Yamaha RX-V557, Service Manual

Page: 38 / 131

RX-V557/HTR-5850/DSP-AX557
RX-V457/HTR-5840/DSP-AX457
38
RX-V557/HTR-5850/DSP-AX557 RX-V457/HTR-5840/DSP-AX457
IMP SW/POWER LIMIT
(Impedance/power limiter detection)
IMP: Not applied to these models.
PL: Power limiter detection value
The voltage value of pin No. 92 of IC451 is displayed,
using 5V/256 as standard.
The port (No.3) output is controlled by using the input
voltage value of pin No. 92 of IC451.
IMP SW/POWER LIMIT
（インピーダンス/パワーリミッターの検出）
IMP: このモデルには適用されません。
PL: パワーリミッター検出の値
IC451 92ピンの入力電圧値を5V/256を基準にして表示
します。
IC451 92ピンの入力電圧値により、ポート（3ピン）を制御
します。
[Table 1]
RX-V557 (U, C, A, B, G, E models)
K0/K1 (Panel key of main unit)
A/D of the key fails to function properly when the standard
value is deviated. In this case, check the constant of
partial pressure resistor, solder condition, etc. Refer to
table 1.
K0/K1 （本体パネルキー）
キーのA / D は基準値から外れると、正常な動きをしません。
Table 1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。
[Table 1]
RX-V557/DSP-AX557 (R, T, K, L, J models)
Not applied to these models.
11. V CONV STATUS
Not applied to these models.
LOW BYTE DATA
11. V CONV STATUS
このモデルには適用されません。
LOW BYTE DATA
HIGH BYTE DATA HIGH BYTE DATA
Display (%)
0 - 6
7 - 13
14 - 21
22 - 31
32 - 41
42 - 53
54 - 63
64 - 72
73 - 80
81 - 88
89 - 95
96 - 100
K0
MAIN POWER
-
-
-
INPUT MODE
STRAIGHT
TONE CONTROL
PRESET/TUNING
SPEAKER B
SPEAKER A
-
KEY OFF
K1
Z2 POWER
-
-
-
MULTI CH INPUT
FM/AM
A/B/C/D/E
PRESET/TUNING
PRESET/TUNING
MEMORY
TUNING MODE
KEY OFF
Display (%)
0 - 6
7 - 13
14 - 21
22 - 31
32 - 41
42 - 53
54 - 63
64 - 72
73 - 80
81 - 88
89 - 95
96 - 100
K0
-
-
-
-
INPUT MODE
STRAIGHT
TONE CONTROL
PRESET/TUNING
SPEAKER B
SPEAKER A
-
KEY OFF
K1
-
-
-
-
MULTI CH INPUT
FM/AM
A/B/C/D/E
PRESET/TUNING
PRESET/TUNING
MEMORY
TUNING MODE
KEY OFF
[Table 1]
HTR-5850/RX-V457/HTR-5840/DSP-AX457 (U, C, R, T, K, A, L, J models) [Table 1]
RX-V457/HTR-5840 (B, G, E models)
Display (%)
0 - 6
7 - 13
14 - 21
22 - 31
32 - 41
42 - 53
54 - 63
64 - 72
73 - 80
81 - 88
89 - 95
96 - 100
K0
PROGRAM
PROGRAM
BASS/TREBLE -
BASS/
INPUT MODE
STRAIGHT
TONE CONTROL
PRESET/TUNING
SPEAKER B
SPEAKER A
-
KEY OFF
K1
-
-
-
-
MULTI CH INPUT
FM/AM
A/B/C/D/E
PRESET/TUNING
PRESET/TUNING
MEMORY
TUNING MODE
KEY OFF
Display (%)
0 - 6
7 - 13
14 - 21
22 - 31
32 - 41
42 - 53
54 - 63
64 - 72
73 - 80
81 - 88
89 - 95
96 - 100
K0
PROGRAM
PROGRAM
BASS/TREBLE -
BASS/
INPUT MODE
STRAIGHT
TONE CONTROL
PRESET/TUNING
SPEAKER B
SPEAKER A
-
KEY OFF
K1
EON
MODE
PTY SEEK START
PTY SEEK MODE
MULTI CH INPUT
FM/AM
A/B/C/D/E
PRESET/TUNING
PRESET/TUNING
MEMORY
TUNING MODE
KEY OFF