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General| Brand | Panasonic |
|---|---|
| Model | PV-D4733S |
| Category | DVD VCR Combo |
| Language | English |
General guidelines for safe servicing procedures.
Procedure to check leakage current with power off.
Procedure to check leakage current with power on.
Specifications for the Class I laser product.
Distinguishing features of PCBs manufactured with lead-free solder.
Notes and information for servicing the unit.
Steps to confirm the DVD firmware version.
Procedure for updating the DVD firmware.
Procedures for service position 1.
Details for service position 1.
Details for service position 2.
Manual method for loading/unloading mechanism.
Procedure for loading without a cassette.
Manual steps to remove a jammed tape.
Method 1 for jammed tape removal.
Method 2 for jammed tape removal.
Method 3 for jammed tape removal.
Note on F.P.C. connection between motor and cylinder.
Note on F.P.C. connection between DVD and main boards.
Flowchart for cabinet disassembly.
Steps for removing the top cover.
Steps for removing the front panel assembly.
Procedure for installing the front panel assembly.
Steps for installing the VCR chassis unit.
Steps for removing the DVD Sub C.B.A.
Procedure for installing DVD Main and Sub C.B.A.
Installation of mechanism and cassette assembly onto Main C.B.A.
Steps for connecting the mechanism chassis.
Method for disassembling and reassembling the mechanism.
Illustration showing inner parts location from the top.
Illustration showing inner parts location from the bottom.
Notes for reassembling the cylinder unit.
Alignment of main cam gear, drive rack arm, and main rod.
Alignment of intermediate gears and main cam gear.
Information on holes on the main cam gear for alignment.
Procedure for installing main cam gear and push nut.
Notes for reassembling mechanism sub-assemblies.
Notes for reassembling mechanism parts.
Notes for reassembling loading arm units.
Notes for reassembling brake and tension units.
Notes for reassembling mechanism components.
Details on top plate, wiper arm, and holder unit.
Alignment of wiper arm and drive rack units.
Steps for installing the holder unit.
List of service fixtures and tools required for adjustments.
Cleaning procedure for the upper cylinder unit.
General adjustment procedures.
Procedure to confirm and adjust back tension.
Procedure for adjusting envelope output.
List of test equipment for electrical adjustments.
Guide on reading adjustment procedures.
Description of important test points.
Notes and guidelines for schematic diagrams and circuit board layouts.
Schematic diagram for the main system control and servo section.
Schematic diagram for Operation I.
Schematic diagram for Operation II.
Schematic diagram for DVD Main I.
Schematic diagram for DVD Sub.
Voltage chart for the Main C.B.A. power supply, video, and audio sections.
Layout diagram for the Main C.B.A.
Layout for Main C.B.A. LSEP2082HA/HB.
Layout for Operation I C.B.A.
Layout for Operation II C.B.A.
Layout for DVD Main C.B.A. LSEP2091B/C.
Layout for DVD Sub C.B.A. LSEP2014A.
Block diagram of the power supply unit.
Steps to diagnose DVD circuit defects.
Confirmation of DVD and VCR operation.
Steps to differentiate DVD mechanism and main board defects.
Hints for troubleshooting DVD mechanism issues.
Troubleshooting steps for tray problems.
Exploded view of the mechanism top section.
Exploded view of the mechanism bottom section.
Exploded view of the cassette up compartment.
Exploded view of chassis frame and casing parts.
List of packing parts and accessories.
General notes for replacing parts.
General guidelines for part replacement.
Specific notes for mechanical part replacement.
Specific notes for electrical part replacement.
Chart comparing models and their marks.
Definitions of parts suppliers.
Detailed list of mechanical replacement parts.
List of integrated circuits for replacement.
List of transistors for replacement.
List of replacement printed circuit boards.
List of replacement resistors for Operation I C.B.A.
List of replacement transistors for Operation II C.B.A.
Chart comparing models and their marks.
List of replacement integrated circuits for DVD Main C.B.A.
List of replacement switches for DVD Sub C.B.A.
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