SAMSUNG Proprietary-Contents may change without noticeThis Document can not be used without Samsung's authorizationFlow Chart of Troubleshooting9-119-6. Speaker PartUCP200 pin W18, W19> 3.7 VSpeaker does not workDoes not work Voice call ?Resolder UCP200NoYesNoResolder C224 AND R206YesDoes not work Ringtone?Resolder UCP200,NoYesENDYesIs Speaker working?Replace or Change Speaker.NoYes