ADJUSTMENT PROCEDURES
MCUK010801C8
Section 7
Issue 1
Service Manual
– 41 –
Revision 0
13. Enter the value calculated in step9 into the data field and then press ENTER.
14. Press ESC.
15. Re-measure the peak power.
16. Repeat steps 5 to 14 for the remaining power levels, in the following order:
17. Calibrate PL15 (limits ±0.5 dB).
18. After calibrating at channel 62, the carrier power must be measured and calibrated at LOW and HIGH channels as shown
in the table below.
19. Repeat steps 2 to 14 for the GSM 1800 settings in the following order:
20. Save TRIM data.
7.3.
RSSI
This procedure describes the calibration of RSSI on the mid-channel. This procedure must also be carried out for the low /
bottom channel and high / top channel.
The procedure is as follows:
1.
Power the telephone into Test Set mode in the service channel box.
PL6, PL9, and PL19.
Power levels between PL9 and PL6.
Power levels between PL14 and PL9.
Power levels between PL19 and PL14.
Channel
GSM 900
GSM 1800
Bottom
975
512
Low
1
(698)
Mid
62
698
High
124
(698)
Top
-
885
NOTE:
GSM 1800 uses the same Trim data for channels Low, Mid and High
PL10 (limits ±0.5 dB).
PL1, PL5, and PL15.
Power levels between PL1 and PL4.
Power levels between PL15 and PL10.
Power level PL0 (limits ±0.25 dB).
Содержание EB-GD95
Страница 4: ...Issue 1 Section MCUK010801C8 Revision 0 iv Service Manual This page is left intentionally blank ...
Страница 64: ...LAYOUT DIAGRAMS MCUK010801C8 Section 9 Issue 1 Service Manual 60 Revision 0 D C E A B F 3 4 ...
Страница 65: ...MCUK010801C8 Section 9 Service Manual 57 9 CIRCUIT DIAGRAMS Figure 9 1 GD95 C A4 A4 EB GD95 EB GD95C ...
Страница 66: ...CIRCUIT DIAGRAMS on 9 Issue 1 Revision 0 GD95 Circuit Diagram Logic A4 A4 ...
Страница 67: ...CIRCUIT DIAGRAMS Issue 1 Section 9 Revision 0 58 Figure 9 2 GD95 Cir A4 A4 ...
Страница 68: ...9 MCUK010801C8 Service Manual GD95 Circuit Diagram RF A4 A4 EB GD95 EBGD95C ...