Inspection Procedure - Toshiba TDP-MT400 Service Manual

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Video & Audio Signal :
Ite m
T e s t C o n t e n t
1
C o m p o s i te V i d e o
2
S - V i d e o
3
C o m p o n e n t V i d e o
4
H D T V

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.
T h e inp 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
T h e inp 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 inp 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 inp 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.
4-8
S p e c ific a tio n
R e m a rk
Toshiba Series

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