Pioneer AVIC-8DVD, Service Manual

Page: 137 / 174

137
AVIC-8DVD
2. Call Origination Microphone Line (Voice Recognition)
• Voice recognition will be performed and the microphone and
speaker line's connectivity tests will be conducted.
Please input a voice signal in MICIN to verify the voice
recognition's function, operation and input level.
The gain of PROGGAIN0 through PROGGAIN2 can be
increased or decreased by using the [ ] and [ ] of the joystick.
• Enable and disable muting of the ONSEIMUTE signal by using
the Current Position key as a toggle switch.
• The next test can be performed by pressing the [ ] key.
3. Data Communications (Short Circuit Checks)
• CUE connection will be checked for short circuits. If the CUE is
not connected a loop-back check at CH5 will be performed.
If the CUE connectivity or CH5 loop-back check results in an
OK, the CH5 test will be successfully completed (OK).
• The SIO #1, #6 and ETC checks, will be skipped.
• If all tests result in an OK the next test can be performed by
using the [ ] key.
4. Data Communications (Open Circuit Checks)
• The SIO connection is checked for open circuits. Please do not
connect anything to the pins. If the circuit is determined to be
open, the test will result in an OK for each SIO connection.
• The next test can be performed using the [ ] key, if all tests
result in OK.
Microphone & Gain control check
Gain level (0-7) 1
[Push joy stick down to go to next check]
[-> to raise gain, <- to lower gain ]
Data Communication (Short Circuit) check
Serial I/O #3 (for TV)
Serial I/O #5 (for CUE Unit)
+CUE Unit check
Serial I/O #7 (for Debug)
Serial I/O #9 (for Telephone)
[Push joy stick down to go to next check]
OK
NG
OK
OK
OK
Data Communication (Open Circuit) check
Serial I/O #3 (for TV)
Serial I/O #5 (for CUE Unit)
Serial I/O #7 (for Debug)
Serial I/O #9 (for Telephone)
[Push joy stick down to go to next check]
OK
OK
OK
OK