HTC KIWI, H1915, H1920 Service manual

Service Manual

for KIWI/H1915/H1920

HTC Proprietary

Confidential Treatment Requested

Rev. A02

March 12, 2004

HTC Corp.

Engineering Mobility

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HTC Confidential

Add shipping mode and

TITLE: Service Manual

REV.

NO.

AX01

A01

A02

DATE CONTENTS DEP. REVISED

Mar,18

2003

Mar,27

2003

Mar,12

2004

Fist Draft

First Release

backup battery inspection SOP

Technical

Support

Technical

Support

Technical

Support

Vince

Huang

Vince

Huang

Vince

Huang

APP´D

STGE.PER.

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Table of contents

1. INTRODUCTION

2. PRODUCT CONFIGURATION………………………………………………… 4

3. LABLE PLAN

4. ASSEMBLING AND DISASSEMBLING

4.1 DISASSEMBLING

4.2 ASSEMBLING

5. PROBLEM DIAGNOSTICS

5.1 TOOLS REQUIRED

5.2 HOW TO ENTER DIAGNOSTIC

5.3 LIST OF DIAGNOSTICTEST ITEM

5.4 TEST ITEM OPERATION

5.5 SHIPPING MODE

5.6 BACKUP BATTERY INSPECTION

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6. DIAGNOSTICS PROGRAM

6.1 LIST OF TEST JIGS

6.2 TROUBLESHOOTING AND REPAIR

6.3 FAULTY TREE

7. REFLASH PROCEDURE

8. SPARE PARTS LIST

9. MB MAJOR COMPONENT

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1. Introduction

This manual provides the technical information to support the service activities of the KIWI.This

document contains highly confidential information, so any or all of this document should not be

revealed to any third party.

2. Product Configuration

Platform

• Windows CE Merlin OS – English, French, German, Italian, Spanish, Traditional Chinese, Simplified Chinese, Japanese.

• A low cost PDA built with optimized number of key elements

• Dimensions: Main unit

70mm(W) x 113.6mm(L) x 12.7mm (T)

• Weight (Main Unit) ->115g

Processor

• Intel Cotulla 200MHz

Memory

• ROM:

16MB Nand Flash ROM

Boot ROM :4M Bit (Bootloader)

RAM:

64MB SDRAM (46MB user accessible)

LCD Module

• Philip LCD 3.5” , reflective type TFT Color with 6pcs LED back light & 64K colors

• Touch sensitive screen

ASIC

• HTC ASIC 3 (TC222C56)

Stylus

• Around 100 mm

Hardware Buttons/reset button

• One power button

• One recording button

• One soft reset switch

• Four software programmable AP buttons with wake up function

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• One 5-way joy stick

Notification

• One bi-color LED for Event Alarm or PDA charging status

• Notification by Sound and Message on the display

Audio

• Microphone

• Speaker

• One 2.5mm Earphone Jack, with stereo sound

• MP3 stereo (through audio jack)

Power

• Battery

 Rechargeable 900mAH, Lithium Ion battery

 User Swappable Battery

 Battery life: >8 hrs

 Back up battery

 Data retention time: 72 hrs

 Battery fully charge time: 4 hours

• AC Adapter

 AC input: 100~240 Vac, 50/60Hz

 AC input current: 0.2 Aac max.

 Output voltage: 5Vdc (typical)

 Output current: 2A (typical)

 Same as H38XX/H39XX serious

SD Slot

• Support both memory and IO

• Support SD/MMC type standard

Environment

• Operating temp.: 0 ~40 degree C. Humidity : 80% RH

• Storage temp.: -20 ~ 60 degree C. Humidity : 80% RH

Peripheral Interface

• Infrared Port IrDA SIR x 1, Transceiving range: 30cm

• Combo Port for USB and power

• Audio Jack (2.5mm)

• SD slot connector

Accessories

• USB sync. Cable: 22 pins USB connector + DC Jack

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• AC adapter

• Stylus

• Ear plug

Options

• Stylus

• Battery

• USB Cradle (Battery Charger Included) – 22 pins Combo Port

Regulatory

• EMC / EMI: CE, FCC

• Safety: UL

 Main-Battery Charger

 PDA + Sled Slot for Active sync. And Battery Charger

 Rechargeable 900mAH, Lithium Ion battery

 DC-In Jack

 LED Indicator

• Pocket PC Logo

Applications

• Power Management

• Data Backup

• Back Light Control

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3.Label Plan

3.1 iPAQ H1915 Agency Label (on back housing under battery)

