Toshiba TDP-MT400, Service Manual

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Toshiba Series
4-8
Ite m T e s t C o n t e n t S p e c ific a tio n R e m a rk
1 C o m p o s i te V i d e o
T h e i n p u t s i g n a l ha s to d i s p la y w i t h o u t c o l o r
a b n o r m a l. T h e V i d e o s e le c tio n o f O S D
2 S - V i d e o
T h e i n p u t s i g n a l ha s to d i s p la y w i t h o u t c o l o r
a b n o r m a l.
3 C o m p o n e n t V i d e o
T h e i n p u t s i g n a l ha s to d i s p la y w i t h o u t c o l o r
a b n o r m a l.
4 H D T V
T h e i n p u t s i g n a l ha s to d i s p la y w i t h o u t c o l o r
a b n o r m a l.
Video & Audio Signal :
4-5 Inspection Procedure
Elevator Function :
- Please check and ensure the function of elevator works well.
- If not, please return the unit to repair area.
Keypad Function (Including Remote Control) :
- Please check and ensure the control function of keypad works well.
- If not, please return the unit to repair area.
Reset :
Please press “Menu” button on the projector panel to enter “Reset all” function. This action
will allow you to erase all end user’s settings and restore the original factory settings. Then
choose “YES” and press “Enter” to see if it works.
Frequency and Tracking :
Test Signal : 1280*1024 @ 75Hz
Test Pattern : Fine Line Moire Pattern
-
Check and see if image sharpness and focus are well performed.
- If not, readjust by following steps.
1. Select “Frequency” function to adjust the total pixel number of pixel clock in one line
period.
(Refer to Chapter 3-1 Equipment Needed, item 4)
2. Then select “Phase” function and use right or left button to adjust the value to
minimize video flicker.
(Refer to Chapter 3-1 Equipment Needed, item 5)
R, G, B and white color contrast :
Test Signal : 1280*1024 @ 75Hz
Test Pattern : 64 RGBW scale pattern
-
Please check and ensure if each color is normal and distinguishable.
- If not, please return the unit to repair area.