Pioneer CDJ-100S Service Manual page 16

1
CDJ-100S
3.3 MOTHER BOARD ASSY (2/3)
MOTHER BOARD ASSY (2/3)
B
2/3
(DWM2078: KUC type)
A
(DWM2079: RL and WY types)
B
1/3
B
C
D
B
2/3
16
1
2
DRAM (512k × 8 bit)
DSP
2
3
SIGNAL ROUTE
: RF and Audio Signal Route
IC402 (MB814800–70PJ)
1 2 3 4 5 6 7
Pin No.
Voltage [ V ] +4.9 0 to +5 0
15 16 17 18 19 20 21 22 23 24 25 26 27 28
Pin No.
Voltage [ V ]
0 0 to +5 0
!
IC401 Pin 24 (SDA)
@
IC401 Pin 25 (SCL)
PLAY MODE 5 V/div, 20 µs/div
!
@
3
4
Set: DJ MODE PLAY
8 9 10 11 12 13 14
0 to +5 +4.9
0 to +5 0
– GND
– GND
14 15
4