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Company Address: No.7.8.9 Gangxin comprehensive buliding Caisan Nan Yingxing Road ,panyu Diatrict Guangzhou city China

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Coin is the common fault detection and analysis
Publisher:admin Time:2012-02-18 10:41:01 Hits:1757 Times

<DIV id=trans-result-content><SPAN space rightZone="0|9" leftZone="0|9">
<DIV id=trans-result-content>
<P src="1)不吃币"><SPAN space rightZone="0|2" leftZone="0|2">1)</SPAN><SPAN space="0| " rightZone="2|3" leftZone="2|3"> do not</SPAN><SPAN space="0| ,1|&#10;" rightZone="5|6" leftZone="5|6"> eat coins</SPAN></P>
<P src="  1,先确定投币器上电是否正常"><SPAN space rightZone="2|1" leftZone="15|1">1</SPAN><SPAN space rightZone="3|1" leftZone="16|1">,</SPAN><SPAN space="0| " rightZone="4|3" leftZone="17|3"> to</SPAN><SPAN space="0| " rightZone="7|6" leftZone="20|6"> determine</SPAN><SPAN space="0| " rightZone="28|6" leftZone="41|6"> whether</SPAN><SPAN space="0| " rightZone="34|6" leftZone="47|6"> the normal</SPAN><SPAN space="0| " rightZone="22|6" leftZone="35|6"> power</SPAN><SPAN space="0| ,1|&#10;" rightZone="13|9" leftZone="26|9"> coin</SPAN></P>
<P src="   (检测如下,先将投币器的电源拔掉再重新上电源,此时投币器应为如下:)"><SPAN space rightZone="3|1" leftZone="58|1">(</SPAN><SPAN space="0| " rightZone="4|6" leftZone="59|6"> detection</SPAN><SPAN space="0| " rightZone="10|6" leftZone="65|6"> are as follows</SPAN><SPAN space rightZone="16|1" leftZone="71|1">,</SPAN><SPAN space="0| " rightZone="17|6" leftZone="72|6"> first</SPAN><SPAN space="0| " rightZone="23|9" leftZone="78|9"> coin</SPAN><SPAN space="0| " rightZone="32|9" leftZone="87|9"> power</SPAN><SPAN space="0| " rightZone="41|6" leftZone="96|6"> out</SPAN><SPAN space="0| " rightZone="47|9" leftZone="102|9"> again</SPAN><SPAN space="0| " rightZone="56|10" leftZone="111|10"> on the power supply,</SPAN><SPAN space="0| " rightZone="66|6" leftZone="121|6"> the</SPAN><SPAN space="0| " rightZone="72|9" leftZone="127|9"> coin</SPAN><SPAN space="0| " rightZone="81|3" leftZone="136|3"> should be</SPAN><SPAN space="0| " rightZone="84|9" leftZone="139|9"> as follows</SPAN><SPAN space rightZone="93|3" leftZone="148|3">:</SPAN><SPAN space="0| ,1|&#10;" rightZone="96|1" leftZone="151|1"> )</SPAN></P>
<P src="  2,简单型,重新上电时电磁铁会跳一下,然后听到“BI”一声,此表示投币器上电正常。"><SPAN space rightZone="2|1" leftZone="156|1">2</SPAN><SPAN space rightZone="3|3" leftZone="157|3">,</SPAN><SPAN space="0| " rightZone="6|9" leftZone="160|9"> simple</SPAN><SPAN space rightZone="15|3" leftZone="169|3">,</SPAN><SPAN space="0| " rightZone="18|12" leftZone="172|12"> and power on again</SPAN><SPAN space="0| " rightZone="30|3" leftZone="184|3"> when</SPAN><SPAN space="0| " rightZone="33|9" leftZone="187|9"> the electromagnet</SPAN><SPAN space="0| " rightZone="42|3" leftZone="196|3"> will</SPAN><SPAN space="0| " rightZone="45|12" leftZone="199|12"> jump,</SPAN><SPAN space="0| " rightZone="57|12" leftZone="211|12"> then heard</SPAN><SPAN space rightZone="69|3" leftZone="223|3">"</SPAN><SPAN space="0| " rightZone="72|2" leftZone="226|2"> BI</SPAN><SPAN space="0| " rightZone="74|9" leftZone="228|9"> " sound</SPAN><SPAN space rightZone="83|3" leftZone="237|3">,</SPAN><SPAN space="0| " rightZone="86|9" leftZone="240|9"> the</SPAN><SPAN space="0| " rightZone="95|9" leftZone="249|9"> coin</SPAN><SPAN space="0| " rightZone="104|3" leftZone="258|3"> on the</SPAN><SPAN space="0| " rightZone="107|9" leftZone="261|9"> normal</SPAN><SPAN space="1|&#10;" rightZone="116|3" leftZone="270|3">.</SPAN></P>
<P src="  3,多币型,显示器会从“00”一直计到“99”后再归“00”,后电磁铁跳一下,再听到BI一声为正常。"><SPAN space rightZone="2|1" leftZone="277|1">In 3</SPAN><SPAN space rightZone="3|3" leftZone="278|3">,</SPAN><SPAN space="0| " rightZone="6|3" leftZone="281|3"> multiple</SPAN><SPAN space="0| " rightZone="9|3" leftZone="284|3"> coin</SPAN><SPAN space="0| " rightZone="12|3" leftZone="287|3"> type</SPAN><SPAN space rightZone="15|3" leftZone="290|3">,</SPAN><SPAN space="0| " rightZone="18|12" leftZone="293|12"> display</SPAN><SPAN space="0| " rightZone="30|11" leftZone="305|11"> from "00"</SPAN><SPAN space="0| " rightZone="47|6" leftZone="322|6"> to</SPAN><SPAN space rightZone="53|3" leftZone="328|3">"</SPAN><SPAN space="0| " rightZone="56|2" leftZone="331|2"> 99</SPAN><SPAN space rightZone="58|3" leftZone="333|3">"</SPAN><SPAN space="0| " rightZone="61|3" leftZone="336|3"> after</SPAN><SPAN space="0| " rightZone="41|6" leftZone="316|6"> all</SPAN><SPAN space="0| " rightZone="64|6" leftZone="339|6"> again to</SPAN><SPAN space="0| " rightZone="70|8" leftZone="345|8"> "00"</SPAN><SPAN space rightZone="78|3" leftZone="353|3">,</SPAN><SPAN space="0| " rightZone="81|3" leftZone="356|3"> after</SPAN><SPAN space="0| " rightZone="84|9" leftZone="359|9"> the electromagnet</SPAN><SPAN space="0| " rightZone="93|12" leftZone="368|12"> jump,</SPAN><SPAN space="0| " rightZone="105|9" leftZone="380|9"> then hear the</SPAN><SPAN space="0| " rightZone="114|2" leftZone="389|2"> BI</SPAN><SPAN space="0| " rightZone="116|9" leftZone="391|9"> sound as</SPAN><SPAN space="0| " rightZone="125|6" leftZone="400|6"> normal</SPAN><SPAN space="1|&#10;" rightZone="131|3" leftZone="406|3">.</SPAN></P>
