PIONEER DJ TSP-16 Service Manual page 21

5
No sound comes out from the PHONES terminal
Supply the audio signal (-10dBV) to the INPUT terminal
Turn the INPUT LEVEL knob to max
Turn the MAIN OUT knob to max
Enter 6.1 TEST MODE PAGE 11: AUDIO TEST/MODE1
Are MCK, BCK, and LRCK
correctly input to IC6600?
Yes
Is the ADAT_HP signal
correctly input to IC6600?
[Observation point A40]
Yes
Is the IC6600 output normal?
[Observation point A41 etc.]
Yes
Failure in the PHONES analog audio output circuit
-> Confirm that each output of IC6601 to IC6603 is normal
No sound comes out from the OUT1-2 / MASTER terminal and PHONES terminal when ACTIVE ON
• Supply the audio signal (-10dBV) to the INPUT terminal
• Enter 6.1 TEST MODE PAGE 11: AUDIO TEST/MODE3
• Turn the HIGH PASS CUTOFF knob to min
Is the audio signal output
to IC6203 1pin, 7pin?
[Observation point A37 etc.]
Yes
Is the voltage of
IC6401 1pin about 0V?
[Observation point A38]
Yes
Is the audio signal output
to IC6402 1pin, 7pin?
[Observation point A39 etc.]
Yes
Does the audio signal
exist in IC6001 1pin, 2pin?
[Observation point A31 etc.]
Yes
Are MCK, BCK, and LRCK
correctly input to IC6001?
No
Failure in the audio CLK peripheral circuit
-> Confirm IC5009, IC5016 4pin output
and LRCK output of IC2000
5
6
Failure in the audio CLK peripheral circuit
No
-> Confirm IC5009, IC5016 4pin output
and LRCK output of IC2000
No
Failure in IC2000 and peripheral circuit
No Failure in IC6600
• Turn the INPUT LEVEL knob to max
• Turn the LOW PASS CUTOFF knob to max
Is the voltage range
No of the LPF_FREQ_CV signal
about +4.1V to +4.8V?
[Observation point A34]
Yes
Failure in the LPF circuit and peripheral
circuit (with the wiring number in 6200's)
No
Failure in IC6400 and IC6401 or their
peripheral circuit
No
Failure in the HPF circuit
(IC6402 to IC6404 and their periphery)
No Pattern disconnection between IC6402 and
IC6001 and improper mounting of the parts
Is the audio signal correctly
Yes
output from IC6001 9pin?
[Observation point A32]
Yes
Failure in IC2000 and peripheral circuit
TSP-16
6
7
• Turn the MAIN OUT knob to max
• Turn the LOW PASS RESONANCE knob to min
No
Failure in IC6900 and peripheral circuit
No
Failure in IC6001
7
8
A
B
C
D
E
F
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