yuen_sweetlady
Age : 38
Registration date : 2009-02-15
Number of posts : 31
Location : guinayangan
Job/hobbies : cell tech
Humor :
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 Subject: Dct3 hardware problems  February 16th 2009, 12:53 pm |
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Flash ic
-auto reset (test w/ sim and without sim)
- unknown flash
- unable to write
-writable but unable to power on
- cant write imei (for internal eeprom only, if external then its eeprom chip)
-with power but can't read by mbus/flasher device
- read flash at first byte(address at 0x20001 then stop
- when writing always display "battery voltage is too low.
SRAM
-No Power - Ram is Bad (Test with Banana Flasher)
- Read and Write Flash but unable to power on
- Auto off, when trying to power on again, unit can't power on.waiting for a few minutes to power it on.
- writng flash,but cant detect by flasher device,empty.
- in 3210 reading/writing stop.
Cobba
-no power if shorted (test it by hang method)
-contact service (serial/parallel)
-no signal
a.no rx (receive)
b.no tx (transmit)
c.intermittent signal
d.fluctuating signal
-signal stable but cant reach when trying to call, cant send sms, cant make a call
-no audio (earpiece/mouthpiece)
-garbled audio
-cant unlock (openline)
-sim card not accepted always appear
-auto reset (test with simcard only)
CCONT
-No power
- No Signal
a.no rx
b.no tx
c.fluctuating
-insert sim card
-writing flashing error
-always hang (jammed)
- auto off (with sim and without sim)
-no display
-contact service
-no ui interface (blight,buzzer, vibra)
-with power but cant read by mbus flasher device
HAGAR
-No Power
-No Signal
a.No rx
b. no Tx
c.Fluctuating
d.Intermittent
-Auto off when receiving signal or after receiving signal
-Hang then off.
PA
-No transmit
-No Rx if overcurrent
-Auto off when making a call, or before entering menu
-no Power if shorted
-Short battery standby time (fast drain)
-Weak Transmit
Crystal osci (13/26 Mhz)
-No Power
-No signal
-Auto off
-Hang
Clock Crystal
-slow/too fast ringing tone
-slow/too fast clock timing
-intermittent signal
-no power if shorted
Antenna Switch
-No RX
-No TX
-Fluctuating Signal
-Intermittent Signal
This is not a complete solution..its just additional info, or maybe some reviews for our expert one, if you find some errors, just correct it.ill be glad to learn a new one. |
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agent_lia
Age : 43
Registration date : 2009-02-16
Number of posts : 277
Location :
Job/hobbies :
Humor :
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| Subject: Re: Dct3 hardware problems February 16th 2009, 7:02 pm |
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wow ok boss ang tips mo
detlyado di na ko maliligaw nyan
siguradong magiging kapaki pakinabang ito
sa lahat
salamat po boss |
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jci
Age : 36
Registration date : 2009-02-15
Number of posts : 210
Location : Atimonan Quezon
Job/hobbies : Cell Phone Technician
Humor :
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| Subject: Re: Dct3 hardware problems March 2nd 2009, 3:54 pm |
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| lupit mo talaga admin k po ito salamat po. |
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noelski
Age : 36
Registration date : 2009-02-16
Number of posts : 191
Location :
Job/hobbies :
Humor :
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| Subject: Re: Dct3 hardware problems March 6th 2009, 7:01 pm |
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tnx...............
br,,
noelski |
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Guest
Guest
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| Subject: Re: Dct3 hardware problems March 6th 2009, 7:29 pm |
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| ayos na ayos po eto boss...... |
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gidz_77
Age : 47
Registration date : 2009-02-17
Number of posts : 180
Location : mauban,quezon
Job/hobbies : cp technician
Humor :
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| Subject: Re: Dct3 hardware problems March 9th 2009, 10:53 am |
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tanks bos for this very useful information..............
god bless& more power |
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