MODEL: WD-52531 / WD-62531 / WD-62530 INTRODUCTION This service manual provides service instructions for LCD Projection TV Models WD-52531 and WD-62531 using the V32 chassis, and WD-62530 using the V32L chassis. This service manual includes: 1. Assembly and disassembly instructions for the front and rear cabinet components.
MODEL: WD-52531 / WD-62531 / WD-62530 SAFETY PRECAUTIONS NOTICE: Observe all cautions and safety related notes located inside the receiver cabinet and on the receiver chassis. WARNING: Operation of this receiver outside the cabinet or with the cover removed presents a shock hazard from the receiver's power supplies.
MODEL: WD-52531 / WD-62531 / WD-62530 BACK-COVER Removal 1) Remove 2 screws (A) to remove the Lamp Cover 2) Remove 12 screws (B). 3) Pull the COVER-BACK from the cabinet. NOTE: To operate the TV the Lamp Cover must be reinstalled after the back cover is removed.
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MODEL: WD-52531 / WD-62531 / WD-62530 Rear Plate & PWB-INTERFACE Removal 1) Remove 4 screws (a) and pull off the rear plate. 2) Remove 3 screws (b) to remove the PWB-INTERFACE PWB-POWER & Power Bracket Removal 1) Remove 4 screws (A) and lift PWB- POWER from the chassis.
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MODEL: WD-52531 / WD-62531 / WD-62530 PWB-DM Removal PWB-SIGNAL Removal 1) Remove 6 screws (D). 1) Remove 6 screws (c). 2) Unplug all connecting cables. 2) Unplug all connecting cables. 3) Lift PWB-DM from the chassis. 3) Remove PWB-SIGNAL If PWB-SIGNAL is replaced, see page 22 to If PWB-DM is replaced, see page 22 to perform "Download WB Data to FMT"...
MODEL: WD-52531 / WD-62531 / WD-62530 Light Engine Replacement Light Engine and Associated Components The picture below shows the LCD Engine without added components, and the bottom picture shows the added components and the Engine mounted on the Engine Plate.
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MODEL: WD-52531 / WD-62531 / WD-62530 Light Engine & Engine Plate removal from the Cabinet Preliminary Refer to the chassis removal procedure and remove the BACK-COVER. Removal Procedure 1) Remove the 2 locking screwss (A). 2) Loosen one (B) adjustment screw.
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MODEL: WD-52531 / WD-62531 / WD-62530 Light Engine removal from the Bottom Plate (continued) 2) To remove the Engine from the bottom plate, remove 3 screws (a), and carefully lift the Engine from the bottom plate. 3) To remove the COVER- INDUCTION from the Engine 5 screws (b).
MODEL: WD-52531 / WD-62531 / WD-62530 Front Disassembly Screen Frame Removal 1) Pull off the Speaker Grill. 2) Remove all screws (B) from the upper rear cover (except one screw at a upper corner). The remaining screw supports the screen frame while removing the front screws.
MODEL: WD-52531 / WD-62531 / WD-62530 Screen Replacement CAUTION: Wear gloves when handling the Lenticular Screen and Fresnel Lens. This prevents cuts and finger prints. Do not place Fresnel Lens in the sun. This may cause fire and heat related injuries.
MODEL: WD-52531 / WD-62531 / WD-62530 V32/V32L REMOTE CONTROL OPTION MENU 1. Press the MENU button on the remote hand unit. 2. Press the buttons 2, 4, 7 and 0 in order. (The screen will change to the option menu.)
MODEL: WD-52531 / WD-62531 / WD-62530 Front Panel Initialization While the unit is ON, pressing the FORMAT and INPUT buttons simultaneously will immediately start the Initialization sequence. The TV will reboot once the initialization sequence is completed. Front Panel Initialization will reset ALL user settings to the factory setting.
MODEL: WD-52531 / WD-62531 / WD-62530 DEFAULTS AFTER INITIALIZATION Setup Menu TV Rating :TV-PG Language :English FV-Fantasy/Violence Memorize Channels D-Sexual Dialog Ant1 Air L-Adult Language Ant1 Cable S-Sexual Situations Ant2 Air V-Violence Ant2 Cable Programs not rated Clock Movie Rating...
