BENQ-SIEMENS S81 User manual

Technical Documentation Release 1.0
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Service Manual
Level 1-2
for
S81
Release Date Department Notes to change
R 1.0 31.08.2006 ISC S CES New document

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Table of Content
1. Key Feature ........................................................................................................................ 3
2. Spare Part Overview of S81..............................................................................................4
3. Disassembly of S81........................................................................................................... 6
5Assembly of S81..............................................................................................................13
6BenQ Service Equipment User Manual.......................................................................... 20
7Setup of the Software......................................................................................................21
8Software basic settings...................................................................................................22
4. Software Download procedure....................................................................................... 23
5. Download PPF (Handset configuration)........................................................................ 25
6. Backup and Restore of Wap and Network Setting .......................................................27
7. Backup and Restore of Media Center content.............................................................. 28
8. Unlock Tool ......................................................................................................................29
14 International Mobile Equipment Identity, IMEI..............................................................31
15 General Testing Information...........................................................................................32

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1. Key Feature
Frequency • Tri-band GSM/GPRS 900/1800/1900, GPRS Class 10
Antenna • Internal Antenna
Display • 1.8” ; 128* 160 pixel; Type: 262K TFT
Embedded DSC • 300K pixel DSCM
Memory • Flash 128MB + Pseudo SRAM:32MB
External Memory • Mini SD Card
Entertainment
Feature
• MP3 / AAC / AAC+ player
• 2 default C code game
Connectivity • USB supported
Battery • Lithium-Ion 920 mAh
Handsfree • Stereo type with fashionable design
Keys • 27 keys (5-way Navigation key, 1 OK key, 12 number
keys, 2 soft-keys, 2 send/end keys, 5 top keys (MP3
play/pause key, 2 for FF/REW, 2 for volume)
Message Service • MMS/EMS/SMS
Ring Tone • MP3 / AAC / AAC+ / Midi / I-Melody ring tone
MP3 – Player • Support MP3/AAC
• Equalizer

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2. Spare Part Overview of S81
Overview Upper Parts
9
8
7
6
5
4
3
2
1
No. Description CM Order Number
1. Upper Case Shell Tbd.
2. RF Control Board Tbd.
3. Keypad L50658-A222-A8
4. Antenna L50658-A122-C80
5. Microphone L50654-Z6-C146
6. Lift Screws L50658-A220-A32
7. Camera Module L50651-Z1508-A214
8. Side Key Right Tbd.
9. Side Key Left Tbd.

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Overview Lower Parts
11
17 16 15 14 13
12
10
No. Description CM Order Number
10. Lower Case Shell L50658-A222-A11
11. Battery Cover L50658-A222-A12
12. Battery L50645-K1310-X499
13. Screw Caps L50658-A222-A18
14. Base Screws L50658-A220-A32
15. Vibra Alert Tbd.
16. Screw Caps Tbd.
17. SIM Card Holder Tbd.

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3. Disassembly of S81
All repairs as well as disassembling and assembling have to be carried out in an ESD
protected environment and with ESD protected equipment/tools. For all activities the
international ESD regulations have to be considered.
For more details please check information in c – market
https://market.benqmobile.com/SO/welcome.lookup.asp
There you can find the document “ESD Guideline”.
Step 1
Remove Battery Cover.
Step 2
Remove Battery

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Step 3
Step 4
Remove Screw Cap by using
Tweezers.
Step 5
Remove Screw Cap by using
Tweezers

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Step 6
Remove Screws by using the Torque –
Screwdriver. T5+.
Step 7
Remove Lower Case Shell by using
the Alternative Opening Tool.
Step 8

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Step 9
Remove SIM Card Holder by using
Tweezers.
Step 10
Remove Vibra Alert by using
Tweezers.!!!
Step 11
Remove Camera Flex Cable by using
Tweezers.

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Step 12
Remove RF Control Board with care.
Step 13
It is mandatory to place a Protection
Foil onto the Display to avoid
scratches.
Step 14
Remove Antenna by using Tweezers.

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Step 15
Remove Side Key Right by using
Tweezers.
Step 16
Remove Side Key Left by using
Tweezers.
Step 17
Remove Camera Module very
carefully.

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Step 18
Remove Microphone by using
Tweezers.
Step 19
Remove Lift Screws by using the PZ0
cross screwdriver.
Step 20
Remove Keypad by using Tweezers.

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5 Assembly of S81
Step 1
Assemble Keypad.
Step 2
Place Lift Screws by using the
PZ0 cross screwdriver.
Step 3
Assemble Camera Module very
carefully.

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Step 4
Assemble the Microphone by using
Tweezers.
Step 5
Remove Display Foil.
Step 6
Place RF control board into upper case

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Step 7
Assemble Camera Flex Cable.
Step 8
Assemble Antenna by using
Tweezers.
.
Step 9
Assemble the Side Key Left by using
Tweezers.

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Step 10
Assemble the Side Key Right by using
Tweezers.
Step 11
Assemble Vibra Alert by
using Tweezers into lower case shell.
Step 12
Assemble SIM Card Holder by
using Tweezers.

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Step 13
Assemble the Lower Case Shell and
RF Control Board.
Step 14
Place Screws.
Step 15
Assemble Screw Cover .

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Step 16
Assemble Screw Cover.
Step 17
Assemble Battery .
Step 18
Assemble Battery Cover.

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Step 19

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6 BenQ Service Equipment User Manual
Introduction
Every LSO repairing BenQ handset must ensure that the quality standards are
observed. BenQ has developed an automatic testing system that will perform all
necessary measurements. This testing system is known as:
BenQ Mobile Service Equipment
• For disassembling / assembling
Torque – Screwdriver
Part Number: F 30032 – P 228 – A1
Opening tool
(Case opening without destroying)
Part Number: F 30032 – P 38 – A1
Alternative Opening tool
Part Number: F30032 – P583 – A1
Tweezers
• For testing
All mobile phones have to be tested with the GRT – Software. The service partner
is responsible to ensure that all required hardware is available.
For additional Software and Hardware options as well as the supported GRT
equipment, please check the GRT User manual.