<P src="  4,如重新上电无任何反应,拆开电路板盖,用万用表测量电源电压及是U3的第1脚电压是否正常,第1脚是电压应为12V左右,如果12V电压正常,则再测量U3的第3脚电压,第3脚电压应为5V左右,如第三脚输出电压超出5V,那么说明稳压管7805烧坏,将其换掉即可。如两则电压均正常,投币器还是无任何反应,此投币器应退回生产厂家外理。"><SPAN space rightZone="2|1" leftZone="413|1">4</SPAN><SPAN space rightZone="3|3" leftZone="414|3">,</SPAN><SPAN space="0| " rightZone="6|3" leftZone="417|3"> such as</SPAN><SPAN space="0| " rightZone="9|12" leftZone="420|12"> power on again</SPAN><SPAN space="0| " rightZone="21|15" leftZone="432|15"> without any response</SPAN><SPAN space rightZone="36|3" leftZone="447|3">,</SPAN><SPAN space="0| " rightZone="39|6" leftZone="450|6"> open</SPAN><SPAN space="0| " rightZone="45|12" leftZone="456|12"> circuit board cover</SPAN><SPAN space rightZone="57|3" leftZone="468|3">,</SPAN><SPAN space="0| " rightZone="60|18" leftZone="471|18"> the multimeter is used to measure</SPAN><SPAN space="0| " rightZone="78|15" leftZone="489|15"> the voltage of the power supply</SPAN><SPAN space="0| " rightZone="93|3" leftZone="504|3"> is</SPAN><SPAN space="0| " rightZone="96|12" leftZone="507|12"> U3 first pin</SPAN><SPAN space="0| " rightZone="108|21" leftZone="519|21"> voltage is normal,</SPAN><SPAN space="0| " rightZone="129|10" leftZone="540|10"> the first foot is a</SPAN><SPAN space="0| " rightZone="139|9" leftZone="550|9"> voltage of</SPAN><SPAN space="0| " rightZone="148|12" leftZone="559|12"> about 12V</SPAN><SPAN space rightZone="160|3" leftZone="571|3">,</SPAN><SPAN space="0| " rightZone="163|9" leftZone="574|9"> if the 12V</SPAN><SPAN space="0| " rightZone="172|12" leftZone="583|12"> voltage is normal</SPAN><SPAN space rightZone="184|3" leftZone="595|3">,</SPAN><SPAN space="0| " rightZone="187|6" leftZone="598|6"> then</SPAN><SPAN space="0| " rightZone="193|6" leftZone="604|6"> measuring</SPAN><SPAN space="0| " rightZone="204|4" leftZone="615|4"> third</SPAN><SPAN space="0| " rightZone="208|3" leftZone="619|3"> feet</SPAN><SPAN space="0| " rightZone="199|5" leftZone="610|5"> U3</SPAN><SPAN space="0| " rightZone="220|4" leftZone="631|4"> third</SPAN><SPAN space="0| " rightZone="224|3" leftZone="635|3"> feet</SPAN><SPAN space="0| " rightZone="211|6" leftZone="622|6"> of voltage</SPAN><SPAN space rightZone="217|3" leftZone="628|3">,</SPAN><SPAN space="0| " rightZone="227|12" leftZone="638|12"> voltage should be</SPAN><SPAN space="0| " rightZone="239|8" leftZone="650|8"> about 5V</SPAN><SPAN space rightZone="247|3" leftZone="658|3">,</SPAN><SPAN space="0| " rightZone="250|3" leftZone="661|3"> such as</SPAN><SPAN space="0| " rightZone="253|9" leftZone="664|9"> the third</SPAN><SPAN space="0| " rightZone="262|6" leftZone="673|6"> output</SPAN><SPAN space="0| " rightZone="268|12" leftZone="679|12"> voltage exceeds</SPAN><SPAN space="0| " rightZone="280|2" leftZone="691|2"> 5V</SPAN><SPAN space rightZone="282|3" leftZone="693|3">,</SPAN><SPAN space="0| " rightZone="285|12" leftZone="696|12"> then the</SPAN><SPAN space="0| " rightZone="297|9" leftZone="708|9"> voltage stabilizing tube</SPAN><SPAN space="0| " rightZone="306|4" leftZone="717|4"> 7805</SPAN><SPAN space="0| " rightZone="310|6" leftZone="721|6"> burnt out</SPAN><SPAN space rightZone="316|3" leftZone="727|3">,</SPAN><SPAN space="0| " rightZone="319|6" leftZone="730|6"> be</SPAN><SPAN space="0| " rightZone="325|12" leftZone="736|12"> replaced</SPAN><SPAN space rightZone="337|3" leftZone="748|3">.</SPAN><SPAN space="0| " rightZone="340|3" leftZone="751|3"> If</SPAN><SPAN space="0| " rightZone="343|6" leftZone="754|6"> two</SPAN><SPAN space="0| " rightZone="349|6" leftZone="760|6"> voltage</SPAN><SPAN space="0| " rightZone="355|9" leftZone="766|9"> were normal</SPAN><SPAN space rightZone="364|3" leftZone="775|3">,</SPAN><SPAN space="0| " rightZone="367|9" leftZone="778|9"> coin</SPAN><SPAN space="0| " rightZone="376|6" leftZone="787|6"> or</SPAN><SPAN space="0| " rightZone="382|15" leftZone="793|15"> no response</SPAN><SPAN space rightZone="397|3" leftZone="808|3">,</SPAN><SPAN space="0| " rightZone="400|3" leftZone="811|3"> the</SPAN><SPAN space="0| " rightZone="403|9" leftZone="814|9"> coin</SPAN><SPAN space="0| " rightZone="412|3" leftZone="823|3"> should be</SPAN><SPAN space="0| " rightZone="415|6" leftZone="826|6"> returned to the</SPAN><SPAN space="0| " rightZone="421|15" leftZone="832|15"> manufacturers</SPAN><SPAN space="0| " rightZone="436|3" leftZone="847|3"> institute</SPAN><SPAN space="1|&#10;" rightZone="439|3" leftZone="850|3">.</SPAN></P>
<P src="  5,如只听到“BI”一声,而电磁铁没有跳动的话,那么通常只有三个可能,"><SPAN space rightZone="2|1" leftZone="857|1">5</SPAN><SPAN space rightZone="3|3" leftZone="858|3">,</SPAN><SPAN space="0| " rightZone="6|3" leftZone="861|3"> if</SPAN><SPAN space="0| " rightZone="9|12" leftZone="864|12"> only to hear the "</SPAN><SPAN space="0| " rightZone="21|2" leftZone="876|2"> BI</SPAN><SPAN space="0| " rightZone="23|9" leftZone="878|9"> " sound</SPAN><SPAN space rightZone="32|3" leftZone="887|3">,</SPAN><SPAN space="0| " rightZone="35|12" leftZone="890|12"> while the electromagnet is</SPAN><SPAN space="0| " rightZone="47|6" leftZone="902|6"> not</SPAN><SPAN space="0| " rightZone="53|9" leftZone="908|9"> beating</SPAN><SPAN space rightZone="62|6" leftZone="917|6">,</SPAN><SPAN space="0| " rightZone="68|12" leftZone="923|12"> then usually</SPAN><SPAN space="0| " rightZone="80|18" leftZone="935|18"> has only three possible</SPAN><SPAN space="1|&#10;" rightZone="98|3" leftZone="953|3">,</SPAN></P>
