Akai PDP4295ED, PDP4249G, PDV42S10 Service Manual

PLASMA MULTIMEDIA MONITOR

AKAI

MODEL NO. : PDP4295ED

SERVICE MANUAL

PDP4249G PDV42S10

CONTENTS

Page

1. IMPORTANT INFORMATION

2. GENERAL INFORMATION

3. SAFETY PRECAUTIONS

4. SPECIFICATION

5. PERIPHERAL EQUIPMENT CONNECTING

6. CIRCUIT DESCRIPTION . DC POWER SUPPLY . VIDEO

DISPLAY BOARD

7. CHAPTER BLOCK DIAGRAM . BLOCK DIAGRAM . AC FILTER . EMI BOARD . DC POWER BOARD . VIDEO BOARD . AMPLIFIER BOARD . TUNER BOARD . ASSEMBLY DRAWING

8. TROUBLE SHOOTING FLOW CHART . ASSEMBLY CHART . SET TEST CHART . VIDEO DISPLAY CHART

9. CLEANING AND MAINTENANCE HANDY TIPS

1 2 3 4 5

6 7

9 10 11 12 13 14 15

16 17 18 19

IMPORTANT INFORMATION

WARNING

SHOCK ！DANGEROUS！

DO NOT OPEN REAR COVER.

WARNING: 1. This is a Class A and Class B product. In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures.

2. TO REDUCE THE RISK OF FIRE AND ELECTRIC SHOCK, DO NOT EXPOSE THIS PRODUCT TO RAIN OR MOISTURE.

IMPORTANT

This lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated "dangerous voltage" within the product's enclosure that may be of sufficient magnitude to constitute a risk of electric shock.

！

The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.

GENERAL INFORMATION

IMPORTANT:

When the set is switched on , do not shift or move the set around. Sometimes it may develop an unevenness in colour in some parts of the screen. This can be eliminated by switching off the set with the main power button (rear site) and wait for 10 minutes before switching on again. If the situation remains, call for Service.

Front View

Rear View

Power

LED

Menu Enter

Select Up

Select Down Volume +

Volume -

AUDIO

OUTPUT

COM2

COM1

AUDIO INPUT

S-V/DVI

SPEAKER L

ANT/CABLE IN

AV/VGA

INPUT

SPEAKER R

RS-232

INPUT

ANALOG VGA

DVI

INPUT

COMPONENT

Y Pb(Cb) Pr(Cr)

S-VIDEO

INPUT

POWER SWITCH ON OFF

AC 100 󲕏 240 V

INPUT

SAFETY PRECAUTIONS

Please read the following direction carefully before using this machine.

. Read each direction carefully, and retain for future reference. . Please keep the manual well. . Please follow the information to operate this machine. . Clean the machine with a slightly damp soft cloth. Do not use spray detergent and abrasive solvent. It can damage the machine screen coating layer. . Place the machine on a solid base to avoid dropping and danger. . For good ventilation of the machine, please do not place the machine on surfaces such as bed, sofa, or rug. . Before operating the machine, make sure that the operating voltage of your machine is identical with that of your local power supply, if there is any unclear, please contact with sales dealer. . Use only the accessory power cord designed for this product to prevent shock. . Do not put anything under the power cord to avoid tramping. . If using the same power source with other equipments, please make sure the total current does not over 15A. . Never attempt to repair a defection of the machine by yourself. Always consult a skilled machine service personnel. . When the following situations happen, please contact qualified engineer. A. The power cord or the power socket has damages. B. If any liquid or solid object fall into the machine through the ventilation holes. C. Expose the machine to rain or excessive moisture. D. The function does not follow the user manual. E. The machine has ever been dropped or the glass has been broken. F. The function of machine has clear changes.

. The plasma panel has been built using extremely precise and sophisticated technologies; More than 99.99% of its pixels are effective. A minute number of pixels are missing or constantly lit. . Do not display the same picture(pattem)for a long period of time (Don't exceed 20 min.). This may cause images remain.

. No further notice will be provided i f the specification and design subjects have been changed. . To release the battery of remote controller after long tim e replacement (over 1 month) and to avoid making destruction of remote controller by liquid.

.Whan none operation the product storagr is suggested not .exced max of 6 months.If it is the exceed the suggested .storage period,the product should be activated for 24 hrs. .To ensure the quality of the product.

(1)input signal ：S-Video、composite、Component、Analog RGB、DVI、NTSC RF (2)video signal：0.7Vp-p (3)scan frequency： Analog RGB auto-sync H from 30 to 80KHz

V from 60 to 85Hz DVI auto-sync H from 30 to 80KHz V from 60 to 85Hz

Component：480i、480P、576i、576P、720P、1080i Composite：Video sync S-Video ：Y-C separate sync

TV : NTSC 60Hz

(4)up data terminal：RS-232 DB-9 PIN

(5)Power supply：AC100-240 Volts universal (6)Power consumption：330W (Full White Pattern) (8)Signal cable：15PIN D-SUB、DVI-D、S-Video、 RCA Jack、Speaker Jack、

AV Shielded Video cable

(9)OSD controls：

Video a section： <1>Picture: H/V Position、Brightness、Contrast、Sharpness、

Color、Tint、Frequency、Phase、Auto Image <2>Advanced: Gamma、Color Temperature、Color Management. <3>Source: Analog RGB、DVI、Component1、Component2、

S-Video、Vi deo、 TV <4>Function: Scaling、Zoom、White Pattern、Close Caption、

[PIP]Source、 [PIP]Size、[PIP]H/V-Position

<5>Utility: Language、Video Standard、DPMS、

[OSD]H/V-Position、[OSD]Time Out、

Picture Scrolling、Load Factory <6>TV: Tuner Select、Channel、MTS、Channel Scan、V-chip

Sound a section：

Volume、Treble、Bass、4 steps BBE Selects、SRS virtual Surround、

MTS STEREO Decoder

SPECIFICATION

PERIPHERAL EQUIPMENT CONNECTING

AUDIO

OUTPUT

DVD

VCR

COM2

COM1

AUDIO INPUT

S-V/DVI

AV/VGA

ANT/CABLE IN

INPUT

Antenna/Cable

DVI-D Output

RS-232 INPUT

Analog RGB Output

DVD S-Video Output

DVD Video Output

DVD Y Pb(Cb) Pr (Cr) Output

RS-232

DVI

ANALOG VGA IN

DVD Audio Output

INPUT

COMPONENT

Y Pb(Cb) Pr(Cr)

S-VIDEO

INPUT

POWER SWITCH ON OFF

AC 90 󲕏 240 V

INPUT

Audio Input

Amplifier

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