Waveforms - Pioneer CDJ-400 Service Manual

1

10.9 WAVEFORMS

Note: The numbers for the waveform photos (circled) are identical to those for the schematic diagrams flowcharts.
A
A
MAIN ASSY
Conditions: At the time of power on,
without a disc loaded
CH1 : V+3R3 (CN105-5pin)
7
V: 2.0 V/div. H: 200 msec/div.
CH2 : XRST (IC112-1pin)
1
V: 2.0 V/div. H: 200 msec/div.
CH3 : USBRST (IC113-47pin)
15
V: 2.0 V/div. H: 200 msec/div.
B
CH1
CH2
CH3
Conditions: At the time of power on,
without a disc loaded
C
CH1 : V+3R3 (CN103-5pin)
7
V: 2.0 V/div. H: 10 msec/div.
CH2 : XRST (IC112-1pin)
1
V: 2.0 V/div. H: 10 msec/div.
CH1
D
CH2
Conditions: At the time of power on,
without a disc loaded
CH1 : XRST (IC112-1pin)
1
V: 2.0 V/div. H: 200 msec/div.
CH2 : PRGM (IC114-L4pin)
36
V: 2.0 V/div. H: 200 msec/div.
CH3 : SRVRST (IC502-90pin)
51
E
V: 2.0 V/div. H: 200 msec/div.
CH4 : DSPRST (IC105-47pin)
28
V: 2.0 V/div. H: 200 msec/div.
CH1
CH2
CH3
F
CH4
66
1
2
Conditions: At the time of power on,
without a disc loaded
CH1 : V+3R3 (CN103-5pin)
7
V: 2.0 V/div. H: 10 msec/div.
CH2 : CLK_CPU16M (IC109-7pin)
43
V: 2.0 V/div. H: 10 msec/div.
CH3 : XRST (IC112-1pin)
1
V: 2.0 V/div. H: 10 msec/div.
CH1
CH2
CH3
Conditions: At the time of power on,
without a disc loaded
CH1 : XINIT (IC106-42pin)
2
V: 2.0 V/div. H: 5 usec/div.
CH2 : QSPISO (IC106-48pin)
45
V: 2.0 V/div. H: 5 usec/div.
CH3 : DONE (IC106-51pin)
41
V: 2.0 V/div. H: 5 usec/div.
CH4 : XFRST (IC106-67pin)
38
V: 2.0 V/div. H: 5 usec/div.
CH1
CH2
CH3
CH4
Conditions: At the time of power on,
without a disc loaded
CH1 : CLK_DSP16M (IC105-45pin)
29
V: 2.0 V/div. H: 200 msec/div.
CH2 : DSPRST (IC105-47pin)
28
V: 2.0 V/div. H: 200 msec/div.
CH3 : DSPSIN (IC105-35pin)
31
V: 2.0 V/div. H: 200 msec/div.
CH4 : QSPISCK (IC105-36pin)
30
V: 2.0 V/div. H: 200 msec/div.
CH1
CH2
CH3
CH4
CDJ-400
2
3
Conditions: At the time of power on,
without a disc loaded
CH1 : PROG-B (IC106-99pin)
37
V: 2.0 V/div. H: 20 usec/div.
CH2 : XINT (IC106-42pin)
2
V: 2.0 V/div. H: 20 usec/div.
CH3 : QSPISCK (IC106-52pin)
40
V: 2.0 V/div. H: 20 usec/div.
CH4 : QSPISO (IC106-48pin)
45
V: 2.0 V/div. H: 20 usec/div.
CH1
CH2
CH3
CH4
Conditions: At the time of power on,
without a disc loaded
CH1 : DONE (IC106-51pin)
41
V: 2.0 V/div. H: 500 usec/div.
CH2 : CLK_SRV16M (IC502-73pin)
53
V: 2.0 V/div. H: 500 usec/div.
CH3 : CLK_DSP16M (IC105-45pin)
29
V: 2.0 V/div. H: 500 usec/div.
CH4 : XFRST (IC106-67pin)
38
V: 2.0 V/div. H: 500 usec/div.
CH1
CH2
CH3
CH4
Conditions: At the time of power on,
without a disc loaded
CH1 : CLK_DSP16M (IC105-45pin)
29
V: 2.0 V/div. H: 200 msec/div.
CH2 : QSPISO (IC106-48pin)
45
V: 2.0 V/div. H: 200 msec/div.
CH3 : DSPDREQ (IC105-60pin)
27
V: 2.0 V/div. H: 200 msec/div.
CH4 : CLK_DAC11M (IC3-16pin)
24
V: 2.0 V/div. H: 200 msec/div.
CH1
CH2
CH3
CH4
3
4
3.3 V
c 3.3 V
4