June 15, 2005 6815854H01-A
5-2 Troubleshooting Charts: List of Troubleshooting Charts
NOTE: The term µC might be used in some of the following troubleshooting charts;
µC = MCU or microprocesor.
RFPA Power Control—No VGBIAS 5-42
700–800 MHz
No 16.8 MHz Reference Oscillator Frequency 5-43
Poor RX Sensitivity or No RX Audio 5-44
RX IF—Poor SINAD or No Audio 5-46
RX Back-End—Poor SINAD or No Audio 5-47
Low or No RX Injection Signal 5-50
Low or No TX Injection Signal 5-51
No TX Audio 5-52
TX or RX VCO Unlock (Fail 001) 5-53
RF Power Amplifier (RFPA)—No or Low TX Power Output 5-55
RFPA Power Control—No K9.1V 5-60
RFPA Power Control—No VGBIAS 5-61
RFPA Power Control—No or Low TX RFPA_CNTRL 5-62
Table 5-1. List of Troubleshooting Charts (Continued)
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