Pioneer CDJ-100S Service Manual page 18

1
CDJ-100S
QQ
3 7 63 1515 0
3.4 MOTHER BOARD ASSY (3/3)
Waveforms
9
TP – STA +
PLAY MODE
A
0
TP – STA – 5 V/div, 5 µs/div
9
0
%
TP – RST : POWER ON
2 V/div, 5 ms/div
%
B
%
TP – RST : POWER OFF
2 V/div, 10 ms/div
TE
L 13942296513
%
^
TP – RST3 : POWER ON
2 V/div, 1 µs/div
C
^
^
TP – RST3 : POWER OFF
2 V/div, 200 ms/div
^
www
D
B
3/3
18
1
http://www.xiaoyu163.com
2
– GND
– GND
– GND
– GND
IC901 IC902
(NJM2904M) (NJM2904M)
Pin No. Voltage [ V ] Pin No.
1
2
+2.5
– GND 3
4 0
5 +2.4
6 +2.5
7 +2.2
8 +4.9
Set: DJ MODE PLAY
– GND
x ao
y
. i
2
http://www.xiaoyu163.com
3
8
MOTHER BOARD ASSY (3/3)
B
3/3
(DWM2078: KUC type)
(DWM2079: RL and WY types)
STEPPING DRIVE
10 9
AUTO TRACKING BALANCE
Q Q
3 6 7 1 3
Voltage [ V ]
1 +2.2
2
+2.5
3
4 0
5
+2.5
6
7 +2.6
8 +7.4
u163
.
3
4
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
m
co
B
2/3
4
9 9
2 8 9 9
18