Pioneer CDJ-400 Service Manual page 69

5
Note: The numbers for the waveform photos (circled) are identical to those for the schematic diagrams flowcharts.
A
MAIN ASSY
Conditions: At the time of power on,
without a disc loaded
CH1 : CLK_70M (IC106-39pin)
46
V: 2.0 V/div. H: 20 msec/div.
- a
CH2 : XOE (IC106-23pin)
47
V: 2.0 V/div. H: 20 msec/div.
CH3 : DATA0 (IC106-12pin)
48
- a V: 2.0 V/div. H: 20 msec/div.
CH1
CH2
CH3
Conditions: At the time of power on,
without a disc loaded
CH1 : XWE (IC106-61pin)
39
V: 2.0 V/div. H: 50 msec/div.
CH2 : XOE (IC106-23pin)
47
V: 2.0 V/div. H: 50 msec/div.
CH3 : DATA0 (IC106-12pin)
48
V: 2.0 V/div. H: 50 msec/div.
- a
CH1
CH2
CH3
Conditions: At the time of power on,
without a disc loaded
CH1 : CLK_70M (IC102-38pin)
46
- b V: 2.0 V/div. H: 10 msec/div.
SDRAM side in the 70MHz
*
CH1 : XCSSDRAM (IC102-19pin)
49
V: 2.0 V/div. H: 10 msec/div.
CH1 : DATA0 (IC106-12pin)
48
- b V: 2.0 V/div. H: 10 msec/div.
CH1
CH2
CH3
5
6
Conditions: At the time of power on,
without a disc loaded
CH1 : DATA8 (IC103-18pin)
19
- a V: 2.0 V/div. H: 50 nsec/div.
* Signal line distance short.
CH1 : DATA8 (IC103-37pin)
19
- b V: 2.0 V/div. H: 50 nsec/div.
* Signal line distance long.
CH1
CH2
Conditions: At the time of power on,
with a disc loaded → PLAY(CD)
CH1 : BCK (CN105-76pin)
32
V: 2.0 V/div. H: 200 nsec/div.
CH2 : DBCK (IC105-78pin)
33
V: 2.0 V/div. H: 200 nsec/div.
CH3 : DATAL1 (IC105-80pin)
34
V: 2.0 V/div. H: 200 nsec/div.
CH4 : DATAR1 (IC105-1pin)
35
V: 2.0 V/div. H: 200 nsec/div.
CH1
CH2
CH3
CH4
Conditions: At the time of power on,
without a disc loaded → PLAY(USB)
CH1 : XWR (CN113-12pin)
17
V: 2.0 V/div. H: 50 msec/div.
CH2 : XDE (IC113-13pin)
18
V: 2.0 V/div. H: 50 msec/div.
CH3 : USBCS (IC113-30pin)
10
V: 2.0 V/div. H: 50 msec/div.
CH4 : DATA0 (IC113-49pin)
48
V: 2.0 V/div. H: 50 msec/div.
- c
CH1
CH2
CH3
CH4
CDJ-400
6
7
F
PNLB ASSY
MODE : PLAY
CH1 : DEL1064-34pin (FLCSCLK)
6
V: 0.5 V/div. H: 100 msec/div.
CH2 : DEL1064-33pin (FLSO)
7
V: 0.5 V/div. H: 100 msec/div.
CH3 : DEL1064-73pin (FLLAT)
8
V: 0.5 V/div. H: 100 msec/div.
CH4 : DEL1064-74pin (FLBK)
9
V: 0.5 V/div. H: 100 msec/div.
CH1
CH2
CH3
CH4
MODE : PLAY
CH1 : DEL1064-1pin (F +)
10
V: 2.0 V/div. H: 20 msec/div.
CH2 : DEL1064-44pin (F -)
11
V: 2.0 V/div. H: 20 msec/div.
CH1
CH2
MODE : POWER ON
CH1 : IC1100-16pin (V+5V)
12
V: 2.0 V/div. H: 20 msec/div.
CH2 : IC1100-12pin (DISPRESET)
13
V: 2.0 V/div. H: 20 msec/div.
CH1
CH2
7
8
A
B
C
D
E
F
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