Doepfer A-100 Bedienungsanleitung


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A-100
Analog Modular System
A-100SSB Small Supply/Bus
User's Guide
doepfer Musikelektronik Gmbh
For small DIY set-ups with up to eight modules and a maximum of 380 mA supply
current the A-100SSB s s b ( mall upply/ us board) is intended. A-100SSB is the
combination of a small power supply (+12V/max. 380mA, -12V/max. 380mA) and a
bus board with 8 connectors for A-100 modules.
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AA For the operation and installation of the A-100SSB basic electronic
knowledge and mechanical skills are required. If this does not apply we
strictly advice from installing and running the A-100SSB. In this case
please return the A-100SSB to the dealer where you purchased it for
refund. You have to understand all the information that is included in this
document.
The power supply provides the voltages +12V and – 12V required to run the A-100
modules. In addition +5V are available which are required for some older A-100
modules and modules from other manufacturers.
The maximum current load is 380 mA for +12V, 380 mA for -12V, and 50 mA for
+5 V. If +5V is used the current is taken from the +12V source. In this case the
currents for +12V and +5V have to be added and the sum has to be not more than
380mA.
The A-100SSB bus provides connections for up to eight A-100 modules or modules
from other manufacturers which are 100% compatible. The busboard also carries the
internal signals CV and GATE which may be used if required. This depends upon the
installed modules and if they use the interal CV and/or Gate lines (e.g. Midi/USB
interfaces, VCOs, ADSRs).
The pc board includes a switching power supply module that converts the incoming
mains voltage (110 – 240V AC) into the low voltages (+12VDC, -12VDC) required to
run the A-100 modules.
Important safety notes
A-100SSB is equipped with an IEC socket to establish the connection to mains by
using a suitable cable. During operation dangerous voltages are present at the
bottom of the pc board ! For this reason a metal cover is located at the bottom of the
pc board which prevents the touching of the dangerous parts of the circuit.
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AA Before the mains connection between the IEC socket and mains is made,
it is essential to check if the metal cover is present and rmly mounted !
If that does not apply do not connect the A-100SSB to mains and return
the unit to the dealer where you purchased it !
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AA Otherwise there is DANGER TO LIFE!
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AA If replacement of the fuse is necessary disconnect A-100SSB from mains
and use only the specified fuse value. Never use a higher value !
If the safety check is OK the A-100SSB board has to be mounted at least to a solid
base or better to the rear panel of a suitable DIY case. For this purpose several
mounting holes with 3 mm diameter are available. Using suitable mounting material
(distance bolts or rolls, screws, nuts, washers) the A-100SSB has to be fixed prior to
operating the device. Mounting material is not included as the required parts depend
upon the case type (wood, plastic, metal) and the thickness.
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AA Any connected modules must be firmly fixed into a proper casing. Any
sort of "ying construction" is absolutely discouraged, because if two
conductors from separate modules accidentally make contact, (for
instance if the bus-bars from one module ended up touching another
module’s bus-bars), damage will almost certainly result. In cases like
that, the guarantee is definitely void.
If required the pc board can be separated into the supply unit and the bus board. For
this the board has to be cut (i.e. sawed) along the line that is shown in the
Sketch on the next page. The two units have to be linked together by means of four
wires which connect the terminals – 12V, GND, +12V and +5V (only if +5V is
required) of both parts of the separated pcb. It is possible to solder 6,3mm flat
connectors to the corresponding solder points and use suitable cables with female
flat connectors to link the two units. Cables or flat connectors are not included.
The separated bus board is mounted as described above. The power supply unit is
mounted by means of the two holes of the IEC socket. An additional 3 mm hole is
located next to the fuse holder and can be used for additional fixing of the supply
board.
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AA Before the separated supply unit is connected to mains once again
check if the protecting metal cover is present and firmly mounted !


Produktspezifikationen

Marke: Doepfer
Kategorie: Nicht kategorisiert
Modell: A-100

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