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Essential safety checks for customer and technician protection.
Procedure to measure leakage current to earth ground.
Details on special safety characteristics of parts and replacement.
Details on how units are packed for shipping and comparison.
List of parts for the VSX-504S/KUXJ model.
Component parts list for the VSX-504S/KUXJ model.
General schematic illustrating system connections and major blocks.
Lists all major PCB assemblies used in the various models.
Parts list specifically for the FL and UCOM assembly.
Component parts list for the PS and FUNC assembly.
Parts list for various AMP assemblies.
Specific parts list for the VSX-504S/KUXJ model.
Procedure for adjusting the FM tuner section settings.
Procedure for adjusting the AM (MW) tuner section settings.
Pin assignment and function details for the PDG133A micro-computer IC.
Information regarding the Fluorescent Display (FL) tube.
Layout of grid connections for the FL display.
Details on anode connections for FL display segments.
Mapping of pins for the FL display driver.
Specific pin connection details for the FL display.
Step-by-step procedure for disassembling the PS and FUNC assembly.
Exploded view and parts list for the remote control unit.
Details on front panel controls, switches, and display elements.
Description of rear panel input/output terminals and connections.
Technical specifications for the VSX-504S model, including amplifier, tuner, and misc.
List of parts included with the product.
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