Arcam Delta 60 Manuel d'utilisateur

Naviguer en ligne ou télécharger Manuel d'utilisateur pour Amplificateurs audio Arcam Delta 60. Service Manual Manuel d'utilisatio

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Introduction.
Solo is a single box High quality CD/ DAB-FM
tuner and Amplifier solution implementing
engineering principles derived from our
separates range of products.
Operation building blocks
.
Fig 1. Data line control path.
Fig 2. Audio signal path (left to right)
Solo circuit description
By Andy Moore
Display
CD micro
IC1400
Main micro
IC700
CD
Decoder
IC1302
DAB/FM
Pre-amp/tone
controls
IC402
Laser
front-end
Mute
control
RS232
IN/OUT
Remote
in/out
and
Triggers
Standby
relay
CD-DAC
IC802
Pre-amp +
tone control
I
C402
DAB/Tuner
Line drive
Line inputs
and 3.5mm
front panel
Zone 2
audio
outputs
Main power
amp stages
Pre-amp
Outputs
Bass enhance
IC400a/b
Headphones
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Résumé du contenu

Page 1 - Bass enhance

Introduction. Solo is a single box High quality CD/ DAB-FM tuner and Amplifier solution implementing engineering principles derived from our sep

Page 2

Technical Specification. Pre-amplifier Inputs Maximum input level 2.5Vrms Input impedance 47Kohm Sign

Page 4

Introduction. Solo is a single box High quality CD/ DAB-FM tuner and Amplifier solution implementing engineering principles derived from our separat

Page 5

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(

Page 6

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

Page 7

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

Page 8

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 +/-

Page 9

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

Page 10

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

Page 11

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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