Yamaha HTY-760 Service Manual page 30

YSP-600/HTY-760
QQ
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5. Connect the power cable of this unit to the AC outlet.
While pressing the "VOL+" key and "VOL-" key of this
unit, press the "STANDBY/ON" key of the remote con-
trol to activate the self-diagnostic function.
a. Using the "UP" or "DOWN" key of the remote control,
select the self-diagnostic function menu in the figure
below.
b. Using the "LEFT" or "RIGHT" key of the remote
control, select the self-diagnostic function sub-menu
in the figure below.
c. Using the "ENTER" key of the remote control,
change setting as shown below. Writing of the
firmware is started.
TE
L 13942296513
6. When the program transmission is completed, the
screen appears as shown below.
www
Writing being executed.
.
30
http://www.xiaoyu163.com
TxTestCh [---]
T1 Write [OFF]
T1 Write [ON ]
x ao u163
y
i
http://www.xiaoyu163.com
2 9
8
Q Q
3 6 7 1 3 1 5
Change OFF to ON
co
Writing completed.
.
9 4 2 8
0 5 8 2 9 9 4 2 8
m
9 9
9 9