HP P/N: 311578-001

HTC P/N: 77H00067-00

Image file: See below

Size: 32.00 mm x 48.30 mm

Barcode Type: Code 39

MFG barcode printing of area: 32 mm x 12mm

3.2 iPAQ H1920 Agency Label

HP P/N: 331579-001

HTC P/N: 77H00068-00

Image file: See below

Size: 32.00 mm x 48.30 mm

Barcode Type: Code 39

MFG barcode printing of area: 32 mm x 12mm

Reserve for MFG barcode printing of area.

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3.3 SKU S/N Format (10 digit format)

S/N: CCSYWWZZZZ

CC: Country of Manufacture

2 capital alpha (A-Z) characters, ISO 3166 Alpha-2 Code list. (Ex: TW=Taiwan)

S: Site Code

1character, pre-assigned by HP (ex: C=HTC TW)

YWW: Date of Manufacture

The date of manufacture is expressed alpha-numerically by year counting from the base year, 2000, and week of

manufacture

ZZZZ: Sequence Number

Alphanumic, Base 31(0 through 9 and B through Z (A, E, I, O and U are disallowed characters), unique identifier that

identifies the exact unit, which was manufactured in the lot, produced within the date of manufacture. This number is the

serialization identifier which is essential to track the shipped, delivered, invoiced, installed, inventoried, repaired and

possibly returned or written off or scrapped, item itself, throughout the life cycle of unit. (ex: An example of a serial

number using all sub-elements above would be: DE=produced in Germany; B-At the HP Boeblingen/Sindelifingen Plant;

2-In the year 2002; 38-Week of September 9; B2H4-For the actual unit per that weekly lot of number 300, 301 (B=10

which gives 10×313=29,7910; 2=2 which gives 2×312=1,922; H=15 which gives 15×311=465; 4=4 which gives 4×

310=4). Therefore this unit is the 300, 30 1st units produced of this product in week 38 of 2002.

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S/N :

P/N :

3.4 Key Component Label Plan (Used for LCM/MB/Battery)

Barcode Serial number requirement (14 digits)

Barcode symbology use Code 128

For S/N: VPPRRYMDZZZZZZ

V: Vendor Code (defined by MFG)

PP: Part Number Code (defined by MFG)

RR: Revision Code

Component revision code RR code

A01 A1

A02 A2

……. …..

AX01 X1

AX02 X2

……. …..

B01 B1

B02 B2

……. …..

Y: Manufacture Year

Lowest one digit of A.D

example: 2002 = 2

M: Manufacture Month

1, 2, 3, …., 9, A, B, C

D: Manufacture Day

1st dight of serial number and represent the DAY

Use base 31 (ex: 1, 2, 3…….., 9, A, B, C……. Z, exclude I, O, Q, U, please note day start from 1)

Z: Remaining 6 digitals of serial number (reset every day)

Use base10 (000001 ~ 999999)

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1

2

m

10mm

3.5 FRU Date Code Label

P/N: 77H30010-10

1 2 3 4 5 6

Digit 1 ,2: Site Code.( t )

Digit 3,4: Year. Manufactured , last 2 digits

Digit 5: Month of production , Jan to Dec(1-9,A-C).

Digit 6: Type of Warranty: ”1”

Date Code Label will apply on following FRU:

1. Main unit.

2. Cradle

Size define by MFG

3.6 Warranty Seal

HTC P/N: 77H00036-00

Dimension: 10.00mm x 12.00mm

Logo: PANTONE 653C

Ink: PANTONE 193C

Warr a nt y vo id

if br o ken .

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1.Push battery cover latch and remove the

the battery cover before take any repair

treat

If the repair activity need to take off the

warranty seal ,it is required to stick the

Latch

Battery

Stylu

Warranty Seal

4.Assembling and Disassembling

4.1 Disassembling

Tools needed for Assembling and Disassembling the KIWI

1. Lens Cleaning Tissue.

2. Philip Screw Driver 000X40.

3. Torex Screw Driver T5X40

4. Special Made Plastic Stick.

1

2 5

3

4

5. Tweezers.

s

Cover

cover.

