Pioneer DJM-800 Service Manual page 77

5
NOTE: The following waveforms were measured at the point of the corresponding
balloon number in the schematic diagram
M
OUTPUT ASSY
CN901-pin 20 (MASTER_DATA)
1
V: 1.0V/div. H: 200nsec/div.
GND
IC904 -pin 23 (L +)
2
V: 1.0V/div. H: 500µsec/div.
GND
IC904 -pin 22 (L –)
3
V: 1.0V/div. H: 500µsec/div.
GND
L902 -pin 1 (L –)
4
V: 1.0V/div. H: 500µsec/div.
GND
L902 - pin 6 (L +)
5
V: 1.0V/div. H: 500µsec/div.
GND
JA901 - pin 3 (Master Out L Hot)
6
V: 1.0V/div. H: 500µsec/div.
GND
5
6
JA901 - pin 2 (MASTER OUT L COLD)
7
V: 1V/div. H: 500µsec/div.
GND
CN901 - pin19 (Booth_Data)
8
V: 1.0V/div. H: 200nsec/div.
GND
C965 & R1031 (VOUTL)
9
V: 1.0V/div. H: 500µsec/div.
GND
C970 & R1036
10
V: 1.0V/div. H: 500µsec/div.
GND
IC912 - Pin1
11
V: 1.0V/div. H: 500µsec/div.
GND
C975 & R1044
12
V: 2.0V/div. H: 500µsec/div.
GND
6
7
C980 & R1049
13
V: 2.0V/div. H: 500µsec/div.
GND
JA903 - OUTPUT PIN(Booth L Cold)
14
V: 1.0V/div. H: 500µsec/div.
GND
JA903 - OUTPUT Pin(Booth L Hot)
15
V: 1.0V/div. H: 500µsec/div.
GND
CN901 - Pin18 (SEND_DATA)
16
V: 1.0V/div. H: 200nsec/div.
GND
C1008 & R1097
17
V: 2.0V/div. H: 500µsec/div.
C1013 – Side
18
V: 0.2V/div. H: 500µsec/div.
GND
DJM-800
7
8
JA905 - Output (SEND L)
19
V: 0.2V/div. H: 500µsec/div.
JA907 - Input pin (RETURN L)
20
V: 0.2V/div. H: 500µsec/div.
IC918 - Pin2 (RETURN_A/D)
21
V: 1.0V/div. H: 500µsec/div.
CN901 - Pin17 (RETURN_DATA)
22
V: 1.0V/div. H: 200nsec/div.
CN901 - Pin16 (DSP_RESET1)
23
V: 1.0V/div. H: 200nsec/div.
GND
CN901 - Pin14 (24M)
24
V: 1.0V/div. H: 50nsec/div.
8
A
GND
B
GND
C
GND
D
GND
GND
E
GND
F
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