Pioneer VSX-94TXH Service Manual page 71

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Operation check of iPod functions
Connect an iPod player to
this unit, using an iPod cable.
Has
charging started?
(If charging starts, it means
the power line
is OK.)
Is "Pioneer"
displayed on the iPod
player? (If it is displayed,
microcomputer
control is OK.)
When audio
data are played back, is a
signal output from the Speaker?
(If a signal is output, the audio line is
OK.) (The audio lines are
analog input signals. )
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Operation is OK.
* The "DIGITAL PRECISION PROCESSING" indicator on the front panel light off when switching "AUTO SURR/STREAM DIRECT"
button to "PURE DIRECT" or listening through the multichannel analogue inputs.
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Note: The equalizer (EQ) function of an iPod player
cannot be switched from this unit.
No Check the power line (Pin 4, 5) of
the iPod connector (CN2804).
Yes
No Check Pins 42, 43 of the main
microcomputer (IC101).
Yes
No
output from the SP connector
when a digital signal (through a
Yes
output from the SP connector
when a signal is input to the
Diagnose the analog audio line
(input-AMP block-SP output connector).
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Is a signal
No
coaxial or optical cable)
is input?
Yes
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Is a signal
No
MULTI CH IN
connector?*
Yes
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VSX-94TXH
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Diagnose the path between the analog audio
line AUDIO L (Pin10,12), AUDIO R (Pin11,13)
of the iPod connector and the DSP block.
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Diagnose the path between the audio line
AVDIOL (Pin10, 12), AVDIOR (Pin11, 13) of
the iPod connector and the input function IC
(IC6201).
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A
B
C
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D
E
F
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