Panasonic SB-ZT1GN, Service Manual

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Fig. 3
8.4. Inspection Mode
FL display Symptom Cause and Remedy
F61/OVERLOAD Speaker short, amplifier failure, electrical over-
load etc. Speaker short and failure in power amplifier, pre-amplifier
circuits. Check for faulty parts and replace with new parts if
necessary.
Humidity protection activated
FANLOCK Fan stopped Failure fan and fan control circuits. Check for faulty parts
and replace with new parts if necessary.
F70 Communication error between sub micro- pro-
cessor and its peripheral LSI Failure sub-micro processor 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 the unit. This may
happen when the direct current electricity is supplied to
speaker terminals. Check that the speaker wires are not
shorted (bare wire touching each other) or that the unit is in
a hot enviroment without proper ventillation.
Remote 2
Remote 1 Main unit code setting problem with remote
control. Set the same remote control code for this system and
remote control.
• If “REMOTE 2” is displayed, set remote control code to
“2”.
• If “REMOTE 1” is displayed, set remote control code to
“1”.
U701 HDMI does not work properly. The equipment connected by the HDMI cable is not com-
patible with this system’s copyright protection technology.
U704 HDMI does not work properly. The system is receiving video signals that are incompatible
with it through HDMI connection. Check the settings of the
connected equipment.
U703 A problem has occured with the HDMI connec-
tion. A problem has occurred with the HDMI connection. Try the
following to correct the problem. Consult your dealer if the
error code remains on the display.
• Turn the connected equipment off and on again.
• Disconnect the HDMI cable then reconnect it.
• Do not connect more than 2 equipment in series to the
output of this system.
NOT POSSIBLE FOR THIS INPUT
SOURCE
(Scrolling) Input signals are automatically cancelled. You cannot use Dolby Virtual Speaker, Dolby Pro Logic II
and SFC for dual sounds.
NOT POSSIBLE FOR THIS PCM
SOURCE
(Scrolling) Input signals are automatically cancelled. You cannot use Dolby Virtual Speaker, Dolby Pro Logic
and SFC effect with PCM signals with sampling frequency
over 48 kHz.
SFC is not available for multi-channel LPCM signal.
Remote Control Test Mode Function and settings
Selector Sound Mode Other settings Vol/Tone
SPEAKE LEVEL - AUX 4 STEREO Analog -18dB/0dB
SPEAKER LEVEL
CH
AUX 3 STEREO E2 : OPT2, Others : Analog -18dB/0dB
ENTER(OK) TV STEREO Digital (OPT1) -48dB/0dB
SFC MUSIC AUX 2 STEREO Digital (E2 : CAOX, Others : OPT2) -48dB/0dB
MUTE All indicators of FL are displayed. All LED are off.
Note: After this setting, only “POWER” button or “Checker Command” code by the remote control can be entered.
VOL + Check Main μ P software version.
Display [M---- ****]; ---- is current version; **** is current checksum. If no ROM correction, [NO] is displayed.
* Volume is still increased but not displayed.
VOL - Check HDMI uP software Version.
Display [H---- ^^^^^]; ---- is current version.
* Volume is still increased but not displayed.