PYLE Audio Car Amplifier PQA3100 User Manual

Professional Power Amplifier  
ꢀꢀꢀPQA3100  
ꢀꢀꢀPQA4100  
ꢀꢀꢀPQA5100  
 
PQA  
PQA  
8
8. Bridge mode  
As the work is in bridge mode, CH A output + connector is the Bridge  
connector +; while CH B + connector is the Bridge connector -.  
 
PQA  
SERIES  
PROBLEM  
SOLUTIONS  
FAULT  
AC supply not connected or  
switched off  
Check AC connections and switches  
No sound  
(power  
LED off)  
Check and replace fuses at plug and IEC  
socket. USE ONLY SAME TYPE AND RATING!  
Blown fuse  
No input,  
Check input is connected, and LED  
NO sound  
(Power  
LED on)  
or input too low  
Level controls set too low  
Increase level controls  
Speakers faulty or  
not connected  
Check speakers and speaker connections  
Use good quality, shielded signal cables and  
ensure they are kept away from AC power cables  
and other AC powered equipment  
Noise from AC supply is being  
picked up in the signal path  
Hum or  
buzz is  
audible  
Use a mains tester to ensure the AC outlet  
has a good earth. Power connected equipment(e.g mixer  
and amp) from the same AC outlet where possible.  
There is an earth problem  
Use the LED to ensure the AC outlet has a good earth.  
Power connected equipment from the same AC outlet  
where possible  
Excessive signal level  
somewhere in signal chain.  
Distortion  
is audible  
Use only high quality cables of the appropriate type,  
protect them from damage and regularly  
check connections.  
Damaged or poor quality  
cables  
Damaged or poor quality  
cables or connectors,  
connectors not properly  
inserted, amp overheating  
Sound cuts  
out or is I  
ntermittent  
Check all cables and connections, refer to above  
sections regarding distortion and temp warning light  
Service  
All the products are thoroughly examined and tested  
before leaving the factory, and if used correctly will give you  
many years of excellent service. However,  
if a problem arises, proceed as follows:  
(A) contact the retailer from whom the unit was purchased and  
describe the symtoms of the fault.  
(B) if the retailer connot help, return the equipment to the  
national distributor for your country. Use the original packaging  
to protect the product from damage. Include a note with the  
equipment stating your name and address, details of the  
problems, date code and date and place of purchase.  
Page5  
 

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