1-8-3
TD900EA
4. V. Size Adjustment
Purpose: To obtain correct vertical height of screen
image.
Symptom of Misadjustment: If V. Size is incorrect,
vertical height of image on the screen may not be
properly displayed.
1. Enter the Service mode. (See page 1-8-1.)
Press "9" button on the remote control unit and
select V-S Mode. (Press "9" button then display will
change to V-P and V-S).
2. Input monoscope pattern.
3. Press CH
o
/
p
buttons on the remote control unit
so that the monoscope pattern is 90
±
5% of display
size and the circle is round.
5. V. Shift Adjustment
Purpose: To obtain correct vertical position of screen
image.
Symptom of Misadjustment: If V. position is incor-
rect, vertical position of image on the screen may not
be properly displayed.
1. Enter the Service mode. (See page 1-8-1.)
Press "9" button on the remote control unit and
select V-P Mode. (Press "9" button then display will
change to V-P and V-S).
2. Input monoscope pattern.
3. Press CH
o
/
p
buttons on the remote control unit
so that the top and bottom of the monoscope pat-
tern are equal to each other.
6. H. Shift Adjustment
Purpose: To obtain correct horizontal position and
size of screen image.
Symptom of Misadjustment: Horizontal position and
size of screen image may not be properly displayed.
1. Enter the Service mode. (See page 1-8-1.)
Press "8" button on the remote control unit and
select H-P Mode.
2. Input monoscope pattern.
3. Press CH
o
/
p
buttons on the remote control unit
so that the left and right side of the monoscope pat-
tern are equal to each other.
4. Turn the power off and on again.
7. Cut-off Adjustment
Purpose: To adjust the beam current of R, G, B, and
screen voltage.
Symptom of Misadjustment: White color may be
reddish, greenish or bluish.
Test point
Adj. Point
Mode
Input
---
CH
o
/
p
buttons
---
Monoscope
Tape
M. EQ.
Spec.
---
Pattern Generator
90
±
5%
Test point
Adj. Point
Mode
Input
---
CH
o
/
p
buttons
---
Monoscope
Tape
M. EQ.
Spec.
---
Pattern Generator
---
Test point
Adj. Point
Mode
Input
---
CH
o
/
p
buttons
---
Monoscope
Tape
M. EQ.
Spec.
---
Pattern Generator
---
Test point
Adj. Point
Mode
Input
---
Screen-Control
Ext.
Black
Raster /
White
Raster
Tape
M. EQ.
Spec.
---
Pattern Generator
See Reference
Notes below
Figure
PATTERN GENERATOR
RF INPUT
Fig. 3
Summary of Contents for EC720E
Page 2: ...EC720E T1008UJ 2004 06 22 ...
Page 22: ...1 7 4 TD900DC S 4 S 4 S 4 S 4 4 CRT Anode Cap CRT CBA Fig 3 ...
Page 93: ...2 4 8 TD951DA Fig DM16 41 42 43 L 13 44 45 P 9 Slide Fig DM17 ...
Page 97: ...3 1 3 TD900PEX S4 S1 X1 TAPE X5 X4 X2 X3 S3 S6 S7 S2 PACKING TAPE Packing ...
Page 119: ...Printed in Japan 2003 08 25 HO 6720FDD TD900UA ...
