HOW TO ENTER SERVICE MENU TO JVC AV-20D303 [CRT TV]

To enter service mode to this set:

[1] Press Sleep Timer key and set Sleep Timer settings to [0].

[2] Simoultaneously press [DIDPLAY & VIDEO STATUS] keys on the remote control, BEFORE THE SLEEP TIMER DISPLAY GOES OUT.

[3]  To call and item to adjust, use [CH+&CH--ve] keys on the remote conrol.
[4] To change the data value to selected item, use [Vol+ & Vol--ve] keys on the remote control.
[5]  When adjustment is completed, all the adjusted values will be write into memory automatically.
[5]  Press "Exit" key "Twice" to return to normal screen.

[This is a 12 system complactable set, and you have to adjust the proper system for your country to get color to picture.]