HTC MDA2 manual

Service Manual for MDA2 HTC Propriet ary Confidential T reatment Requested Rev . 1.0 September 12, 2003 HTC Corp. Engineering Mobility HTC confidential © 2001, HTC Corporation. All rights reserv ed. TOTAL 43 CONT.ON. 2 PAGE NO. 1[...]

TITLE: Service Manual for MDA2 REV. NO. DATE CONTENTS DEP. REVISED APP ’ D STGE.PER. 1.0 Aug 26,2003 TSD HTC confidential © 2001, HTC Corporation. All rights reserv ed. TOTAL 43 CONT.ON. 3 PAGE NO. 2[...]

T able of contents 1. I NTRODUCTION ･･････････････････････････････････････････････････････ ･･････････････････････････････････････････ ････････[...]

1. Introduction This manual provides the technical informati on to support the service activities of the MDA2. This document contains highly confidentia l information, so any or all of this document should not be revealed to any third party. 2. Product Specifications 2.1 Product Configuration Standard Package Item Contain 1 Main Unit 2 USB Cradle 3[...]

Item Specification Platform • Microsoft Pocket PC 2003 phone edition - English, French, German, Italian, Spanish,Portuguese. • Combined GSM/GPRS and PDA. • 2 logical block (PDA and GSM/GPRS) solution, layout is integrated into one module • GSM/GPRS can be turned off to let PDA to run alone Outside Dimensions  69.9mm(W) x 130mm(H) x 19mm [...]

GPRS/GSM (Tri-band) module Antenna Generic GSM Service  GSM900: 880-915, 925-960MHz  DCS1800 1710 ~ 1785,1805 ~ 1880 MHZ  PCS1900 1850 ~ 1910, 1930 ~ 1990MHZ  Internal Antenna  Call forwarding  Explicit Call Transfer  Spool Icon  Wave ring tone download /compose  Long message (640 characters)  SIM LOCK  Network lock[...]

Interface  One Infrared port IrDA SIR  One 22 pin individual Port for signals (for USB, Serial, Car Kit, Power and Audio)  One SIM card slot  One SDIO/MMC card slot (B-Square SDIO driver)  One 34 pin Back pack connector  One Audio Jack (2.5 ψ ) S tylus  Lock type mechanism Keyboard/Button/Switch  One five way navigation but[...]

Audio  Microphone build in  Software Echo cancellation  Receiver  Hardware AGC  Hardware Full duplex  W A V/WMA/MP3 stereo  16 bits with 8KHz,1 1 KHz,16KHz,22KHz,44.1 KHz, 48 KHz sampling rate CMOS Camera  Color CMOS camera module  VGA (480x640) resolution with JPEG encoder  ALC (Auto Light Control)  AWB (Auto White[...]

Accessories  Retractable sync. Cable (USB/Serial)  Cradle (USB, Serial)  AC adapter  Car adapter  S tylus  AC adapter with power plug  Detacheable LCD protector  Car Kit  S tereo wired headset with mono microphone, volume control, Pick up/Hang up the incoming/Outgoing call, Call waiting, conference call, microphone mute. [...]

3.SYSTEM BLOCK DIAGRAM HTC confidential © 2001, HTC Corporation. All rights reserv ed. TOTAL 43 CONT.ON. 11 PAGE NO. 10[...]

3. Servicing Tools This chapter provides information for the servicing tools for MDA2. List of Servicing Tools No. Item Use Remark 1 USB or Serial Cradle Check for Cradle I/F (Serial communication only) 2 USB DA T A interface Cable Check for Cradle I/F (USB communication only) 3 Special Made Plastic Stick Disassembling for 4 SD Memory Card For SD c[...]

5. Assembling and Disassembling 5.1 Disassembling Tools needed for Assembling and Disassembling the MDA2 1. Lens Cleaning Tissue. 2. Flat Screw Driver 2.4mm 3. Philip Screw Driver #0. 4. Torex Screw Driver T6X40 5. Special Made Plastic Stick. 6. Tweezers. Remove the S tylus, SD Card slot Filler , and the Car antenna connector cover . Next, Remove t[...]

Press Unlock and release the battery Remove the battery from unit Wa r n i n g : T o reduce risk of fire or burns, do not disassemble, crush, puncture, short external contacts, or dispose of in fire or water . Replace only with specified batteries. Recycle or dispose of used batteries properly . T o separate the housing , Use the plastic stick to o[...]

There are three hooks which fix the antenna cover and bezel. Insert to the gap and slightly pull upward from right to left to release the hooks. Antenna cover is removed. Remove two screws which fix the antenna to MB. Screw P/N:72H00339-00 Remove 6 screws which fixed the housing and bezel. There are two types of screw Screw 1~4 P/N 72H00338-00 Scre[...]

