Casio QV-70B, Service Manual And Parts List

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WAVEFORMS
QV-70B QV-70C
1 IC100 pin 5 2 Q100 collector 3 IC101 pin 5
4 Q101 collector
5 IC300 pin 10 6 IC300 pin 21
7 IC300 pin 20
8 IC300 pin 39
9
IC300 pin 36
0
IC300 pin 30
A IC500 pin 5 (Switch to the
REC position.)
B
T500 pin 1 (Switch to the
REC position.)
C T500 pin 5 (Switch to the
REC position.)
D
T500 pin 8 (Switch to the
REC position.)
6
µ
sec 6.4
µ
sec
6
µ
sec
63.5
µ
sec 63.5
µ
sec
63.5
µ
sec
0.8 V
0.7 V
4.4 V
1.0 V
4.8 V
6.4
µ
sec
125
µ
sec 63.5
µ
sec
125
µ
sec
4.8
µ
sec 4.8
µ
sec
4.4
µ
sec 4.8
µ
sec
4.4 V
4.0 V
6.0 V
0.8 V
10 V
44 V
22 V
10.1 V
6.8 V
1 IC100 pin 5 2 Q100 collector 3 IC101 pin 5
4 Q101 collector
5 IC300 pin 10 6 IC300 pin 47
7 IC300 pin 20
8 IC300 pin 39
9
IC300 pin 36
0
IC300 pin 30
A IC500 pin 5 (Switch to the
REC position.)
B
T500 pin 1 (Switch to the
REC position.)
C T500 pin 5 (Switch to the
REC position.)
D
T500 pin 8 (Switch to the
REC position.)
6
µ
sec 6.4
µ
sec
6
µ
sec 64
µ
sec 64
µ
sec
64
µ
sec
0.8 V
0.7 V
4.4 V
1.0 V
4.8 V
6.4
µ
sec
125
µ
sec
64
µ
sec
125
µ
sec
4.8
µ
sec 4.8
µ
sec
4.4
µ
sec 4.8
µ
sec
4.4 V
4.0 V
6.0 V
0.8 V
10 V
44 V
22 V
10.1 V
6.8 V