Tait TM8100 mobiles - Page 190

190 Frequency Synthesizer Fault Finding TM8100/TM8200 Service Manual
© Tait Electronics Limited November 2007
Figure 9.2 Synthesizer circuitry under the SYN TOP can and the 6V regulator IC606 (top side)
VHF bands
UHF bands
Measurement
point on L506
(pin not used)Pin 5 (5-pin device)
Q508
Q507
Q506
Q508
Q512
Q512
Q508
Q5004
A4 band differences
SMPS output (C531 and
R530 are on the bottom side
of the PCB)