Power up the appliance by pressing the power switch simultaneously pressing and holding the MENU button of the TV cabinet controls until the red LED lights up.
2. Release the MENU button at the cabinet and press the stand-by button on the remote control. The appliance will start up in service mode with a specific support menu.
3. The functions can be selected using the UP/DOWN buttons of the remote control then adjusted with the Volume ± buttons. It is advisable to note down the initial value of each parameter before making any adjustment, so that it can be restored easily if necessary.
If the memory NVM (ICR3) is replaced, it is essential to carry out all the adjustments required in service mode because the replacement memory is supplied NOT preprogrammed.
These operations may take some time, so you must wait until they are complete.
Although the individual settings can be accessed and memorised individually and independently, it is advisable to carry them out in the sequence in which they appear when pressing the DOWN key.
The correct value for the individual appliance is indicated on the label affixed to the rear of the cabinet alongside the words Option byte. The value can be entered using the number keys on the remote control.
The adjustment start pressing the Volume + or – of remote control and the setting will be made automatically. (Warning: PAL signal is mandatory).
AGC tuner setting
Applying a signal of 1mV to the aerial input (UHF channel), adjust so as to give 4 VDC at pin 1 of the tuner.
Screen grid voltage (Vg2)
Adjust the potentiometer G2 on the transformer EHT until the confirmation message appears. No particular signal set-up is required.
The VS (Vertical Slope) function must be adjusted in such a way that the central horizontal line in the test signal is exactly on the border between the visible image and the lower black part. It must not subsequently be altered.
Now set the remaining parameters as accurately as possible in the sequence in which they appear.
Adjust as accurately as possible in the sequence in which they appear.
Adjusting white (Red/Green)
Using a B/W bar signal, adjust to obtain a grey image. The blue setting is fixed.
Exiting factory mode
Once you have made the necessary adjustments, press the OK button on the remote control in one of the menus in which it is active to store all the functions and return to normal operation of the appliance.
Photo by galleryhip.comOrion 28WDA TV Service mode
Before you entering Orion 28WDA factory mode to change any value on the factory service mode, please write down all the original factory settings. tvservicemenu are not responsibility for any damage, data error and unwanted effect after using our service code and information on these page.
Original remote or universal remote control needed as a tools to program the factory mode (Recommended use the original remote control).
If the code above do not match to your television please browse another service code in sitemap page.