No outside air temp on display
OK - so after sitting for the best part of 3 months, decided to take my baby out for a drive.
When turning on the aircon & adjusting air temp up from min - after a few seconds it decides all by itself to return to min temp? (cannot hold the temp set by me - even has occasional, random - beeping coming from dashboard with no display showing). Also the outside temp switch will not switch the display (inside/outside). Any suggestions. |
Re: No outside air temp on display
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Re: No outside air temp on display
See this link for discussion on the JDM style A/C controls and how one member fixed his: http://www.svxworldforums.com/view_t...14&forum_id=15
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Re: No outside air temp on display
think the issue must be an oxidised switch - after about 10 minutes it tends to sort itself out - now 4 days in a row without any issues (touch wood!!!)
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Re: No outside air temp on display
Seems to have sorted it'self out - but heading over to see NUTSHL in a few weeks time, he has an SVX in pieces & I am keen to check the condition & see what parts I might need :)
Thanks PADDLESNZ for the Japanese web link below on how to fix the pcb in the aircon unit - will post some pictures from both units once I get time. http://genmei.itline.jp/~svx/diary/?date=20040912 Looks like the properble cause is power supply ripple getting through the C2 (inductor) / C9 (Capacitor) line - will trace both back to source & measure both voltage & ripple from each unit supply. It maybe that replacing both + replacing supply capacitor - upstream (with a bigger/newer one) elsewhere on the pcb may aid with the issue. C2/C9 also goes to resistor network (pull-ups) from the VCC of Motorola IC MC1401x (could be a buffer driver chip) - will know full number when I get more into it. |
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