Pioneer CDJ-200 Service Manual page 69

5
BH2220FVM (MAIN ASSY : IC109)
• 8-bit 3ch D/A Converter IC
Block Diagram
R-2R
1
AO1
DAC
R-2R
AO2 2
DAC
R-2R
AO3 3
DAC
4
V CC
Power on reset
Pin Function
No. Pin Name I/O
1 AO1 O Analog output
2 AO2 O Analog output
3 AO3 O Analog output
−
4 VCC
Power supply
−
Ground
5 GND
6 DI I Serial data input
7 CLK I Serial clock input
8 LD I Serial data load input
5
6
8bitREG
+
DEC
8bitREG
Serial
+
Interface
DEC
8bitREG
+
DEC
Pin Function
CDJ-200
6
7
8
LD
7 CLK
6 DI
5
GND
7
8
A
B
C
D
E
F
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