802SH
2 – 28
CONFIDENTIAL
5. System settings are reset.
6. Clock settings are reset.
Is TP1217 at high level (2.75 V) when the
Power key is pressed with 3.7 V applied to the
battery terminals (VBATT:TP:1200, TP1201,
and TP1202)?
Is 1.8 V applied to TP1231?
Is 2.75 V applied to TP1232,TP1233 and
TP1234?
Go to the section
“3. Power dose not
turn on.”
(see page 2-26)
IC1200 is defective.
Is the resistance between GND (TP1210) and
TP1207 82 k ohms?
Is there conduction between the battery termi-
nals and TP1207?
Battery terminal
(CN1200) is mounted
improperly.
IC1200 or the battery is defective.
Is the USIM card recognised?
Connection to the USIM card is instantaneously
interrupted.
Are the battery terminals clean?
Connection to the battery terminal is instanta-
neously interrupted.
The software has a problem, or IC1100 parts
are defective.
Is 1.8 V applied to TP1223 with 3.7 V applied to
the battery terminal (TP1200)?
IC1206, C1239 and R1247 are defective or
mounted improperly.
Is 1.0 V or more on TP1226 with the battery ter-
minal (TP1200) disconnected?
Is the voltage of the back-up battery 1.0 V or
more?
The back-up battery is
defective or deterio-
rated, or earth short
circuit.
Is 1.0 V or more on TP3019?
The back-up battery is
mounted improperly.
The flexible PWB is
broken
CN3001 and CN1501 are defective, or the thin
coaxial is broken.
Is 1.0 V or more on TP1223 with the battery ter-
minal (TP1200) disconnected?
IC1204 or peripheral circuits are defective or
short-circuited. IC1206 is defective.
Is 1.5 V applied to TP1003 with 3.7 V applied to
the battery terminal (TP1200)?
IC1204 is defective or mounted improperly
IC1000 is defective
NO
NO
YES
YES
NO
NO
YES
YES
NO
YES
NO
YES
NO
YES
NO
NO
YES
YES
NO
YES
NO
YES
NO
YES
Содержание Vodafone 802SH
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