Panasonic SA-HT990E Service Manual page 18

Error Diagnosis Contents
Code
U11 Focus servo error
H01 Tray loading error /
abnormality
H02 Spindle servo
error, DSC disc
motor error
H03 Traverse motor
error
H04 Tracking servo
error
H05 Seek timeout error
H15 Disc tray open
detection switch
(S9001) failure
H16 Disc tray close
detection switch
(S9001) failure
F61 Power digital amp
IC op & DC output
voltage abnormal.
F76 Power digital amp
IC op & DC output
voltage abnormal.
F500 DSC error
F501 DSC not Ready
error
F502 DSC Time out error Similar as F500
F503 DSC
communication
Failure
Description of error
Focus coil NG (OPU unit
abnormal)
The tray is not able to open
(Spindle servo, DSC (IC8251)
Spindle motor, CLV servo
error)
(Traverse motor, IC8251)
Tracking coil NG (OPU unit
abmormal)
Timeout of unit when seeking
time is reached
The disc tray cannot be
opened: it closes
spontaneously
The disc tray cannot be
closed: it opens
spontaneously
Upon power-on PCONT=
High, DCDET=Low
Speaker Jack shorted or amp
circuit
DSC (IC8251) stops in the
occurrence of servo error
(startup, focus error, etc.)
DSC-system computer
communication error
(Communication failure
caused by idling of DSC)
Communication error (result
error occurred although
communication command
was sent)
18
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