Depart. Technical support- CM640
PROCEDURE COMPANY
RESTRICTED
PHILIPS Consumer
Communications
Centre du Mans
Service Repair Support
VY-V-640-P655
Page : 71 of 74
Langue : EN
Date : 03/01/05
10.0 SOLUTIONS IN CASE OF PROBLEMS DURING THE TESTS
Under no circumstances the phone have to be disassembled to fix a defect detected during the test procedure on
level 1.
10.1
The phone does not switch on.
- Check the tactile feeling of the “ON/OFF” button.
- Check the LCD Fonction
- Remove the battery. Check that both the connectors (Keypad connector, LCD connector) of the phone and those
of the battery are not damaged.
- Clean the connectors.
- Plug the battery again, making sure that it is securely fitted. Charge the mobile until the icon has stopped flashing.
Then unplug from the charger and attempt to switch the mobile on.
If it still does not switch on. If the failure can’t be found out then dismantle the product and swap the board.
10.2
Charge does not start or no detection of the charger. (refer to chapter 8.3)
- Check the charger contacts for dust or missing pins.
- Check the mobile connector.
- Check the charger is plugged into correct connector.
- Remove the battery. Check that both the connectors of the phone and those of the battery are not damaged.
- Check the charger individually with a reference mobile. If the charger works properly try to charge the customer
mobile with a reference battery.
If neither of the battery and the charger can be incriminated, dismantle the mobile change the battery connector. If
the problem remains, swap the board.
10.3
The display shows “No SIM card. Please insert your SIM card.” or “SIM FAILURE”
- If the SIM card cannot be inserted, check for any foreign part and try to remove it.
- Check the SIM Card connector. All the contacts must be at the same level. Make sure that there is no dust on the
connector contacts and the SIM card contacts.
- If the test SIM card can be detected but the message “SIM Failure” remains on the customer’s card, his card must
be damaged. Ask him to contact his network operator.
Otherwise dismantle the product change the Simcard connector. If the problem remains, swap the board.
10.4 Display
problems
Contrast, icons and matrix of the display can be checked with the test SIM card by pressing keys ”5”,.
If everything works in test configuration that means that a phone setting is disabled or does not suit well. It can be
solved in the phone menu.
Otherwise dismantle the product change the Module LCD. If with a new Module LCD the problem remains, swap
the board.
PHILIPS ELECTRONICS N.V. 1999
VY-V-640-P655
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