2.Pull up to release the stylus.

Please check the warranty seal under

activity.

1.Using UV light tool to check fake

warranty seal.(There is light reflection

surround the HP logo)

2.Check If any damage/broken on the

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Agency Label

warranty seal, If damaged please

this kind of case as OOW.

warranty seal back as picture

shows.(above the screw hold)

Push to release the battery and Remove

the screws as picture shown with screw

driver (T5).

Once the 5 screws has been removed

from the Back Housing, Use the Plastic

Tool to open the housing.

Insert and gently twist into the gap at the

between upper and lower case with the

FLAT side of the tool. From the top side

first.

Separate the left side.

Then the right side.

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Switch FPC cable

Microphone wire

LCM FPC cable

1.Remove the screw with Philip screwdriver.

2.Disconnect the microphone wire from the

connector of main BD with tweezers.

3.When disconnecting microphone wire

that the angle must be within 20 degrees to

mating axis.

1.Disconnect the LCM FPC cable from MB

with tweezers.

2. Disconnect the switch FPC cable from MB

with tweezers.

3. Remove the screw with Philip screw driver.

Backup battery wire

1.Disassemble and slipover the MB (180

degree) from the top to the bottom.

Caution! Careless handling could be

damaged the back battery or the connector.

2.Disassemble the MB and disconnect the

backup battery wire.

3.When disconnecting the angle must be

within 20 degrees to mating axis.

1.Take out the speaker with tweezers

2.Disassemble the backup battery from upper

cover.

Backup battery

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Speaker

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Microphone

Unhook the LCM from upper cover on the

both sides, and then take out the LCM from

left to the right.

Disassemble the microphone from upper

cover

The disassembly procedure is finished.

Remove the 4 screws with Philip screwdriver.

Disassemble the upper cover, pre-assy

(74H00157-00) to the parts as below;

77H00158-00Key pad, assy, HB

74H00175-00FPC Pre-assy + speaker

holder

74H00199-00upper cover pre-assy

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4.2 Assembling

Assemble Key pad and FPC cable to upper

cover.

Screw on the 4 screws as picture shown.

Assemble the microphone to the upper cover

with the wire toward upside

Get the backup battery and stick it to the

bottom left corner of upper cover. Route the

wires under the hook.

Hook

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Mylar

Assemble the LCM to the upper cover. When

assembling get the LCM hooked from the

right side then the left side. Note that is not

allowed to pull LCM FPC cable when

getting the LCM.

It’s required to make the Mylar to LCM as

picture show.

Assemble the speaker to the upper cover.

Please note that does not press the springs

otherwise it might cause the poor contact

between speaker and MB. The speaker’s

install location must as picture shows (the

bottom of the spring is on the upside).

76H00339-00(Sponge, MPCB)

76H00340-00(Sponge, Battery Connector)

76H00353-00(Sponge, Speakerholder)

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he connector

and

Connect backup battery wire to the MB connector as well.

2

1

Connect the microphone wire to t

Assemble MB to the front bezel and screw them to the position follow the sequence as pictures shown. Please note that when

assembling, only allow to hold the M/B on the audio jack at upper right corner and the cradle connector at the bottom

and use tape to fix it. Please note that the wire

must be placed under the SD connector

audio jack.

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confirm the correct position first then press

Switch BD FPC cable

M1.6*5.

M1.6*3

1.Connect LCM FPC cable to the connector.

LCM FPC cable

Assemble the bottom cover to the upper

When connecting the FPC cable, must

down.

2.Connect SWB FPC cable to the connector.

Please ensure the white line of SWB

FPC cable must be aligned with

connector as well.

Please note when connecting LCM FPC

cable, please make sure the connector is

installed to the correct position.

cover. Please note the cradle connector at the

bottom fully inserted into the bottom cover

first, then connect other side.

Insert the screws and tight screw as

picture shown.

Assemble the main battery to the bottom

cover.

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Assemble battery cover to the bottom cover.

Put the warranty seal back after finish all the

testing. The correct position as attached

picture.

