Eiki EIP-25 Manuel utilisateur

SERVICE MANUAL Multimedia Projector Model No. EIP-25

FOREWORD

For your convenience, all service parts, identified in this manual are available through Eiki’s normal distribution

channels. In addition to service part number, the generic descriptions have been give, where possible, to allow

your service technicians to substitute equivalent components which might be available from other sources.

All orders for service parts will be honored. However, in instances where generic components are considered to

be available from several common sources, as would be the case with an industry standard fuse, resistor, or

semiconductor, it may be more economical and expeditious to purchase the part locally.

Chassis No.: 4121012021

Issue Date: 2004/3/17

Version: B.5

EIP-25 Projector CHASSIS NO. 4121012021

█Contents

█Safety Instructions _____________________________________________________ 2

█Specifications_________________________________________________________ 3

█Adjustments after Parts Replacement ______________________________________ 4

█Circuit Protections _____________________________________________________ 5

●Fuse ________________________________________________________ 5

●Thermal switch ________________________________________________ 5

●Interlock switch ________________________________________________ 5

●Warning temperature ___________________________________________ 5

█Mechanical Disassemblies ______________________________________________ 6

█Optical Parts Disassemblies _____________________________________________ 18

█Lamp Replacement ____________________________________________________ 23

█Cleaning ____________________________________________________________ 24

█Optical Adjustment_____________________________________________________ 25

█Electrical Adjustment ___________________________________________________ 26

█Block Diagrams and Waveform ___________________________________________ 28

█Troubleshooting _______________________________________________________ 51

●Components Allocation __________________________________________ 51

●Power on Problems _____________________________________________ 52

●Image Quality Problems _________________________________________ 53

●Power Problems _______________________________________________ 54

●Remote Controller Problems ______________________________________ 54

●OSD Problems ________________________________________________ 54

█Upgrading OSD Software _______________________________________________ 55

█Power Supply Connector Pinouts _________________________________________ 57

█Service Parts List______________________________________________________ 58

●Product tree diagram____________________________________________ 58

●Parts List _____________________________________________________ 59

Drawings & Diagrams _____________________________________________________ 84

EIP-25 Projector CHASSIS NO. 4121012021

█Safety Instructions

SAFETY PRECAUTIONS

WARNING：

The chassis of this projector is isolated (COLD) from AC line by using the converter transformer.

Primary side of the converter and lamp power supply unit circuit is connected to the AC line and it

is hot, which hot circuit is identified with the line ( ) in the schematic diagram. For continued

product safety and protection of personnel injury, servicing should be made with qualified

personnel.

The following precautions must be observed.

1: An isolation transformer should be connected

in the power line between the projector and

the AC line before any service is performed

on the projector.

2: Comply with all caution and safety-related

notes pro vided on the cabinet back, cabinet

bottom, inside the cabinet or on the chassis.

3: When replacing a chassis in the cabinet,

always be certain that all the protective

devices are installed properly, such as,

control knobs, adjustment covers or shields,

barriers, etc.

DO NOT OPERATE THIS PROJECTOR

WITHOUT THE PROTECTIVE SHIELD IN

POSITION AND PROPERLY SECURED.

4: Before replacing the cabinet cover,

thoroughly inspect the inside of the cabinet to

see that no stray parts or tools have been left

inside.

Before returning any projector to the customer,

the service personnel must be sure it is

completely safe to operate without danger of

electric shock.

SERVICE PERSONNEL WARNING

Eye damage may result from directly viewing the light produced by the Lamp used in this

equipment. Always turn off Lamp before opening cover. The Ultraviolet radiation eye protection

required during this servicing. Never turn the power on without the lamp to avoid electric shock or

damage of the devices since the stabilizer generates high voltages (15kV - 25kV) at its starts.

Since the lamp is very high temperature during units operation replacement of the lamp should

be done at least 45 minutes after the power has been turned off, to allow the lamp cool-off.

DO NOT ATTEMPT TO SERVICING THE

REMOTE CONTROL UNIT.

Laser Beam may be leaked out when in disassemble the Unit.

As the laser Beam used in this Remote control unit is harmful

to the eyes.