MODEL: WD-52531 / WD-62531 / WD-62530 AV RESET DEFAULTS Component A/V Memory Antenna 1&2 Input 1/2/3 HDMI 1/*2 Brillant/Bright/Natural Bright Bright Bright Bright Bright Contrast Maximum Maximum Maximum Maximum Bright Brightness Center Center Center Center Color Center Center Center Center...
MODEL: WD-52531 / WD-62531 / WD-62530 ABNORMAL LED INDICATIONS Power/Timer Status Indicator Lamp Indicator Condition Indicator Yellow Temperature high – room temperature too hot. Temperature sensor is disconnected. Yellow Lamp usage warning (over 5000 hours) Blinking yellow Lamp cover is open.
MODEL: WD-52531 / WD-62531 / WD-62530 Lamp Control Block Diagram Lamp Lights Replace then goes out Lamp Code 34 Code 34 Lamp Troubleshooting Lamp does Flow Chart not Light • Install Lamp Cover with no Lamp Check Cable Check • Monitor Ballast spark gap.
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MODEL: WD-52531 / WD-62531 / WD-62530 SERVICE ADJUSTMENTS There are only 5 Service Adjustments required in these models: Two Electrical Adjustments • Horizontal Centering • Vertical Centering Three Mechanical Adjustment • Picture Rotation • Horizontal Keystone Distortion • Vertical Keystone Distortion Measuring equipment and Jigs •...
MODEL: WD-52531 / WD-62531 / WD-62530 4. Adjustment Selection Use the “VIDEO” button to select a specific electrical adjustment, “1 HPOS” or “2 VPOS”. 5. Adjusting Data After selecting an adjustment item, use the “UP” and “DN” buttons to change adjustment data.
MODEL: WD-52531 / WD-62531 / WD-62530 Trapezoid Distortion Adjustment 1) For Distortion at the top of the picture, rotate [A-5] counter clockwise (the picture will move upward). 3) For distortion at the bottom of the picture, rotate [A-5] clockwise (the picture will move upward).
MODEL: WD-52531 / WD-62531 / WD-62530 Purpose: To center the picture on the screen. [Format Circuit] Horizont/Vertical Position Adjust- Symptom: Picture is off center. ment Measuring Instrument 1. Press “MENU-2-4-5-7”, activates the Service Mode.. 2. Press “ff/fwd”, activates the Overscan Test Pattern...
MODEL: WD-52531 / WD-62531 / WD-62530 Using Lead Free Solder Pb Solder • The time required for a good solder connection may take longer. • Poor wet-ability can cause solder balls. The above symbol indicates Lead (Pb) Free solder was used during the construction of PWBs.
MODEL: WD-52531 / WD-62531 / WD-62530 CHIP PARTS REPLACEMENT Some resistors, shorting jumpers (0 Ohm resistors), Chip Parts Removal (Transistors) ceramic capacitors, transistors and diodes are chip parts. Melt the solder of one lead and lift the side of The following precautions should be taken when replacing that lead upward.
MODEL: WD-52531 / WD-62531 / WD-62530 REPLACEMENT PARTS Parts Ordering To expedite delivery of replacement parts orders, specify the following: Model Number/Serial Number Part Number and description Quantity Note: Unless complete information is supplied, delay in processing of orders will result.
MODEL: WD-52531 / WD-62531 / WD-62530 QUICK REFERENCE FOR COMMON PARTS CUSTOMER REPLACEABLE PARTS COMPONENT PART NUMBER MODELS 915P043010 LAMP CARTRIDGE REMOTE 290P137010 MAJOR PWB ASSEMBLIES PW B PART NUMBER MODELS PW B-POW ER 930B943001 PW B-SIGNAL 934C216001 W D-52531 / W D-62531 "...
MODEL: WD-52531 / WD-62531 / WD-62530 [#] Model Legend: (a) WD-52531, (b) WD-62530, (c) WD-62531 Ref # Part # Part Name & Description Ref # Part # Part Name & Description SCREEN ASSEMBLY PARTS WD-62530 / WD-62531 WD-52531 491P199060 SCREEN-LENTICULAR...