

Sync. Amplitude: 300mV ± 50mV

S/N on RGB outputs: ≥60 dB

DC Level: ≤1V

COMPONENT VIDEO YPbP

PbPr output unbalance:3%

Sync. Amplitude: 286mV ± 40mV

Video Bandwidth 4.2 MHz:-1.5db / 5.8MHz:-5dB

S/N on outputs: YUV: ≥60 dB

POWER CONSUMPTION

Power-Supply:100-240V ac,50/60Hz,standby:310V

Supply voltage:AC 100~240V

Supply Power consumption(AC 100/240V):6W/+10%

Standby Power,264V AC: <1W

GENERAL DESCRIPTION

Optical Pickup: Sony KHM313-AHD

Chip set/Solution:Mediatek MTK1389M

Disc Size:8cm/12cm

1-1

1.1 PCBs LOCATION

VERSION VARIATIONS

Type/Versions:

Service policy

Board in used:

DVP4320

12 51 93 98

MAIN BOARD X X M/C M/C

INVERTER BOARD X X M/C M/C

KEY BOARD X X M/C M/C

USB BOARD X X C C

POWER SW BOARD X X M M

1-2

*TIPS: C -- Component Lever Repair.

M -- Module Lever Repair

X -- OCX

1.2 System, Region Code, etc. Setting Procedure

Procedure to change region code of your DVD

Portable

1. Power ON the DVD player and do not insert

DISC inside player

2. Setup Prefer

Press IR in the sequence as

9 6 5 3

The LCD display showed the existing region

Code

3. Press▲(navigation up)or▼(navigation down)

repeatedly to select the number from 0 to 6.

4. Then press OK to confirm your region code.

5. Refer below table for your region code setting

Select “0” setting = Region Free (confidential)

Procedure for SW upgrade

1. The upgrade

will provide a document

re-named: PHILIPS.BIN

2. “PHILIPS.BIN” copy to USB or CD-ROM into

the data;

3. Reading the USB or CD-ROM，in accordance

with prompt，press ”OK” key to upgrade.

Warning: Do not unplug the AC adapter during

firmware upgrade to prevent flash corrupt of

the set!!

Procedure to check SW version of your DVD

Portable

1. OPEN

2. Press SETUP MENU

3. Select Preferences

4. Select Version Info

5. Press “OK” key

1-3

2.0 Safety instruction

1. General

safety

Safety regulations require that during a repair:

. Connect the unit to the mains via an isolation

transformer.

. Replace safety components indicated by the

symbol

Only by components identical to the original ones.

Any

Other component substitution (other than original

type)

May increase risk of fire or electrical shock hazard.

Safety regulations require that after a repair, you

must

Return the unit in its original condition. Pay, in

particular,

Attention to the following points:

. Route the wires/cables correctly, and fix them with

the

mounted cable clamps

. Check the insulation of the mains lead for external

Damage

. Check the electrical DC resistance between the

mains

Plug and the secondary side:

1) Unplug the mains cord, and connect a wire

between

The two pins of the mains plug.

2) Set the mains switch the “on” position (keep

the

Mains cord unplug).

3) Measure the resistance value between the

mains

plug and the front panel, controls, and chassis

bottom.

4) Repair or correct unit when the resistance

measurement is less than 1M Ω

5) Verify this, before you return the unit to the

customer/user (ref. UL-standard no. 1492).

6) Switch the unit “off”, and remove the wire

between

the two pins of the mains plug.

2. Laser safety

This unit employs a laser. Only qualified service

personnel

May remove the cover, or attempt to service this

device

(due to possible eye injury).

Laser device unit

Type :Semiconductor laser GaAIAs

Wavelength :650nm (DVD)

:780nm (VCD/CD)

Output power :7mW(DVD)

:10mW(DVD/CD)

Beam divergence:60 degree

Note: Use of controls or adjustments or

performance of procedure other than those

specified herein, may result in hazardous

radiation exposure. Avoid direct exposure to

beam.

2-1

3.0 INSTRUCTION FOR USE

You can download this information from the following websites:

http://www.philips.com/support

http://www.p4c.philips.com

3-1

4.0 MECHANICAL AND DISMANTLING INSTRUCTIONS

The following guidelines show how to dismantle

Step1:Remove 4 screws around the bottom Cover

Figure 1

Step2:Open the mid-Cover(Figure 2 &3)

Figure 2

4-1

Figure 3

Step3:Remove the 14 screws on board(Figure 4)

Figure 4

4-2

4.0 MECHANICAL AND DISMANTLING INSTRUCTIONS

Spindle motor does not move

Yes

Check whether “MD_VCC”

(VCC) voltage is normal.

Correct connection

Check the MD_VCC power

supply

Check/Replace Q4ǃQ5

Check/ Replace U1.

Check opu focus

1. Check U2 25pin RFO signals

2.If there are F+, F-, T+ and T-

signals output from U1.

Check/Replace the loader

Yes

Check whether laser voltage

(1.9V for CD & 2.3V for DVD)

on L21 & L22

Check the FFC connection

between 24P and the loader.

1. Whether voltage on pin 23 of U2

varies between 0 and 3.3V (3.3V

for CD and 0V for DVD),

2. Whether peripheral components

are eroded or badly soldered.

Trouble shooting chart

Motor not move

5-1

The power can not be on or off

Yes

The power can’t be

on or off

Yes

Replace the power board

Check the power supply

on the power board and the connection to

to decoder board is normal.

Check/Correct connection

Whether the connection

to Standby Board is broken. Correct the connection

Replace U1.

Yes

Check if the CON2 on the front

board to J 5(6PIN) on the decoder board

is in good contact.

Whether there is 1.8V and

3.3V voltage difference on

L5 and L7

Trouble shooting chart

or correct the connection

5-2

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