Nokia RM-164 Service Manual page 35

RM-164
Service Tools and Service Concepts
Issue 1
RJ-93
RJ-93 is used as a rework jig for the engine module.
This jig is used in conjunction with the ST-40 stencil for spreading the
soldering paste to the N7501 component.
SA-130
The SA-130 coupler is for GSM RF Go/No Go testing. It interfaces with
the FS-52 and SS-62/CU-4 interface adapters. It allows RF function
testing in GSM bands of 850, 900, 1800 and 1900 MHz.
Note: SA-130 is not suitable for RF tuning.
•
Band Channel
GSM850
EGSM
900
GSM
1800
GSM
1900
TX attenuation tolerance is +/- 1.0 dB
RX attenuation tolerance is +/- 1.0 dB
COMPANY CONFIDENTIAL
Copyright © 2007 Nokia. All rights reserved.
Rework jig
RF coupler
Table 10 Attenuation values
Freq. TX Attn
(dBm)
Low 824.2 -16.1
Mid 836.6 -15.1
High 848.8 -14.9
Low 880.2 -12
Mid 897.6 -11.8
High 914.8 -12.1
Low 1710.2 -8.4
Mid 1747.6 -7.5
High 1784.8 -6.9
Low 1850.2 -6.7
Mid 1880 -6.5
High 1909.8 -6.8
Freq. RX Attn
(dBm)
869.2 -14.2
881.6 -13.4
893.8 -12.5
925.2 -12.8
942.6 -14.4
959.8 -17
1805.2 -6.8
1842.6 -6.7
1879.8 -6.5
1930.2 -7.3
1960 -8
1989.8 -8.4
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