<P src="(1)电磁铁坏掉,如没坏掉的电磁铁它的内阻应为50欧姆左右。"><SPAN space rightZone="0|3" leftZone="958|3">(</SPAN><SPAN space="0| " rightZone="3|4" leftZone="961|4"> 1)</SPAN><SPAN space="0| " rightZone="7|9" leftZone="965|9"> the electromagnet</SPAN><SPAN space="0| " rightZone="16|6" leftZone="974|6"> is broken</SPAN><SPAN space rightZone="22|3" leftZone="980|3">,</SPAN><SPAN space="0| " rightZone="25|6" leftZone="983|6"> if not</SPAN><SPAN space="0| " rightZone="31|9" leftZone="989|9"> broken</SPAN><SPAN space="0| " rightZone="40|12" leftZone="998|12"> electromagnet which</SPAN><SPAN space="0| " rightZone="52|9" leftZone="1010|9"> resistance</SPAN><SPAN space="0| " rightZone="61|3" leftZone="1019|3"> should be</SPAN><SPAN space="0| " rightZone="64|17" leftZone="1022|17"> around 50 ohms</SPAN><SPAN space="1|&#10;" rightZone="81|3" leftZone="1039|3">.</SPAN></P>
<P src="(2)如电磁铁没坏,则测量Q2(D471)三极管是否击穿。"><SPAN space rightZone="0|3" leftZone="1044|3">(</SPAN><SPAN space="0| " rightZone="3|4" leftZone="1047|4"> 2)</SPAN><SPAN space="0| " rightZone="7|12" leftZone="1051|12"> such as an electromagnet</SPAN><SPAN space="0| " rightZone="19|3" leftZone="1063|3"> is not</SPAN><SPAN space="0| " rightZone="22|3" leftZone="1066|3"> bad</SPAN><SPAN space rightZone="25|3" leftZone="1069|3">,</SPAN><SPAN space="0| " rightZone="28|3" leftZone="1072|3"> then the</SPAN><SPAN space="0| " rightZone="31|8" leftZone="1075|8"> measurement of Q2</SPAN><SPAN space="0| " rightZone="39|3" leftZone="1083|3"> (</SPAN><SPAN space="0| " rightZone="42|4" leftZone="1086|4"> D471</SPAN><SPAN space="0| " rightZone="46|3" leftZone="1090|3"> )</SPAN><SPAN space="0| " rightZone="49|3" leftZone="1093|3"> three</SPAN><SPAN space="0| " rightZone="52|6" leftZone="1096|6"> transistor</SPAN><SPAN space="0| " rightZone="58|6" leftZone="1102|6"> is</SPAN><SPAN space="0| " rightZone="64|6" leftZone="1108|6"> breakdown</SPAN><SPAN space="1|&#10;" rightZone="70|3" leftZone="1114|3">.</SPAN></P>
<P src="(3)如以上都没坏,可能是D1(4148)坏了。"><SPAN space rightZone="0|3" leftZone="1119|3">(</SPAN><SPAN space="0| " rightZone="3|4" leftZone="1122|4"> 3)</SPAN><SPAN space="0| " rightZone="7|9" leftZone="1126|9"> if the above</SPAN><SPAN space="0| " rightZone="16|3" leftZone="1135|3"> are</SPAN><SPAN space="0| " rightZone="19|6" leftZone="1138|6"> not bad</SPAN><SPAN space rightZone="25|3" leftZone="1144|3">,</SPAN><SPAN space="0| " rightZone="28|11" leftZone="1147|11"> may be D1</SPAN><SPAN space="0| " rightZone="39|3" leftZone="1158|3"> (</SPAN><SPAN space="0| " rightZone="42|7" leftZone="1161|7"> 4148)</SPAN><SPAN space="0| " rightZone="49|6" leftZone="1168|6"> is broken</SPAN><SPAN space="1|&#10;" rightZone="55|3" leftZone="1174|3">.</SPAN></P>
<P src="(4)如以上均无问题,则需退回生产厂家处理了。"><SPAN space rightZone="0|3" leftZone="1179|3">(</SPAN><SPAN space="0| " rightZone="3|4" leftZone="1182|4"> 4)</SPAN><SPAN space="0| " rightZone="7|9" leftZone="1186|9"> if</SPAN><SPAN space="0| " rightZone="16|15" leftZone="1195|15"> no problem,</SPAN><SPAN space="0| " rightZone="31|6" leftZone="1210|6"> then</SPAN><SPAN space="0| " rightZone="37|6" leftZone="1216|6"> returned to the</SPAN><SPAN space="0| " rightZone="43|12" leftZone="1222|12"> manufacturers</SPAN><SPAN space="0| " rightZone="55|9" leftZone="1234|9"> processing</SPAN><SPAN space="1|&#10;" rightZone="64|3" leftZone="1243|3">.</SPAN></P>
<P src="  6,如电磁铁跳后没听到“BI”一声,那么拆开电路板盖,通电后,用电表测量测币线圈(用黑表笔接地,红表笔测线圈两端)线圈的两只脚电压应在3-4V之间,如电压不正常(1,如线圈的一个脚有5V左右,而另一个脚却只有0.3V,那么说明是线圈断路,2,如线圈的两个脚都为5V,那么说明Q1坏掉。)如电压都正常;那么将表笔短路Q5的1,2脚,如听到有“嚓嚓”声,那说明蜂鸣器没坏,Q5坏掉;如没听到“嚓嚓”声,那说明蜂鸣器坏了。"><SPAN space rightZone="2|1" leftZone="1250|1">6</SPAN><SPAN space rightZone="3|3" leftZone="1251|3">,</SPAN><SPAN space="0| " rightZone="6|12" leftZone="1254|12"> such as an electromagnet</SPAN><SPAN space="0| " rightZone="18|6" leftZone="1266|6"> after the jump to</SPAN><SPAN space="0| " rightZone="24|12" leftZone="1272|12"> hear "</SPAN><SPAN space="0| " rightZone="36|2" leftZone="1284|2"> BI</SPAN><SPAN space="0| " rightZone="38|9" leftZone="1286|9"> " sound</SPAN><SPAN space rightZone="47|3" leftZone="1295|3">,</SPAN><SPAN space="0| " rightZone="50|6" leftZone="1298|6"> then</SPAN><SPAN space="0| " rightZone="56|6" leftZone="1304|6"> opened the</SPAN><SPAN space="0| " rightZone="62|12" leftZone="1310|12"> circuit board cover</SPAN><SPAN space rightZone="74|3" leftZone="1322|3">,</SPAN><SPAN space="0| " rightZone="77|12" leftZone="1325|12"> when energized,</SPAN><SPAN space="0| " rightZone="89|9" leftZone="1337|9"> meter</SPAN><SPAN space="0| " rightZone="98|9" leftZone="1346|9"> measuring</SPAN><SPAN space="0| " rightZone="107|3" leftZone="1355|3"> coin</SPAN><SPAN space="0| " rightZone="110|6" leftZone="1358|6"> coil</SPAN><SPAN space="0| " rightZone="116|3" leftZone="1364|3"> (</SPAN><SPAN