The Unit Assembly is done ready for further test and outlook inspection.

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5.Diagnostic Program

5.1 Tools required

(1) SD card with Diagnostic program loaded.(provide by HTC)

(2) Mtty1.4 (only need when a unit need to key-in serial number and Country ID)

5.2 How to enter Diagnostic Program

(1) Insert SD card with Diagnostic program loaded to the unit.

(2)Press and hold Power Button+ Reset until HTC copyright display appear, then press action to

perform the HB diagnostic test.

5.3 List of Diagnostic Test Items

No.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

Item Description Remark

Run-In Test

Auto Test

Button Test Test every most of button.

TouchPan Test Touch screen alignment test. Suggest to test in WinCE

Audio Test Record and playback.

Display Test Test the LCD display quality.

Blight&LED Test Blight ON with in different brightness level and LED test.

Upload to SD

SDRAM Test SDRAM Check Size/Write/Read/Comparison test

SD card Test SD card Write/Read/Write Protect test.

SIR Test Test SIR RX/TX communication between two devices.

Checksum Test

USB Test USB test

Asset Viewer Asset data check

Unit run-in test.

All function test for 1 loop

Upload ROM or bootloader to SD card

Verifies the checksum of the code

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5.4 Test Items Operation

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 each of test item.

No.

Run-in Test

1

Auto Test

2

Button Test

3

Touch Test

4

Audio Test

5

Display Test

6

BLight & LED Test

7

Upload to SD

8

SDRAM SD card Write/Read/Write Protect test.

9

SD Card Test

10

Item Description Remark

Runs all test items listed here. To stop the program when end

of every cycle. A cycle is around 65 secs.

Runs all test items listed here for 1 loop.

Press each button to know if it works. Follow up the instruction

shown on the screen to finish the test item Stop on fail.

Tap the cross mark (+) with stylus on the correct location. Fail if

no reaction. If get fail suggest to test again under WinCE for

double check.

Record and Playback Test, must test with the ear plug

Unit prompts for different display page to detect the defect of

LCD, lines or dots. Press eft/up/right/down to carry on/choose

the different mode.

Follow up the instruction shown on the screen to finish the test

item

Upload bootloader or Rom image to SD card

Insert SD card (Enable Write Protect) and start test. Pull out the

SD card if you see the message “ Plugged OK Protected”.

Adjust lock switch to unlock site (Disable Write Protect, and

insert it. Return to test menu if pass.

SIR Test

11

Checksum

12

USB Test

13

Asset viewer Asset data check for SN and country ID

14

Prepare another unit as ‘supporting’ site. On test unit, please

choose ‘Test Target’ and press action button to start test.

Before test, make the IR ports of them face to each other. If get

fail suggest to test again under WinCE for double check.

Verifies the checksum of the code.

Plug USB cable to connect PDA to PC then and check if USB

OK or not.

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ttery into the

Special made battery cover into the

5.5 Shipping Mode (It is required before ship the repaired unit to EU)

Description: * The purpose is to prevent over-discharge of backup battery. * This SA w ill guide you how to perform shipping mode for repaired device

Fixture contain : A. Contact stick.

B. Special made battery cover

A

B

Step 1 : Assemble charged main ba device.

Step 2 : Assemble device.

Step 3 : Set the device to be pow er-on.

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Apply contact stick to the 2 holes of special

off after step 4.

* Press power button, make sure the device

Step 4 :

made battery cover.

Step 5 : *The unit should be power-

can’t power-on.

Step 6 : *Remove the special made battery cover *Replace with the original battery cover. * Ready to ship back to customer.

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unit and check on backup battery

Make sure the main battery is in the unit, and

5 minutes for the

battery to reach to 100% capacity.

In case the returned unit is left unused for a

long time, the power may drain away and the

t power on or backup battery bar is

all empty. As a result of B, the device should

t be charged or 100%

capacity does not reach to 100% in 1 hour), the backup

Replace the M/B if new backup battery still does not

Step 3. Check backup battery function

t turn off the device. (Keep the unit power on

5.6 Backup Battery Inspection

Description:

* HB backup battery is a chargeable part (it is different from old models).

* This SA will guide you how to judge backup battery.

A

B

Step 1. Check remaining capacity

Turn on HB

status.

