Rh-53/54 Transmitter Troubleshooting; Measurement Points For The Transmitter - Nokia 2650 Service Manual

RH-53/54

RH-53/54 Transmitter Troubleshooting

The troubleshooting of the transmitter for the different phones is similar, meaning that the low
band, 850/900 MHz, has similar values and the high band, 1800/1900 MHz, has similar values.
The only differences are which selection of product done in Phoenix.

Measurement points for the transmitter

R714
TXQ
Issue 2 06/2005
Figure 40:Front End Module FEM
VPC (R712) VTX (J700)
VDET (R713)
BS (C709)
VC1 (C708)
VC2 (C730)
Figure 41:MjoelnerN600 test points
TXI
VPC (C644)
T600 in
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R711
X700
Z603 in Z603 Out
T600 Out
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