Pioneer CDJ-400 Service Manual page 68

1
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 : 6M (IC113-59pin)
16
V: 1.0 V/div. H: 50 nsec/div.
B
CH1
Conditions: At the time of power on,
without a disc loaded
CH1 : CLK_DSP16M (IC105-45pin)
29
C
V: 1.0 V/div. H: 20 nsec/div.
D
CH1
Conditions: At the time of power on,
without a disc loaded
CH1 : CLK_DAC11M (IC103-16pin)
24
V: 1.0 V/div. H: 20 nsec/div.
E
CH1
F
68
1
2
Conditions: At the time of power on,
without a disc loaded
CH1 : CLK_70M (IC102-38pin)
46
- b V: 1.0 V/div. H: 5 nsec/div.
Conditions: SDRAM side in the 70MHz
clock signal
CH1
Conditions: At the time of power on,
with a disc loaded → PLAY(CD)
CH1 : V+3R3 (CN103-5pin)
7
V: 5.0 V/div. H: 1 sec/div.
CH2 : XRST (IC112-1pin)
1
V: 5.0 V/div. H: 1 sec/div.
CH3 : CLK_DAC11M (IC103-16pin)
24
V: 5.0 V/div. H: 1 sec/div.
CH4 : L -OUT (JA1502-3pin)
50
V: 5.0 V/div. H: 1 sec/div.
Power ON
CH1
CH2
CH3
CH4
Conditions: At the time of power on,
with a disc loaded → PLAY(CD)
CH1 : ZERO (CN103-11pin)
26
V: 5.0 V/div. H: 1 sec/div.
CH2 : A_ALOUT0 (IC103-7pin)
20
V: 5.0 V/div. H: 1 sec/div.
CH3 : MUTE (CN102-10pin)
9
V: 5.0 V/div. H: 1 sec/div.
CH4 : L-OUT (JA1502-3pin)
50
V: 5.0 V/div. H: 1 sec/div.
Conditions : POWER ON
Power ON
CH1
CH2
CH3
CH4
CDJ-400
2
3
Conditions: At the time of power on,
with a disc loaded → PLAY(CD)
CH1 : DACLRCK (CN103-3pin)
21
V: 5.0 V/div. H: 1 sec/div.
CH2 : DACDATA (IC103-2pin)
22
V: 5.0 V/div. H: 1 sec/div.
CH3 : DACBCK (CN103-1pin)
23
V: 5.0 V/div. H: 1 sec/div.
CH4 : ZERO (CN103-11pin)
26
V: 5.0 V/div. H: 1 sec/div.
Conditions : POWER ON
CH1
CH2
CH3
CH4
Conditions: At the time of power on,
without a disc loaded → PLAY(USB)
CH1 : USBPFLG (IC113-36pin)
13
V: 2.0 V/div. H: 1 sec/div.
CH2 : USBPE (IC113-39pin)
14
V: 2.0 V/div. H: 1 sec/div.
CH3 : USBA_P (IC113-31pin)
11
V: 2.0 V/div. H: 1 sec/div.
CH4 : USBA_N (IC113-32pin)
12
V: 2.0 V/div. H: 1 sec/div.
PLAY start
CH1
CH2
CH3
CH4
Conditions: At the time of power on,
with a disc loaded → PLAY(CD)
CH1 : TSCK (CN103-18pin)
3
V: 2.0 V/div. H: 5 usec/div.
CH2 : TSCS (CN103-12pin)
4
V: 2.0 V/div. H: 5 usec/div.
CH3 : TSI (CN103-16pin)
5
V: 2.0 V/div. H: 5 usec/div.
CH4 : TSO (CN103-14pin)
6
V: 2.0 V/div. H: 5 usec/div.
Conditions : During playback
PLAY start
CH1
CH2
CH3
CH4
3
4
4