It's the PS2 video out is damaged ...
There is a pair of chips there and seems like something is causing a trouble on the communication of one to the other chip ... Probably broken small parts like resistors or capacitors ... You will need the help of a pro for fixing that issue ....
SCPH-10000_GH-001 SCPH-15000_GH-003 SCPH-18000_GH-008 SCPH-30001_GH-005 SCPH-30000_GH-016(V4) SCPH-30001_GH-010(V4)
2xSCPH-10190, 2xSCPH-10350, 2xSCPH-10280
"**** j0 hackers!"
-Sjeep (As seen on TOXIC OS ELF...)