Tait TM8100 mobiles Service Manual page 284

Task 8 —
Check Temperature
Sensor
284 Transmitter Fault Finding (>25W)
If the transmitter is being inhibited and the logic signal at the
point is active, a fault in the temperature sensor may be the cause.
Enter the CCTM command 47 to check the temperature reading.
1.
2. Of the two numbers returned, the first is the temperature in degrees
celsius and should be about 25°C. If it is, go to
PA Driver and PAs" on page
3. If not already done, remove the
4. Check D301 and the surrounding components — see
(UHF shown).
5. If there is no fault, go to
page 399. If a fault is found, repair it, confirm the removal of the
fault, and go to
the board, and go to
290. If it is not, go to
PAF TOP
"CODEC and Audio Fault Finding" on
"Final Tasks" on page
"Final Tasks" on page
© Tait Electronics Limited November 2007
D TX INH
Task 12 in "Biasing of
Step 3.
can.
Figure 11.6
163. If the repair failed, replace
163.
TM8100/TM8200 Service Manual
test