Philips BDL4640E Manuale utente

SERVICE MANUAL

BDL4640E

Philips BDL4640E 1

TABLE OF CONTENTS

CHAPTER A REVISION LIST……………………………………………………………………….2

CHAPTER B WARNNING…………………………………………………………………………...3

CHAPTER C SEFETY RRECAUTIONS………….……………………......................................4

CHAPTER 1 GENERAL SPECIFICATION………………….....................................................5

CHAPTER 2 OPEARTING INSTRUCTION……………………………....................................13

CHAPTER 3 THEORY OF OPERATION…………………………….......................................19

CHAPTER 4 BLOCK DIAGRAM…………………………………….…....................................23

CHAPTER 5 SCHEMATIC DIAGRAM…………………..........................................................25

CHAPTER 6 LAYOUT SIDE VIEW……………………...........................................................46

CHAPTER 7 EXPLODED VIEW…………………………………………...................................50

CHAPTER 8 TROUBLE SHOOTING…………………….………….........................................54

Philips BDL4640E 2

CHAPTER A

REVISION LIST

Model Name Version Issues Date Remark

BDL4640E 3A 2011-12-06 First Release

Philips BDL4640E 3

CHAPTER B

WARNNING

This service information is designed for experienced repair technicians only and is not

designed for use by the general public.

It does not contain warnings or cautions to advise non-technical individuals of

potential dangers in attempting to service a product.

Products powered by electricity should be serviced or repaired only by experienced

professional technicians.

Any attempt to service or repair the product or products dealt within this service

information by anyone else could result in serious injury or death.

Philips BDL4640E 4

CHAPTER C

SAFETY PRECAUTIONS

1. Caution

No modification of any circuit should be attempted. Service work should only be performed after you

are through familiar with all of the following safety checks and servicing guide lines.

2. Safety check

Care should be taken while servicing this LCD display. Because of the high voltage used in the

inverter circuit. These voltage are exposed in such areas as the associated transformer circuits.

3. Power supply requirements

The internal power converter with the attached AC power cord is necessary for the LCD monitor. Any

attempt to replace another power converter could result in serious of problems on the display.

4. Leakage current hot check

4-1 Plug the AC cord directly into the AC outlet. Do not use an isolation transformer during this check.

4-2 Connect a 1500 ohm, 10 watt resistor, paralleled by a 0.15uF capacitor between each metallic

part and a good earth ground.

4-3 Use an AC voltmeter with 1000 ohm / volt or more sensitivity and measure the AC voltage across

the combination 1500 ohm resistor and 0.15uF capacitor.

4-4 Move the resistor connection to each exposed metallic part and measure the voltage.

4-5 Reverse the polarity of the AC plug in the AC outlet and repeat the above measurement.

4-6 Voltage measured must not exceed 1.5 volt RMS, from any exposed metallic part to the ground.

A leakage current tester may be used in the above hot check, in which case any circuit measured

must not exceed 1 milliamp. In the case of a measurement exceeding the 1 milliamp value, a rework is

required to eliminate the chance of a shock hazard.

To Metal Parts

AC VOLTMETER

1500 10W

0.15u

Earth Ground

Philips BDL4640E 5

CHAPTER 1

GENERAL SPECIFICATION

Index of this chapter:

1. Specification

2. Outline

3. I/O connectors

4. Factory preset timing

1. Specification

Item Specification

LCD Module

Size: 46” diagonal

Pixel Pitch: 0.53025(H) mm x 0.53025(V) mm

Resolution: 1920(H) x 1080(V)

Color: 8 bit, 16.7 M colors

Brightness: 450 cd/m2 (typical)

Contrast Ratio: 4000:1 (typical)

Viewing Angle (CR>10): Horizontal 178° / Vertical 178°

Response Time: 8 ms (GTG)

Frequency Horizontal :31 ~ 91 KHz

Vertical :50 ~ 75 Hz

Pixel Clock 13.5 ~ 165.0 MHz

Speaker External speaker jack: 7W+7W

Internal speaker: without

Power Supply 100 / 240 VAC, 50 / 60 Hz

Power Consumption Display mode: max 285 W

Sleeping mode: Less than 1 W

Operational Environment Temperature: 0 ~ 40 °C, Humidity: 20 ~ 80%

Storage Environment Temperature: -20 ~ 60 °C, Humidity: 10 ~ 90%

Tilt / Swivel / Rotation No

Wall Mount Method VESA in back-cover

Dimension (w/o stand) Net: 1122(W) x 663(H) x 136.3(D) mm

Cross: 1285(W) x 885(H) x 275(D) mm

Weight (w/o stand) Net: 31.1 kg

Gross: 36.7 kg

Philips BDL4640E 6

2. Outline

¾Front view

¾Rear view

Philips BDL4640E 7

¾Side view

¾Top view

Philips BDL4640E 8

3. I/O connectors

3.1 Overview

AUDIO IN 1, 2, 3

To input the audio input signal from external equipment such as a computer, VCR or DVD player.

AUDIO OUT

To output the audio signal from the AUDIO IN 1,2 and 3 jack.

EXTERNAL CONTROL (mini D-Sub 9 pin)

This for the serial connection when multiple BDL4635E monitors are connected. To achieve remote

control through RS232 commands (refer to the RS232 remote control user manual), connect the IN

connector with the RS-232C OUT connector of a computer or a multi-connected BDL4635E monitor

and connect the OUT connector with the RS-232C IN connector of a next BDL4635E monitor.

VIDEO IN/OUT

VIDEO IN connector (BNC and RCA): To input a composite video signal. Note that BNC and RCA

are not available at the same time.

VIDEO OUT connector (BNC): To output the composite video signal from VIDEO IN connector.

S-VIDEO IN connector (MINI DIN 4 pin): To input the S-video (Y/C separate signal).

EXTERNAL SPEAKER TERMINAL

To output the audio signal to external speakers from AUDIO IN 1, 2, 3 jack or HDMI.

AC IN connector

To connect with the supplied power cord.

HDMI 1 IN

To input digital RGB signals from a digital device or computer.

* This connector does not support analog input. AUDIO is supported via the HDMI connector.

Philips BDL4640E 9

HDMI 2 IN

To input digital RGB signals from a digital device or computer.

* This connector does not support analog input. AUDIO is supported via the HDMI connector.

PC-A IN (mini D-Sub 15 pin)

To input analog RGB signals from a computer (VGA) or set-top box.

RGB OUT (mini D-Sub 15 pin)

To output the signal from PC-A IN.

CVI IN [ Y, Pb, Pr ] (BNC)

To Connect an device such as a DVD player, HDTV device, or Laser disc player.

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