space="0| " rightZone="119|3" leftZone="1367|3"> with</SPAN><SPAN space="0| " rightZone="122|12" leftZone="1370|12"> black table document connected</SPAN><SPAN space="0| " rightZone="134|3" leftZone="1382|3"> to</SPAN><SPAN space rightZone="137|3" leftZone="1385|3">,</SPAN><SPAN space="0| " rightZone="140|9" leftZone="1388|9"> the red pen</SPAN><SPAN space="0| " rightZone="149|3" leftZone="1397|3"> measuring</SPAN><SPAN space="0| " rightZone="152|6" leftZone="1400|6"> coil</SPAN><SPAN space="0| " rightZone="158|6" leftZone="1406|6"> ends of</SPAN><SPAN space="0| " rightZone="176|9" leftZone="1424|9"> two feet</SPAN><SPAN space="0| " rightZone="164|3" leftZone="1412|3"> )</SPAN><SPAN space="0| " rightZone="167|9" leftZone="1415|9"> coil</SPAN><SPAN space="0| " rightZone="185|6" leftZone="1433|6"> voltage</SPAN><SPAN space="0| " rightZone="191|6" leftZone="1439|6"> should be in</SPAN><SPAN space="0| " rightZone="197|13" leftZone="1445|13"> 3-4V,</SPAN><SPAN space="0| " rightZone="210|3" leftZone="1458|3"> if the</SPAN><SPAN space="0| " rightZone="213|15" leftZone="1461|15"> voltage is not normal</SPAN><SPAN space="0| " rightZone="228|3" leftZone="1476|3"> (</SPAN><SPAN space="0| " rightZone="231|1" leftZone="1479|1"> 1</SPAN><SPAN space rightZone="232|3" leftZone="1480|3">,</SPAN><SPAN space="0| " rightZone="235|3" leftZone="1483|3"> such as</SPAN><SPAN space="0| " rightZone="238|12" leftZone="1486|12"> a coil</SPAN><SPAN space="0| " rightZone="250|3" leftZone="1498|3"> a</SPAN><SPAN space="0| " rightZone="253|6" leftZone="1501|6"> foot is</SPAN><SPAN space="0| " rightZone="259|8" leftZone="1507|8"> about 5V</SPAN><SPAN space rightZone="267|3" leftZone="1515|3">,</SPAN><SPAN space="0| " rightZone="270|12" leftZone="1518|12"> and another</SPAN><SPAN space="0| " rightZone="282|3" leftZone="1530|3"> foot</SPAN><SPAN space="0| " rightZone="285|9" leftZone="1533|9"> is only</SPAN><SPAN space="0| " rightZone="294|4" leftZone="1542|4"> 0.3V</SPAN><SPAN space rightZone="298|3" leftZone="1546|3">,</SPAN><SPAN space="0| " rightZone="301|12" leftZone="1549|12"> then</SPAN><SPAN space="0| " rightZone="313|9" leftZone="1561|9"> is the coil</SPAN><SPAN space="0| " rightZone="322|6" leftZone="1570|6"> circuit</SPAN><SPAN space rightZone="328|3" leftZone="1576|3">,</SPAN><SPAN space="0| " rightZone="331|1" leftZone="1579|1"> 2</SPAN><SPAN space rightZone="332|3" leftZone="1580|3">,</SPAN><SPAN space="0| " rightZone="335|9" leftZone="1583|9"> such as a coil</SPAN><SPAN space="0| " rightZone="344|3" leftZone="1592|3"> of</SPAN><SPAN space="0| " rightZone="347|6" leftZone="1595|6"> two</SPAN><SPAN space="0| " rightZone="353|3" leftZone="1601|3"> feet</SPAN><SPAN space="0| " rightZone="356|8" leftZone="1604|8"> for 5V</SPAN><SPAN space rightZone="364|3" leftZone="1612|3">,</SPAN><SPAN space="0| " rightZone="367|12" leftZone="1615|12"> then</SPAN><SPAN space="0| " rightZone="379|8" leftZone="1627|8"> Q1 broken</SPAN><SPAN space rightZone="387|3" leftZone="1635|3">.</SPAN><SPAN space="0| " rightZone="390|3" leftZone="1638|3"> )</SPAN><SPAN space="0| " rightZone="393|9" leftZone="1641|9"> If the voltage</SPAN><SPAN space="0| " rightZone="402|9" leftZone="1650|9"> is normal</SPAN><SPAN space rightZone="411|3" leftZone="1659|3">;</SPAN><SPAN space="0| " rightZone="414|9" leftZone="1662|9"> the</SPAN><SPAN space="0| " rightZone="423|6" leftZone="1671|6"> pen</SPAN><SPAN space="0| " rightZone="429|6" leftZone="1677|6"> short circuit</SPAN><SPAN space="0| " rightZone="435|5" leftZone="1683|5"> Q5</SPAN><SPAN space="0| " rightZone="440|1" leftZone="1688|1"> 1</SPAN><SPAN space rightZone="441|3" leftZone="1689|3">,</SPAN><SPAN space="0| " rightZone="444|1" leftZone="1692|1"> 2</SPAN><SPAN space="0| " rightZone="445|3" leftZone="1693|3"> feet</SPAN><SPAN space rightZone="448|3" leftZone="1696|3">,</SPAN><SPAN space="0| " rightZone="451|3" leftZone="1699|3"> such as</SPAN><SPAN space="0| " rightZone="454|9" leftZone="1702|9"> hear</SPAN><SPAN space rightZone="463|3" leftZone="1711|3">"</SPAN><SPAN space="0| " rightZone="466|6" leftZone="1714|6"> Tsatsa</SPAN><SPAN space rightZone="472|3" leftZone="1720|3">"</SPAN><SPAN space="0| " rightZone="475|3" leftZone="1723|3"> sound</SPAN><SPAN space rightZone="478|3" leftZone="1726|3">,</SPAN><SPAN space="0| " rightZone="481|9" leftZone="1729|9"> then</SPAN><SPAN space="0| " rightZone="490|9" leftZone="1738|9"> the buzzer</SPAN><SPAN space="0| " rightZone="499|3" leftZone="1747|3"> not</SPAN><SPAN space="0| " rightZone="502|3" leftZone="1750|3"> bad</SPAN><SPAN space rightZone="505|3" leftZone="1753|3">,</SPAN><SPAN space="0| " rightZone="508|8" leftZone="1756|8"> Q5 broken</SPAN><SPAN space rightZone="516|3" leftZone="1764|3">;</SPAN><SPAN space="0| " rightZone="519|3" leftZone="1767|3"> such as</SPAN><SPAN space="0| " rightZone="522|12" leftZone="1770|12"> hear "</SPAN><SPAN space="0| " rightZone="534|6" leftZone="1782|6"> Tsatsa</SPAN><SPAN space rightZone="540|3" leftZone="1788|3">"</SPAN><SPAN space="0| " rightZone="543|3" leftZone="1791|3"> sound</SPAN><SPAN space rightZone="546|3" leftZone="1794|3">,</SPAN><SPAN space="0| " rightZone="549|9" leftZone="1797|9"> then</SPAN><SPAN space="0| " rightZone="558|9" leftZone="1806|9"> the buzzer</SPAN><SPAN space="0| " rightZone="567|6" leftZone="1815|6"> is broken</SPAN><SPAN space="1|&#10;" rightZone="573|3" leftZone="1821|3">.</SPAN></P>
