The Front Panel Pcb (4) - D&R LYRA Maintenance Manual

Index

4. The Front panel PCB (4)

This PCB contains Analogue in/output 7 and Digital in/output 7 as well as the Studio
headphones and Burr Brown INA163 Microphone input pre amplifiers.
The Samplerate converter (CS8420) for the Digital in/output 7 is located on this board.
The Phantom power (+48V) is generated locally. How and where to measure these
voltages is explained elsewhere in this manual.
5. The Power supply (5)
The Power supply in the Lyra is a switched mode power supply. It delivers 65 Watts of
power and generates the following voltages +5V(5 Amp max), +15V(2Amp max), -
15V(0,5 Amp max).
The fuse that is located on the Power supply is rated for 4 Ampere 250VAC.
The fuse that is located in the AC inlet is rated for 3.15 Amps 250VAC.
Lyra Maintenance Manual. D&R Electronica Weesp B.V. tel. +31 294 418041. info@d-r.nl