Samsung TXJ2766 Service Manual - Page 15

Other Adjustments

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Alignment and Adjustments 3-2-4 Factory Reset When Ò Factory ResetÓ is selected, the User-Control data reverts to the initial values. The User-Control data is available at MENU (picture, sound and the other functions). Note : When Ò Factory ResetÓ is selected, the Factory Mode Data does not change. Selection sequence : Stand-By ® MUTE ® 1 ® 8 ® 2 ® POWER ON SZM368ET1 (R4027) SZM368ET2 (R4127) ¯ * FACTORY * Adjustment Mpx Pattern Option Reset ¯ Press CH w Adjustment Mpx Pattern Option Reset ¯ Press VOL Execute ¯ * SERVICE * Adjustment MTS PIP Option Reset ¯ Press CH w Adjustment MTS PIP Option Reset ¯ Press VOL Execute 3-3 Other Adjustments w w 3-3-1 General 1. Usually, a color TV needs only slight touch-up adjustment upon installation. Check the basic characteristics such as height, horizontal and vertical sync and focus. 2. Observe the picture for good black and white details. There should be no objectionable color shading. If color shading is present, perform the purity and convergence adjustments described below. 3. Use the specified test equipment or its equivalent. 4. Correct impedance matching is essential. 5. Avoid overload. Excessive signal from a sweep generator might overload the front-end of the TV. When inserting signal markers, do not allow the marker generator to distort test results. 6. Connect the TV only to an AC power source with voltage and frequency as specified on the backcover nameplate. 7. Do not attempt to connect or disconnect any wires while the TV is turned on. Make sure that the power cord is disconnected before replacing any parts. 8. To protect against shock hazard, use an isolation transformer. Samsung Electronics 3-5

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Alignment and Adjustments
Samsung Electronics
3-5
3-2-4 Factory Reset
When ° Factory Reset± is selected, the User-Control data reverts to the initial values.
The User-Control data is available at MENU (picture, sound and the other functions).
Note : When ° Factory Reset± is selected, the Factory Mode Data does not change.
Selection sequence :
Stand-By
fi
MUTE
fi
1
fi
8
fi
2
fi
POWER ON
* FACTORY *
Press VOL
Execute
Press CH
fl
▼
fl
▼
fl
Adjustment
Mpx
Pattern
Option
Reset
Adjustment
Mpx
Pattern
Option
Reset
* SERVICE *
Press VOL
Execute
Press CH
fl
▼
fl
▼
fl
Adjustment
MTS
PIP
Option
Reset
Adjustment
MTS
PIP
Option
Reset
3-3 Other Adjustments
3-3-1 General
1.
Usually, a color TV needs only slight touch-up
adjustment upon installation.
Check the basic
characteristics such as height, horizontal and
vertical sync and focus.
2.
Observe the picture for good black and white
details.
There should be no objectionable
color shading. If color shading is present,
perform the purity and convergence
adjustments described below.
3.
Use the specified test equipment or its
equivalent.
4.
Correct impedance matching is essential.
5.
Avoid overload.
Excessive signal from a
sweep generator might overload
the front-end
of the TV.
When inserting signal markers, do
not allow the marker generator to distort test
results.
6.
Connect the TV only to an AC power source
with voltage and frequency as specified on the
backcover nameplate.
7.
Do not attempt to connect or disconnect any
wires while the TV is turned on.
Make sure
that the power cord is disconnected before
replacing any parts.
8.
To protect against shock hazard, use an
isolation transformer.
SZM368ET1 (R4027)
SZM368ET2 (R4127)