Technics SL-EH570, Руководство по обслуживанию, Страница: 29 / 60

file:///C|/Documents%20and%20Settings/Administrator/Plocha/SL-EH570/s0603000000.htm
6.3 Error code based on troubleshooting
TOP PREVIOUS NEXT
●
This unit is satisfactory if the error code is E00 and E02 .
●
Before testing, check that the test disc is free of scratches and optical pickup is clean.
FL error
code/display
Symptom Probable
cause
Signal to check Normal voltage and waveform values
Signal
name
Location PLAY STOP
E01 Focus and
tracking
offset
adjustments
not
completed
in the
specified
time
period. Clocks X1
IN and X2
OUT, power
supply VDD
and
reset/RST,
all on IC702.
MDATA,
MCLK,
MLD and
SENSE
signals
to/from
mechanism
controller. MDATA IC702-8
pin
0.3 V 0 V
MCLK IC702-7
pin
2.9 V
MLD IC702-9
pin
2.9 V
/RST IC702-
18 pin
2.9 V 2.9 V
X1 IN IC702-
58 pin
X2 OUT IC702-
59 pin
E03, E05,
E07, E09,
E0B, E0D,
E0F Disc play
unstable. Scratches or
contaminants
on disc
surface.
Focus and
Tracking
servo circuit
(check
waveforms,
voltages and
part values.)
Spindle
driver
circuit.
Optical
pickup. FE IC702-
32 pin
1.7 V
file:///C|/Documents%20and%20Settings/Administrator/Plocha/SL-EH570/s0603000000.htm (1 of 3) [25.4.2003 20:57:01]