1.1 GENERAL GUIDELINES
1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts
which have been overheated or damaged by the short circuit.
2. After servicing, see to it that all the protective devices such as insulation barriers, insulation
papers shields are properly installed.
3. After servicing, make the following leakage current checks to prevent the customer from
being exposed to shock hazards.
1.1.1 LEAKAGE CURRENT COLD CHECK
Содержание SB-WA520EB
Страница 9: ...2 Handling the Lead free Solder TOP PREVIOUS NEXT 2 1 About lead free solder PbF TOP PREVIOUS NEXT ...
Страница 18: ...Step 5 Remove the screws from the subwoofer Disassembly of Power Amp unit ...
Страница 19: ...Step 6 Remove 2 screws from the Power Amp unit ...
Страница 20: ...Step 7 Pull out the Power Amp unit slightly as shown Note Be careful of attach wire at CN506 ...
Страница 21: ...Step 8 Release the connector CN506 then pull out the entire Power Amp unit ...
Страница 22: ...Steps 9 10 Remove all the screws Step 11 Release the connector CN507 to remove the rear panel ...
Страница 23: ... Checking for the Power and AC Inlet P C B Step 12 Remove the screws from the AC Inlet P C B ...
Страница 24: ...Steps 13 14 Remove the screws ...
Страница 25: ...Step 15 Place the Power P C B and the AC Inlet P C B as shown for checking Checking for the Transformer P C B ...
Страница 26: ...Step 16 Remove the screws ...
Страница 27: ...Step 17 Place the P C B as shown for checking Replacement of the Power IC and Transistor ...
Страница 28: ...Step 1 Desolder the Power IC and Transistor terminals Step 2 Remove the screws from the IC501 ...
Страница 29: ...Step 3 Remove the screw Step 4 Replacement of the Power IC and Transistor ...
Страница 30: ...7 Connection of the Speaker Wiring TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Страница 31: ...8 Block Diagram TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Страница 33: ...10 Printed Circuit Board TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Страница 34: ...11 Wiring Connection Diagram TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Страница 35: ...12 Illustration of IC s Transistors and Diodes TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Страница 37: ...13 3 Packing Materials Accessories Parts List 13 4 Packaging TOP PREVIOUS NEXT ...
Страница 38: ...13 1 Cabinet TOP PREVIOUS NEXT 13 1 1 Cabinet Parts Location 13 1 2 Cabinet Parts List TOP PREVIOUS NEXT ...
Страница 39: ...13 1 1 Cabinet Parts Location TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Страница 51: ...13 4 Packaging TOP PREVIOUS TOP PREVIOUS ...
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