Panasonic SA-BX500PP, Руководство по обслуживанию

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6 Self-Diagnosis and Display Function
This unit is equipped with the self diagnosis display function, which alarms faulty operation with error code. Use this function during
servicing.
6.1. Automatically Displayed Error Codes
An error code automatically appears on the display (FL Display) when faulty operation is detected. Refer to Fig. 6.1.
Fig 6.1
6.2. Display Details
6.2.1. Display Details Table 1
Refer to the following table.
LCD Display Symptom Cause and Remedy
Overload Speaker short, amplifier failure Speaker short and failure in power amplifier, pre-
amplifier circuit. Check for faulty parts and
replace with new parts if necessary.
Temperature protection activated
F61 The abnormalities in an output or power
supply circuit of POWER AMP In normal operation, when DCDET2 goes to “L”
(Low) (Not during POWER OFF condition), F61
appears on FLDisplay for 1 second and PCONT
goes to “L” (Low). This is due to speaker output
has DC voltage or fan is not working.
F70 Communication error between sub
microprocessor and its peripheral LSI
Failure sub microprocessor and its peripherals
LSI. Check for faulty parts and replace with new
parts if necessary.
F76 When the power is turned on, the unit
power automatically turns off; the power
cannot be turned on Failure in the power circuit system of unit. This
may happen when the direct current electricity is
supplied to speaker terminals. Check for the
above and replace with new parts if necessary.
6.2.2. Display Details Table 2
Refer to the following table.
Message Cause/countermeasure
U701 The equipment connected by the HDMI cable is
not compatible with the unit’s copyright protection
technology.
U703 Should anything unusual happen using an HDMI
connection:
Consult your dealer if the sign remains on the
display after these steps.
O
Turn the connected equipment off and on
again.
O
Pull out the HDMI cable then reinsert it.
O
Reduce the number of equipment connected in
series to the HDMI terminal if exceeding 2 units.
U704 The unit has received a signal for a picture format
that is incompatible with the HDMI connection.
Check the settings of the connected equipment.
REMOTE 1 or REMOTE 2 Match the modes on the main unit and the remote
control.
CANCEL MUTING FUNCTION Muting is on.
Press [MUTING] on the remote control to cancel
the function.
NO C AND LS/RS SPEAKERS Center and surround speakers are set as absent.
Change their setting to present.
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SA-BX500PP