<P src="如以上所述都没问题,则可能是投币器的EPROM内存被清空了,只要重新存一下币即可。"><SPAN space rightZone="0|3" leftZone="1826|3">If</SPAN><SPAN space="0| " rightZone="3|12" leftZone="1829|12"> the above</SPAN><SPAN space="0| " rightZone="15|3" leftZone="1841|3"> are</SPAN><SPAN space="0| " rightZone="18|9" leftZone="1844|9"> no problem</SPAN><SPAN space rightZone="27|3" leftZone="1853|3">,</SPAN><SPAN space="0| " rightZone="30|12" leftZone="1856|12"> it may be</SPAN><SPAN space="0| " rightZone="42|9" leftZone="1868|9"> a coin collector</SPAN><SPAN space="0| " rightZone="51|14" leftZone="1877|14"> EPROM memory</SPAN><SPAN space="0| " rightZone="65|3" leftZone="1891|3"> is</SPAN><SPAN space="0| " rightZone="68|9" leftZone="1894|9"> cleared</SPAN><SPAN space rightZone="77|3" leftZone="1903|3">,</SPAN><SPAN space="0| " rightZone="80|6" leftZone="1906|6"> so long as</SPAN><SPAN space="0| " rightZone="86|6" leftZone="1912|6"> to</SPAN><SPAN space="0| " rightZone="92|3" leftZone="1918|3"> save</SPAN><SPAN space="0| " rightZone="95|6" leftZone="1921|6"> some</SPAN><SPAN space="0| " rightZone="101|3" leftZone="1927|3"> money</SPAN><SPAN space="1|&#10;" rightZone="110|3" leftZone="1936|3">.</SPAN></P>
<P src="2)上电会叫"><SPAN space rightZone="0|4" leftZone="1941|4">2)</SPAN><SPAN space="0| " rightZone="7|6" leftZone="1948|6"> will be</SPAN><SPAN space="0| " rightZone="13|3" leftZone="1954|3"> called</SPAN><SPAN space="1|&#10;" rightZone="4|3" leftZone="1945|3">.</SPAN></P>
<P src="  1,设定开关是否放于“开始”状态。"><SPAN space rightZone="2|1" leftZone="1961|1">In 1</SPAN><SPAN space rightZone="3|3" leftZone="1962|3">,</SPAN><SPAN space="0| " rightZone="6|12" leftZone="1965|12"> a setting switch</SPAN><SPAN space="0| " rightZone="18|12" leftZone="1977|12"> is placed in the</SPAN><SPAN space rightZone="30|3" leftZone="1989|3">"</SPAN><SPAN space="0| " rightZone="33|6" leftZone="1992|6"> start</SPAN><SPAN space rightZone="39|9" leftZone="1998|9">"</SPAN><SPAN space="1|&#10;" rightZone="48|3" leftZone="2007|3">.</SPAN></P>
<P src="  2,如开关放于“开始”位置还一直叫的话,那么可能是光电耦合管有问题。"><SPAN space rightZone="2|1" leftZone="2014|1">2</SPAN><SPAN space rightZone="3|3" leftZone="2015|3">,</SPAN><SPAN space="0| " rightZone="6|9" leftZone="2018|9"> such as a switch</SPAN><SPAN space="0| " rightZone="15|6" leftZone="2027|6"> on the</SPAN><SPAN space rightZone="21|3" leftZone="2033|3">"</SPAN><SPAN space="0| " rightZone="24|6" leftZone="2036|6"> start</SPAN><SPAN space rightZone="30|3" leftZone="2042|3">"</SPAN><SPAN space="0| " rightZone="33|6" leftZone="2045|6"> position</SPAN><SPAN space="0| " rightZone="39|12" leftZone="2051|12"> have called</SPAN><SPAN space="0| " rightZone="51|9" leftZone="2063|9"> it,</SPAN><SPAN space="0| " rightZone="60|15" leftZone="2072|15"> then it is likely that</SPAN><SPAN space="0| " rightZone="75|12" leftZone="2087|12"> photoelectric coupling</SPAN><SPAN space="0| " rightZone="87|12" leftZone="2099|12"> pipe problems</SPAN><SPAN space="1|&#10;" rightZone="99|3" leftZone="2111|3">.</SPAN></P>
<P src="用万用表测量LD3,LD4,LD7(即黑色)管的两端电压,电压范围应在0.1-0.4V为正常,如果大于0.4V以上,那么可能是反光片(即光电管指向的透明片)脏了,将其擦干净后再重新测量,如果还高于0.4V,则用红,黑表笔测量LD1,LD2,LD5各管两端的电位差,其电位差应为1V左右,如测量结果正常,那么说明为黑色管子损坏。将其换掉重新测量即可。"><SPAN space rightZone="0|18" leftZone="2116|18">The multimeter is used to measure</SPAN><SPAN space="0| " rightZone="18|3" leftZone="2134|3"> LD3</SPAN><SPAN space rightZone="21|3" leftZone="2137|3">,</SPAN><SPAN space="0| " rightZone="24|3" leftZone="2140|3"> LD4</SPAN><SPAN space rightZone="27|3" leftZone="2143|3">,</SPAN><SPAN space="0| " rightZone="30|3" leftZone="2146|3"> LD7</SPAN><SPAN space="0| " rightZone="33|3" leftZone="2149|3"> (</SPAN><SPAN space="0| " rightZone="36|9" leftZone="2152|9"> black</SPAN><SPAN space="0| " rightZone="45|3" leftZone="2161|3"> )</SPAN><SPAN space="0| " rightZone="48|12" leftZone="2164|12"> to the ends of the tube</SPAN><SPAN space="0| " rightZone="60|6" leftZone="2176|6"> voltage</SPAN><SPAN space rightZone="66|3" leftZone="2182|3">,</SPAN><SPAN space="0| " rightZone="69|12" leftZone="2185|12"> voltage range</SPAN><SPAN space="0| " rightZone="81|6" leftZone="2197|6"> should be in</SPAN><SPAN space="0| " rightZone="87|11" leftZone="2203|11"> 0.1-0.4V is</SPAN><SPAN space="0| " rightZone="98|6" leftZone="2214|6"> normal</SPAN><SPAN space rightZone="104|1" leftZone="2220|1">,</SPAN><SPAN space="0| " rightZone="105|6" leftZone="2221|6"> if the</SPAN><SPAN space="0| " rightZone="111|16" leftZone="2227|16"> above 0.4V</SPAN><SPAN space rightZone="127|1" leftZone="2243|1">,</SPAN><SPAN space="0| " rightZone="128|6" leftZone="2244|6"> so</SPAN><SPAN space="0| " rightZone="134|9" leftZone="2250|9"> may be a</SPAN><SPAN space="0| " rightZone="143|9" leftZone="2259|9"> reflective film</SPAN><SPAN space="0| " rightZone="152|7" leftZone="2268|7"> (i.e. light</SPAN><SPAN space="0| " rightZone="159|6" leftZone="2275|6"> tube</SPAN><SPAN space="0| " rightZone="165|9" leftZone="2281|9"> pointing