28BDF TV790    = TV Orion 28BDF TV790
Chsssis        = Pro 4400
CPU            = SAA5297PS/065
EEPROM         = PCF8594
V/pr           = TDA8843 1Y / TDA8844 2Y
Tuner          = VST
Service Mode   = RC7-2 (Horizont), button SERVICE
Op1            = A8
Op2            = D8
Op3            = 19