NSW-5
Disassembly and Troubleshooting Instructions
PAMS Technical Documentation
Page 29
Issue 1 10/00
Nokia Mobile Phones Ltd.
Function
Unit
Max
Typ
Min
Parameter
To
From
Signal
name
VR5
CCont
RF
Voltage
2.7
2.8
2.9
V
Supply voltage for
EROTUS TX
modulator and TX
pwr control cir-
cuits
VR7
CCont
RF
Voltage
2.7
2.85
2.9
V
TX800 PA bias
and driver amplifi-
er supply voltage
VR7_bi
as
CCont
RF
Voltage
2.7
2.85
2.9
V
TX800 PA bias
switching voltage
”0”=AMPS
”1”=TDMA
V5V
CCont
EROTUS
Voltage
4.8
5.0
5.2
V
Erotus and 2 Ghz
PLL chargepump