to the</SPAN><SPAN space="0| " rightZone="174|9" leftZone="2290|9"> transparent sheet</SPAN><SPAN space="0| " rightZone="183|1" leftZone="2299|1"> )</SPAN><SPAN space="0| " rightZone="184|6" leftZone="2300|6"> is dirty</SPAN><SPAN space rightZone="190|1" leftZone="2306|1">,</SPAN><SPAN space="0| " rightZone="197|9" leftZone="2313|9"> clean</SPAN><SPAN space="0| " rightZone="191|6" leftZone="2307|6"> it</SPAN><SPAN space="0| " rightZone="206|12" leftZone="2322|12"> again</SPAN><SPAN space="0| " rightZone="225|6" leftZone="2341|6"> if the</SPAN><SPAN space="0| " rightZone="218|6" leftZone="2334|6"> measurement</SPAN><SPAN space rightZone="224|1" leftZone="2340|1">,</SPAN><SPAN space="0| " rightZone="231|9" leftZone="2347|9"> is also higher than that of</SPAN><SPAN space="0| " rightZone="240|4" leftZone="2356|4"> 0.4V</SPAN><SPAN space rightZone="244|3" leftZone="2360|3">,</SPAN><SPAN space="0| " rightZone="247|3" leftZone="2363|3"> then the</SPAN><SPAN space="0| " rightZone="250|6" leftZone="2366|6"> red</SPAN><SPAN space rightZone="256|1" leftZone="2372|1">,</SPAN><SPAN space="0| " rightZone="257|3" leftZone="2373|3"> black</SPAN><SPAN space="0| " rightZone="260|6" leftZone="2376|6"> pen</SPAN><SPAN space="0| " rightZone="266|9" leftZone="2382|9"> measurements of LD1</SPAN><SPAN space rightZone="275|1" leftZone="2391|1">,</SPAN><SPAN space="0| " rightZone="276|3" leftZone="2392|3"> LD2</SPAN><SPAN space rightZone="279|1" leftZone="2395|1">,</SPAN><SPAN space="0| " rightZone="280|3" leftZone="2396|3"> LD5</SPAN><SPAN space="0| " rightZone="283|3" leftZone="2399|3"> all the</SPAN><SPAN space="0| " rightZone="286|12" leftZone="2402|12"> ends of the tube</SPAN><SPAN space="0| " rightZone="298|9" leftZone="2414|9"> potential difference</SPAN><SPAN space rightZone="307|1" leftZone="2423|1">,</SPAN><SPAN space="0| " rightZone="308|3" leftZone="2424|3"> the</SPAN><SPAN space="0| " rightZone="311|6" leftZone="2427|6"> potential</SPAN><SPAN space="0| " rightZone="317|6" leftZone="2433|6"> difference</SPAN><SPAN space="0| " rightZone="323|11" leftZone="2439|11"> is about 1V</SPAN><SPAN space rightZone="334|1" leftZone="2450|1">,</SPAN><SPAN space="0| " rightZone="335|9" leftZone="2451|9"> such as the measurement</SPAN><SPAN space="0| " rightZone="344|12" leftZone="2460|12"> results of normal</SPAN><SPAN space rightZone="356|1" leftZone="2472|1">,</SPAN><SPAN space="0| " rightZone="357|12" leftZone="2473|12"> so that</SPAN><SPAN space="0| " rightZone="369|3" leftZone="2485|3"> as the</SPAN><SPAN space="0| " rightZone="372|6" leftZone="2488|6"> black</SPAN><SPAN space="0| " rightZone="378|12" leftZone="2494|12"> tube damage</SPAN><SPAN space rightZone="390|3" leftZone="2506|3">.</SPAN><SPAN space="0| " rightZone="393|3" leftZone="2509|3"> Will</SPAN><SPAN space="0| " rightZone="396|9" leftZone="2512|9"> change</SPAN><SPAN space="0| " rightZone="405|6" leftZone="2521|6"> to</SPAN><SPAN space="0| " rightZone="411|12" leftZone="2527|12"> be measured</SPAN><SPAN space="1|&#10;" rightZone="423|3" leftZone="2539|3">.</SPAN></P>
<P src="3)吃币不发送信号或发送错误信号"><SPAN space rightZone="0|4" leftZone="2544|4">3)</SPAN><SPAN space="0| " rightZone="4|6" leftZone="2548|6"> eat coins</SPAN><SPAN space="0| " rightZone="10|15" leftZone="2554|15"> do not send a signal</SPAN><SPAN space="0| " rightZone="25|3" leftZone="2569|3"> or</SPAN><SPAN space="0| " rightZone="28|12" leftZone="2572|12"> send the wrong</SPAN><SPAN space="0| ,1|&#10;" rightZone="40|6" leftZone="2584|6"> signal</SPAN></P>
<P src="  1,快/中/慢开关是否置于合适机台接收状态,如不合适则会有发送错误信号。"><SPAN space rightZone="2|1" leftZone="2594|1">1</SPAN><SPAN space rightZone="3|3" leftZone="2595|3">,</SPAN><SPAN space="0| " rightZone="6|4" leftZone="2598|4"> fast /</SPAN><SPAN space="0| " rightZone="14|3" leftZone="2606|3"> slow</SPAN><SPAN space="0| " rightZone="17|12" leftZone="2609|12"> switch is</SPAN><SPAN space="0| " rightZone="29|12" leftZone="2621|12"> placed in a suitable</SPAN><SPAN space="0| " rightZone="10|4" leftZone="2602|4"> medium</SPAN><SPAN space="0| " rightZone="41|12" leftZone="2633|12"> machine receives the</SPAN><SPAN space="0| " rightZone="53|6" leftZone="2645|6"> state</SPAN><SPAN space rightZone="59|3" leftZone="2651|3">,</SPAN><SPAN space="0| " rightZone="62|3" leftZone="2654|3"> such as</SPAN><SPAN space="0| " rightZone="65|9" leftZone="2657|9"> improper</SPAN><SPAN space="0| " rightZone="74|9" leftZone="2666|9"> will</SPAN><SPAN space="0| " rightZone="83|12" leftZone="2675|12"> send error</SPAN><SPAN space="0| " rightZone="95|6" leftZone="2687|6"> signal</SPAN><SPAN space="1|&#10;" rightZone="101|3" leftZone="2693|3">.</SPAN></P>
<P src="  2,常开/常闭开关是否拔错位置。"><SPAN space rightZone="2|1" leftZone="2700|1">2</SPAN><SPAN space rightZone="3|3" leftZone="2701|3">,</SPAN><SPAN space="0| " rightZone="6|10" leftZone="2704|10"> normally open / normally</SPAN><SPAN space="0| " rightZone="16|9" leftZone="2714|9"> closed switch</SPAN><SPAN space="0| " rightZone="25|6" leftZone="2723|6"> if</SPAN><SPAN space="0| " rightZone="31|6" leftZone="2729|6"> the wrong</SPAN><SPAN space="0| " rightZone="37|6" leftZone="2735|6"> position</SPAN><SPAN space="1|&#10;" rightZone="43|3" leftZone="2741|3">.</SPAN></P>
