Meyer Sound MP-4 User Manual

Self-Powered Concert Series
Service Manual
MP-2/4 Amplifier
Doc #: 05.033.040.01
Rev.: A
Date: 08/31/98
Page: 26 of 26
© 1998 Meyer Sound Laboratories, Inc. All rights reserved.
1. Try running the same signal (individually, not looped) into two similar units. If both
units are distorted, check the signal source level for overload.
2. If only one unit has distorted output, perform driver evaluations. Refer to Driver
Inspection and Evaluation Procedure for Self Powered Series Products ( Low Driver
#17.010.120.01 and High driver #17.010.120.02).
3. Replace the Control board with a known good control board (make sure it is the same type)
and retry. Refer to Meyer Sound Self Powered Series TruPower Limiting Upgrade Proce-
dure (# 17.033.042.01 for MP-2 and # 17.033.042.01 for MP-4).
4. If the unit still does not operate correctly, return it to the nearest authorized service
center for further evaluation.
J. Unit has distorted output:

Meyer Sound MP-4 Specifications

General

Brand	Meyer Sound
Model	MP-4
Category	Amplifier
Language	English