Technics SL-EH570 Service Manual page 29

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