Dvd) Self-Diagnosis And Special Mode Setting; Dvd) Self-Diagnosis Functions - Panasonic DMR-EH80VEG Service Manual

12 (DVD) SELF-DIAGNOSIS AND SPECIAL MODE SETTING

12.1. (DVD) SELF-DIAGNOSIS FUNCTIONS

Self-Diagnosis Function provides information for errors to service personnel by "Self-Diagnosis Display" when any error has
occurred.
U**, H** and F** are stored in memory and held.
Display on FL will be cancelled when the power is turned off or AC input is turned off during self-diagnosis display is ON.
Error Diagnosis contents
Code
U30 Remote control code error
U59 Abnormal inner temperature
detected
U80 ST Microprocessor
Communication Error on
Timer Bus
U81 ST Microprocessor
Communication Error on
UART
U99 Hang-up
H19 Inoperative fan motor
F00 No error information
F09 Serial Communication Error
between VHS Micropressor
and Timer Microprocessor
F34 Initialization error when main
microprocessor is started up
for program recording
F58 Drive hardware error
F60 DVD module has not been
started.
Description
Display appears when main unit and remote
controller codes are not matched.
Display appears when the drive temperature
exceeds 70°C.
The power is turned off forcibly.
For 30 minutes after this, all key entries are
disabled. (Fan motor operates at the highest
speed for the first 5 minutes. For the
remaining 25 minutes, fan motor is also
stopped.) The event is saved in memory as
well.
Displayed appears when ST Microprocessor
Communication Error on Timer Bus occurs.
Displayed appears when ST Microprocessor
Communication Error on UART occurs.
Displayed when communication error has
occurred between Main microprocessor and
Timer microprocessor.
Display appears when inoperative fan motor
is detected after powered on.
The power is turned off when detecting.
Initial setting for error code in memory
(Error code Initialization is possible with error
code initialization and main unit
initialization.)
Please confirm Serial Communication
terminal of Microprocessor.
Note:
If F09 appears just after updating Firmware,
pull off and insert AC plug,
then it will disappear
Display appears when initialization error is
detected after starting up main
microprocessor for program recording. The
event is saved in memory.
The power is turned off when detecting.
Display appears when drive unit error is
detected. The event is saved in memory.
Defect of Digital P.C.B. .
Mode: No change
17
Monitor Display
No display
"*" is remote controller code of the
main unit.
Display for 5 seconds.
No display
"U59" is displayed for 30 minutes.
No display
"U80" is displayed till Power Key is
pressed.
No display
"U81" is displayed till Power Key is
pressed.
No display
Displayed is left until the [POWER]
key is pressed.
No display No display
No display No display
No display
No display No display
No display No display
No display
DMR-EH80VEG / DMR-EH80VEB
FL display