Fl/Osd Check; Checking Fl Display Section - Yamaha DSP-AX2700 Service Manual

8. FL/OSD CHECK

Use this program to check the FL display section and
image control section. When checking the image con-
trol section, prepare a monitor, HDMI cable, compo-
nent video cable, S video cable and video pin cable
and connect them.
Using the sub-menu operation, the display status of
the FL display section and image control section varies
as shown below.
For audio signal processing, use EFFECT OFF (L/R
output by using ANALOG MAIN BYPASS).

Checking FL display section

VSYNC check
Segment conditions of the FL driver and the FL tube
are checked by turning ON and OFF all segments.
Next, the operation of the FL driver is checked by using
the dimmer control. Then a short between segments
next to each other is checked by turning ON and OFF
all segments alternately (in lattice). (In the above ex-
ample, the segments in the second row from the top
are shorted.)
8 . F L / O S D C H E C K
V S Y N C : N O N E
NONE (No signal) / 50Hz/60Hz
Lighting in lattice
Short
All segments OFF
All segments ON (dimmer 100%)
All segments ON (dimmer 50%)
Lighting of segments
in lattice
Normal
RX-V2700/DSP-AX2700
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