Sagem MYC-3, Техническая документация инструкция

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Site Technical Documentation - GSM 900/1800 - Serie 3000
Ref. SCT U38 SSC DTS 0020 – Index A -May 4, 200429/03/01 Page 3-
CHAPTER 3 - SYMPTOMS
3.1 GENERAL
After you have received the customer return sheet ( Proc Sheet 3 02 ), carry out the troubleshooting
procedure.
This chapter will help you to identify the defective element(s), using the troubleshooting table.
It contains flow charts broken down by fault type. Each flow chart describes the procedure to be
followed and contains cross references to tests or maintenance.
The conclusion of each troubleshooting procedure is :
•
Return to SAGEM =The Return to the SAGEM centre can concern either the card, or the
radiotelephone according to instructions given to the Centres of repair.
•
Delivery to the customer
These flow charts should be followed in full. After a reference to
a removal/replacement sheet or to a test to be carried out, you
should return to the initial flow chart and continue the search
until reaching a final conclusion.
Visual test :
•
Glass state
• Keypad state (elastomer, inscription)
•
Connector state (data/audio/charge ,battery, SIM)
•
Plug and position of battery
• SIM card position
•
Oxidation
Standard test :
•
Display test : Hot Line menu
• Contrast control
•
All keypad keys test (check bips keys)
•
Audio and radio test
•
MMS and GPRS test
•
Battery charge test
•
Vibrating device test : Hot Line menu
•
Charger test
•
Real call with a operator SIM card
Software inspection :
Default
confirmed?
Visual test
Standard test
Standard test
Software inspection - Update
Customer fault verification
Delivery to
customer
Return to
Sagem
Repairing => symptom sheet
Default
found ?
Yes
No
Mobile
OK?
Default
> Level 2 ?
Return to
Sagem
No
No
Yes
Yes
Yes
> 1 return
no found ?
No
No
Yes