Service manual

14
Scalar BLOCK TROUBLE SHOOTING
Press the Power switch , Check the LED will switch from
Green to dark or Orange to dark
Replace U5
Unplug the Signal cable ,there must have OSD message show
“Cable not connected”
no
Replace the Mainboard or replace
GM2115
no
yes
The Mainboard & Flash part is working, please check your PC signal , may be the
frequency out of range or in sleep mode.