Panasonic SA-PT480PH Service Manual page 30

6.4.3. Power Supply & Digital Amplifier Error Code Table
Error
Diagnosis Contents
Code
F61 The abnormalities
in the D-Amp related
problem (over-
temperature/shutdown)
F76 Abnormality in the
output voltage of
stabilized power
supply
Description of error
In normal operation, when DCDET2 goes
to "L" (Low) (Not during POWER OFF
condition), F61 appears on FL Display
for 1 second and PCONT goes to
"L" (Low).This is due to speaker output
has DC voltage.
In normal operation when DCDET1 is
detected "L" (Low) for two consecutive
times, F76 is displayed on FL for
1 second and after that PCONT will be
turned to "L" (Low). This is due to any of
the DC voltages (+9V, +7V, -7V, +5V,
+5.3V etc.) not available.
Automatic FL Display
30
Remarks
Press [ STOP] on main
unit for next error.
Press [ STOP] on main
unit for next error.