32
Issue 1.0
2/6/98
StarTAC 160 (GSM)
5.
Hinged mouth-
piece does
not go on/off
hook correctly
(usually indi-
cated by
inability to
answer
incoming calls
by flipping the
mouthpiece
down, or
inability to
make
outgoing
calls).
a)
Reed switch defective.
1. Gain access to Key board as described in
“Disassembly” on page 19.
2. Unsolder the reed switch and replace with a
known good one.
3. Reassemble unit.
4. Place call to portable phone and verify
ability to answer by opening flip.
5. If fault still present, replace original reed
switch and proceed to b.
5.
Hinged mouth-
piece does
not go on/off
hook correctly.
b)
Magnet in flip defective.
1. Replace flip assembly with known good
one.
2. Place call to portable phone and verify
ability to answer by opening flip.
3. If fault still present, replace original flip
assembly and proceed to c.
c)
Key board defective.
1. Replace the Key board with a known good
one.
2. Place call to portable phone and verify that
the fault has been eliminated.
3. If original Key board is at fault, examine it
for improper solder and/or connections.
d)
Logic/RF Board Assembly
defective.
1. Replace the Logic/RF board with a known
good one.
2. Place call to phone and verify that the fault
has been eliminated.
3. If original Logic/RF Board Assembly is at
fault, examine it for improper solder and/or
connections. Likely fail component: J101.
Table 9: Logic/Processing Troubleshooting and Repair Chart
Logic/Processing
Symptom
Probable Cause
Verification and Remedy
Summary of Contents for cd 160
Page 7: ...viii Issue 1 0 2 6 98 StarTAC 160 GSM ...
Page 9: ...2 Issue 1 0 2 6 98 StarTAC 160 GSM ...
Page 13: ...6 Issue 1 0 2 6 98 StarTAC 160 GSM ...
Page 17: ...10 Issue 1 0 2 6 98 StarTAC 160 GSM ...
Page 25: ...18 Issue 1 0 2 6 98 StarTAC 160 GSM ...
Page 65: ...58 Issue 1 0 2 6 98 StarTAC 160 GSM Figure 27 StarTAC Parts Illustration ...
Page 67: ...60 Issue 1 0 2 6 98 StarTAC 160 GSM ...
Page 75: ...68 2 6 98 ...