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 ;
...instruction is ok.
...instrukcja jest ok.
Thanks/Dzięki
;
Documentation made available quickly and It is good quality. Thanks.
TROUBLESHOOTING
2. SYSTEM CIRCUIT
A. LED DISPLAY
No LED display.
Is 5V obtained at IC701 pin # 9, 25? YES
NO Check L703, pin#6 of PJ701
NO Oscillation at IC701 pin #1? Exchange IC701.
YES NO
Is there KEY/SEG signal?
Check PCB
YES NO KEY output at PORT of IC701? Check IC 701 pin #6, 7, 8
YES NO SEG output at PORT of IC701? Check IC 701 pin # 10-12,14,15
Exchange IC701.
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Parse Time: 0.158 - Number of Queries: 121 - Query Time: 0.031
