Clarion PN-3124N-A Service Manual page 7

The cellular phone and Bluetooth
cannot be connected.
Check
enter in a set screen
of the telephone
OK
Check
how to connect by inquiry
from the cellular phone
OK
Check
the link of Bluettoth steady
or
the BT mark on
OK
Confirm to
connect Bluetooth
with the cellular phone again
The receiving talk voice
doesn't go out of the speaker.
Check
connect it with
the cellular phone
OK
Check
the sound of
CD or radio
OK
Check
the call sound come to send it
by telephone
OK
NG
Check
the power of IC901
(Bluetooth module)
OK
Confirm to
IC901 (Bluetooth module)
the circuit of
Q101,102,104,105,106,107,108
Confirm to
IC901 (Bluetooth module)
NG
the circuit of
Q101,102,104,105,106,107,108
ANT902 (Bluetooth module)
Confirm to
NG
IC901 (Bluetooth module)
the circuit of ANT902
(Bluetooth module)
Confirm to
NG
IC901 (Bluetooth module)
Confirm to
NG
IC402 (DSP), IC501 (AMP),
IC503 (Power AMP),
J502 (Connector)
OK
Check
the power of IC901
(Bluetooth module)
OK
Check
the power of IC101
(CODEC)
OK
Check
the waveform of
9pin of IC101
OK
Check
the waveform of
43pin of IC402(DSP)
OK
Confirm to
the output of J502
- 7 -
Confirm to
NG
IC901 (Bluetooth module)
IC502 (the power of 3.3V)
Confirm to
NG
the circuit of
IC502 (the power of 3.3V)
Confirm to
NG
the circuit of
IC502 (the power of 3.3V)
Confirm to
NG the circuit of
IC101 (CODEC)
IC901 (Bluetooth module)
Confirm to
NG
the circuit of IC402 (DSP)
PN-3124N