Panasonic DMR-EX93CEG, Service Manual

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U80 ST Microprocessor
Communication Error on
Timer
Bus Display appears when ST Microprocessor
Communication Error on Timer Bus occurs. No display
U80 is displayed till the [POWER]
key is pressed.
U81 ST Microprocessor
Communication Error on
UART Display appears when ST Microprocessor
Communication Error on DART occurs. No display
U81 is displayed till the [POWER]
key is pressed.
U88 The unit is carrying out its
recovery process. No display
U99 Hang-up Displayed when communication error has
occurred between Main microprocessor and
Timer microprocessor. No display
Displayed is left until the [POWER]
key is pressed.
H19 02 Inoperative fan motor When inoperative fan motor is detected after
powered on, the power is turned off automati-
cally.
The event is saved in memory. No display No display
F00 No error information Initial setting for error code in memory
(Error code Initialization is possible with error
code initialization and main unit initialization.) No display No display
F58 Drive hardware error When drive unit error is detected, the event is
saved in memory. No display No display
F34 Initialization error when main
microprocessor is started up
for program recording When initialization error is detected after start-
ing up main microprocessor for program
recording, the power is turned off automati-
cally.
The event is saved in memory. No display No display
F74 HDMI Device Key Communi-
cation error. HDMI connection could not be authenticated
due to a transfer malfunction.
Factor of HDMI Device key-road failure
• When HDMI LSI is damaged.
• When the bus line of I2C doesn't operate
normally.
• When device key information recorded is
damaged.
No display
F75 HDMI Device Key Information
error HDMI connection could not be authenticated
due to an internal data malfunction.
Factor of HDMI Device key-road failure
• When HDMI LSI is damaged.
• When the bus line of I2C doesn't operate
normally.
• When device key information recorded is
damaged.
No display
UNSUP-
PORT Unsupported disc error *An unsupported format disc was played,
although the drive starts normally.
*The data format is not supported, although
the media type is supported.
*Exceptionally in case of the disc is dirty. “This disc is
incompatible.” Display for 5 seconds.
The character indication flows side-
ways.
NO READ Disc read error *A disc is flawed or dirty.
*A poor quality failed to start.
*The track information could not be read. “Cannot read.
Please check the
disc.”
Error Code Diagnosis contents Description Monitor Display Automatic FL display