Nokia NSE–6 Series Disassembly & Troubleshooting Instructions page 29

NO
Z700 output,
Check Z700 output for short
loading > 1 M Ω
circuits, if OK change Z700
Change Z700
NO
Check VBATT–connections to
N550
NO
Check soldered joints at N700
power control pulse
and N540, if OK change N540
Check soldered joints at N700,
if OK change N550
VTX and power contol pulse(TXC):
Oscilloscope pictures in Appendix D
Transmitter
1
TXLEV5
Z700 input,
SL: +2.5 dBm – +5.0 dBm
YES
NO
Z700 output,
SL: 1.0 – 3.0 dBm
YES
YES
N700 pin 1,
SL: 1.0 – 3.0 dBm
YES
NO
N700 pin 3
N700 pin 4,
~3.6V
SL: 35 dBm
YES
YES
N700 pin 2,
Duplexer TX–pin,
SL: 34.5 dBm
YES
YES
RF–connector X700 pin 1,
SL: 32 dBm
NO NO
Z700 input,
loading > 1 M Ω
YES
Check C700
NO
Check C711
Check N701.
NO
Also
check for short circuits, if OK
change Z500
NO
Check C784, if OK change
Z500
Check Z700 input for short
circuits, if OK change Z700