Table of Contents
Advertisement
CD-M10000W/CP-M10000
(4) PLL system check.
When a disc is loaded, start play operation.
The HF waveform is normal, but the TOC data cannot be
read.
Check the PDO waveform. (Figure 44-1)
Check around pins 73~78 on IC1.
(5) Others.
The HF waveform is normal and the time is displayed
normally, but no sound is produced. Or the sound
has dropouts.
Is pin 52 (C2F) on IC1 "L" ?
1. When playing at normal speed.
Check the peripheral circuit at pin 39 (DOUT) on IC1 and
the waveform (Figure 44-2).
If OK, Check the unit.
All manuals and user guides at all-guides.com
No
Yes
Stopped
CH1=500 mV
DC 10:1
PDO1
3
4
PDO2
T
FDO
1
=Filter=
=Offset=
Smoothing : ON
CH1 :
BW : FULL
CH2 :
CH3 :
CH4 :
There are too many error flags on a damaged disc which
makes error correction impossible.
Check again using a known good disc.
T
Stopped
CH1=2 V
DC 10:1
T
1
DOUT
=Filter=
=Offset=
Smoothing : ON
CH1 :
0.00 V
BW : FULL
CH2 :
0.00 V
CH3 :
0.00 V
CH4 :
0.00 V
– 44 –
1999/04/05 17:33:17
CH3=1 V
CH4=1 V
500 ms/div
DC 10:1
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 CH2
0.00 V
Delay :
0.0 ns
0.2 µs
Hold off :
0.00 V
Figure 44-1
1999/04/07 09:25:28
500 ns/div
(500 ns/div)
NORM:200 MS/s
=Record Length=
=Trigger=
Main :
1 K
Mode : NORMAL
Zoom :
100
Type : EDGE CH1
Delay :
2.887 ms
0.2 µs
Hold off :
Figure 44-2
Advertisement
Table of Contents
