User manual

WARSANIS 1401FM USER MANUAL

TEST AND ALIGNMENT PROCEDURES

Thanks to the design of the Warsanis 1401FM the unit does not have any user

alignment points. These tests schould be carried out off air.

POWER-UP TEST

A. Apply power and immediately check for overheating of the regulators on

the power board. Also, check other components for overheating.

B. Check the power leds on the front panel.

INPUT STAGE TEST

Beginning settings.

A. Switch the Leveler into bypass, be sure that the System switch is in

Operate.

B. Leveler drive -

C. Multiband Drive 0

D. Multiband Clipping -4

E. Loudness Clipping -4

A. Feed a 1kHz tone into both channels, increase the input till the

>Multiband gain reduction meter= indicates -2.

B. Change the four input jumpers (J4, J6 ,J7 ,J8) to the right.

C. The output level should increase approximately 10 dB.

PHASE ROTATOR TEST

Cannot be tested separately. If you think the phase rotator has a problem simply

change the jumpers J11 and J12 to the left. This disables the phase rotator. If this

solves the problem IC U2 Is probable broken. Replace the IC and test again.

LEVELER TEST

Beginning settings.

A. Be sure that the Leveler and System switches are in Operate.

B. Leveler drive 10

C. Multiband Drive 0

D. Multiband Clipping -4

E. Loudness Clipping -4

A. Feed a 1kHz tone into both channels, increase the input till the >leveler

gain reduction meter= indicates -10.

B. Decrease the signal by 10dB in one step.

C. When listening to the output of the unit the 1kHz tone should be

increasing slowly.

CROSSOVER TEST