Yamaha RX-Z11 Service Manual page 54

RX-Z11/DSP-Z11
7. FL CHECK
Use this program to check the FL display section.
Using the sub-menu operation, the display status of
the FL display section vary as follows.
For audio signal processing, use EFFECT OFF (L/R
output by using ANALOG MAIN BYPASS).
Checking FL display section
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 us-
ing the dimmer control. Then a short between seg-
ments next to each other is checked by turning ON
and OFF all segments alternately (in lattice). (In the
above example, the segments in the second row from
the top are shorted.)
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7 . F L C H E C K
P R E S S E N T E R
Lighting in lattice
Short Normal
All segments OFF
All segments ON (dimmer 100%)
All segments ON (dimmer 50%)
Lighting of segments in lattice1
Lighting of segments in lattice2