5-4
L4903EA
7. H. Position Adjustment
Purpose:
To obtain correct horizontal position of
screen image.
Symptom of Misadjustment:
If H. Position is
incorrect, horizontal position of image on the screen
may not be properly displayed.
Note:
Use service remote control unit
1. Operate the unit for at least 20 minutes.
2. Enter the Service mode. (See page 5-1.)
3. Receive the monoscope pattern.
4. Press [8] button on the service remote control unit
and select “H-S” mode. (Display change “H-S” and
“H-P” cyclically when [8] button is pressed.)
5. Press [CH
o
/
p
] buttons on the service remote
control unit so that the monoscope pattern will be
90±5% of display size and the circle is round.
6. Turn the power off and on again. (Main power
button on the TV unit.)
8. H. Size Adjustment
Purpose:
To obtain correct horizontal size of screen
image.
Symptom of Misadjustment:
If H. Size is incorrect,
horizontal size of image on the screen may not be
properly displayed.
Note:
Use service remote control unit
1. Operate the unit for at least 20 minutes.
2. Enter the Service mode. (See Page 5-1.)
3. Receive the monoscope pattern.
4. Press [8] button on the service remote control unit
and select “H-S” mode. (Display change “H-S” and
“H-P” cyclically when [8] button is pressed.)
5. Press [CH
o
/
p
] buttons on the service remote
control unit so that the monoscope pattern will be
90±5% of display size and the circle is round.
6. Turn the power off and on again. (Main power
button on the TV unit.)
9. V. Position Adjustment
Purpose:
To obtain correct vertical width of screen
image.
Symptom of misadjustment:
If V. Position is
incorrect, vertical height of image on the screen may
not be properly displayed.
Note:
Use service remote control unit
1. Operate the unit for at least 20 minutes.
2. Enter the Service mode. (See page 5-1.)
3. Receive the monoscope pattern.
4. Press [9] button on the service remote control unit
and select “V-P” mode. (Display change “V-S” and
“V-P” cyclically when [9] button is pressed.)
5. Press [CH
o
/
p
] buttons on the service remote
control unit so that the top and bottom of the
monoscope pattern will be equal of each other.
6. Turn the power off and on again. (Main power
button on the TV unit.)
10. V. Size Adjustment
Purpose:
To obtain correct vertical width of screen
image.
Symptom of Misadjustment:
If V. Size is incorrect,
vertical size of image on the screen may not be
properly displayed.
Note:
Use service remote control unit.
1. Operate the unit for at least 20 minutes.
2. Enter the Service mode. (See page 5-1.)
3. Receive the monoscope pattern.
4. Press [9] button on the service remote control unit
and select “V-S” mode. (Display changes “V-S”
and “V-P” cyclically when [9] button is pressed.)
5. Press [CH
o
/
p
] buttons on the service remote
control unit so that the monoscope pattern will be
90±5% of display size and the circle is round.
6. Turn the power off and on again. (Main power
button on the TV unit.)
Test Point
Adj. Point
Mode
Input
---
[CH
o
/
p
]
buttons
RF
Monoscope
Tape
M. EQ.
Spec.
---
Monoscope
90±5%
Test Point
Adj. Point
Mode
Input
---
[CH
o
/
p
]
buttons
RF
Monoscope
Tape
M. EQ.
Spec.
---
Monoscope
90±5%
Test Point
Adj. Point
Mode
Input
---
[CH
o
/
p
]
buttons
RF
Monoscope
Tape
M. EQ.
Spec.
---
Monoscope
See below.
Test Point
Adj. Point
Mode
Input
---
[CH
o
/
p
]
buttons
RF
Monoscope
Tape
M. EQ.
Spec.
---
Monoscope
90±5%
Summary of Contents for IWT3206
Page 1: ...SERVICE MANUAL 32 ANALOG DIGITAL COLOR TELEVISION IWT3206...
Page 34: ...8 3 Main 1 5 Schematic Diagram L4903SCM1...
Page 35: ...8 4 L4903SCM2 Main 2 5 Schematic Diagram...
Page 36: ...8 5 Main 3 5 Schematic Diagram L4903SCM3...
Page 37: ...8 6 L4903SCM4 Main 4 5 CRT Schematic Diagram...
Page 40: ...8 9 Digital 2 3 Schematic Diagram L4903SCD2...
Page 51: ...12 2 L4905PEX Packing S5 S1 Tape X1 X4 X3 FRONT X2 S2 S2 S3 S3 S8 S7 S4 Packing tape...
Page 60: ...IWT3206 L4903UF 2006 02 24...
