Re: Arcam Delta 290 amp remote control
- From: root114@xxxxxxxxx
- Date: Tue, 25 Mar 2008 03:07:31 -0700 (PDT)
On 3月24日, 下午10时57分, "N Cook" <diver...@xxxxxxxxx> wrote:
41 pin 4 wafer motorised function switch is driving me round the twist.
Desoldered from the board and low voltage driving the motor to each of the
six points where the first wafer switch , on in each of 6 positions, the one
with narrow contact areas, is closed at dead centre of each 6 detents. Then
each of the 3 corresponding wafers checks out ok.
But solder the damn thing back in and the relative positions move.
If the second wafer that sends 5V from the common via one of the 6 switch
positions to the pic chip is not making, so not sending 5V to the processor,
then both the function select and the volume control cease to function as
both control lines to both motor drivers go down.
Until you manually fiddle with the function switch and contact is made
again.
--
Diverse Devices, Southampton, England
electronic hints and repair briefs , schematics/manuals list onhttp://home..graffiti.net/diverse:graffiti.net/
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- References:
- Arcam Delta 290 amp remote control
- From: N Cook
- Arcam Delta 290 amp remote control
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