Bb Board - Sony VPL-X2000U Service Manual

START
Is the STANDBY indicator lit?
YES
Is any message shown
on the display?
YES
Is power supplied when
the ON key is pressed?
YES
Are normal RGB images output?
YES
Is the 15K component video
image normal?
YES
Normal
4-2
NO
Defective GB board
NO
Defective M board
NO
Defective GAB board,
GB board, and M board.
NO
NO
Defective
BA board
Press the Pattern key and check
if normal cross hatch is output.
YES
Defective BA board,
QA board, BB board
NO
Defective C board,

BB board