EIP-25 Projector CHASSIS NO. 4121012021

█Specifications

Projection System DLP (Digital Light Processor)

Panel 0.7” DMD x 1/DDR

Native Resolution 1024x768

Resolutions Supported 640x480, 800x600,1024x768, and 1280x1024

Input Sources D-sub(RGB), D-sub(Y, Pb, Pr), Component RGB(Y, Cb,

Cr), RCA Video/Audio, S-video, PC Audio, IR

Output Sources D-sub(RGB), PC Audio

Video Compatibility NTSC/ PAL/ SDTV 480i

HDTV Support Compatible with 1080i, 720p, and 480p

Aspect Ratio 4:3, 16:9

Brightness 2500 LUMENS

Brightness Uniformity 80%

Contrast Ratio 1800:1

Number of Colors Full 16.2 million color palette

Color Coordinates x = 0.295 +/- .025, y = 0.315 +/- .025

Sync Range Horizontal: 15 to 100 kHz, Vertical: 50 to 100 Hz

Optical System Condenser Architecture

Lens Type Manual focus and manual zoom F: 28.0-33.6mm

Keystone Correction ±20 Degrees Electronically

Projection Distance 1.45 meter to 12.72 meter

Zoom Ratio 1.2:1

Projection Methods Front/Rear/Ceiling

Audio 2* 2.5 watts stereo speaker

Remote Control IR Remote Control with Laser Pointer and Mouse Control

Communications DDC2

Lamp Type OSRAM P-VIP 250W/1.3 E21.8

Lamp Life Average life greater than 1500 hours

Dimensions 330mm x 277 mm x 105 mm

Weight 3.7kg

Power Supply 100-240 VAC, 50-60Hz

Power Consumption 350 Watts Maximum

Audible Noise 34 dBA typical

●The specifications are subject to change without notice.

This symbol on the nameplate means the product is Listed by Underwriters

Laboratories Inc. It is designed and manufactured to meet rigid U.L. safety

standards against risk of fire, casualty and electrical hazards.

EIP-25 Projector CHASSIS NO. 4121012021

█Adjustments after parts replacement

A: Adjustment necessary C

C: Check necessary

Disassembly / Replaced Parts

DMD/Driver Board Main Board

Optical

Adjustments Mirror A

Color index

adjustment test C

Calibration C

Reset all

RGB_Analog C

Electrical

Adjustments

Reset all DVI C

EIP-25 Projector CHASSIS NO. 4121012021

█Circuit Protections

●Fuse

The fuse is located on the power supply

board. It can’t replace it alone. Please

replace power supply.

●Thermal switch

There is the thermal switch inside of the projector to prevent the internal temperature rising

abnormally. When the internal temperature reaches near 100°C, turn off the AC main power

supply automatically.

The thermal switch is not reset to normal automatically even if the internal temperature becomes

normal. Reset the thermal switch following procedure.

Check the resistance between terminals of thermal switch may be in operative.

How to reset the thermal switch

1. Remove cabinet top following to the “Mechanical Disassemblies”.

2. Press the reset button on the thermal switch.

●Interlock switch

The interlock switch cuts off the AC main power supply when the lamp cover is removed. After

opening the lamp cover for replacing the lamp ass’y, place the lamp cover correctly otherwise the

projector cannot turn off.

●Warning temperature

The projector will be automatically turned off when the internal temperature of the projector

exceeds the normal operating temperature, or the cooling fans stop, or the power supplies in the

projector are failed.

- If the TEMP LED indicator (red) is flashing, it may detect the abnormal temperature inside the

projector. Check the following possible causes and wait until the WARNING TEMP indicator

flashing stops, and then try to turn on the projector.

- If both of the TEMP WARNING (red) and READY (green) indicators are flashing at the same

time, It may defect the cooling fans and power supply circuits. Check fan operation and power

supply lines referring to the chapter “Power supply & protection circuit” in the Chassis Block

Diagram section.

EIP-25 Projector CHASSIS NO. 4121012021

█Mechanical Disassemblies

1. Cabinet top removal

(1) Remove 2 screw A (M3x 80), 2 screw B (M3x10), 1 screw C (M2.6x8) to take the cabinet top

assy upward off.

Screw A 7110230802

Screw B 7110430103

Screw C 7140226082

EIP-25 Projector CHASSIS NO. 4121012021

2. Focus ring AL removal

(1) Remove 3 screws A (M2x4) to take the Focus ring AL Off

Screw A 7110820043

Focus Ring AL

7535700006

EIP-25 Projector CHASSIS NO. 4121012021

3. Front panel and Adjuster leg assy removal

(1) Remove 4 screws A (T3x6) to take the adjuster leg assy off.

(2) Remove 3 screws B (T3x6), C (m3x10) take the Front panel assy off

A A

Screw A 7140330063

Screw B 7140330063

Screw C 7110330103

EIP-25 Projector CHASSIS NO. 4121012021

4. I/O Board assy removal

(1) Pull the I/O Board assy upward. and disconnect the I/O board connector.

(2) Remove 4 screws A (T2.6x8), 6 screws B (hex #4-40UNC) to take the I/O Board off.

Screw A 7141226082

crew B with VGA/ DVI

connector

I/O BD

5175200001

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