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It paid to find this Service Manual, couldn't find it anywhere else. Exactly what I wanted. Received within 24 hours.
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Complete manual with clear schematic diagrams and printed circuit board layouts of two variants of the headset and the transmitter an old and a new version.
Also shows how the headset and the transmitter is opened and how transmitter and receivers can be adjusted and where to measure.
I had no problems to repair the headset using this service manual.
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Excellent printing quality. A complete and very useful manual with all details.
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This is a great site. I placed my order and by the next am it was available for download. Had some problems with some missing copy on some pages. Once I brought the error to the OMC's attention, the issue was resolved. I'll come back again.
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Mi spiace per non poter scrivere in inglese... ma sono veramente soddisfatto del servizio offerto. Grazie..!!
Depart. Technical support- CM640
PROCEDURE
COMPANY RESTRICTED
PHILIPS Consumer Communications Centre du Mans
Service Repair Support
VY-V-640-P330 Page : 41 of 43 Langue : EN Date : 11/06/03
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 - Active the ON/OFF Buttom Clamshell - Remove the battery. Check that both the connectors 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. - 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 All rights reserved. Reproduction in whole or in part is prohibited without the written consent of the copyright owner.
VY-V-640-P330
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