There will be one of three results.

3.1.1 100% capacity

Go to Step 4

3.1.2 Less than 100% capacity

Go to step 2

C. Can’t boot.

Go to step 2

Step 2. Charge batteries

then

plug in AC adapter for charging.

1. Normally It takes about 1 backup And then go to Step 3.

2.

unit can’

be recharged for an 1 hour.

1. If battery display is 100%, go to step 3

2. If it is NG (backup battery can’

battery has to be replaced.

1.

work.

1. Don’ with the power management screen)

2. Remove the AC adapter from the device.

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seconds, and then reinstall the main

A. If the display stays on original screen and the

backup battery is 100%, the backup battery is

Note: if the backup battery is less than 100%, please

B. If the unit boots from soft reset with showing

the screen as seen on photo B, the backup battery

Note: please look into the status of backup battery

ure it is kept on 100%, if the backup

battery is less than 100%, please charge for 1 hour

C. If the unit boots from hard reset with showing

the screen as seen on photo C, the backup battery

A

Step 5. Reinstall the main battery

Wait for 60

battery and power cover to the device.

Step 6. Check the Screen

Turn on the device. There will be three results.

considered good.

charge for the other 1 hour and then testing again. Usually the backup battery could reach 100%, otherwise, please replace backup battery.

C

is OK and leave no further action.

and make s

then testing again.

B

is NG and need to be replaced.

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6.Problem Diagnostics

6.1 List of Test Jigs

Item Name Usage Remark

USB Cable For data port test

Special Plastic Tool For unit disassembly

AC Adapter For battery recharge and power related tests

Earphone For audio test

SD Card or MMC Card For write protect, read and write test

 O.S.: Windows 2000 or above.

 CPU: Pentium 166MHz or above.

 Memory: 64MB

 PC Link: ActiveSync 3.5 or above.

6.2 Troubleshooting & Repair

１－Ａ．

１－Ａ．Main Unit Does Not Respond to Power Button

１－Ａ．１－Ａ．

(1) Connect the AC adapter, maybe the battery pack is exhaust and wait for few mins if unit boot.

(2) Check if the battery cover closed properly, check the micro switch under the battery cover if any damage.

(3) Check the Power Button if any damage.

(4) Try with another battery pack.

(5) Replace battery pack if necessary.

(6) Check all connections including LCD FPC to Main Board. Try with another Main Board.

(7) Replace Main Board if necessary.

(8) Once the defective part has been identified, verify it again with the defective part whether the

symptom could be duplicated.

2222－－－－ＡＡＡＡ．．．．Touch Panel Does Not Respond to Screen Tap

(1) Check the connection of LCM FPC cable whether is properly connected.

(2) Try with another LCM.

(3) Try with another Main Board.

(4) Replace LCM if necessary

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(5) Replace Main Board if necessary.

(6) Once the defective part has been identified, verify it again with the defective part whether the

2222－－－－B．．．．Buttons Do Not Respond

(1) Dismantle the unit, check the status of switches on the Main Board and the plastic parts of

(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 defective part whether

3333－－－－A．．．．Unusual Vertical / Horizontal lines or partial display

(1) Check the connection of LCM FPC whether is properly connected.

(2) Try with another LCM.

symptom could be duplicated.

button of the Button not responding.

the symptom could be duplicated.

(3) Try with another Main Board.

(4) Replace LCM if necessary

(5) Replace Main Board if necessary.

(6) Once the defective part has been identified, verify it again with the defective part whether the

symptom could be duplicated.

3333－－－－B．．．．Back Light Does Not Turn ON/OFF

(1) Check the connection of LCM FPC whether is properly connected.

(2) Try with another LCM.

(3) Try with another Main Board.

(4) Replace LCM if necessary

(5) Replace Main Board if necessary.

(6) Once the defective part has been identified, verify it again with the defective part whether the

symptom could be duplicated.

4444－－－－A．．．．SD Card cannot be used

(1) Check whether SD or MMC Card is fully inserted to the slot until you hear a click.

(2) Try with another SD / MMC Card and Check whether it is Write Protected.

(3) Try with another Main Board.

(4) Replace Main Board if necessary.

