Service Manual - AMS Neve
Service Manual - AMS Neve
Service Manual - AMS Neve
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
ES/2 TEST SOFTWARE<br />
SynchroNet ES/2 <strong>Service</strong> <strong>Manual</strong><br />
TEST 14 : DC out b<br />
There are two halves to this test. The first displays the following screen :<br />
DC Servo out is ramping 0 down to -10<br />
Test 14 (May be clipped) Press if okay ><br />
The ES/2 sets the DC offset to 128, to set the DCout to operate around 0v, with an initial gain value<br />
of zero. The servo generator is set to a value of 800Hz. The DC gain in then continually swept from<br />
0 up to 256 and then back to 0. This results in a sawtooth wave form with a period of 105ms and a<br />
voltage range of 0 to -7V as shown in Figure 3.<br />
This pattern is continually output until the okay key (key 4) is pressed when the second half of the<br />
test is entered. This test will display the following screen:<br />
DC servo out is ramping 0 up to +5V<br />
Press if okay ><br />
The ES/2 changes the servo generator to output a frequency of 200Hz. The gain is then cycled<br />
round in the same way as above. The results are a sawtooth wave form still with a period of 105ms<br />
but now with a frequency range of 0 to +5V as shown in Figure 4.<br />
Figure 3 : dc out b-sweeping gain f=800Hz<br />
Figure 4 : dc out b-sweeping gain,f=200Hz<br />
2:8 Issue 1
Change language