Ceiling Installation

A Distance between the lens and the screen center B Vertical distance between the top of the supplied ceiling mount and the screen center C Horizontal throw distance between screen surface and the lens F Vertical distance between projector base and top of image H Horizontal Screen Width (inch) A C cosa B 94 + 5.5 x M C (wide) 36.8712 x (diagonal screen size 0.92205) - 43.5689 C (tele) C(wide) x 1.2 F 1.4516 x M - 94 M 1.25H 22.86 H Horizontal Screen Width A C cosa C (wide) (36.8712 x (diagonal...

3 Troubleshooting and adjustment procedures 31 Replacement of the Main Pwb

< Copying of the V-T data, ADJ data, Logo data, and Uniformity data> Let the PJ power supply stay in the STAND BY state and select the Data tab for servicing software. Make data read write according to the descriptions (1) and (2) below. Prior to the replacement, and as required, read the presently used data of the MAIN PWB and save them in the relevant file. (According to the type of fault, it may be impossible to save these data.) Designate the file name and save the data by clicking the...

43 RGBComponent signal processor and AD converter block

The video signal input entered in Pin 15 of the Mini D-SUB is fed to the A D converter IC IC3401 CXA3506R through the buffer circuit. In the case of a component signal, only the chroma signals Pb, Pr, Cb, Cr are entered after their levels have been lowered at the attenuator of -6B. In the A D converter IC, the video signal from the video decode IC or the video signal at Pin 15 of the Mini D-SUB is selected. After the contrast has been adjusted at the built-in analog amplifier, this signal is...

Lcex

Are the following signal inputs available at POSV connected with POSV of the MAIN PWB See the waveform diagram. Rch video signal 10Vp-p Gch video signal 10Vp-p Bch video signal 10Vp-p Are the following signal outputs available at the respective output pins and test pins of IC6201 or IC6202, IC6203 See the waveform diagram. Y shift register start pulse DY Y shift register transfer clock CLY, CLYB X shift register transfer clock CLX, CLXB X shift register start pulse DX X driver driving direction...

3 Top Cover Assystay Rfilter F

Vt540 Repair

1 Remove the five screws T , and take out the TOP COVER ASSY. 2 Remove the two screws 2 , and take out the STAY R. 3 Remove the FILTER F. Note Refer to P7-4 and P7-5. 1 Hold both sides of the set with both hands at Part A. Apply a force to Part B in the direction of the arrow diagonally toward the top of the set . In this case, the force being applied should be as low as possible in order not to damage the switch. 2 Confirm that the claw of C each side surface has been disengaged. 3 Remove the...

2 Equipment to be used and operating environments

Software for servicing adjustments Ser_99vt.exe Ver1.0 Attached files V-T Data, etc. Personal computer Enabled to actuate Windows95 or Windows3.1, and the serial port COM1 or COM2 or COM3 is of the D-SUB9pin. Video signal generator Auto-adjustment type Enabled to generate an output of NTSC split color bars 7 colors Component signal generator Auto-adjustment type Enabled to generate an output of 15kHz Component Video 60Hz split color bars 7 colors Serial cable Accessory for the PJ main unit...

5 Troubleshooting

This section helps you resolve problems you may encounter while setting up or using the projector. No light in High-Bright mode Blinking green in Eco mode The message Please wait a little appears The projector retries 3 times at an interval of 15 sec for max. 45 sec 3 minutes after lamp is turned on in Eco mode Fixed at High-Bright mode. Lamp mode can be changed on the menu Lamp has reached its end of life 2000 hours or over Steady red High-Bright mode Steady orange Eco mode Message appears on...

Better Reputation Better Profit

Before servicing this chassis, it is important that the service technician read and follow the Safety Precautions and Product Safety Notice in this Service Manual. SHOCK HAZARD - Use an isolation transformer when servicing. SAFETY USERS TROUBLE CIRCUIT CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER. NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. This symbol warns the user that uninsulated voltage within the unit may have sufficient magnitude...