Pioneer XW-NAV1-K Service Manual page 26

1
QQ
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A
No sound from LINE OUT of
DVD,CD,USB,Tuner,iPod and AUX.
Does Audio signal
(L ch,R ch) come out on
4 PIN/13 PIN (DVD/CD/USB),
2 PIN/15 PIN (Tuner), 6 PIN/11 PIN
(iPod), 8 PIN/9 PIN (AUX) of
IC7004 (Audio SW)
on the MAIN Assy
?
B
Yes
Does the
Audio signal (L ch, R ch)
waveform come out on
1 and 3 terminals of CP7002
on the MAIN Assy
?
No
Check IC7001 (Audio AMP) on
the MAIN Assy and around circuits.
C
TE
L 13942296513
No sound from SPEAKER OUT of
DVD,CD,USB,Tuner,iPod and AUX.
Does Audio signal
D
(L ch,R ch) waveform come
out on 4 PIN/13 PIN (DVD/CD/USB),
2 PIN/15 PIN (Tuner), 6 PIN/11 PIN
(iPod), 8 PIN/9 PIN (AUX) of
IC7004 (Audio SW)
on the MAIN Assy?
Yes
Does 5 pin and
7 pin of IC7008 (OSC AMP)
on the MAIN Assy output
Frequency
E
"24 MHZ"?
Yes
Does the
Audio signal (L ch, R ch)
waveform come out on 1, 2,
4, and 5 PINs of
www
CP5501 on
the MAIN Assy
?
No
F
Check IC7007 (Audio ADC) and
IC5501 (Sound AMP) on the MAIN Assy.
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2
No
Check the condition of each Audio source.
Yes
Check connection of FFC joining CP7002 on the MAIN Assy and
CP8001 on the REAR JACK Assy together.
No
Check the condition of each Audio source.
No
Check IC7008 (OSC AMP), X7001 on the MAIN Assy
and around circuits.
Yes
Check the connection of FFC joining CP5501 on the
MAIN Assy and SPEAKER together.
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