HTC Andes, PDA PHONE II service manual Appendix, Customer, Retailer Misjudgment

Page 73

34. Earphone

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35.

36.

16. Appendix

A. Customer, Retailer Misjudgment

Before attempt repairing the unit, make sure the type of reported failure could be clearly reproduced; otherwise, check with the customer or distributor once again to identify the problem correctly.

The following are failure symptoms that are typical by misjudgment

No.	Item	Possibility

1	No Power even the	Main Battery low power exhausted.
	power button is pressed
	power button is pressed	While Back Light is turned OFF, the surrounding lighting will be
		reflected on the panel and in a dim location, it looks like the unit is
		turned OFF.

		According to the Power Management settings, the units will be
		switched OFF automatically.

2	Battery discharges	The battery life depends on the devices being used in SD Card
	quickly	Slot, and frequency of use of the Back light. These functions
		consume a lot of energy.

HTC confidential

© 2001, HTC Corporation. All rights reserved.

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Contents For PDA Phone Andes APP´D Table of contents 4END Contains IntroductionGSM/GPRS Functional Block Specification of AC Adapter400MHz GPRS/GSMTotal 77 CONT.ON page no Total 77 CONT.ON page no TTE System Block Diagram Labeling Main unit Regulatory label on the rear housing of main unit01 ~ Label exampleTBD Servicing Tools PDA Phone Assembling and DisassemblingTotal 77 CONT.ON page no Total 77 CONT.ON page no Total 77 CONT.ON page no Use tweezers to remove the Vibrator 72H00401-00 Total 77 CONT.ON page no Gasket on shielding cover MB Pre-assembly72H00411-00 Black poron of Send/End buttonPN of this poron is 76H00483-00 Black poron for volume buttonTotal 77 CONT.ON page no Total 77 CONT.ON page no 72H00339-00 Antenna AssemblyN72H00338-00 FIX Antenna Cover Warranty Seal Security Label77H00083-00 Test Camera Replacement assemby Pad Connector, Back up battery replacementList of Test Jigs Problem DiagnosticsClean Talk Time Diagnostic ProgramStop on fail How to select test itemChecksum Refurbishment Total 77 CONT.ON page no To Main battery To PC Com Port Voltage 2.5 Criteria for Eeprom Block 1 Status B1. Requirement B2. ProcedureCriteria on running Run Down Test Program Capacity ≧ 50 %Fixture requirement Current consumption measurementReady for testing Unit is turn off and no display Bright dots Single dotsSingle Dark dotsAll allowable defect dots Or lints Power Off statusForeign Scratch Scratch, Object11.1RF Test Requirement 11.RFRF Antenna Spec RF Antenna Test SpecGSM 900 Transmitter Test DCS 1800 Receiver Test OS Upgrade and GSM code Upgrade Execute RUU Next Total 77 CONT.ON page no Done Execute MTTY.exe and set into USB Port Following is the complete procedure for SD reflashSerial V1.02 Following display will be shown on PC display … Then press ENTER, following display will be shown 100% Checksum is OK HTC confidential SD Download Sections=3 Press Power To Flash…… Once it is Done, display will show Classification of Non-Conformity －Ａ．Touch Panel Does Not Respond to Screen Tap Troubleshooting & Repair－B．Buttons Do Not Respond －A．SD Card cannot be used －A．Data Retention related problem －B．Battery discharges quickly even after fully charged －A．No Recorded Sound or Distorted sound Exploded Diagrams & Spare part list Spare part list Spare Part List with Picture 72H00339-00 75H00313-00 Customer, Retailer Misjudgment AppendixHTC confidential FTP Repair Troubleshooting Guide Flow Total 77 CONT.ON. F page no