User`s manual

advice if a replacement or a second power supply is required for a Mk

I system.

Figure 14 shows the block diagram of the audio section of the MSR-

604 II. The DC supply regulator circuits (not shown) are common to

all channels. The rails to each channel are protected by fusible

resistors so that in the event of a short circuit fault in one channel the

other three are not affected.

The input signal passes via RFI filters to the MIC/LINE switch, a bal-

anced 20dB pad, and then to the REMOTE ATTENUATOR. This is a

6.0 Appendix A

6.1 System Block

Diagram and

Circuit Description

Appendix A

System Block Diagram and Circuit Description

Fig. 14 MSR-604 II Block

Diagram