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Hands free car kit
When replacing the hands free car kit, output available?
Calling available in the hands free kit mode?
Incoming/outgoing call available with hands free car kit?
Voltage of 0 V applied to CN302 10pin during a call?
Signal output at CN302 11 pin during a call?
CN302, L309, V319, C328, jumper (R309 to C328), or JK301
defective.
4. Charging impossible.
Start the test mode, using a batterry fully charged with a spec-
ified battery charger. Check that the battery voltage is more
than 4.15 V.
Does "Red of mobile light (LED405)" turn on/off when press
"1" key by manual testmode F45 (LED setting)?
Is the temperature shown in the procedure "2.BAT TEMP" of
manual testmode F42 (Temp Adjust) correct? (Measuring tol-
erance: ± 5 deg)
Is the battery voltage of 4.15 to 4.25 V shown in the procedure
manual testmode F80 (Voltage control)?
Startup in the normal mode, using a battery with the voltage of
3.3 to 3.8 V.
When inserting AC Charger in External Connector, is the volt-
age of approx. 5.2 V applied to IC202 7 pin?
When inserting AC Charger in External Connector, is the volt-
age of approx. 5.2 V applied to TP321?
Approx. 15 sec after inserting AC Charger in External Con-
nector, does the voltage of TPB333 and TPB335 increase by
more than 0.05 V?
Battery defective or battery cycle deteriorated.
All manuals and user guides at all-guides.com
CONFIDENTIAL
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
Hands free car kit defective.
YES
Refer to "Hands free kit" in Troubleshooting "Audio cannot be
NO
sent/recorded." (see page 2-48).
Refer to "Hands Free Car Kit" in Troubleshooting "Incoming
NO
audio cannot be heard" (see page 2-46).
Parts of CN302 10 pin to IC104 125 pin defective or IC104
NO
defective.
Hands free car kit defective.
NO
Q402, R403, and mobile light (LED405) defective.
Is the voltage of 3 V applied to Q402 5 pin when charge LED
NO
(LED405) is ON?
Defective connection jumper (IC104 186 pin to Q402 5 pin).
IC104 Defective.
IC307, R368, CN305, Relay FPC_A, CN201, and IC102
NO
defective.
Defective connection between IC202 5 pin and IC102 4 pin.
NO
IC102 and IC202 defective.
Defective connection between CN302 18 pin and IC202 7 pin.
NO
CN302, CN306, FL303, FL304, FL307, Relay FPC_B, and
CN202 defective.
Defective connection between CN302 18 pin and IC202 7 pin.
NO
CN302, FL303, FL304 and FL307 defective.
Defective connection between IC202 9 pin and Q305 3 pin.
NO
R348, Q305, D303, D306, D309 and IC202 defective.
2 – 49
GX20
YES
NO
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