Overall Block Diagram_2 - Pioneer DJM-800 Service Manual

1

3.2 OVERALL BLOCK DIAGRAM_2

I
DSP BLOCK DIAGRAM
A
DJM-800 Audio DSP
CHn In CH1-CH4 COMMON
Digital Trim
Digital in
Analog in
Input of digital / analog is set by SelectSW
B
2Band
MIC1,2 In
MIC
EQ
C
FPGA
[Dual PortRAM]
Logic
Bus
D Send Out
EFFECTS
(SND/RTN)
Return In
/// BEAT EFFECT (SND/RTN) ///
EFFECT CH SELECT
CH1 4
–
CF_A/B
MIC
Master
E
Return In
/// BEAT EFFECT (Other) ///
EFFECT CH SELECT
CH1 4
–
CF_A/B
F
MIC
Master
14
1
2
BPM
3Band BEAT
COLOR
EFFECTS
detect
CHn EFFECTS
[CHx(pre)]
[ch1–4]
CHx EQ
∗1
Send
Return
[CHx]
MIC SW
Off
MIC1,2
On
MIX
TalkOver
3-possi.
• Mode
CPU
• Volume data
I/F
• Switch data
• CH Fader position
• CF Fader position
• Control Command
EFFECT CH SELECT
CH1 4
–
BEAT
CF_A/B
MIC
Master
No Cable
Return Level
Cable Exist
CableCheck
EFFECT Processor MIX RATIO
2
3
CHn Fader
CUE
BEAT
Monitor EFFECTS
[CHx(post)]
[CHx]
∗2,3
CH
∗2,3,4
Fader
Curve
3-possi.
CHx Level Meter
Master
Balance
BPM
BEAT
detect
MIC Data
EFFECTS
[MIC]
[MIC]
∗5
Send
Return
[MIC]
∗2,4
MIC
Talk Over On/Off
Filter
SEND Out
Effect SW
Effect Out
EFFECT CUE
Effect SW
Effect Out
EFFECT CUE
DJM-800
3
4
CF Assign
Thru
CF_A
CF_B
CHx
3-possi.
+
CROSS
Fader
CHx
+
Cross
Fader
Curve
3-possi.
/// COLOR EFFECT (Harmonic) ///
CH1 4 In Friqency Counter
–
EFFECT Processor
Effect Contror (from CPU)
/// COLOR EFFECT (Others) ///
CH1 4 In EFFECT Processor
–
4
BPM
Send
detect Return
[CF_A]
[CF_A]
∗5 ∗4
BPM
Send
detect Return
[CF_B]
[CF_B]
∗5 ∗4
∗1 : Ch1
∗2 : Boil
∗3 : Pos
∗4 : I do
∗5 : I de
S
CH1
CH1
–