HTC PDA PHONE II, Andes service manual Voltage 2.5

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Voltage > 2.5 V

Voltage should Exceed 2.5 V

-4. Current measurement .

Measured value should be within the range:-3.125 ~ +3.125 V.

1.Current mesurement

It should have the value within + 3.125~ -3.125 mAh

2.If value incorrect, need to Click “Calibrate Offset “ button first for double confirmation.

The value will be calibrated automatically. (it may takes about 15~ 20 seconds)

5- CC and DC status Check

Both Pin should be in LOW , otherwise it is judged as defective.

Following table is the criteria for Voltage and current status:

ITEM	Description	Measurement status
1	Battery VOLTAGE	Voltage should be 2.5 V Above. If the voltage is under 2.5, it
		means that the battery is over discharged and defective.
2*	Battery Current	Current should be between –3.125 ~ + 3.125 mAH

HTC confidential

© 2001, HTC Corporation. All rights reserved.

TOTAL 77 CONT.ON. 39 PAGE NO. 38

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Contents For PDA Phone Andes APP´D Table of contents 4END Introduction ContainsSpecification of AC Adapter GSM/GPRS Functional BlockGPRS/GSM 400MHzTotal 77 CONT.ON page no Total 77 CONT.ON page no TTE System Block Diagram Main unit Regulatory label on the rear housing of main unit LabelingTBD Label example01 ~ Servicing Tools Assembling and Disassembling PDA PhoneTotal 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 72H00411-00 MB Pre-assemblyGasket on shielding cover Black poron of Send/End buttonBlack poron for volume button PN of this poron is 76H00483-00Total 77 CONT.ON page no Total 77 CONT.ON page no N72H00338-00 Antenna Assembly72H00339-00 77H00083-00 Warranty Seal Security LabelFIX Antenna Cover Test Camera Replacement assemby Connector, Back up battery replacement PadProblem Diagnostics List of Test JigsDiagnostic Program Clean Talk TimeHow to select test item Stop on failChecksum Refurbishment Total 77 CONT.ON page no To Main battery To PC Com Port Voltage 2.5 Criteria for Eeprom Block 1 Status Criteria on running Run Down Test Program B2. ProcedureB1. Requirement Capacity ≧ 50 %Current consumption measurement Fixture requirementReady for testing Unit is turn off and no display Single Single dotsBright dots Dark dotsForeign Scratch Or lints Power Off statusAll allowable defect dots Scratch, Object11.RF 11.1RF Test RequirementGSM 900 Transmitter Test RF Antenna Test SpecRF Antenna Spec DCS 1800 Receiver Test OS Upgrade and GSM code Upgrade Execute RUU Next Total 77 CONT.ON page no Done Following is the complete procedure for SD reflash Execute MTTY.exe and set into USB PortSerial 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 Troubleshooting & Repair －Ａ．Touch Panel Does Not Respond to Screen Tap－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 Appendix Customer, Retailer MisjudgmentHTC confidential FTP Repair Troubleshooting Guide Flow Total 77 CONT.ON. F page no