Sharp MD-M3 Service Manual download pdf (Page 54)

MD-M3/M1

– 54 –

WAVEFORMS OF CD CIRCUIT

T

FDO

TDO

Stopped

CH1=500mV

DC 10:1

CH3=500mV

DC 10:1

500ms/div

(500ms/div)

NORM:20kS/s

1

3

=Record Length=

Smoothing : ON CH1 : 0.000V

CH2 : 0.0V

Main : 100K

Zoom : 2K

Mode : AUTO

Type : EDGE CH1

Delay : 0.0ns

Hold off : 0.2us

CH3 : 0.000V

CH4 : 0.00V

BW : FULL

=Trigger==Filter= =Offset=

CH1

v/DIV

500mV

1

IC2 24

2

IC2 23

T

FDO

DRF

TE

Stopped

CH1=500mV

DC 10:1

CH2=10V

DC 10:1

CH3=1V

DC 10:1

500ms/div

(500ms/div)

NORM:20kS/s

1

2

3

=Record Length=

Smoothing : ON CH1 : 0.000V

CH2 : 0.0V

Main : 100K

Zoom : 2K

Mode : AUTO

Type : EDGE CH1

Delay : 0.0ns

Hold off : 0.2us

CH3 : 0.00V

CH4 : 0.00V

BW : FULL

=Trigger==Filter= =Offset=

-3div -1div 0div +1div +3div

CH Position To

CH2

Position

0.20div

1

IC2 24

3

IC2 72

4

IC1 18 ,

IC2 16

Vp-p=1.0V~1.3V

0.5mV/div,0.5µsec/div

5

IC1 27

T

T

TE

DRF

Stopped

CH1=10V

DC 10:1

CH2=1V

DC 10:1

100ms/div

(100ms/div)

NORM:100kS/s

2

1

=Record Length=

Smoothing : ON CH1 : 0.0V

CH2 : 0.00V

Main : 100K

Zoom : 2K

Mode : NORMAL

Type : EDGE CH1

Delay : 2.924ms

Hold off : 0.2us

CH3 : 0.00V

CH4 : 0.00V

BW : FULL

=Trigger=

=Filter= =Offset=

3

IC2 72

4

IC1 18 ,

IC2 16

T

T

FDO

SPDO

Stopped

CH1=200mV

DC 10:1

CH2=500mV

DC 10:1

500ms/div

1999/04/07 09:51:15

(500ms/div)

NORM:20kS/s

2

1

=Record Length=

Smoothing : ON CH1 : 0.000V

CH2 : 0.000V

Main : 100K

Zoom : 2K

Mode : NORMAL

Type : EDGE CH2

Delay : 2.924ms

Hold off : 0.2us

CH3 : 0.00V

CH4 : 0.00V

BW : FULL

=Trigger=

=Filter= =Offset=

1

IC2 24

6

IC2 25

T

FDO

PDO2

PDO1

Stopped

CH1=500mV

DC 10:1

CH3=1V

DC 10:1

CH4=1V

DC 10:1

500ms/div

(500ms/div)

NORM:20kS/s

1

4

3

=Record Length=

Smoothing : ON CH1 : 0.000V

CH2 : 0.0V

Main : 100K

Zoom : 2K

Mode : AUTO

Type : EDGE CH2

Delay : 0.0ns

Hold off : 0.2us

CH3 : 0.00V

CH4 : 0.00V

BW : FULL

=Trigger==Filter= =Offset=

CH1

v/DIV

500mV

1999/04/05 17:33:17

1

IC2 24

7

IC2 1

8

IC2 2

T

T

DOUT

Stopped

CH1=2V

DC 10:1

500ns/div

1999/04/07 09:25:28

(500ns/div)

NORM:200MS/s

1

=Record Length=

Smoothing : ON CH1 : 0.00V

CH2 : 0.00V

Main : 1K

Zoom : 100

Mode : NORMAL

Type : EDGE CH1

Delay : 2.887ms

Hold off : 0.2us

CH3 : 0.00V

CH4 : 0.00V

BW : FULL

=Trigger=

=Filter= =Offset=

9

R87,88

T

T

DATA

DATACK

LRSY

Stopped

CH1=2V

DC 10:1

CH2=2V

DC 10:1

CH3=2V

DC 10:1

5us/div

(5us/div)

NORM:100kS/s

1

2

3

=Record Length=

Smoothing : ON CH1 : 0.00V

CH2 : 0.00V

Main : 5K

Zoom : 100

Mode : AUTO

Type : EDGE CH3

Delay : 0.0ns

Hold off : 0.2us

CH3 : 0.00V

CH4 : 0.00V

BW : FULL

=Trigger==Filter= =Offset=

CH3

v/DIV

2 V

1999/04/05 20:50:17

10

CNP13 1

(For MD-M3)

IC2 57

(For MD-M1)

(For MD-M3)

IC2 58

(For MD-M1)

(For MD-M3)

IC2 59

(For MD-M1)

11

CNP13 2

12

CNP13 4

T

T

EFBL

FDO

TE

Stopped

CH1=500mV

DC 10:1

CH2=200mV

DC 10:1

CH3=1V

DC 10:1

500ms/div

(500ms/div)

NORM:20kS/s

1

2

3

=Record Length=

Smoothing : ON CH1 : 0.000V

CH2 : 0.000V

Main : 100K

Zoom : 2k

Mode : SINGLE

Type : EDGE CH1

Delay : 0.0ns

Hold off : 0.2us

CH3 : 0.00V

CH4 : 0.00V

BW : FULL

=Trigger==Filter= =Offset=

CH2

v/DIV

200mV

1999/04/05 20:26:47

1

IC2 24

4

IC1 18 ,

IC2 16

IC1 13 ,

IC2 22

13

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