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Question posted by PR56 on August 28th, 2011

No Output On Channel B. Is There A Fuse That Could Have Blown?

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Request from Luckystars280 on May 15th, 2022 9:51 AM
did you find a fuse?

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Related Yamaha EMX640 Manual Pages

Owner's Manual - Page 1

.... • A two-channel power amp is important to prevent damage to vocals or instrumental sounds. POWERED MIXER Owner's Manual Introduction Thank you mount the unit in an audio rack, keep it is likely to be selected as benzine or thinner to clean the unit. The EMX640 has ample power, with a maximum output of 15 cm...

Owner's Manual - Page 2

...a location before the level control (4) of signal that is sent to the EFFECT OUT jacks (input/output panel 3). HIGH: 12 kHz ±15 dB shelving type MID: 2.5 kHz ±15 dB peaking... is sent to the external effect device connected to the MONITOR bus. EMX640-Owner's Manual When connecting a line level device to channels 1~4, or if the mic input is distorted, turn this section, you...

Owner's Manual - Page 3

...effect will be used. s EFFECT section This section allows you to turn the built-in effect. EMX640-Owner's Manual In that case, the signal processed by the EFFECT RTN control of the effect sound ... device connected to the built-in digital effect on (pressed), the digital effect built into the EMX640 can be sent to the MAIN/MONITOR bus. Note: The EFFECT OUT control does not affect ...

Owner's Manual - Page 4

...Graphic equalizer This is a 7-band graphic equalizer that is sent from the MAIN jack (input/output panel 6). EMX640-Owner's Manual E AUX IN control This adjusts the amount of signal that allows you to adjust...D EFFECT RTN control This adjusts the level of frequency bands at when a slider is output from the built-in the center position. Note: To avoid distortion, adjust the MASTER ...

Owner's Manual - Page 5

... of the following three settings to specify the signals that will light when the power of the EMX640 is turned on / off for the Lo-Z input jacks of channels 1~4 and MIC input jacks of the signal output from power amp 1/2. • MAIN-MONITOR With this setting, the MAIN and MONITOR sections can be...

Owner's Manual - Page 6

...MONITOR TAPE REC IN OUT AUX IN MAIN INPUT TO MAIN 5 OUTPUT 6 1 Channel input jacks (Hi-Z, Lo-Z) 1~4 These are compatible with line level devices of 600Ω output impedance. The Lo-Z jacks can be added to this jack.... - + Note: It is -50 dB for the MIC jacks and -20 dB for the Lo-Z jacks. EMX640-Owner's Manual Phantom power is -40 dB~-10 dB for the Hi-Z jacks, and -50 dB~-20 dB...

Owner's Manual - Page 7

.../MAIN jacks. If the two channels are used independently (maximum output 200 W+200 W) or in ...a bridge connection, only one speaker can be connected to the POWER AMP 1 and POWER AMP 2 jacks. In this case, be connected to external devices. The signals sent from the EMX640 to these jacks. The EMX640 contains a two-channel power amp, and the two channels...

Owner's Manual - Page 8

...REAR PANEL CAUTION MONITOR TAPE REC IN OUT AUX IN MAIN INPUT TO MAIN OUTPUT Power AMP Microphone Footswitch (YAMAHA FC5) CD Player Cassette Recorder Main Speakers • Additional, ...speakers can be connected in which speakers can be connected to the BRIDGE jack (bridge connection). EMX640-Owner's Manual Refer to use cables and plugs of these, the required speaker impedance will ...

Owner's Manual - Page 9

.... 3 Use the effect select switches of the cable ﬁrmly into the appropriate Lo-Z/HiZ jack (channels 1~4) or the MIC/LINE jack (channels 5~6). Reverb typical of the sound processed by the effect. Reverb typical of the EMX640. Note: When connecting a line level device to adjust the overall volume and tone. Using the digital...

Owner's Manual - Page 10

... SEE REAR PANEL CAUTION INPUT TO MAIN OUTPUT MAIN BRIDGE MAIN MAIN MAIN MONITOR Microphone CD Player Cassette Deck Connections • Connect mics to channel inputs 1~6. • If you wish to record the audio from the mics to a cassette deck, connect the REC OUT jacks of the EMX640 to adjust the level so that...

Owner's Manual - Page 11

...such as delay or reverb is possible to connect its output jacks to the LINE jacks of channels 5~6. If you turn down for a band. Main Speakers...output, it is also being used. However in this example, the monitor speakers are being sent a mix that you are raised, feedback will be damaged. As a band PA 11 As a band PA Here is an example of using the EMX640 as a small PA for the channels...

Owner's Manual - Page 12

EMX640-Owner's Manual 12 Example setups Sending an independent mix to the monitor speakers 1 Set the MONITOR section MASTER control to the √ position. 2 Raise the MONI controls for the channels to which... the MAIN section. 3 Use the graphic equalizers and MASTER controls of each channel. Using an external effect 1 Set the EFFECT section EFFECT OUT control to the √ position....

Owner's Manual - Page 13

... W 480×275×275 mm 15 kg EMX640-Owner's Manual Specifications 13 Speciﬁcations s General speciﬁcations Maximum output power Frequency response Total harmonic distortion Hum & noise ...control at nominal level and all channel level controls at minimum. -69 dB (73 dB S/N) EFFECT SEND Master level control at nominal level and 1 channel level control at nominal level. 86...

Owner's Manual - Page 14

... OUT 0.1Ω 0.1Ω MAIN OUT 600Ω MONITOR OUT 600Ω EFFECT OUT REC OUT (1, 2) 600Ω 600Ω • All output jacks are subject to change without prior notice. EMX640-Owner's Manual 14 Specifications s Input speciﬁcations Input connectors PAD Actual load impedance Nominal impedance Sensitivity1 Input level Nominal level...

Owner's Manual - Page 15

... 4k 250 125 EFFECT OUT REC OUT EFFECT OUT EFFECT OUT dB BRIDGE 30 POWER AMP 20 10 MAIN, MONITOR 0 -10 -20 -30 -40 -50 EMX640-Owner's Manual

Owner's Manual - Page 16

...manual, meets FCC requirements. The wire which is 300 ohm ribbon lead, change the lead-in Taiwan YAMAHA CORPORATION Pro Audio Division, #18/3 P.O. VY66080 R2 1 IP 16 NP Printed in to the operation of product. Box 3, Hamamatsu,... or the device that are on different branch (circuit breaker or fuse) circuits or install AC line filter/s. Failure to use the product. 2.