Pcn Transmitter - Nokia Mobile Phones NSE-5 Series Service Manual

PAMS
Technical Documentation

PCN Transmitter

Apply a RF–cable to external RF–connector (X501) to allow the
transmitted signal act as normal. RF–cable should be connected to
measurement equipment or to at least a 10 dB attenuator, otherwise the
PA may burn.
Start WinTesla–Service–Software and
Select: Product
Select: Testing
Path of the transmitted PCN signal
This path defines the general route of the transmitted signal:
COBBA_GJP (N200), SUMMA(N700), 232 Mhz SAW Filter(Z702), CRFU3
(Upconverter N600), PCN Filter (Z603), PCN Buffer (N502), PCN Filter
(Z502), MMIC PA (N501), Directional Coupler (L500), TX/RX Switch
(Z504), Diplexer (Z503), Mechanical Swith (X501), Antenna.
The related component number(s) are defined inside (.).
There is also power detection (V500) and power control circuits inside
SUMMA for transmitter power control.
Issue 1 07/99
Band
PCN
RF Controls
TX Continous
TX_Data Type: Random
TX Power Level : BASE
Channel: 700
NSE–5
Troubleshooting
Page 33