Nokia NHM-8NX Series Troubleshooting Instructions page 22

NHM-8NX
Troubleshooting Instructions
N600
Z601
Z602
Z603
B600
G600
N700
Z700
Power Supply Configuration
All power supplies for the RF Unit are generated in the UEM IC (D200). All power outputs
from this IC has a decoupling capacitor at which the supply voltage can be checked.
The power supply configuration used in the HDb12 phone is shown in the blockdiagram
below:
Page 22
Figure 4: Key component location
Table 2:
Mjoelner RF IC
PCN RX SAW
EGSM RX SAW
EGSM TX SAW
26 MHz crystal
VCO ( 3.6 GHz UHF VCO )
Power Amplifier (PA)
RX/TX switch
ãNokia Corporation
PAMS Technical Documentation
Issue 1 05/02