Nokia RH-57 Series Troubleshooting Manual page 10

2112 (RH-57)
Troubleshooting - RF
Test
Part*
Point
T6 C638T, C654T,
C633R,
C635R,
C603LR
T7 C655R
T8 C636L, C624T,
L609B, C612L,
C630B, L607B
T9 C605R, C606R
T10 C658R, C600T
T11 C805B, C810T,
C816R
T12 C802L, C813L
T13 C814R
* The R, L, T, and B values at the end of the part names indicate the Right, Left, Top, and Bottom side
of the part respectively in Figure 8 and Figure 9.
Page 10
Table 1: Cell Transmitter Test Points (Continued)
Typical
Value/
Function
Frequency
HP85024A
VR5 2.7V dc
VR7 2.7V dc
VR2 2.7V dc
VAGC-Tx 0.2 to 1.8V dc
VIO-Tx 1.8V dc
VBAT 3.6V dc
VPA 3.6V dc
(High Gain)
VG 1.8V dc
(Enable)
©2004 Nokia Corporation
Nokia Customer Care
Typical
Value
Comments
Frequency
Prod Probe
VHF VCO/PLL, IQ modulator
supply from UEM
UHF PLL Supply from UEM
Mixer, driver, and IF supply from
UEM
Tx AGC Control Voltage from
UPP.
0.2V = Max Gain
1.8V = Min Gain
Supply for Digital circuits from
UEM
Battery Voltage
(Nominal Voltage 3.6V dc)
Main PA Supply Voltage from
PMIC. Lgain=0.8V,
Mgain=-1.25V, Hgain=Vbat
PA Gate Voltage (Enable/Disable)
Disable=0V
Company Confidential Issue 1 07/2004