Yamaha HTY-760 Service Manual page 31

Q Q
3 7 6 3 1 5 1 5 0
7. Check the SUM.
After downloading successfully, the value of "SUM from
SET" is appeared.
The procedure is completed when the value of "SUM
from FILE" and "SUM from SET" matches.
* When the displayed firmware version and checksum
are different from written firmware version and
checksum, repeat the steps from 1 to 8 of "Writing to
the DSP" again.
T E
L 1 3 9 4 2 2 9 6 5 1 3
8. Press the "STANDBY/ON" key of this unit to turn off the
power.
9. Disconnect the power cable of this unit from the AC out-
let.
10. Click [EXIT], to end "DSP FLASHER".
11. Disconnect the RS232C cross cable, RS232C conver-
sion jig and flexible flat cable.
• Initializing of this unit
* After updating the firmware, be sure to initialize this
unit.
1. Connect the power cable of this unit to the AC outlet.
2. 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.
3. Select the self-diagnostic function menu "8. FACTORY
PRESET".
4. Select the "PRESET RSRV".
PRESET INHIBIT (Initialization inhibited) /
8. PRESET INHI
w w w
5. Turn off the power of this unit and disconnect the power
cable from the AC outlet.
.
http://www.xiaoyu163.com
Confirm the value of SUM
PRESET RESERVED (Initialization reserved) /
8. PRESET RSRV
x a o u 1 6 3
y
i
http://www.xiaoyu163.com
8 9
Q Q
3 7 6 3 1 5 1
c o
.
2 4 2
9 8
5 0 8 9 2 4 9 8 2
m
YSP-600/HTY-760
9 9
9 9
31