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Yamaha Xm4220 Power Amp (red Protection Light On)
Hi, when i power up amp the red protection light is on, channel d clip light is also red, any help w...
Hi, when i power up amp the red protection light is on, channel d clip light is also red, any help w...
(Posted by dal160 3 years ago)
Popular Yamaha XM4220 Manual Pages
Owner's Manual - Page 2
... WITH THE FOLLOWING CODE:
GREEN-AND-YELLOW : EARTH
BLUE :
NEUTRAL
BROWN :
LIVE
As the colours of careful attention to the XM6150 6CH and XM4220 4CH power amplifier.
The wire which is marked with superior reliability and stability, guaranteeing the highest possible audio performance. Introduction
Thank you for purchasing a Yamaha 6150, or 4220 XM Series Power Amplifier. In order to...
Owner's Manual - Page 3
....
• Do not touch the power plug with a damaged power cord is a potential electrical shock hazard.
• Do not use this amplifier for a replacement. Remove the power cord from the unit.
• XLR...unit for repair. Failure to become wet. Using the unit in an EIA-compliant rack, refer to amplifier outputs. If you continue using the unit without heeding this instruction, fire...
Owner's Manual - Page 4
In this Owner's Manual for normal operation.
• If the amplifier overheats If the amplifier overheats, the protection system activates. Controls and Functions
s Front Panel
1
34
2
* The illustration shows model XM6150.
1 POWER switch and indicator
This is typically caused by excessive input signal levels.
4 SIGNAL indicator
A channel's SIGNAL indicator lights up and the speakers ...
Owner's Manual - Page 5
...used to connect input signals.
When set to OFF, the two channels operate independently. For example, the signal connected to input channel A is amplified and output by the channel A ...4
7
* The illustration shows model XM6150.
1 HPF switches
These switches are used to turn on and off the HPF (High Pass Filter) for each channel respectively. When set to ON, frequencies below 80 ...
Owner's Manual - Page 6
... or less (XM4220)
Note: Be sure to the chassis of the mixer or preamp, etc.
8 Speaker outputs
These 5-way binding posts are compatible with 70V line output) in parallel.
Speaker min. 4Ω
Speaker min. 4Ω
-+
Speaker min. 8Ω
In Bridge mode, you can connect multiple highimpedance speakers (that support the 70V line...
Owner's Manual - Page 7
... the speaker wires through the holes in such a way that the bare ends of the connector clockwise to securely clamp the wires. Turn off the POWER switch. 2. Insert the wires into the appropriate ports, following the indication of the connector counterclockwise to page 6 for speaker porality.
15mm*
-G +
* Shown actual size.
Wire...
Owner's Manual - Page 8
... the amps will cause the interior of the amp to the following instructions.
The ventilation panel should be a 1U size, and more than 35% of a panel on the top slot of the amplifier. The...
Rack Mounting
If multiple high-power amp units are Minebia 3115PS-12T-B30 (with 1.5 m3/min or more maximum wind and 5 mmH2O or more between two
amps. Mounting: Install the fan kit on the ...
Owner's Manual - Page 9
...Specifications
Power Output Level (Rated Power) 20 Hz~20 kHz THD+N= 0.2%
8Ω 4Ω 8Ω/BRIDGE
1 kHz THD+N= 0.2%
8Ω 4Ω 8Ω/BRIDGE 70.7V/BRIDGE
Power Bandwidth
Half Power
Total Harmonic Distortion (THD + N) 20 Hz~20 kHz, Half Power
Frequency Response
8Ω, Po= 1 W
Intermodulation distortion (IMD) 60 Hz:7 kHz, 4:1, Half Power
Channel Separation
Half Power...
Owner's Manual - Page 10
s Block Diagram
10
Note: The block diagram indicated in the dotted frame ( ) applies only to model XM6150
Owner's Manual - Page 12
... exceeded 90°C.
Consult your dealer or a Yamaha service center. Protection Circuit
The PC limiter circuit activates to protect the power transistors.
Locate and remove the short. A DC voltage of 4Ω (8Ω in Bridge mode).
Check the ventilation around the amplifier and improve the airflow if necessary. Troubleshooting
The following table lists the main causes...
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