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- re-insert the input module and tighten the locking screws (B).
8.4 NRS 90227 output transformer for the floating, balanced monitor output
In case that floating monitor outputs are required, the outputs of the INPUT MODULE NRS 90225 and REMOTE
MODULE NRS 90222 are prepared for retrofitting output transformers. If so, it is necessary to additionally install the
extension kit NRS 90227 per each output.
The installation has to be performed as follows (see figure 6 and/or figure 7):
- to remove the input module you have to loosen the two locking screws (B) on the rear panel of the appliance. Now,
the module can be easily torn out.
- before installing the output transformer you have to remove the resistors R22, R23, R32 and R33 (NRS 90225)
respectively the resistors R23, R24, R71 and R72 (NRS 90222).
- now, you can mount the output transformer onto the printed board assembly. Because of the transformer's
symmetrical design, polarity is not a critical factor.
- re-insert the input module and tighten the locking screws (B).
Input Transformer NRS 90208