Yamaha DSP-AX757SE Service Manual download pdf (Page 17)

RX-V757/DSP-AX757/DSP-AX757SE

RX-V657/HTR-5860

RX-V757/DSP-AX757/DSP-AX757SE

RX-V657/HTR-5860

K0/K1

This is the A/D value of the panel key input ports KEY0 and

KEY1 (microprocessor). The table below shows the A/D value

obtained when each key is pressed. When the value is not

within the standard value range, no correct operation is pro-

vided. Referring to the table below, check the value of each

voltage dividing resistor of each key, solder condition, etc.

K0/K1

本体パネルキー入力ポートKEY0、KEY1（マイコン）のA/D値

です。それぞれのキーが押された場合のA/D値は下表の通り

です。

基準値から外れると、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。

K0:100 K1:099

[Table 1]

RX-V757 (U, C, A, G models) / RX-V657 (U, C, A, B, G, E models)

[Table 1]

RX-V757 (R, T, K models) / DSP-AX757 (J model) / RX-V657 (R, T, K, L models)

Display (%) K0 K1

0 - 6 MAIN POWER Z2 POWER

7 - 13 ––

14 - 21 ––

22 - 31 ––

32 - 41 INPUT MODE MULTI CH INPUT

42 - 53 STRAIGHT FM/AM

54 - 63 TONE CONTROL A/B/C/D/E

64 - 72 PRESET/TUNING PRESET/TUNING q

73 - 80 SPEAKERS B PRESET/TUNING w

81 - 88 SPEAKERS A MEMORY

89 - 95 PURE DIRECT TUNING MODE

96 - 100 KEY OFF KEY OFF

Display (%) K0 K1

0 - 6 ––

7 - 13 ––

14 - 21 ––

22 - 31 ––

32 - 41 INPUT MODE MULTI CH INPUT

42 - 53 STRAIGHT FM/AM

54 - 63 TONE CONTROL A/B/C/D/E

64 - 72 PRESET/TUNING PRESET/TUNING q

73 - 80 SPEAKERS B PRESET/TUNING w

81 - 88 SPEAKERS A MEMORY

89 - 95 PURE DIRECT TUNING MODE

96 - 100 KEY OFF KEY OFF

[Table 1]

HTR-5860 (U, C, A models)

Display (%) K0 K1

0 - 6 ––

7 - 13 ––

14 - 21 ––

22 - 31 ––

32 - 41 INPUT MODE MULTI CH INPUT

42 - 53 STRAIGHT FM/AM

54 - 63 TONE CONTROL A/B/C/D/E

64 - 72 PRESET/TUNING PRESET/TUNING q

73 - 80 SPEAKERS B PRESET/TUNING w

81 - 88 SPEAKERS A MEMORY

89 - 95 PURE DIRECT TUNING MODE

96 - 100 KEY OFF KEY OFF

[Table 1]

DSP-AX757SE (B model)

Display (%) K0 K1

0 - 6 ––

7 - 13 ––

14 - 21 ––

22 - 31 ––

32 - 41 INPUT MODE MULTI CH INPUT

42 - 53 STRAIGHT –

54 - 63 TONE CONTROL NEXT

64 - 72 – LEVEL -

73 - 80 SPEAKERS B LEVEL +

81 - 88 SPEAKERS A –

89 - 95 PURE DIRECT –

96 - 100 KEY OFF KEY OFF

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Yamaha DSP-AX757SE Service Manual Page 17

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