Panasonic PT-44LCX65-K Service Manual

Also see for PT-44LCX65-K: Operating instructions

Contents

BEFORE REPLACING PARTS, READ THE FOLLOWING:17.1. REPLACEMENT NOTES17.1.1. General Notes1. Use only original replacement parts:To maintain original function and reliability of repaired units,use only original replacement parts which are listed withtheir part numbers in the parts list.2. IMPORTANT SAFETY NOTICEComponents identified by the sign have specialcharacteristics important for safety. When replacing any ofthese components, use only the specified parts.3. SPECIAL NOTEAll integrated circuits and many other semiconductordevices are electrostatically sensitive and therefore requirethe special handling techniques described under the"ELECTROSTATICALLY SENSITIVE (ES) DEVICES"section of this service manual.4. Parts with no Ref. No. in "EXPLODED VIEWS" are notsupplied. And some Ref. No. will be skipped. Be sure tomake your orders of replacement parts according to theparts list.5. Parts different in shape or size may be used. However, onlyinterchangeable parts will be supplied as servicereplacement parts.6. Definition of Parts supplier:a. All parts are supplied from PSEC.7. Item numbers with capital letter E (Example: E10, E20,...) inthe Ref. No. column are shown in the exploded views.8. Parts whose Ref. Nos. are the same are interchangeable asreplacement parts. Any of these parts may be ordered andused as a replacement part.17.1.2. Mechaniacl Replacement Notes1. Section No. of parts shown in Exploded Views are indicatedin the Remarks column.2. AbbreviationRTL: Retention Time LimitedThis indicates that the retention time is limited for this item.After the discontinuation of this item in production, it will nolonger be available.3. After replacing the LCD/Prism Unit (Ref. No. 261), be sureto perform the following adjustment in order.a. Full Mirror Adjustmentb. Polarizer Adjustmentc. VCOM Adjustmentd. Gamma Adjustmente. White Balance Adjustmentf. Non-uniformity color correctionFor above adjustments, refer to "ADJUSTMENTPROCEDURES 2."4. After replacing the Polarizer Red Unit (Ref. No. 225), thePolarizer Green Unit (Ref. No. 226), or the Polarizer BlueUnit (Ref. No. 227), be sure to perform the "POLARIZERADJUSTMENT" in ADJUSTMENT PROCEDURES 2section.17.1.3. Electrical Replacement Notes1. Unless otherwise specified;All resistors are in Ω, K = 1,000 Ω, M = 1,000 kΩ.2. AbbreviationRTL: Retention Time LimitedThis indicates that the retention time islimited for this item. After thediscontinuation of this item inproduction, it will no longer beavailable.NR: Non Repairable Board Ass´yMGF CHIP: Metal Glaze Film ChipC CHIP: Ceramic ChipCOMPLX CMP: Complex ComponentW FLMPRF: Wirewound FlameproofC.B.A.: Circuit Board AssemblyP.C.B.: Printed Circuit BoardE.S.D.: Electrostatically Sensitive Devices3. When replacing 0 Ω resistor, a wire can be substituted forit.4. Parts with mark "CSP" in the Remarks column are CSP(Chip Size Package) IC.17 REPLACEMENT PARTS LIST (PROJECTION SECTION)230PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K