EC Management procedure

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EC Management Procedure
Revision:1.0
Originator:Max Lu
Approved By: Nitesh Approvals:
Modification History:
1.目的Purpose
规范工程变更流程,使工程变更过程可控并系统化进行。

Define EC procedure; ensure the EC process under controlling and systematic running
2.范围Scope
本文件适用于量产过程中所有变更,包括ZEN提出的工程变更以及供应商内部的变更,变更形式包括但不限于以下类型:
The doc is proper for all kinds of EC on MP, include the EC from ZEN or supplier. The EC include but not limit to below types:
1)ZEN提出的设计需求变更;
The design EC from ZEN side
2)ODM或设计公司为解决质量问题而进行的设计变更;
The design from ODM or design house for solving quality issue
3)物料材质、规格、生产工艺或生产场地的变更;
Material stuff, spec., process or production place changing
4)PCBA和整机生产工艺变更;
PCBA or Handset production process changing
5)PCBA和整机生产场地的变更或新工厂的导入;
PCBA or Handset production place changing or new factory introduction
3.职责Responsibility
ODM/设计公司/EMS/物料供应商:
ODM/Design house/EMS/Material supplier
1)负责提交工程变更申请;
Responsible to submit EC application
2)负责提供工程变更确认所需要的文件、测试报告和样品;
Responsible to submit the doc, test report or samples for EC confirmation
3)负责工程变更的执行;
Responsible to execute EC
PQE
1)负责工程变更申请的接收;
Responsible to get EC application
2)负责组织内部对工程变更申请的评估;
Responsible to organize EC evaluation
3)负责针对工程变更文件、测试报告和样品的确认;
Responsible to confirm the EC doc, test report and samples
EE/ME
1)协助PQE对工程变更申请进行评估;
Support PQE to evaluate EC application
2)针对产品设计等技术范围内的变更,确认工程变更文件、测试报告和样品等
Confirm the EC doc, test report and samples for design EC or technical EC;
4.流程Process
1)工程变更申请EC application
ODM/设计公司/EMS/物料供应商在产生工程变更需求或接受到ZEN提出的工程变更需求后,向ZEN PQE提出工
程变更申请,工程变更申请需详细注明工程变更的原因以及工程变更的描述;
ODM/Design house/EMS/Material supplier get EC requirement from ZEN or has internal EC requirement, it should submit EC application to ZEN PQE, and the EC application should include detailed EC causation and description.
2)工程变更评审EC evaluation
ZEN PQE在接收到工程变更申请后,组织内部进行评估,确定工程变更结果确认所需要的文件、测试报告和样品等,并将评审结果反馈到工程变更申请单位;
Once ZEN PQE get EC application, then organize internal evaluation, confirm the needed doc, test report and sample for confirmation, and feedback the evaluation result to applicant.
3)工程变更确认EC confirmation
工程变更申请单位在接收到工程变更评估后,进行相关的工程变更准备(如需要进行试制,工程变更试制的产品需要进行标识和隔离),完成工程变更准备进行内部评审并提交相关的文件、测试报告和样品到ZEN PQE,PQE 组织ME/EE对工程变更的结果进行确认并将确认结果反馈工程变更申请单位;
Applicant get the EC evaluation result from ZEN then start EC preparation (if it needs trail run, trial run products should be marked and insulated), once finish EC preparation, applicant make internal evaluation and submit doc, test report and samples to ZEN PQE, PQE organize ME/EE to confirm doc, test report and samples, then PQE feedback the final result to applicant.
4)工程变更实施EC execution
工程变更申请单位根据内部的评审结果和ZEN的确认结果进行工程变更的实施。

针对有产品试制的变更,如工程变更确认结果NG,则该变更不可以实施,相关试制产品需要进行返修或报废处理;如工程变更确认结果OK,则试制产品正常出货,同时工程变更申请单位需要提供试制产品的IMEI到ZEN PQE以便进行市场跟踪。

Applicant should combine their internal evaluation result and ZEN’s result and then decide the EC execution. For the EC mentioned trial run, if EC result is NG, the EC can not be executed and trial run products should be repaired or scrapped; if EC result is ok, trial run products can be shipped, same time applicant should provide IMEI of trial run products to ZEN PQE for market tracking.
Note: engineer changing include but not limited on above changing points, any change will affect the handset quality, ID, performance, ODM/supplier need to inform to Zenmobile, EC can be executed only once get approval from Zenmobile.
6.参考文件Reference document
EC application sheet。