<P src="3,Q3三极管是否损坏。"><SPAN space rightZone="0|1" leftZone="2746|1">In 3</SPAN><SPAN space rightZone="1|3" leftZone="2747|3">,</SPAN><SPAN space="0| " rightZone="4|5" leftZone="2750|5"> Q3 three</SPAN><SPAN space="0| " rightZone="9|6" leftZone="2755|6"> transistor</SPAN><SPAN space="0| " rightZone="15|12" leftZone="2761|12"> is damaged</SPAN><SPAN space="1|&#10;" rightZone="27|3" leftZone="2773|3">.</SPAN></P>
<P src="4)吃币会叫"><SPAN space rightZone="0|4" leftZone="2778|4">4)</SPAN><SPAN space="0| " rightZone="4|6" leftZone="2782|6"> eat coins</SPAN><SPAN space="0| ,1|&#10;" rightZone="10|6" leftZone="2788|6"> will call</SPAN></P>
<P src="  1,光电管LD7是否正常。"><SPAN space rightZone="2|1" leftZone="2798|1">In 1</SPAN><SPAN space rightZone="3|3" leftZone="2799|3">,</SPAN><SPAN space="0| " rightZone="6|9" leftZone="2802|9"> a photoelectric tube</SPAN><SPAN space="0| " rightZone="15|3" leftZone="2811|3"> LD7</SPAN><SPAN space="0| " rightZone="18|12" leftZone="2814|12"> is normal</SPAN><SPAN space="1|&#10;" rightZone="30|3" leftZone="2826|3">.</SPAN></P>
<P src="  2,币道底部(即LD7)光耦处,是否有杂物或干涉影响币滚的速度。"><SPAN space rightZone="2|1" leftZone="2833|1">In 2</SPAN><SPAN space rightZone="3|3" leftZone="2834|3">,</SPAN><SPAN space="0| " rightZone="6|6" leftZone="2837|6"> the coin chute</SPAN><SPAN space="0| " rightZone="12|6" leftZone="2843|6"> bottom</SPAN><SPAN space="0| " rightZone="18|9" leftZone="2849|9"> (LD7</SPAN><SPAN space="0| " rightZone="27|3" leftZone="2858|3"> )</SPAN><SPAN space="0| " rightZone="30|6" leftZone="2861|6"> light</SPAN><SPAN space rightZone="36|6" leftZone="2867|6">,</SPAN><SPAN space="0| " rightZone="42|15" leftZone="2873|15"> if there is debris</SPAN><SPAN space="0| " rightZone="57|3" leftZone="2888|3"> or</SPAN><SPAN space="0| " rightZone="60|12" leftZone="2891|12"> interference affects the</SPAN><SPAN space="0| " rightZone="72|3" leftZone="2903|3"> money</SPAN><SPAN space="0| " rightZone="75|3" leftZone="2906|3"> rolling</SPAN><SPAN space="0| " rightZone="78|9" leftZone="2909|9"> speed</SPAN><SPAN space="1|&#10;" rightZone="87|3" leftZone="2918|3">.</SPAN></P>
<P src="5)电磁铁一直跳或是一直拉住"><SPAN space rightZone="0|4" leftZone="2923|4">5)</SPAN><SPAN space="0| " rightZone="4|9" leftZone="2927|9"> the electromagnet</SPAN><SPAN space="0| " rightZone="13|9" leftZone="2936|9"> has been jumping</SPAN><SPAN space="0| " rightZone="22|6" leftZone="2945|6"> or</SPAN><SPAN space="0| " rightZone="28|6" leftZone="2951|6"> has been</SPAN><SPAN space="0| ,1|&#10;" rightZone="34|6" leftZone="2957|6"> pulled</SPAN></P>
<P src="  1,刚上电时,电磁铁一直跳个不停,由于电磁铁保护二管虚焊了。"><SPAN space rightZone="2|1" leftZone="2967|1">In 1</SPAN><SPAN space rightZone="3|3" leftZone="2968|3">,</SPAN><SPAN space="0| " rightZone="6|6" leftZone="2971|6"> just</SPAN><SPAN space="0| " rightZone="15|3" leftZone="2980|3"> when the</SPAN><SPAN space="0| " rightZone="21|9" leftZone="2986|9"> electromagnet</SPAN><SPAN space="0| " rightZone="30|6" leftZone="2995|6"> has</SPAN><SPAN space="0| " rightZone="12|3" leftZone="2977|3"> electricity</SPAN><SPAN space rightZone="18|3" leftZone="2983|3">,</SPAN><SPAN space="0| " rightZone="36|15" leftZone="3001|15"> beating,</SPAN><SPAN space="0| " rightZone="51|15" leftZone="3016|15"> as the electromagnet</SPAN><SPAN space="0| " rightZone="66|6" leftZone="3031|6"> protecting</SPAN><SPAN space="0| " rightZone="72|3" leftZone="3037|3"> two</SPAN><SPAN space="0| " rightZone="75|3" leftZone="3040|3"> pipe</SPAN><SPAN space="0| " rightZone="78|6" leftZone="3043|6"> weld</SPAN><SPAN space="1|&#10;" rightZone="87|3" leftZone="3052|3">.</SPAN></P>
<P src="  2,电磁铁一直拉住(即一直为吃币状态)那么是由于Q2三极管击穿了。"><SPAN space rightZone="2|1" leftZone="3059|1">In 2</SPAN><SPAN space rightZone="3|3" leftZone="3060|3">,</SPAN><SPAN space="0| " rightZone="6|9" leftZone="3063|9"> the electromagnet</SPAN><SPAN space="0| " rightZone="15|6" leftZone="3072|6"> has</SPAN><SPAN space="0| " rightZone="21|6" leftZone="3078|6"> pull</SPAN><SPAN space="0| " rightZone="27|6" leftZone="3084|6"> (i.e.,</SPAN><SPAN space="0| " rightZone="33|9" leftZone="3090|9"> always</SPAN><SPAN space="0| " rightZone="42|6" leftZone="3099|6"> eat coins</SPAN><SPAN space="0| " rightZone="48|6" leftZone="3105|6"> state</SPAN><SPAN space="0| " rightZone="54|3" leftZone="3111|3"> )</SPAN><SPAN space="0| " rightZone="57|6" leftZone="3114|6"> that</SPAN><SPAN space="0| " rightZone="63|9" leftZone="3120|9"> is due to</SPAN><SPAN space="0| " rightZone="72|5" leftZone="3129|5"> Q2 three</SPAN><SPAN space="0| " rightZone="77|12" leftZone="3134|12"> diode breakdown</SPAN><SPAN space="1|&#10;" rightZone="92|3" leftZone="3149|3">.</SPAN></P>
