System Check; Preliminary Adjustment - Pyle PLXR2B User Manual

System Check

A. PRELIMINARY ADJUSTMENT
1. Pre Setting
a. Preset high-pass and low-pass ampli er input gain to half of their maximum.
b. Preset the crossover frequencies and output levels as follows:
High-Pass Frequency Selector: 125 Hz
Low-Pass Frequency Selector: 100 Hz
High-Pass Output Level: 10 o'clock position
Low-Pass Output Level: 10 o'clock position
c. Preset the volume of the source unit to its minimum (otherwise, when the
source unit is turned on, the sudden surge of high power from the
ampli ers might cause damage to the audio components).
2. Turn the source unit on and slowly turn the source unit volume up:
a. No Sound At All
•
Turn the system o immediately.
•
Check if connections are made properly
(refer to sub-section titled CONNECTION for details).
•
Use a Volt/Ohm meter to make sure good chassis ground established for
each component that needs to be grounded.
•
Check if the power input of all system components are properly connected
to 12 volt positive power supply.
•
Check if the remote on/o terminal of all system components are properly
connected to positive 12-volt source.
•
If everything is in order, turn the power on again. If the problem persists,
refer to section titled TROUBLESHOOTING for assistance.
b. Obvious Distortion
Turn the system o and refer to section titled TROUBLESHOOTING for
assistance.
c. Out-of-Phase Problem (Abnormal Bass) Turn the system o and refer to
section titled TROUBLESHOOTING for assistance. If none of the above
problems exists, proceed to the next step.
www.PyleUSA.com
9