Yamaha R-N402, Service Manual

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35
R-N402/R-N402D
R-N402/R-N402D
P1-6. KEY
P anel key is detected.
When the A / D conversion value of the panel key becomes out of the specified range, normal operation will not
be available.
In that case, check the constant of voltage dividing resistor, solder condition, etc.
R efer to table.
* When “ P 1-6. KEY ” menu is selected, keys become inoperable due to detection of the values of all keys.
H owever, it is possible to advance to the next menu by turning the VOL U M E knob.
( R eference voltage : 3.3 V=2 55 )
P1-6
KY:255/255 OFF
Display
KEY0
Display
KEY1
A/D value Key name A/D value Key name
000 – 011 INP+ I NPUT
a
000 – 011 TUN+ TUN I NG
012 – 03 4 INP- I NPUT
a
012 – 03 4 TUN- TUN I NG
03 5 – 0 5 9 TRE+ TREB L E + 03 5 – 0 5 9 PST+ PRESET
060 – 0 8 3 TRE- TREB L E – 060 – 0 8 3 PST- PRESET
0 84 – 109 BASS+ BASS + 0 84 – 109 BAND BAND
110 – 13 5
BASS-
BASS – 110 – 13 5
MEM
M E MO RY
136 – 161 RTN RETURN 136 – 161 MODE MO DE
162 – 1 8 6 ENTER
SE L E C T
PUSH – ENTER
(jog dial)
162 – 1 8 6 DISP D I SP L AY
1 8 7 – 213 SPA SPEAKER A
2 55
OFF ̶
21 4 – 2 4 1
SPB
SPEAKER B
2 55 OFF
̶
Key name
KEY1
KEY0