<P src="注:二极管的测量方式为,先将万用表调至二极管档,用黑表笔接二极管有标注的一端(二极管的标极性标注通常为一个白色环或是黑色环),红表笔接另一端,此时万用表应显示(.500-.700)之间为正常。"><SPAN space rightZone="0|15" leftZone="3154|15">Note: the diode</SPAN><SPAN space="0| " rightZone="15|15" leftZone="3169|15"> measurement mode</SPAN><SPAN space rightZone="30|6" leftZone="3184|6">,</SPAN><SPAN space="0| " rightZone="36|6" leftZone="3190|6"> the</SPAN><SPAN space="0| " rightZone="42|9" leftZone="3196|9"> multimeter</SPAN><SPAN space="0| " rightZone="51|6" leftZone="3205|6"> to</SPAN><SPAN space="0| " rightZone="57|9" leftZone="3211|9"> diode</SPAN><SPAN space="0| " rightZone="66|3" leftZone="3220|3"> file</SPAN><SPAN space rightZone="69|3" leftZone="3223|3">,</SPAN><SPAN space="0| " rightZone="72|3" leftZone="3226|3"> with the</SPAN><SPAN space="0| " rightZone="75|12" leftZone="3229|12"> black table document connected</SPAN><SPAN space="0| " rightZone="87|9" leftZone="3241|9"> diode</SPAN><SPAN space="0| " rightZone="96|12" leftZone="3250|12"> marked</SPAN><SPAN space="0| " rightZone="108|6" leftZone="3262|6"> end</SPAN><SPAN space="0| " rightZone="114|3" leftZone="3268|3"> (</SPAN><SPAN space="0| " rightZone="117|12" leftZone="3271|12"> diode</SPAN><SPAN space="0| " rightZone="129|3" leftZone="3283|3"> standard</SPAN><SPAN space="0| " rightZone="132|6" leftZone="3286|6"> polarity</SPAN><SPAN space="0| " rightZone="138|6" leftZone="3292|6"> annotation</SPAN><SPAN space="0| " rightZone="144|9" leftZone="3298|9"> is usually</SPAN><SPAN space="0| " rightZone="153|12" leftZone="3307|12"> a white</SPAN><SPAN space="0| " rightZone="168|6" leftZone="3322|6"> or</SPAN><SPAN space="0| " rightZone="174|6" leftZone="3328|6"> black</SPAN><SPAN space="0| " rightZone="165|3" leftZone="3319|3"> ring</SPAN><SPAN space="0| " rightZone="180|3" leftZone="3334|3"> ring</SPAN><SPAN space="0| " rightZone="183|3" leftZone="3337|3"> )</SPAN><SPAN space rightZone="186|3" leftZone="3340|3">,</SPAN><SPAN space="0| " rightZone="189|9" leftZone="3343|9"> the red pen</SPAN><SPAN space="0| " rightZone="198|6" leftZone="3352|6"> is connected with the other</SPAN><SPAN space="0| " rightZone="204|6" leftZone="3358|6"> end</SPAN><SPAN space rightZone="210|3" leftZone="3364|3">,</SPAN><SPAN space="0| " rightZone="213|6" leftZone="3367|6"> the</SPAN><SPAN space="0| " rightZone="219|9" leftZone="3373|9"> multimeter</SPAN><SPAN space="0| " rightZone="228|9" leftZone="3382|9"> should display</SPAN><SPAN space="0| " rightZone="237|3" leftZone="3391|3"> (</SPAN><SPAN space="0| " rightZone="240|9" leftZone="3394|9"> 500-.700</SPAN><SPAN space="0| " rightZone="249|3" leftZone="3403|3"> )</SPAN><SPAN space="0| " rightZone="252|15" leftZone="3406|15"> for the normal</SPAN><SPAN space="1|&#10;" rightZone="267|3" leftZone="3421|3">.</SPAN></P>
<P src="三极管的测量方式为,Q1,Q2,Q3,Q4,Q5的测量为先将万用表调至二极管档,用红表笔接三极管的第三脚,用黑表笔测量第一,二脚,此时万用表应显示(.500-.700)之间为正常"><SPAN space rightZone="0|3" leftZone="3426|3">The three</SPAN><SPAN space="0| " rightZone="3|6" leftZone="3429|6"> transistor</SPAN><SPAN space="0| " rightZone="9|15" leftZone="3435|15"> measurement</SPAN><SPAN space rightZone="24|6" leftZone="3450|6">,</SPAN><SPAN space="0| " rightZone="30|2" leftZone="3456|2"> Q1</SPAN><SPAN space rightZone="32|3" leftZone="3458|3">,</SPAN><SPAN space="0| " rightZone="35|2" leftZone="3461|2"> Q2</SPAN><SPAN space rightZone="37|3" leftZone="3463|3">,</SPAN><SPAN space="0| " rightZone="40|2" leftZone="3466|2"> Q3</SPAN><SPAN space rightZone="42|3" leftZone="3468|3">,</SPAN><SPAN space="0| " rightZone="45|2" leftZone="3471|2"> Q4</SPAN><SPAN space rightZone="47|3" leftZone="3473|3">,</SPAN><SPAN space="0| " rightZone="50|11" leftZone="3476|11"> Q5 measurement</SPAN><SPAN space="0| " rightZone="61|3" leftZone="3487|3"> for</SPAN><SPAN space="0| " rightZone="64|6" leftZone="3490|6"> the</SPAN><SPAN space="0| " rightZone="70|9" leftZone="3496|9"> multimeter</SPAN><SPAN space="0| " rightZone="79|6" leftZone="3505|6"> to</SPAN><SPAN space="0| " rightZone="85|9" leftZone="3511|9"> diode</SPAN><SPAN space="0| " rightZone="94|3" leftZone="3520|3"> file</SPAN><SPAN space rightZone="97|3" leftZone="3523|3">,</SPAN><SPAN space="0| " rightZone="100|6" leftZone="3526|6"> red</SPAN><SPAN space="0| " rightZone="106|9" leftZone="3532|9"> table document connected</SPAN><SPAN space="0| " rightZone="115|3" leftZone="3541|3"> three</SPAN><SPAN space rightZone="118|9" leftZone="3544|9">.</SPAN><SPAN space="0| " rightZone="127|9" leftZone="3553|9"> Third</SPAN><SPAN space rightZone="136|3" leftZone="3562|3">,</SPAN><SPAN space="0| " rightZone="139|6" leftZone="3565|6"> with a black</SPAN><SPAN space="0| " rightZone="145|6" leftZone="3571|6"> pen</SPAN><SPAN space="0| " rightZone="151|6" leftZone="3577|6"> measuring</SPAN><SPAN space="0| " rightZone="166|3" leftZone="3592|3"> two</SPAN><SPAN space="0| " rightZone="169|3" leftZone="3595|3"> feet</SPAN><SPAN space rightZone="172|3" leftZone="3598|3">,</SPAN><SPAN space="0| " rightZone="175|6" leftZone="3601|6"> at</SPAN><SPAN space="0| " rightZone="157|6" leftZone="3583|6"> first</SPAN><SPAN space rightZone="163|3" leftZone="3589|3">,</SPAN><SPAN space="0| " rightZone="181|9" leftZone="3607|9"> multimeter</SPAN><SPAN space="0| " rightZone="190|9" leftZone="3616|9"> should display</SPAN><SPAN space="0| " rightZone="199|3" leftZone="3625|3"> (</SPAN><SPAN space="0| " rightZone="202|9" leftZone="3628|9"> 500-.700</SPAN><SPAN space="0| " rightZone="211|3" leftZone="3637|3"> )</SPAN><SPAN space="0| ,1|&#10;" rightZone="214|15" leftZone="3640|15"> for the normal</SPAN></P></DIV></SPAN></DIV>