Sharp CD-MPS777H, Service Manual

Page: 53 / 100

CD-MPS777H
5 – 2
[3] Waveforms of CD circuit
T
T
DATA
DATACK
LRSY
Stopped
CH1=2 V
DC 10:1
CH2=2 V
DC 10:1
CH3=2 V
DC 10:1
5 µs/div
(5 µs/div)
NORM:100 kS/s
1
2
3
=Record Length=
Smoothing : ON CH1 : 0.00 V
CH2 : 0.00 V
Main : 5 K
Zoom : 100
Mode : AUTO
Type : EDGE CH3
Delay :
0.0 ns
Hold off : 0.2 µs
CH3 : 0.00 V
CH4 : 0.00 V
BW : FULL
=Trigger= =Filter= =Offset=
CH3
v/DIV
2 V
1999/04/05 20:50:17
10
IC1 57
IC1 58
IC1 59
11
12
T
T
DOUT
Stopped
CH1=2 V
DC 10:1
500 ns/div
1999/04/07 09:25:28
(500 ns/div)
NORM:200 MS/s
1
=Record Length=
Smoothing : ON CH1 : 0.00 V
CH2 : 0.00 V
Main : 1 K
Zoom : 100
Mode : NORMAL
Type : EDGE CH1
Delay :
2.887 ms
Hold off : 0.2 µs
CH3 : 0.00 V
CH4 : 0.00 V
BW : FULL
=Trigger= =Filter= =Offset=
9
IC1 39
T
FDO
PD02
PD01
Stopped
CH1=500 mV
DC 10:1
CH3=1 V
DC 10:1
CH4=1 V
DC 10:1
500 ms/div
(500 ms/div)
NORM:20 kS/s
1
4
3
=Record Length=
Smoothing : ON CH1 : 0.000 V
CH2 : 0.0 V
Main : 100 K
Zoom : 2 K
Mode : AUTO
Type : EDGE CH2
Delay :
0.0 ns
Hold off : 0.2 µs
CH3 : 0.00 V
CH4 : 0.00 V
BW : FULL
=Trigger= =Filter= =Offset=
CH1
v/DIV
500 mV
1999/04/05 17:33:17
1
IC1 21
7
IC1 76
8
IC1 77
T
T
FDO
SPDO
Stopped
CH1=200 mV
DC 10:1
CH2=500 mV
DC 10:1
500 ms/div
1999/04/07 09:51:15
(500 ms/div)
NORM:20 kS/s
2
1
=Record Length=
Smoothing : ON CH1 : 0.000 V
CH2 : 0.000 V
Main : 100 K
Zoom : 2 K
Mode : NORMAL
Type : EDGE CH2
Delay :
2.924 ms
Hold off : 0.2 µs
CH3 : 0.00 V
CH4 : 0.00 V
BW : FULL
=Trigger= =Filter= =Offset=
1
IC1 21
6
IC1 24
T
T
TE
DRF
Stopped
CH1=10 V
DC 10:1
CH2=1 V
DC 10:1
100 ms/div
(100 ms/div)
NORM:100 kS/s
2
1
=Record Length=
Smoothing : ON CH1 : 0.0 V
CH2 : 0.00 V
Main : 100 K
Zoom : 2 K
Mode : NORMAL
Type : EDGE CH1
Delay :
2.924 ms
Hold off : 0.2 µs
CH3 : 0.00 V
CH4 : 0.00 V
BW : FULL
=Trigger= =Filter= =Offset=
3
IC1 68
4
IC1 17
Vp-p=1.0 V~1.3 V
0.5 mV/div,0.5 µsec/div
5
IC1 4
T
FDO
DRF
TE
Stopped
CH1=500 mV
DC 10:1
CH2=10 V
DC 10:1 CH3=1 V
DC 10:1
500 ms/div
(500 ms/div)
NORM:20 kS/s
1
2
3
=Record Length=
Smoothing : ON CH1 : 0.000 V
CH2 : 0.0 V
Main : 100 K
Zoom : 2 K
Mode : AUTO
Type : EDGE CH1
Delay :
0.0 ns
Hold off : 0.2 µs
CH3 : 0.00 V
CH4 : 0.00 V
BW : FULL
=Trigger= =Filter= =Offset=
-3 div -1 div 0 div +1 div +3 div
CH Position To
CH2
Position
0.20 div
1
IC1 21
3
IC1 68
4
IC1 17
T
FDO
TDO
Stopped
CH1=500 mV
DC 10:1
CH3=500 mV
DC 10:1
500 ms/div
(500 ms/div)
NORM:20 kS/s
1
3
=Record Length=
Smoothing : ON CH1 : 0.000 V
CH2 : 0.0 V
Main : 100 K
Zoom : 2 K
Mode : AUTO
Type : EDGE CH1
Delay :
0.0 ns
Hold off : 0.2 µs
CH3 : 0.000 V
CH4 : 0.00 V
BW : FULL
=Trigger= =Filter= =Offset=
CH1
v/DIV
500 mV
1
IC1 21
2
IC1 22