PIONEER DJ XDJ-XZ Service Manual page 31

5
No sound outputs from HP.
5
6
Input the audio signals to the input terminal.
Or, playback via USB terminals.
Set CUE of the playing channel to ON.
Is A_MUTE
"H" (12 V)?
No
Are there audio signals at Are there audio signals at
Yes
Pins 10, 11 of IC5801 Pins 10, 11 of IC5801
of AUDIO Assy? of AUDIO Assy?
No
Are there audio signals at Are there audio signals at
Pin 3 (ADAT_HP) of IC5801 Pin 3 (ADAT_HP) of IC5801
of AUDIO Assy? of AUDIO Assy?
No
No data is input to the MASTER DAC (IC5802).
Check the connection between DSP (IC2501)
and HP DAC (IC5801).
If no problem, replace the MAIN Assy.
Is the audio signal Is the audio signal
interrupted around the muting interrupted around the muting
transistors in the AUDIO Assy? transistors in the AUDIO Assy?
No
Check Pins 1 and 4 of CN7701 in the HPJK
Assy. If no waveform, check the connection
cable. If no problem, the audio circuit in the
AUDIO Assy may be in failure. Replace the
AUDIO Assy. If the waveform is detected,
replace the HPJK Assy.
XDJ-XZ
6
7
Muting is activated. The MUTE circuit in the
Yes
AUDIO Assy is in failure.
Replace the AUDIO Assy.
The MASTER DAC (IC5802) is in failure.
Yes
Replace MASTER DAC (IC5802).
If not improve, replace the AUDIO Assy.
The mute transistors on the AUDIO Assy are
Yes
defective, so audio signals are not output.
! AUDIO Assy: Replace Q6405-Q6408
! HPJK Assy: Replace Q7701, Q7702
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8
A
B
C
D
E
F
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