Output Level; Limiter Control; Usb-Vbus - Yamaha RX-V475 Service Manual

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P1-4. OUTPUT LEVEL
Output level of speaker output is detected.
The voltage at 121 pin (LMT_0LV) of IC21 is
displayed.
(Reference voltage: 3.3 V=255)
P1-5. LIMITER CONTROL
Power limitter control is detected.
The voltage at 7 pin (AMP_LMT) of IC21 is
displayed.
(Reference voltage: 3.3 V=255)
P1-6. USB-VBUS
Power supply voltage of USB jack is detected.
The voltage at 109 pin (USB_VBUS_PRT) of
IC21 is detected.
(Reference voltage: 3.3 V=255)
P1-4. OUTPUT LEVEL
スピーカー出力の出力レベルの検出
IC21 の 121 ピン(AMP_OLV)の電圧が表示さ
れます。
(基準電圧:3.3 V=255)
P 1 - 4
O U T L V L : 2 5 5
P1-5. LIMITER CONTROL
電源リミッター制御の検出
IC21 の 7 ピン(AMP_LMT)の電圧が表示され
ます。
(基準電圧:3.3 V=255)
P 1 - 5
L M T C N T : 2 5 5
P1-6. USB-VBUS
USB 端子の電源電圧の検出
IC21 の 109 ピン(USB_VBUS_PRT)の電圧が
表示されます。
(基準電圧:3.3 V=255)
P 1 - 6
U S B - V B U S : 0 1 1
RX-V475/HTR-4066/RX-V500D
51

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