Yamaha DSP-AX463, Service Manual

Page: 42 / 122

42
RX-V463/HTR-6140/DSP-AX463
RX-V463/HTR-6140/
DSP-AX463
N5K0:254K1:254
K0/K1
K0/K1:
KEY0/KEY1 (Panel key of this unit)
A/D value of the key fails to function properly
when the standard value is deviated by
±
4.
In this case, check the constant of partial
pressure resistor, solder condition, etc.
Refer to table.
(Reference voltage: 3.3 V=255)
K0/K1
K0/K1： KEY0/KEY1
（本機パネルキー）
キーのA/D値は基準値から±4を外れると、
正常な動きをしません。
下表をご覧になり、各キーの分圧抵抗の定
数、ハンダ不良等の確認をしてください。
（基準電圧：3.3 V＝255）
Displayed
0 + 4
23
±
4
42
±
4
66
±
4
92
±
4
112
±
4
134
±
4
156
±
4
176
±
4
195
±
4
215
±
4
K0
–
SPEAKERS
A/B/OFF
TONE
CONTROL
PROGRAM
<
PROGRAM
>
STRAIGTH
EFFECT
A/B/C/D/E
BAND
–
EDIT
PRESET/TUNING
–
–
–
AUDIO
SELECT
INPUT
>
INPUT
<
DIRECT
PRESET/TUNING
<
PRESET/TUNING
>
MEMORY
–
INFO
TUNING AUTO/MAN’L
K1
U, C, R, T, K, A, G, E, F, L, J models
Displayed
0 + 4
23
±
4
42
±
4
66
±
4
92
±
4
112
±
4
134
±
4
156
±
4
176
±
4
195
±
4
215
±
4
K0
–
SPEAKERS
A/B/OFF
TONE
CONTROL
PROGRAM
<
PROGRAM
>
STRAIGTH
EFFECT
–
–
–
–
–
–
–
AUDIO
SELECT
INPUT
>
INPUT
<
DIRECT
–
–
–
–
–
K1
B model