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. Doc. Title
High Tech Computer, Corp.
VOX Service Manual
Doc. No. Issued Date Revised Date Page
DOC- 00026415
2007/02/12
REV.
A01 N/A 32 of 70
3. DIAGNOSTICS PROGRAM AND WINCE TEST ITEM 3.1 Test Plan
Mode No Item Function Test 1 Auto Test 2 SDRAM Test 3 Display Test 4 LED Test 5 Key Test Description Full functions test automatically. RAM memory test. Color bar/R/G/B/Black/White/Gray pattern. Green/Red/Blue/Key Pad. Soft1/Soft2/Home/Back/Talk/End/5-way Navigation/
Numeric / Alphabetic Keypad/Vol Up-Down/ESG /PC/ Power/Camera, SIM door
Remark
NA
Mode WinCE
6 B. L Test 7 Timer Test 8 SD Card Test 9 Checksum Test 10 Battery Test 11 Vibrator 12 Speaker Play Test 13 Receiver Play Test 14 Headset Play Test 15 Int. Rec-Spk out Test 16 HST Rec-HST out Test Run-in Test 1 1 Hour 2 2 Hours 3 4 Hours 4 8 Hours Unit Information Check Format Storage No Item 1 USB Test 2 Camera Test 3 Bluetooth Test 4 Wifi Test
Front light test (Dim/High/Off). RTC (Real time clock) test. SD card Read/Write test. ROM checksum test. Battery info check. Vibrator on test. Speaker out test. Receiver out test. Headset out test. Internal MIC record and play to Speaker test. External MIC record and play to Headset test. 1 Hour Run-in Test 2 Hours Run-in Test 4 Hours Run-in Test 8 Hours Run-in Test
NA NA
Diagnostic
NA
Option Option Option Option
Description USB link test (Microsoft ActiveSync). Picture capture test. Bluetooth test. Wifi Test
Remark
HTC CONFIDENTIAL
. Doc. Title
High Tech Computer, Corp.
VOX Service Manual
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DOC- 00026415
2007/02/12
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3.2 How to enter diagnostic mode and boot-loader mode
Power OFF. Insert Diagnostic Micro SD card (provide by HTC) to device. Press and hold "Camera + Power" button simultaneously then release the power button first after hold for about 1 seconds, and then the device will enter boot-loader mode. On the test menu, use Navigation key to select the item then press Action key to test, and you could use numeric key also to select the test item. Use Right/Left to change to go to the next page. Remove the battery directly to exit the Diagnostic program when finish the testing. If the system fails while testing, please also remove the battery directly to turn the power off.
HTC CONFIDENTIAL
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High Tech Computer, Corp.
VOX Service Manual
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DOC- 00026415
2007/02/12
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3.3 Test Procedure
A.
Diagnostic test menu.
B.
Display test screen. Color bar pattern. Red pattern.
HTC CONFIDENTIAL
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High Tech Computer, Corp.
VOX Service Manual
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DOC- 00026415
2007/02/12
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-
Green pattern. Blue pattern.
-
Black pattern. White pattern.
D.
QWERTY test screen
HTC CONFIDENTIAL
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High Tech Computer, Corp.
VOX Service Manual
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C. LED
LED test screen. RED>GREEN>BLUE>WLAN>
BLINKING BLUE AND WLAN LED >DIAL>FUNC>CAPS>QWERTY Press to next
D.
Button test screen.
E.
SD Card Test
HTC CONFIDENTIAL
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High Tech Computer, Corp.
VOX Service Manual
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2007/02/12
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F.
Vibrator test screen.
G. H.
ROM checksum test screen. Slide and SIM door test screen.
I.
Speaker play test screen.
HTC CONFIDENTIAL
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High Tech Computer, Corp.
VOX Service Manual
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J. K.
Receiver play test screen. Headset play test screen.
L.
Int. Record SPK out test screen.
[Note] The recording path of normal distance for internal microphone is around 15 to 30 cm.
M.
Ext. Record Hst out test screen.
[Note] The recording path of normal distance for internal microphone is around 15 to 30 cm.
HTC CONFIDENTIAL
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High Tech Computer, Corp.
VOX Service Manual
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2007/02/12
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N. O.
Run-in test screen. Device information test screen.
P. Q.
Format storage test screen. USB link test screen (ActiveSync) Start->ActiveSync.
R.
Bluetooth test screen. Start->Settings->Connections ->Bluetooth->Bluetooth
S.
Camera test screen. Start->Camera.
HTC CONFIDENTIAL
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High Tech Computer, Corp.
VOX Service Manual
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T.
Wi-Fi test screen. - Start->Settings->Connections -> WLAN Settings->Wi-Fi
HTC CONFIDENTIAL
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High Tech Computer, Corp.
VOX Service Manual
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4. LEAKAGE CURRENT MEASUREMENT
Equipment need: B A A. Power Supply (set at 4 V /1A). B. Micro-Current Meter (support 0.5mA ~ 1A).
2. Fixture needed: C. Cable D. Battery with extension cable E. Current series jig.( with black and red cable)
3. Connect cable (C) to positive polarity of power supply (A) and current meter (B)
HTC CONFIDENTIAL
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High Tech Computer, Corp.
VOX Service Manual
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4. Connect cable of fixture( E ) to negative polarity of power supply (A) and current meter (B)
5. Setting is Ready now for testing ( Don't turn the power on at this moment )
6.Turn on power supply ( 4V) and current meter ( 2A) Unit setting: * Flight mode * Turn off Bluetooth * Turn off Wi-Fi
HTC CONFIDENTIAL
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High Tech Computer, Corp.
VOX Service Manual
Doc. No. Issued Date Revised Date Page
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2007/02/12
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7. Measure flight mode current (condition: Display & BL off/RF off/BT off) Wait about 15 sec, back light will be off and after 30 sec display will be off as well, in this condition, please check current value on the current meter. Current value must be under TBD mA, if over, it means M/B failed, please replace M/B for repair.
8. Measure power off current Check current value on the current meter, Current value must be under 0.1 mA, if over, it means M/B failed, please replace M/B for repair.
Conclusions
If above measurement results are Pass both in flight mode and power off mode, then the Main board is judged as normal (Good)
If any of measurement modes is FAILED, please replace the main board.
HTC CONFIDENTIAL