Matsushita Electric SL-PG4, Руководство по обслуживанию

Страница: 20 / 62

Table 7-1.
FL
error
code /
display
Symptom Probable cause Signal to check Normal voltage and
waveform / values
Signal
name
Location PLAY STOP
E00 Normal ----- ----- ----- ----- -----
E01 Focus and
tracking
offset
adjustments
has not been
completed in
the specified
time period.
1. IC702’s clock input X1 IN, IC702’s power
supply (V
DD
) or its reset (/RST) is invalid.
2. Any signal MDATA, MCLK, MLD or SENSE
to/from IC601 are invalid.
MDATA IC702-pin 8 0 V
MCLK IC702-pin 7 3.3 V
MLD IC702-pin 9 3.3 V
/RST IC702-pin
18
3.3 V 3.3 V
X1 IN IC702-pin
58
X2 OUT IC702-pin
59
E02,
E03,
E05,
E06,
E07,
E09,
E0A,
E0B,
E0D,
E0E,
E0F The test disc
does not play
consistently.
1. The disc is scratched or dirty.
2. Focus or tracking servo is malfunctioning
(Check waveforms voltages and circuit
constants).
3. Spindle driver is malfunctioning.
4. Optical pickup is malfunctioning.
FE IC702-pin
32
1.6 V
TE IC702-pin
33
1.6 V
FOD IC702-pin
28
1.6 V 1.6 V
TRD IC702-pin
27
1.6 V 1.6 V
/RFDET IC702-pin
38
0 V 3.3 V
RF TJ701 0.9 V
STAT IC702-pin
17
3.2 V 0 V
FL
error
code /
display
Symptom Probable cause Signal to check Normal voltage and
waveform / values
Signal
name
Location PLAY STOP
20