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09

Troubleshooting

Please follow the instructions in this manual to keep the amplifier working in a reliable and safe manner. 
If problems arise or you think there is a problem , please first check the tips given below to checkfor the excact reason.
Sometimes problems could be caused by other related equipment , please check the connections . After doing so and 
the problem still exists , please contact our factory or your local dealer.

Problem

Cause

Remedy 

NO OUTPUT

Power LED is ON.

Power LED is OFF.

Power cord is not well-connected

Main fuse is out.
Troubles of inner parts 
or components

Please check the power cable connection or 
power outlet connection
Replace with the same type and value fuse
Please contact your local agents 
or our factory

NO signal input

Volume is at ZERO

Turn up the Volume

Check the operation state of the Source to

 see whether it is in good operation or not; 

Check the contact of the Signal Input 

Terminal or whether it is Mute; 

Check the operation state of the Amplifier 

to see whether it is in good operation or not.

NO reaction to the remote

Stereo image

is not so good

Noise output

Sound Distortion

High input signal level

Ground of input signal cable is 
open or bad contact of the input 
signal cable
Components or circuits are 
in trouble
Signal input cables or speaker 
cables are wrongly connected

Disturbed by external instruments

Battery is low
Obstacle is located between the 
remote and the amplifier

Turn down the volume to suitable position

Replace the input signal cable with a 
new one

Please contact with local dealer or 
our factory

Reconnect it as suggested in the manual

Keep away from the disturbance and 
restart the amplifier.
Please replace the bateries 

Remove the obstacle

Line Magnetic logo                         is registered trademark of  Zhuhai Line Magnetic Audio Co., LTD. 
Copyright of Zhuhai Line Magnetic Audio Co., LTD. All Rights Reserved.

Содержание LM-512CA

Страница 1: ...INTEGRATED TUBE PRE AMPLIFIER LM 512CA...

Страница 2: ...to avoid any risks 01 Table of Contents Table of Contents Package Contents Product Features Specification Safety Precautions Connection Turning on Functions DescriptionTurning on Tube Replacement Main...

Страница 3: ...rce to see whether it is in good operation or not Check the contact of the Signal Input Terminal or whether it is Mute Check the operation state of the Amplifier to see whether it is in good operation...

Страница 4: ...ncy of Input output transformer Four pieces made of Nickel are used for input output singnal coupling 2 Double EI type of power transformer for power supply Seperate power transformer for Left and Rig...

Страница 5: ...riode of time Please keep the amplifier at a well ventilated place and make sure the ventilation openings are not blocked 3 Do not attempt to service the amplifier yourself Opening the cover will expo...

Страница 6: ...servicing to qualified service personnel To reduce the risk of fire or electronic shock do not expose the unit to rain or moisture Note Input voltage level of the amplifier is 230VAC 5 and please mak...

Страница 7: ...below the power cord socket Replace with the same type and value of fuse Balance Input Socket RCA Output Socket RCA Output or Balance Output Selection If you are choosing RCA output the RCA output si...

Страница 8: ...of connection again right before starting the power supply voltage is normal 1 Turn on the amplifier Operation indicator is on and Mute indicator flashes 2 In 30 seconds the Mute indicator is on and...

Страница 9: ...h the one of the amplifier We are not responsible for any damage caused by an insuitable voltage Turning ON Note 1 It is normal the powertransformers become hot after an extented periode of operation...

Страница 10: ...Audio Representative 4 Remedy If the product contains material or manufacturing defects it must be packed in original packaging and returned to Zhuhai Line Magnetic Audio Co LTD or an authorized Line...

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