2020年02月23日

海尔HS-3709(LA76810)调试方法(1)

2003 年 11 月 19 日
 

HS-3709?¨LA76810???÷??·?·¨ 1????????LA76810?ú????????±????ó?????????ú?ú??×??????????????·LA76810???????í?÷LC863348DIP???
??·????I2C×????????? ±??????????????????? 1.??×??????¨??°?×??????¨?????????¨??AV??????AV??????????????????×÷????/???????????????¨?±???ú/???ú/×??¨?????????????????????ò?ê?ú?????·???????? 2.±??ú??????????±?????????????±??????????÷????????×??????¨??°?×??????¨?????????÷?????????ù?????????????ü??????????+/-?ü?°????+/-?ü?ê????????·?·¨?ê?????÷?é?? 3.??×???????×??à???¨????100???? 2??LA76810?ú???ò?é?? 1.LA76810?÷??????a.????°ü?¨VIF??SIF??VIDEO??CHROMA??OSD??ABL/ACC??1HDL????b.???ê?????????????????÷???°50/60??·ù????????????????c.?????????§???¨4.43MHz??????????3.58MHz?§????d.1H???????????¨?÷?????¨?÷??????LA76810????????e.?????????ò????????????f.???ê??°×??????°????????÷???? 2.LC863348DIP ?¨CPU?????¨??×???????LA76810?????? 3.LA7840 ?¨50/60Hz?????????????????????·?? 4.KS24C04 ?¨4Kbit????E2PROM?? 5.LA4225 ??????????????°é????·????????·??3???÷?????÷?? 1.?????¤?§?÷??×?????·?·¨??????°??????÷??MENU?????ü?? + ?????ü???????ü??SCAN?ü???????ó??°??????ü???ü??MENU ?ú MENU4?? 2.?????÷??????×?????±í????B1?????????????÷??VR551?????÷????B1??????????112V??0.2V?? 3.??·??÷????38Hz???????????????·?????????????????¨T/A??????????·ù????60dB?????¨?÷????·ù???è????1V?±?÷?????????????·????W30???÷??L201????T/B??????????3.6V??0.1V??×?????×???????MENU3????V??SYS??SW?è?????°0?±?????? 4.AGC?÷??????×?????±í????W50?????ì??????????·ù????60dB?????????¨PAL??????°??????¤?§?÷???ü?°T?±??MENU?????°3?±???????·???ò?°RF.AGC?±??×?
·???????±????ì??????°?????+/-?ü??????×?????±í????????3.6??0.05V???ì??????????????3dB???·??AGC????????×??ó????·??ò?????¨2?????¨3?????è???ì???????????????????÷??70??90dB????????????×è?????ó?? 5.?????÷?????±?¤????°×?????÷???????÷???°???ú???¤??5·??????????¨????????????????°??????÷?°factory?±?ü????????????×?????????·?????????????10·???×??????ú??????????°×?????¨????????????70??80dB???÷???????????÷???????ó????×????? °??????°factory?±?ü????MENU?????°2?±?¨????°×?????÷?
??????????????·???òV.KILL??°?×??°¨? +?±?ü??·????????????????????????????÷???±?¤???????÷SCREEN???????????????????????????????ó?????°¨? +?±?ü?? °??????????ü?°P +?±?ò?°P -?±?ü???????ù???÷??????????°??????????ü?°¨? +?±?ò?°¨? -?±?ü????°×?????÷????°×?????÷????????V.KILL0 R.B
35°??????÷??G.B107°??????÷??B.B110°??????÷??R.D60???????÷??G.D15???????÷??B.D90???????÷?? ?÷??°×????
?ó????°??????¤?§?÷???ü???????????¤?§?÷??×????? 6.?????????????÷????°??????°T?±?ü????MENU?????°1?±??°??????????ü?°P +?±?ü???????·???òH.FREQ??°??????????ü?°¨? +?±?ò?°¨? -?±?ü????H.FRRQ???°26?±?? °??????????ü?°P +?±?ü???????·???òH.PHASE??°??????????ü?°¨? +?±?ò?°¨? -?±?ü???????ó×ó???????????????ù?? 7.??????????S?????????????°??·ù???÷???? ??????????°??????????ü?°P +?±?ü???????·???òV.LINE??°??????????ü?°¨? +?±?ò?°¨? -?±?ü???????ó?????????????ù?? ??S????????°??????????ü?°P +?±?ü???????·???òV.SC??°??????????ü?°¨? +?±?ò?°¨? -?±?ü???????ó?????????????????????????ù?? ??????????°??????????ü?°P +?±?ü???????·???òV.POS??°??????????ü?°¨? +?±?ò?°¨? -?±?ü???????ó???????????????ù?? ??·ù??????°??????????ü?°P +?±?ü???????·???òV.SIZE??°??????????ü?°¨? +?±?ò?°¨? -?±?ü???????ó?????????????????????ù??


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