(5) Once the defective part has been identified, verify it again with the defective part whether the

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5555－－－－A．．．．PC Connection not possible

(1) Check whether “Connection Settings” in the MS ActiveSync is properly set.

(2) Check whether it connects with other cables or cradle, customer’s cable might be damaged.

(3) Check the external appearance of the connector on the unit whether it is physically damaged.

(4) Replace Main Board if necessary.

(5) Once the defective part has been identified, verify it again with the defective part whether the

5555－－－－B．．．．IrDA Connection not possible

(1) Make sure the IrDA port settings on the Notebook or the other device are properly set.

(2) Make sure the IrDA function is properly activated on the Pocket PC and on the other device.

(3) Make sure there’s no obstruction between the two devices in connection and within the distance.

(4) Check the IrDA window whether it is broken or cracked.

symptom could be duplicated.

(5) Replace Bezel if necessary.

(6) Replace Main Board if necessary.

(7) Once the defective part has been identified, verify it again with the defective part whether the

symptom could be duplicated.

6－－－－A．．．．Battery Pack does not start

(1) Make sure the battery cover is closed properly.

(2) Connect to the AC Adapter and see if it takes charge. Also check AC Adapter condition.

(3) Check whether AC Adapter is functioning properly.

(4) Check whether the condition of Battery Charging status is correct.

(5) Check the appearance of Battery Pack if any abnormal..

(6) Try with another Battery Pack or Replace Battery Pack if necessary

(7) Try with another Main Board or Replace Main Board if necessary.

(8) Once the defective part has been identified, verify it again with the defective part whether the

symptom could be duplicated.

.

6－－－－B．．．．Battery discharges quickly even after 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.

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(4) Try with another Battery Pack or Replace Battery Pack if necessary

(5) Try with another Main Board or Replace Main Board if necessary.

(6) Once the defective part has been identified, verify it again with the defective part whether the

6666－－－－C．．．．Battery Pack does not recharge

(1) Make sure the Battery Pack takes fully charge with AC Adapter.

(2) Check whether the condition of Battery Charging status is correct. Charge should be done

(3) Dismantle the unit and check the appearance of Battery Pack.

(4) Try with another Battery Pack or Replace Battery Pack if necessary

(5) Try with another Main Board or Replace Main Board if necessary.

(6) Once the defective part has been identified, verify it again with the defective part whether the

symptom could be duplicated.

no more than 4 hours.

symptom could be duplicated.

7－－－－A．．．．No Sound from Speaker or Distorted sound

(1) Check “Sound & Notifications” Settings in the unit for Sound Enabling.

(2) Make sure it’s not MUTED.

(3) Clean up the speaker connection side on MB if there is any contamintion.

(4) Dismantle and Check whether the Speaker is properly installed (Orientation)

(5) Replace Speaker if necessary.

(6) Replace Main Board if necessary.

(7) Once the defective part has been identified, verify it again with the defective part whether the

symptom could be duplicated.

7－－－－B．．．．No Recorded Sound or Distorted sound

(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.

(4) Replace Microphone if necessary.

(5) Replace Main Board if necessary.

(6) Once the defective part has been identified, verify it again with the defective part whether the

symptom could be duplicated.

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6.3 Faulty Tree

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7. Re-flash procedure

Tools required : 1) AC adapter. 2) PC with Windows2000 or above. 3) SD card

Software: 1) Mtty1.4.exe 2) Boot-loader 3) O.S image

A.OS image or Boot-loader re-flash (From PC to iPAQ):

4) USB cable.

1) Enter Boot-loader (Press and hold Pwr+App1+App4 then press reset button) until

HP logo appears. Connect Hummingbird to PC through USB sync cable.

2) Execute Mtty1.4.exe and choose USB port then choose OK.(Figure I)

Figure I Figure II Figure III

3) Enter l(L small letter) O.S image or boot-loader file name then Enter. (Figure II)

4) Wait a while the program will show the process complete, once complete please cold

boot the unit(Press Power button and reset) (Figure III)

B. Download boot-loader or O.S image (from iPAQ to SD card):

1) Enter SD card with diagnostic program loaded and choose the item of upload to SD card.

2) Remove the SD card loaded with diagnostic program. Put another SD card in it,download

boot-loader and O.S image follow the diagnostic program instruction from unit to SD card. SD

card size 32MB at least is required.

