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-1-版本更改记录目录1目标················································································································································32注意事项········································································································································33一般性描述····································································································································33.1产品概述····································································································································33.2产品性能指标要求····················································································································33.3主要装配器件····························································································································53.4手机器件分解图························································································································63.5手机拆装图································································································································7S/NRevDescriptionofChangeOriginatorCheckApprovalECONO.1A初次发放2345678-2-4PCBA器件外观·····························································································································85主要输出电源·······························································································································116.电路原理与维修··························································································································146.1接收电路原理·························································································································146.2接收电路故障维修·················································································································176.3发射电路的原理····························································································