Hi guys, I have problem with this Yamaha amplifier, it have no sound on speakers or headphone for any functions, I try to reset but no result, I know this amplifier have self diagnostic but I don't know how this function working, I can see A1-1 DSP margin but I don't know how found my problems with.
-
Postcard 32 4-Bit 4-Digit Diagnostic Card PC Analyzer Manual
Diagnostic Card is a powerful diagnostic tool for technicians and administrators to troubleshoot
various problems of IBM compatible PCs. It is easy to install, yet extremely powerful to use. With
Diagnostic Card in hand, you no longer have to go through tedious and time consuming process of
trying to figure out what is wrong with your PC hardware. Diagnostic Card will tell you exactly
what is wrong with your PC in just seconds. It saves you time and money.
Our new and improved design...11-01-2024, 06:29 AM -
Belongs to my son and he just says it stopped turning on. Any help greatly appreciated. Theres 240v in and fuse is ok but no power anywhere else.
-
Hi All,
I have a Yamaha A-520 that has no sound output.
I notice after power up the protection protection relay does not click in.
I'd appreciate any pointers on where to start.
Many thanks.
Service Manual below:
https://www.badcaps.net/forum/attach...1&d=1641841819... -
This one seems to power , as the RED LED for standby goes out , or on as the case may be & relay clicks over , but none of the LEDS for any of the inputs light .
Suspecting a micro controller type issue on front board .
Anyone worked on these units ?... -
Help Needed: Yamaha RX-V485 Network Issue After Firmware Update (WN9711 Error)
Hi everyone,
I'm facing an issue with my Yamaha RX-V485 receiver. During a firmware update, the process failed, and now the USB, Bluetooth, and network functionalities are not working. Occasionally, the receiver displays the error code WN9711.
I came across Yamaha Technical Bulletin No. 0103, which describes a similar issue for models like the RX-V4A, RX-V6A, and RX-A2A. According to the bulletin, the issue can be resolved by shorting soldering points (e.g., J260 for RX-V4A or...
Comment