2024年04月26日

施乐027复印机故障维修六例

2003 年 11 月 19 日
 

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¤×÷??5V DC?±????????P3??20??2?????¨?è(H)??5V DC??????????(L)??5V DC??P3??26??3???????ú????(L)??5V DC??P3??25??4??????????????P3??18???????????????ú?¤×÷??5V DC?±???????????????ú???·°????ù×??±?????????????????????????????????????¤×÷·??????????á?ò???????????ì???????·????±????¤???ó???ò???????×???????????????ì???????ú?÷?????¤×÷×????????±????????±?????P3??20???á??????????????????????????5V DC???????????÷?÷???·°???U30??14?????????????????ù?????ú?÷?????¤×÷×????????±????U30??6???????ì?????á?????????????????????????????÷U30?????????????????ü????????(74LS244)?ó????????????????2???÷???ú???????????????¨?????÷???ú?????ú???÷?????????????ù???????????????à?????????????????¤×÷×??????????÷???ú???·°????????????÷??????·??????????ó?????????????????????????±?????ó???÷?????÷???ó???÷?¤×÷×??????????????????????????????????·???ò?????????ì?é?÷???ú???·°?????????·????÷???ú???ò??×??±???????÷?÷?ò??????24V DC?úQ8?úD7?úP16??4?ú?÷???ú?úP16??5?úD8?úQ11?úR55?úGND????×???????×????ì?é???±?ì?é??Q11?±????E??C?????·?????§???????????????????ü??Q11
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