Mitsubishi Electric WD-52327, Service Manual

Page: 26 / 51

MODEL: WD-52327 / WD-62327
Page 26
Activating & Selecting an Internal
Test Signal
1. Select an External Input with no signal.
2. Press the buttons “MENU”-“5”-“7”-“5”-“7” in
sequence. (Activates the Service Menu)
3. Select the “FPGA” function (AUDIO button)
4. Press “1” for Pattern A, or “2” for Pattern B.
5.
Press “9” to return to the Service Menu.
6. Press “MENU” to exit the Service Mode.
.
CAUTION
DO NOT
press “MENU” (or HOME) without
pressing “9” first. (The Video Mute function will
not function properly.)
To correct the Mute function -- remove AC to
the TV, then reapply AC to reset the unit.