Introduction. Solo is a single box High quality CD/ DAB-FM tuner and Amplifier solution implementing engineering principles derived from our sep
Technical Specification. Pre-amplifier Inputs Maximum input level 2.5Vrms Input impedance 47Kohm Sign
Introduction. Solo is a single box High quality CD/ DAB-FM tuner and Amplifier solution implementing engineering principles derived from our separat
Digital supplies (cont). The Standby* command logic is supplied by the Micro at location IC700 Pin 7. The +8V(UNREG) rail also provides the +3.3V(
Fig One – quick BD3811 pin guide. Key – (a) Audio - (d) Data Pin No. Description 3 TV in Left (a) 4 TV in Right (a) 5 CD in Left (a
Resets We should witness the operation of the system reset at location IC702 this will be seen as a constant high 3.3v when mains is present, intern
Service mode. Access the Service mode as follows. Put unit into standby mode then press and hold Mute + Volume up + Volume down Use the Source +/-
We can see the FE error (FE) output signal on R1313, this will appear as a high frequency R.F stream of 200mV pk-pk, any excessive bounce may indicat
DAC and Audio stages. The DAC and audio stages are partially obscured by the CD interface card although we can remove the two mounting screws and th
Display Board The Solo display board has a very low component count and is powered by the +3V3(STBY) and +5V(STBY). The board consists of a Itron di
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