CD-SW200
7 – 2
Although a CD is inserted and the cover is closed, "NO DISC" is
displayed.
(1) Focus-HF system check.
Press the Tray1 CD Eject Button without inserting a disc, and try
starting the playback operation.
Figure 1
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. Does the pickup move to the PICKUP-IN Switch (NSW1) posi-
tion ?
No
Sled motor (NM2).
Yes
2. Does the focus (lens) move up and down ?
(Waveform drawing Figure 1)
No
Check the focus peripheral circuit.
Yes
3. Is the laser lit ?
No
Check the laser diode driver Q1 peripheral circuit.
Yes
4. Is the turntable rotating ?
No
Spindle motor (NM1).
When a disc is loaded, start playback operation.
1. Is focus servo activated ?
(Waveform drawing Figure 2)
No
Pins 5~9, 11, 18 and 19 on IC1
Check the laser diode driver Q1 peripheral circuit.
Yes
2. Is the HF waveform normal ?
(Waveform drawing Figure 3)
No
If the level is not normal.
Figure 2
T
FDO
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
Figure 3
Vp-p=1.0 V~1.3 V
0.5 mV/div,0.5 µsec/div
Summary of Contents for CD-SW200
Page 12: ...CD SW200 2 7 APPLY GREASE PULL THE LEVER UNITIL REACH THE ARROW MARK 143 112 3 ...
Page 13: ...CD SW200 2 8 FIGURE 1 FIGURE 2 APPLY GREASE SLOT CLAMP SW ARM INSIDE BASE SLOT 152 142 118 4 ...
Page 15: ...CD SW200 2 10 APPLY GREASE AT HALF GEAR AREA ROTATE CLOCKWISE UNTIL REACH HERE MAXIMUM 6 129 ...
Page 16: ...CD SW200 2 11 CHANGE COLOR TO BLACK 150 151 148 7 ...
Page 19: ...CD SW200 2 14 10 148 147 146 145 ...
Page 20: ...CD SW200 2 15 APPLY GREASE WHEN FIXING ITEM 2 MUST FOLLOW AS SHOWN 121 144 130 11 ...
Page 21: ...CD SW200 2 16 FIGURE 1 FIGURE 3 FIGURE 2 APPLY GREASE SC141 APPLY GREASE 117 12 ...
Page 29: ...CD SW200 2 24 BIG SLOT FACING OUT 110 20 ...
Page 33: ...CD SW200 2 28 804 24 SCREW TORQUE 3 kgf cm 0 5 0 ...
Page 41: ...CD SW200 2 36 NO GAP HAVE GAP O K N G 32 ...
Page 48: ...CD SW200 3 7 MOME ...
Page 55: ...CD SW200 5 4 M E M O ...
Page 121: ...CD SW200 MEMO ...
Page 122: ...CD SW200 MEMO ...