Toshiba P503DL service manual Disassemble, HOW to Replace the Lamp

Page 19

DISASSEMBLE

1.HOW TO REPLACE THE LAMP

1)Turn off the power switch and disconnect AC cord. Make loose 3 screws at the lamp door.

2)Open Lamp door as right picture arrows show.

3)Rotate Locking Lever as shown as arrow (1) below.

4)Gently pull the lamp housing

to the right as picture below, arrow (2) shows.

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?

 

Lamp door screws ?

 

?

?

Lamp door

 

? ? ? ? ?

Screws are shown enlarged

( ? ? ? ? ? ? ? ? ? ? ? ? ? ? )

Note: Lamp housing and Lamp may be

 

 

hot, be careful when touch to it.

 

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Do not touch lamp glass shield, an

 

oil particle from finger may affect

 

 

?

 

picture quality or lamp may be

 

damaged.

 

 

 

 

Wipe and clean lamp glass shield

 

 

surface before its installation if it

 

 

was not clean.

? ? ? ? ? ?

Lamp housing

Lock Lever

? ? ? ? ? ? ? Lamp unit

? ? ? ? ? ?

5)Attach new lamp at the guide rail shown as right then slide as arrow (1) shows. Lock lever needs to be at un-lock position, then push in the lamp holder at the right place.

Lock the Lock ring by lock lever as arrow (2).

Lock lever

? ? ? ? ? ?

?

Guide rail

?

? ? ? ? ? ? ?

Lamp Unit

Not e: When the lamp unit is not placed correctly, brightness or other picture performance may not be Achieved to the specification. Make sure that the lamp is nicely fit and fastened.

Check also if the lamp power supply connector is securely inserted.

6)Attach lamp door.

7)Turn ON the power switch, connect PC with software, Cube commander, or remote control, then enter to the ADJUST mode à SPECIAL mode à F à STD thus the lamp timer is reset.

DISASSEMBLY

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Image 19
Contents P503DL Connection AT a MULTI-PROJECTION SYSTEM··················16 Safety Precaution Safety Precautions for User Equipment Use For servicing, maintenance and inspection Safety Precautions for User Precautions for USE and Maintenance General Descriptions Features Dimensions Function of I/O Panel Power Switch and Power Indicator Function of Power PanelSpecifications Acceptable Signal Type Horizontal Timing Acceptable RGB Input Signal TimingSEGA6 Connection AT a Multi Projection SystemScreen Lock screws Page Disassemble HOW to Replace the LampCabinet Disassemble AIR FilterControl Module Location of KEY Components and Function ModuleWiring Between Function Blocks Light Engine Block DLP Engine adjustmentEngine Mount Adjustment Adjustment Electronics Adjustment or Setting Input Signal selection Adjustment parameters This is the general idea of adjustments Multiple Screen Wall system example Magnification Electronic Circuit Explanation Appendix-1 P503DL control board LED statusFAN NG Overall block diagram RS-232C pin-connection configuration Appendix-2 Control via RS-232C Command Protocol listCS4 VN5 Write Appendix-3 When lamp does not lightWhen color becomes strange When picture is strange and totally distortedWhen color wheel motor needs to replace CABINET, P503DL Cabinet K Parts List