Phone Cannot Make A Call - Nokia RH-57 Series Troubleshooting Manual

Nokia Customer Care
Cell Duplexer
Cell Isolator
PA PMIC DC-DC Converter
Cell Tx PA
Battery Converter
YODA Rx Downconverter
Rx IF CDMA Filter
UEM (B.B)
SIM Card Connector

Phone Cannot Make a Call

Verify the following if the phone cannot make a call:
• The phone is in normal mode (i.e., the phone is searching for a signal, net server
is on).
• The Preferred Roaming List (PRL) is loaded into the phone.
Issue 1 07/2004
On/Off Switch
Tomahawk Connector
Figure 2: RF components (bottom)
©2004 Nokia Corporation
Troubleshooting - RF
Rx IC "Alfred" LNA+Downconverter
Cell Rx RF SAW Filter
Cell Tx SAW Filter
Jedi Tx Up-Converter
VCO
VCTCXO
UPP (B.B)
Flash
Company Confidential
2112 (RH-57)
Page 5