Chapter 5. Circuit Description; Waveforms Of Cd Circuit - Sharp XL-HP707 Service Manual

E XL-HP707 Market XLHP707 Service Manual Audio
CHAPTER 5.
CIRCUIT DESCRIPTION

[1] WAVEFORMS OF CD CIRCUIT

Stopped
CH1=500 mV
DC 10:1
T
FDO
1
IC1 21
1
TDO
2
IC1 22
3
=Filter= =Offset=
Smoothing : ON CH1 :
BW : FULL
CH2 :
CH3 :
CH4 :
Stopped
CH1=500 mV
DC 10:1
1
IC1 21
FDO
1
T
DRF
3
IC1 68 2
TE
4
IC1 17
3
-3 div -1 div
=Filter=
Smoothing : ON CH1 :
BW : FULL
CH2 :
CH3 :
CH4 :
5
IC1 4
Stopped
CH1=10 V
DC 10:1
TE
4
IC1 17
2
DRF
T
3
1
IC1 68
=Filter=
Smoothing : ON CH1 :
BW : FULL CH2 :
CH3 :
CH4 :
CH3=500 mV
500 ms/div
DC 10:1 (500 ms/div)
NORM:20 kS/s
CH1
v/DIV
500 mV
=Record Length= =Trigger=
0.000 V Main : 100 K Mode : AUTO
0.0 V Zoom : 2 K Type : EDGE CH1
0.000 V Delay : 0.0 ns
0.00 V Hold off : 0.2 µs
CH2=10 V CH3=1 V 500 ms/div
DC 10:1 DC 10:1 (500 ms/div)
NORM:20 kS/s
CH2
Position
CH Position To
0.20 div
0 div +1 div +3 div
=Offset= =Record Length= =Trigger=
0.000 V Main : 100 K Mode : AUTO
0.0 V Zoom : 2 K Type : EDGE CH1
0.00 V Delay : 0.0 ns
0.00 V Hold off : 0.2 µs
Vp-p=1.0 V~1.3 V
0.5 mV/div,0.5 µsec/div
T
CH2=1 V
100 ms/div
DC 10:1 (100 ms/div)
NORM:100 kS/s
=Offset= =Record Length= =Trigger=
0.0 V Main : 100 K Mode : NORMAL
0.00 V Zoom : 2 K Type : EDGE CH1
0.00 V Delay : 2.924 ms
0.00 V Hold off : 0.2 µs
Stopped
T
FDO
1
IC1 21
2
6 SPDO
IC1 24
1
=Filter=
Smoothing : ON
BW : FULL
Stopped
CH1=500 mV
DC 10:1
PDO1
7 3
IC1 76
4
8
PDO2
IC1 77
T
FDO
1
IC1 21
1
=Filter=
Smoothing : ON
BW : FULL
Stopped
CH1=2 V
T
9
IC1 39
1
DOUT
=Filter=
Smoothing : ON
BW : FULL
Stopped
CH1=2 V
10
IC1 57
1
LRSY
11
IC1 58
2
DATACK
12
IC1 59
T
3
DATA
=Filter=
Smoothing : ON
BW : FULL
5 – 1
T
1999/04/07 09:51:15
CH1=200 mV CH2=500 mV
DC 10:1 DC 10:1
=Offset= =Record Length=
CH1 : 0.000 V Main : 100 K Mode : NORMAL
CH2 : 0.000 V Zoom : 2 K Type : EDGE CH2
Delay :
CH3 : 0.00 V
CH4 : 0.00 V Hold off :
1999/04/05 17:33:17
CH3=1 V CH4=1 V
DC 10:1 DC 10:1
=Offset= =Record Length= =Trigger=
CH1 : 0.000 V Main : 100 K Mode : AUTO
CH2 : 0.0 V Zoom : 2 K Type : EDGE CH2
CH3 : 0.00 V Delay :
CH4 : 0.00 V Hold off :
T
1999/04/07 09:25:28
DC 10:1
=Offset= =Record Length=
CH1 : 0.00 V Main : 1 K Mode : NORMAL
CH2 : 0.00 V Zoom : 100 Type : EDGE CH1
Delay :
CH3 : 0.00 V
CH4 : 0.00 V Hold off :
T
1999/04/05 20:50:17
CH2=2 V CH3=2 V
DC 10:1 DC 10:1 DC 10:1
=Offset= =Record Length= =Trigger=
CH1 : 0.00 V Main : 5 K Mode : AUTO
CH2 : 0.00 V Zoom : 100 Type : EDGE CH3
CH3 : 0.00 V Delay :
CH4 : 0.00 V Hold off :
XL-HP707
500 ms/div
(500 ms/div)
NORM:20 kS/s
=Trigger=
2.924 ms
0.2 µs
500 ms/div
(500 ms/div)
NORM:20 kS/s
CH1
v/DIV
500 mV
0.0 ns
0.2 µs
500 ns/div
(500 ns/div)
NORM:200 MS/s
=Trigger=
2.887 ms
0.2 µs
5 µs/div
(5 µs/div)
NORM:100 kS/s
CH3
v/DIV
2 V
0.0 ns
0.2 µs