Panasonic SA-BX500PP, Service Manual

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“shorted”, or if speaker systems with an impedance less than the indicated rated impedance of the amplifier are used.
If this occurs, follow the procedure outlines below:
1. Turn off the power.
2. Determine the cause of the problem and correct it.
3. Turn on the power once again after one minute.
Note:
When the protection circuitry functions, the unit will not operate unless the power is first turned off and then on again.
1.4. Safety Parts Information
Safety Parts List:
There are special components used in this equipment which are important for safety.
These parts are marked by
in the Schematic Diagrams & Replacement Parts List. It is essential that these critical parts
should be replaced with manufacturer’s specified parts to prevent shock, fire or other hazards. Do not modify the original design
without permission of manufacturer.
Table 1
Ref. No. Part No. Part Name & Description Remarks
14 REXX0640-J BLACK WIRE (SMPS-AC) [M]
15 REXX0641-J RED WIRE (SMPS-AC) [M]
19 RGR0385A-D1 REAR PANEL [M]
30 RKM0603-K TOP CABINET [M]
A2 K2CB2CB00021 AC CORD [M]
PCB16 REPX0622Q SMPS P.C.B [M] (RTL)
PCB17 REPX0622Q AC INLET P.C.B. [M] (RTL)
DZ5701 ERZV10V511CS ZNR [M]
L5701 ELF15N035AN LINE FILTER [M]
L5702 ELF22V035E LINE FILTER [M]
L5703 ELF22V035E LINE FILTER [M]
T5701 ETS42BM19GAC SWITCHING TRANSFORMER [M]
T5751 ETS19AB281AG BACKUP TRANSFORMER [M]
T7001 G4D1A0000094 SWITCHING TRANSFORMER [M]
PC5701 B3PBA0000402 PHOTO COUPLER [M]
PC5702 B3PBA0000402 PHOTO COUPLER [M]
PC5720 B3PBA0000402 PHOTO COUPLER [M]
PC5799 B3PBA0000402 PHOTO COUPLER [M]
F1 K5D802APA008 FUSE [M]
IP7001 K5H7512A0010 IC PROTECTOR [M]
TH5701 D4CAA2R20001 THERMISTOR [M]
TH5860 D4CC11040013 THERMISTOR [M]
P5701 K2AB2B000011 AC INLET [M]
C5700 F1BAF1020020 1000pF [M]
C5701 ECQU2A104MLC 0.1uF [M]
C5702 ECQU2A104MLC 0.1uF [M]
C5703 ECQU2A104MLC 0.1uF [M]
C5704 F1BAF1020020 1000pF [M]
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SA-BX500PP