3) It’s strongly required to build master by using the ROM image that provided by HTC

(following the item A first), it’s not allowed to build the ROM image master SD card from

unit to unit.

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C. Download boot-loader or O.S image (from SD card to iPAQ):

1) Insert SD card loaded with boot-loader and O.S image to Unit.

2) Press and hold Power key then Reset.

3) Wait a while then proceeds the re-flash process.

4) After the re-flash done, please take out the SD card. It will take approx 6 minutes then cold boot

your unit (Power button + reset).

D. Key-in Serial number and Country ID

1) Insert SD card with Diag program loaded, press and hold power button then reset.

2) Wait until HTC copyright appears and press action to enter the Diag program.

3) Press power button to enter the item of “key-in S/N and country ID”.

4) Connect USB sync cable between PC and your iPAQ.

5) Execute Mtty1.4 on PC and Choose the USB port and press “OK”. < Figure I>

6) Enter the original S/N and country ID <Figure II>

7) You can check the asset viewer under diag program if it works.

Figure I Figure II I

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8.Spare parts list

Item Description HTC P/N

1

Main Battery assy,ICP553450R 35H00014-00 1

2

Stereo Earphone,2.5mm,EP-122,Tachima 36H00113-00 1

3

Stylus, PRE-ASSY, Hummingbird 74H00148-00 1

4

Connector, DC jack adapter 75H00153-00 1

5

Backup battery Assy,V20HR-02SUR-32S 35H00011-00 1

6

Speaker Assy 36H00091-00 1

7

Microphone Assy 36H00137-00 1

8

PCBA, KIWI,16/64 MB 51H00178-00 1

9

LCM,3.5" color TFT LCD,PHILIP 60H00012-00 1

10

Battery Cover 71H00436-00 1

11

Screw,Trox,FD,M1.6*3,BLACK 72H00265-00 1

12

Screw,Trox,FD,M1.6*5.5,NICKLE 72H00266-00 4

13

Screw,PH,FD,T1.6*4,BLACK 72H30055-00 6

Using

Q'ty

A

Upper cover, assy, KIWI 74H00177-00 1

14

Upper cover, pre assy 74H00199-00 1

15

FPC Ass’y + Speaker holder 74H00175-00 1

16

Key Pad 77H00158-00 1

17

Bottom cover, pre assy 74H00164-00 1

18

Sponge, Mylar,LCD 76H00354-00 1

19

Sponge, MPCB 76H00339-00 1

20

Sponge, Battery Connector 76H00340-00 1

21

Sponge, Speaker holder 76H00353-00 1

22

Mylar, LCD 76H00396-00 1

23

Agency Label,331578-002,H1915,FRU,Kiwi(SKU-00;FRU-01) 77H00067-00/01 1

23

Agency Label,331579-002,H1920,FRU,Kiwi(SKU-00;FRU-01) 77H00068-00/01 1

24

Disassembling prevent label (warranty seal) , Main unit 77H00036-00 1

Notice***Item A is assembled by item 14,15 and 16.

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1.Main Battery

4.DC jack connector

2.Earphone

5.Backup battery

3.Stylus

6.Speaker

7.Microphone

10.Battery Cover

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8.PCBA,KIWI

11.Screw,Trox,black

9.LCM,Philip

12.Screw,Trox,nickle

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13.Screw,Philip,black

16.Key Pad assy

14.Upper cover,Pre-assy

17. Bottom cover

15.FPC assy + Speaker holder

18.Sponge,LCD Mylar

19.Sponge,MPCB

22.Mylar,LCM

20.Sponge,Battery connector

23.Agency Label

21.Sponge,speakerholder

24.Warranty seal

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9.MB Major Component

RA M

CP U

Au dio Co d ec

HTC ASIC

PCB Top Side

Ba tt er y Co n ne c to r

LC D T -Co n

HT C C o nf id entia l

PCB Bottom Side

Battery Door Switch

LCD Connector

Sp e ak er Pa d s

SD Slot

NAND Flash

EEPROM

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HTC KIWI, H1915, H1920 Service manual

Specifications and Main Features

Frequently Asked Questions

User Manual