Version Information - Yamaha AS2000BL Service Manual

A-S2000
G Version Information
• Operation procedures
Turn the "BALANCE" and "TREBLE" knobs coun-
terclockwise fully and then while pressing down
the "AUDIO MUTE" switch, set the "POWER ON/
OFF" switch to the ON position.
• Indication of Firmware Version
The INPUT selector LED indicates the firmware
version in the binary system (BCD).
"TREBLE" knob "BALANCE" knob
"POWER ON/OFF" switch "TREBLE" knob
Input selector LED /
Binary number (BCD) [Lit: 1, Off: 0] /
MAIN DIRECT LINE 2 LINE 1 CD BAL
(2 6 = 64) (2 5 = 32) (2 4 = 16) (2 3 = 8)
0 1 0 0
0 1 0 0
0 1 0 0
0 1 0 0
0 1 0 0
0 1 0 0
0 1 0 1
•
•
•
30
Example) when the firmware version is [V0035]
"AUDIO MUTE" switch
"BALANCE" knob
Firmware version /
CD TUNER PHONO Decimal number /
(2 2 = 4) (2 1 = 2) (2 0 = 1)
0 1 0 V0034 (32 + 2 = 34)
0 1 1 V0035 (32 + 2 + 1 = 35)
1 0 0 V0036 (32 + 4 = 36)
1 0 1 V0037 (32 + 4 + 1 = 37)
1 1 0 V0038 (32 + 4 + 2 = 38)
1 1 1 V0039 (32 + 4 + 2 + 1 = 39)
0 0 0 V0040 (32 + 8 = 40)
•
•
•
G Factory Reset
Set back to the factory setting (INPUT: CD BAL).
• Operation procedures
Turn the "BALANCE" knob clockwise fully and
then while pressing down the "AUDIO MUTE"
switch, set the "POWER ON/OFF" switch to the
ON position.
The INPUT selector LED "CD BAL" will light up
and the normal operation will be restored.
Set the POWER ON/OFF switch to the OFF posi-
tion to end.
"BALANCE" knob
"POWER ON/OFF" switch
"AUDIO MUTE" switch
"BALANCE" knob