Howzit
Got this red nec uPD 78 programmer keeps on giving receiver timeout error using windows XP pc and com port and cable also tried with Rs232 to usb converter cable same issue
See my PCB images attached any advice or possible repair option appreciated
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Thread: Red Nec Programmer
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14th June, 2022, 11:24 AM #1DK Veteran
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Red Nec Programmer
Last edited by rtbdiagnostic; 14th June, 2022 at 11:27 AM.
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16th June, 2022, 07:29 AM #2DK Veteran
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Howzit
Anybody can perhaps share images of their PCB just to compare with with what I have on my PC Board'If I helped, please click Thanks +Reputation..!'
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16th June, 2022, 05:33 PM #3V.I.P. Member
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i use it in win10
https://www.digital-kaos.co.uk/forum...=1#post2961085-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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The Following User Says Thank You to jomberykaso For This Useful Post:
rtbdiagnostic (17th June, 2022)
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17th June, 2022, 08:32 AM #4DK Veteran
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perhaps you can share softare you use for your device i tried on Win 10 get error uPD78 Dashboeard Programmer not found and sometimes receiver timeout error
How does my PCB compare to yours perhaps any component i can changeLast edited by rtbdiagnostic; 17th June, 2022 at 08:50 AM.
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17th June, 2022, 02:19 PM #5V.I.P. Member
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Just install the right drivers
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17th June, 2022, 03:53 PM #6DK Veteran
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my LM7805CV voltage regulator gets very hot when power 12V 1A supply is connected when i remove the Max232CPE driver form the board it goes back to normal operating temparature
could it be the Maxim 232 driver for the Rs232 port'If I helped, please click Thanks +Reputation..!'
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18th June, 2022, 05:03 PM #7Top Poster
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Hi try this its same as white programmer i used this sw years ago
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The Following 3 Users Say Thank You to SEAT. For This Useful Post:
costa sys (31st January, 2023), Johnner (18th June, 2022), rtbdiagnostic (20th June, 2022)
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11th August, 2023, 09:16 AM #8DK Veteran
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Where can I buy a good quality NEC uPD 78 programmer tried 2 from both very poor quality with bad quality pcb and components missing
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