Honda ACCORD HYBRID 2005 Service Manual page 2027

S o u n d Q u a l i t y D i a g n o s i s
Special Tools Required
Diagnostics CD 07AAZ-SDBA100
Use the f o l l o w i n g tests to check sound quality.
NOTE: Before beginning the f o l l o w i n g tests, w r i t e d o w n
the client's bass, treble, fader and balance settings,
then set t h e m to their center positions for the testing.
Left/Right Channel ID
Do this test to c o n f i r m proper channel routing.
1. Insert the audio diagnostic CD (T/N 07AAZ-SDBA
100) into the audio unit.
2. Play track No. 1 (left, both, right channel ID) at a
n o r m a l , or slightly higher than n o r m a l , v o l u m e
level.
3. The voice should be audible only f r o m the channel
or channels w h e n indicated.
• If the channel ID is correct for each side, go to
phase test (see page 23-61).
• If the channel ID is not correct, check for
- Shorted speaker w i r e
- Faulty audio unit
Special Tools Required
Diagnostics CD 07AAZ-SDBA100
Phase Test
Do this test to c o n f i r m proper speaker phasing.
1. Insert the audio diagnostic CD (T/N 07AAZ-SDBA
100) into the audio unit.
2. Play track No. 2 (phase) at a n o r m a l , or slightly
higher than n o r m a l , v o l u m e level.
3. The voice should sound centered and focused
w h e n it is in-phase.
4. The voice should sound diffused, and have "less
b a s s " w h e n it is out of phase.
• If the voice changes f r o m in-phase to out of
phase as indicated by the p r o m p t , the phasing is
correct. Go to electrical noise test (see page
23-62).
• If the voice always sounds out of phase, phasing
is not correct. Check for
- Crossed speaker wires
- Faulty audio unit
23-61