Connection; Operation Procedures - Yamaha A-S701 Service Manual

● Connection
Use the optical cable (when OPTICAL jack is used) or Digital audio pin cable (when COAXIAL jack is used) to connect
the CD, DVD or BD player and the unit.
● Operation Procedures
1. Set this unit to the firmware update mode.
a. Connect the power cable of this unit to the AC outlet. (Fig.1)
b. Set the "z" (power) switch to the OFF position. (Fig.1)
c. Fully turn the "BALANCE" knob to the right (R). (Fig.1)
d. Fully turn the "VOLUME" knob to the left (minimum). (Fig.1)
e While pressing the "PURE DIRECT" switch, press the "z" (power) switch to turn on this unit. (Fig.1)
The unit is set to the firmware update mode.
When this unit is set to the firmware update mode, the power indicator flashes at a 1-second interval.
When this unit is set to the firmware update mode, the "LINE3" indicator light up. (Fig. 2)
Power cable
" " (Power) switch
AC outlet
Power indicator
OFF
2. Play the firmware CD on the CD/DVD/BD player. Updating of the firmware starts automatically. (Fig. 3)
Note:
• If the lighting pattern of the "INPUT" indicators does not change 10 seconds or more after playback of the
firmware CD was started, try updating the firmware again, starting from the beginning of the procedure.
• Be careful that the power cable is not unplugged and the power voltage does not drop while the firmware is being
updated. Otherwise, firmware updating may fail and cannot be performed again.
"BALANCE" knob
Fig. 1
ON/
STANDBY
Updating started
Fig. 3
"VOLUME" knob
"PURE DIRECT" switch
Fig. 2
Updating
A-S701
13