Gently open the housing T urn over the housing to the other side as shown on picture. Once the housing is removed, next to remove 3 screws which fix the MB into bezel. P/N 72H00401-00 Gently and carefully release the LCM FPC by litting the connector lock upward using your finger or soft plastic tweezers. HTC confidential © 2001, HTC Corporation. A[...]

Then remove the Camera module by slightly releasing its FPC(1) and camera which is sticked with Double side tap on MB (2) T urn MB to the other side and remove the Navigation button by pulling up. Correct position of Navigation button Use tweezers to remove the Vibrator 2 1 HTC confidential © 2001, HTC Corporation. All rights reserv ed. TOTAL 43 C[...]

The LCM, Speaker , MIC is located on upper part (Bezel side). To Disassembly LCM module Hold the entire assembly as seen on the picture , push aside the bezel and push the panel from front side simultaneously . Notice the starting location. Doing this to release the LCM from 4 hooks whi ch located 2 at its right and left respectively. Then, gently [...]

If MIC need to be replaced, just take it out from its place slightly by using tweezers. T ake out the MB and disassembly procedure is done. The disassembly procedure is finished. HTC confidential © 2001, HTC Corporation. All rights reserv ed. TOTAL 43 CONT.ON. 19 PAGE NO. 18[...]

5.2 Assembling Be noticed that if MB need to be replaced, need to apply insulation tape on lower right corner as shown on picture. Insulation tape P/N: 76H00469-00 P/N for this insulation tape : 76H00469-00 On the other side , need to apply 3 gasket on shielding cover . Remember to insert navigation button to its place. Next to paste 2 EA Poron (bl[...]

Next to apply one black poron aside to volume button T otally there are four places at MB need to be applied pre-assembly . Install the MIC into it s place. Before Assemble LCM , be noticed to apply stylus poron on the rear side of LCM Be noticed that the poron should not exceed the edge and interfere to bezel hooks. Insert the LCM starting from lo[...]

Next Push aside the bezel and insert the LCM to click into 2 hooks located on right and left respectively. Assembly the speaker and fix two screws on it. Apply 3 screws on MB Then insert the LCM FPC into the connector , make sure the FPC is fully inserted , then lock it by pressing the cover down. HTC confidential © 2001, HTC Corporation. All righ[...]

HTC confidential © 2001, HTC Corporation. All rights reserv ed. TOTAL 43 CONT.ON. 23 PAGE NO. 22 Next Camera module assembly . 1. Make sure the Aluminium foil is clean and workable. 2. Put the Camera on it. Place the Camera into correct position and fix it. Important Notice: Before inserting the FPC into its connector , use your finger to flat the[...]

Next Close the Rear Housing to upper part st arting from lef t side (with V olume button) TIPS : Adjust the volume button to its center first before full closing the Housing . Antenna Assembly Put the antenna into its place, st arting from upper part, then press and insert it s two ribs correctly to the housing. Then fasten two screws of the antenn[...]

FIX Antenna Cover Put the antenna cover and fix it starting from unit left side (side with volume button) W arranty Seal (Security Label) Be sure to apply new W arranty seal once the unit has been repaired before sending back to customer . In case of MB replacement, since the IMEI has to follow new MB IMEI, repair site is required to re-print Regul[...]

Put back the battery cover . Put back the stylus, SD filler and Car antenna connector cover back into the unit. Now The unit is ready for performing TEST . The Unit Assembly is done ready for further tests. HTC confidential © 2001, HTC Corporation. All rights reserv ed. TOTAL 43 CONT.ON. 26 PAGE NO. 25[...]

6. Problem Diagnostics 6.1. List of Test Jigs Item Name Usage Remark RS-232 Serial Cable/Cradle For data port test USB Cable/Cradle For data port test Special Plastic Tool For unit disassembly AC Adapter For battery recharge and power related tests Earphone with Microphone For audio test SD Card or MMC Card For write protect, read and write test SD[...]

6.2. Classification of Non-Conformity HTC confidential © 2001, HTC Corporation. All rights reserv ed. TOTAL 43 CONT.ON. 28 PAGE NO. 27 Customer , Retailer Mis j ud g ment Ａ ． Batter y Pack does not Start Ａ ． Housin g Cosmetic dama g e １ 0 ． Others Ａ ． N o r eco r ded sou n d o r d i sto r ted sou n d 9 ． Recordin g Ｃ ． Batter[...]

6.3 Troubleshooting & Repair Before attempting to Diagnose the unit received for repair, perform a Full Reset (Cold Boot) in advance. １－Ａ． Main Unit Does Not Respond to Power Button １－Ｂ． Main Unit Does Not Respond to Battery Switch (1) Make sure the Battery is installed properly to activate the battery pack. (2) Connect the AC A[...]

