Nokia RH-3 Series Troubleshooting - Rf page 8

RH-3
Troubleshooting - RF
Step # Part Part Ref
1 Jedi Pin 7
2 Jedi Pin 8
3 Jedi Pin 4
4 Jedi Pin 5
5 Jedi Pin 45
6 Jedi Pin 46
7 Jedi Pin 31
8 Z601 Pin 3
9 Orca Pin 2
10 Orca Pin 8
11 Z802 Pin 1
12 Z803 Pin 8
13 Z800 Pin 3
Cell Power Amplifier
The table above is the path that one would take to determine where the problem is in the
transmitter path. There are other circuits that affect the operation of the transmitter
path; for example, the power amplifier (PA) has the DC/DC converter (PMIC device)
which controls it. The following tables illustrate the circuits that have an effect on the
transmitter path and how to troubleshoot them.
The following table illustrates the PA troubleshooting information.
Page 8
Label Test Point
I+ J601
I- J602
Q+ J603
Q- J604
IF CELL- top-C603
IF CELL+ bottom-C603
CELL_DRVout pin 1-Z601
SAW out pin 3
RF in pin 3-Z601
PA out left-R814
Iso Out=Dup pin 11-Z803
In
Dup-Ant pin 8
Diplexer left-L802
Nokia Corporation
CCS Technical Documentation
Typical
Units
Value
0.1 to 0.9, VAC, VDC
1.7
0.1 to 0.9, VAC, VDC
1.8
0.1 to 0.9, VAC, VDC
1.9
0.1 to 0.9, VAC, VDC
1.10
-45, 228.6 dBm/30kHz,
MHz
-45, 228.6 dBm/30kHz,
MHz
-38 dBm/30kHz
-40 dBm/30kHz
-40 dBm/30kHz
-17.5 dBm/30kHz
dBm/30kHz
-19 dBm/30kHz
-19
Confidential
Comments
Test Point on
BB side
This test point
is inaccessible
This point is
only accessi-
ble if the CELL
duplexer can
shield is
removed
Issue 1 06/2003