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I need the following 2 repair tips that are in Euras:
1) Noisy component. PE-3 chassis. Audible mechanical buzz varying with picture content.
2) Line linearity problem or thin black line at the left hand side of the screen.
Help me! I am disperatly!
877 VREF QUESTION.
HI,
I HAVE DONE AN ADC CONNECTION OF THE +VREF PIN TO +12V TO EXTEND THE ADC RANGE (SCHEMATIC SIMILAR TO SAMPLE OF PROTEUS). THE SIMULATION IN PROTEUS WAS OK, BUT IN THE CIRCUIT MY PIC IS BROKEN! :( WHY IN PROTEUS HAS DONE THIS EXAMPLE IF WITH OVER OF 5V TO +VREF PIN PIC...
Hi,
I need to interface the usart interface of 2 pic (877) trought a tone generator/decoder, using a twisted couple. What is the best chip, and the best way to do it ?.
Tnx!
Re: EPIC Programmer problem?
HI,
EPIC WORS FINE, BUT FOR 877 CHIP YOU MUST SHORT TO GROUND PIN 36, AND FOR 876 CHIP YOU MUST SHORT TO GROUND PIN24.
BEST REGARDS! :wink:
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