Panasonic SA-VK470EE, Руководство по обслуживанию

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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
18 RGRX0070L-B REAR PANEL [M]
36 RKMX0144-K TOP CABINET [M]
68 REXX0684 BLACK WIRE [M]
69 REXX0685 RED WIRE [M]
A2 K2CQ2CA00007 AC CORD [M]
PCB4 REPX0622Y SMPS P.C.B [M] (RTL)
PCB5 REPX0622Y AC INLET P.C.B [M] (RTL)
DZ5701 ERZV10V511CS ZNR [M]
L5701 ELF15N035AN LINE FILTER [M]
L5702 ELF22V035B LINE FILTER [M]
L5703 ELF22V020A LINE FILTER [M]
T2900 G4D1A0000117 SWITCHING TRANSFORMER [M]
T5701 ETS42BN1A6AD MAIN POWER TRANSFORMER [M]
T5751 ETS19AB256AG BACKUP SW TRANSFORMER [M]
PC5701 B3PBA0000402 PHOTO COUPLER [M]
PC5702 B3PBA0000402 PHOTO COUPLER [M]
PC5720 B3PBA0000402 PHOTO COUPLER [M]
PC5799 B3PBA0000402 PHOTO COUPLER [M]
F1 K5D502BNA005 FUSE [M]
FP2901 K5G401A00008 FUSE PROTECTOR [M]
TH5701 D4CAC8R00002 THERMISTOR [M]
TH5860 D4CC11040013 THERMISTOR [M]
P5701 K2AA2B000017 AC INLET [M]
C5701 F0CAF334A087 0.33uF [M]
C5704 F1BAF1020020 1000pF [M]
C5705 F1BAF1020020 1000pF [M]
C5706 F1BAF1020020 1000pF [M]
C5707 F1BAF1020020 1000pF [M]
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SA-VK470EE