INDEX
20
M SERIES | SERVICE MANUAL
5.00V - 4.00μS
5.00V - 4.00μS
Proceed by testing the Q101, Q202 gates by means of an oscilloscope.
The following pictures (Fig. 43, 44) portray a more detailed view of the setup and the waves that must appear on the oscilloscope in
order to validate the test.
(Fig. 43)
(Fig. 44)
If any of the aforementioned tests fail please ask for the M SERIES 1 CH KIT, matching the model of the Amp to be repaired:
KT000846.R KIT MD754 M14D - AMP 1CH
KT000847.R KIT MD755 M20D - AMP 1CH
KT000848.R KIT MD756 M30D - AMP 1CH
KT000849.R KIT MQ757 M28Q - AMP 1CH
KT000850.R KIT MQ751 M50Q - AMP 1CH
If the absorption’s value error exceeds ± 10% replace
the CNTRL BOARD and repeat the aforementioned test.
TABLE 1 shows the correlation between the various amp
models and the CNTRL board’s serial number.
AMP MODEL MAIN BOARD SN CNTRL BOARD SN
M14D SMD00754.R SM000687.R
M20D SMD00755.R SM000689.R
M30D SMD00756.R SM000689.R
M50Q SMD00751.R SM000689.R
M28Q SMD00757.R SM000687.R
(Table 1)
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