Waveforms - Pioneer DJM-850-K Service Manual

1

10.35 WAVEFORMS

Measurement Conditoion
A
IN or OUT Measure CH
IN CD
IN LINE
IN PHONO
IN MIC
IN RETURN
IN USB
OUT MASTER1/2
OUT BOOTH
OUT REC
OUT SEND
OUT HP
B
OUT DIG OUT
Measure the output waveforms at the CH1 CD input.
Switch Type Setting
MASTER ATT : 0 dB
MONO/ST (HP) : ST
MON/ST (MASTER) : ST
CH FADER CURVE : Right side (linear)
CROSS FADER CURVE : Center
CROSS FADER ASSIGN : THRU
MIC SW : ON
MASTER CUE : ON
C
FILTER : MIN
ISOLATOR : EQ
NOTE: The following waveforms were measured at the point of the corresponding
balloon number in the schematic diagram and PCB diagram.
D
A
INPUT ASSY
INPUT SELECT (CD)
2-1
V: 5 V/div. H: 200 μs/div.
E
F
164
1
2
IN CH IN LEVEL IN FREQUENCY
CH1/2/3/4 0 dB
CH2/3 0 dB
CH1/4 -40 dB
MIC -40 dB
RETURN 0 dB
USB1/2/3/4 0 dB
CH1/CD 0 dB
CH1/CD 0 dB
CH1/CD 0 dB
CH1/CD 0 dB
CH1/CD 0 dB
CH1/CD 0 dB
INPUT SELECT (PHONO)
2-1
V: 5 V/div. H: 200 μs/div.
2
3
RL Other Settings
1K − TRIM LEVEL VR Center
1K − TRIM LEVEL VR Center
1K − TRIM LEVEL VR Center
1K − TRIM LEVEL VR MAX
1K − Level depth VR Center
1K − TRIM LEVEL VR Center
1K 10 kΩ MASTER LEVEL VR Center
1K 10 kΩ BOOTH LEVEL VR Center
1K 10 kΩ
1K 10 kΩ
32 Ω
1K HP LEVEL Center
75 Ω
1K
CH1_L, R (CD, LINE)
2-2
V: 1 V/div. H: 200 μs/div.
DJM-850-K
3
4
Other Settings
−
−
−
Center all EQs
−
−
Center all EQs/FADER Max
Center all EQs/FADER Max
−
Center all EQs/FADER Max
−
Center all EQs/FADER Max
Center all EQs/FADER Max
−
Center all EQs/FADER Max
CH1_L, R (PHONO)
2-3
V: 20 mV/div. H: 200 μs/div.
4