Départ. Technical support- CM640
PROCEDURE
COMPANY RESTRICTED
PHILIPS Consumer
Communications
Centre du Mans
Service Repair Support
VY-V-640-120-2
Page : 23 of 45
Language : EN
Date : 23/04/02
Ó
PHILIPS ELECTRONICS N.V. 1999
VY-V-640-
All rights reserved. Reproduction in whole
or in part is prohibited without the written
consent of the copyright owner.
8.3 RF Test
8.3.1
The Test SIM Card “SP” must be inserted in t he phone before starting the tests.
8.3.2
Set the equipment as shown on the picture in chapter 6.2
8.3.3
Set RF losses as following (tested with antenna coupler):
These values are theoretical and have to be defined clearly.
8.3.4
The following operations must be done:
-
Synchronization/Registration
-
Call set up from the mobile
-
Voice loopback ( to check the sound quality)
-
Call release
-
Call set up from tester
-
Call release from tester
8.3.5
The following parameters must be checked in TCH loop mode :
Emission parameters :
-
Power level
-
RMS phase error
-
Peak phase error
-
Frequency error
-
Power
ramping
-
Timing
Advance
Reception parameters :
-
Rx level
-
Rx quality
-
BER (Byte Error Rate)
-
FER (Frame Error Rate)
Generally the test sequences built inside the testers will be used to check the mobile. You must assess that the test
sequences limits comply with the standard specifications and defined test plan.
Channel
RX
TX
Channel
RX
TX
900 MHz
63
5,0
5,2
1800 MHz
598
27,0
13,0
3
4,0
3,2
512
23,0
10,0
62
5,0
5,2
700
27,0
13,0
123
6,0
4,1
884
19,0
16,7