Questions & Answers for: p4500

p4500 yamaha amp amp gave out a large hum type sound in the speakers sound went out came back both speakers could not produce highs and amp was not driving out power like normal first check your input

Yamaha p4500 protect lights do not go off at power up When i power up the amp, the protect light comes on and does not go off. Ive left the unit on for some time and nothing changes. The amp is not ...

Fans Not Coming On, Yammy P4500 Power Amp Are the fans supposed to come on when the unit is powered up? It has not thermalled out yet, but I have never seen, heard, or felt the fans run. I have it ...

...channel does not receive signal as shown by the led.oudtput stage is perfect the amp is a Yamaha P4500 poer amp Try reverse connecting the channels, in order to locate where is the problem; at the ...

[email protected] yamaha p4500 amp one chanel not working. once in prog. amp brust up because of high voltage both chanels.... But we repair one chanel its working but chanel 2 not working TURN ...

Yamaha p4500 keeps blowing both ET5AH250V fuses help? Suspect an overload in the power section, or more likely the main amp. A semi-conductor device is now acting like it was a piece of wire. Easy to ...

YAMAHA p4500 daigrem This is a service manual of your device and it can be downloaded for free and I hope it is suitable for you (included schematic diagram). Go to this web site: ...

Hi We have an Allen & Heath Mixing Desk connected to two Yamaha P4500 audio amplifiers (via graphic EQ and compressor/limiter) which power the 4 main and 4 side speakers in our church. We now want

yamaha p4500 in protection mode The manual says the heat sink is too hot or an unacceptable DC voltage was sensed going ...

power supply output for Yamaha p4500 secondary output for the power supply so that i could check the voltage Hi Joel, although we've sourced detailed schematic for this P4500 amplifier, there are no ...