The Adjustment Of H.bow; The Adjustment Of Ew Trapezium; The Adjustment Of Rf Agc; Setting The Conditions For Finished Products - Daewoo DDT-21H9ZDF(21") Service Manual

3-5-7-4 The adjustment of H.bow

- Apply PAL CROSS HATCH pattern.
- Go to SERVICE MODE.
- Press H.BOW or H.BOW
- Adjust Parabola Width with H.BOW
- In case of mass production in the factory, keeping the default value is recommended for the adjustment of H.bow
Ddfault value : -00000

3-5-7-5 The adjustment of EW TRAPEZIUM

- Apply PAL CROSS HATCH pattern.
- Go to SERVICE MODE.
- Press EW TRAPEZ
- Adjust Parabola Width with EW TRAPEZ
- In case of mass production in the factory, keeping the default value is recommended for the adjustment of EW TRAPEZ
Default value : +00060

3-6 The adjustment of RF AGC

- Apply PAL signal of 60 2dB V of RF level.
- Connect the probe of the oscilloscope to the P101 #3pin (TUNER AGC INPUT)
- Go to SERVICE MODE.
- Adjust with the COR-B UP/DOWN keys on the service remote control so that the DC voltage may have the value reducde by
1.0 0.2Vdc from
- In case of mass production in the factory, keeping the default value is recommended for the adjustment of AGC
Default value : 17

3-7 Setting the conditions for finished products

- Go to SERVICE MODE.
- Press the upper SHIPPING key on the SVC MODE REMOCON to set the conditions for the finished products.
For the reference, the predesignated values are as follows.
PICTURE
SOUND
NR
BALANCE
VOLUME
key and "H.BOW" OSD will be displayed.
or H.BOW key.
or EW TRAPEZ key and "EW TRAPEZ" OSD will be displayed.
or EW TRAPEZ key.
NORMAL-1
NORMAL
Off
Center
21/63
Pr.
Wake time
Child Lock
-14-
Service Manual CP-099/FS
01
Off
Off