Panasonic DMR-BS785EG, Service Manual

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7 Service Mode
7.1. Self-Diagnosis and Special Mode Setting
7.1.1. 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.
You can check latest error code by transmitting [0] [1] of Remote Controller in Service Mode.
Automatic Display on LCD will be cancelled when the power is turned off or AC input is turned off during self-diagnosis display is
ON.
Error Code Diagnosis contents Description Monitor Display Automatic LCD display
U30 Remote control code error Display appears when main unit and
remote controller codes are not matched. No display
"*" is remote controller code of the
main unit.
Display for 5 seconds.
U50 Short circuit for Antenna
(LNBIN 1 and LNB IN 2) is
detected The terminal, antenna cable or dish is
short-circuit as for both LNB IN 1 and LNB
IN 2. Check the connection status. No display
U50 1 Short circuit for Antenna
(LNBIN 1) is detected The terminal, antenna cable or dish is
short-circuit as for LNB IN 1. Check the
connection status. No display
U50 2 Short circuit for Antenna
(LNBIN 2) is detected The terminal, antenna cable or dish is
short-circuit as for LNB IN 2. Check the
connection status. No display
U59 Abnormal inner temperature
detected Display appears when internal temperature
of deck reaches limit temperature.
The power is turned off forcibly.
For 30 minutes after this, all key entries are
disabled. (Fan motor operates at the high-
est speed for the first 5 minutes. For the
remaining 25 minutes, fan motor is also
stopped.) The event is saved in memory as
well. No display
U59 is displayed for 30 minutes.
U61 The unit is carrying out its
recovery process. No display
U71 HDMI incompatible error
(HDCP incompatible) Display this error when the equipment
(compatible with DVI such as TV, amplifier
etc.) connected to the unit by HDMI is
incompatible with HDCP.
*HDCP=High-bandwidth Digital Content
Protection No display
U72 HDMI connection error
(communication error) This error is displayed when there are any
communication problems with the unit and
the equipments (TV, amplifier etc.) con-
nected to the unit by HDMI. (or when there
is a problem with the HDMI cable) No display
U72 display disappears when error
has been solved by Power OFF/ON
of connecting equipment or by
inserting/removing of HDMI cable.