2 － B ． Buttons Do Not Respond (1) Dismantle the unit, check the status of switc hes on the Main Board and the plastic parts of button of the Button not responding. (2) Try with another Main Board or Front Bezel. (3) Replace Main Board or Front Bezel if necessary. (4) Once the defective part has been identified, verify it again with the defecti[...]

(3) Try with another Main Board. (4) Replace Main Board if necessary. (5) Once the defective part has been identified, veri fy it again with the defective part whether the symptom could be duplicated. 5 － A ． PC Connection (USB / Serial) not possible (1) Check whether “Connection Settings” in the MS ActiveSync is properly set. (2) Check whe[...]

6 － A ． Dat a Retention related problem (1) Back up battery is rechargeable, to retention pu rpose when mai n battery power is used up o r when changing the main battery, Make sure to charge the unit if not use for a while. (2) Data introduced by User might be lo st when Battery has drained completely. (3) Ask user to charge the Main Unit when [...]

symptom could be duplicated. . 7 － B ． Battery discharges quickly even af ter fully charged (1) Make sure the Battery Pack takes fully charge with AC Adapter. (2) Check whether the condition of Battery Charging status is correct. (3) Dismantle the unit and check the appearance of Battery Pack. (4) Try with another Battery Pack or Replace Batter[...]

(1) Check “Sound & Notifications” Settings in the unit for Sound Enabling. (2) Make sure it’s not MUTED. (3) Dismantle and Check whether the Microphone is properly installed (check or missing rubber) (4) Replace Microphone if necessary. (5) Replace Main Board if necessary. (6) Once the defective part has been identified, veri fy it again [...]

7. Diagnostic Program 7.1. List of Test Items No. Item Description Remark 1 RAM T est RAM Check Size/Write/Read/Comp arison test. 2 Display T est T est the LCD display quality . 3 T ouch T est T ouch screen alignment test. Suggest to test in WinCE 4 Playback T est Play sound with 8KHz simulation wave. 5 Record T est Record audio sound and playback [...]

Serial V1.01 Then, wait about 10 seconds, the display will show : W aiting for GSM ready Himalaya DIAG v1.00i RAM TEST Display T est --- ---- ---- How to select test item: Using navigation button -" Up " or " Down " to select the test items How to execute the test program: Press “ Action ” to start the test No. Item Descript[...]

3 T ouch T est T ap the cross mark (+) with stylus on the correct location. Fail if no reaction Calibrate the screen following the + mark. Press ACTION to exit. Could be LCM issue 4 Play T es t Play the tone with 8KHz/L-channel, then Hear the sound and notice if bad sound quality happens Could be speaker or M/B issue 5 Record T est Select this item[...]

12 SD T est Insert SD card (Enable Write Protect) and start test. Pull out the SD card if you see the message< “Pluck OK ><Locked > Please remove locked SD . Adjust lock switch to unlock site (Disable W rite Protect), and inse rt it. The program wil l read & write to SD card for test. On ce finished, display will show Please remov[...]

8.1 Exploded Diagrams & Spare part list HTC confidential © 2001, HTC Corporation. All rights reserv ed. TOTAL 43 CONT.ON. 39 PAGE NO. 38[...]

Spare part list Item Description HTC P/N Using Q'ty 1 S peaker , MDA2 36H00177-00 1 2 GSM ANTENNA 36H00158-00 1 3 RECHARGEABLE BA TTERY ,LI-ION polymer ,3.7V ,1200m 35H00020-01 1 4 FRU, Main Board, GER, Phone, T -Mobile, 128 MB (Different Country has different P/N) 99HY0020-00 1 5 CMOS Camera Module 54H00063-00 1 6 LCM, ACX502AKN,SONY 60H0001 [...]

Appendix A. Customer, Retailer Misjudgment Before attempt repairing t he unit, make sure the type of report ed 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 Built-in Battery [...]

Using AC adapter that is NOT supplied with the unit. 3 Battery cannot be charged Charging the battery while operating the unit with heavy loadings could cause the temperature inside the unit to build up which could cause the unit stop charging. At this moment, the LED indicator will flash Y ellow to notify user that the charging has been stopped. O[...]

Software being used sometimes is not fully compatible with the system. Execute many application programs simultaneously 12 Hang up Software that requires big amount of memory spaces or the system memory is low or the files being used is fragmented. 13 System Memory is enough, but is shows insufficient. Software that requires big amount of memory sp[...]

B. Repair Troubleshooting Guide HTC confidential © 2001, HTC Corporation. All rights reserv ed. TOTAL 43 CONT.ON. F PAGE NO. 43[...]