Brand: MITSUBISHI ELECTRIC
Category: TV
Document Type: Parts/Service
Language: EN
Parts/Service for WD-52531 / WD-62531 / WD-62530
Uploaded: Nov. 21, 2025, 6:21 p.m.
Manual Publish Date: 2006-01-01
Warranty Information
Replacement parts with special safety characteristics must be identical in value and characteristics.
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. 2. Servicing of the Lenticular Screen and Fresnel Lens. 3. Servicing down to major components, chassis, PWBs, Light Engine, Lamp Ballast, etc.. 4. Electrical adjustments. 5. Optical Adjustments. 6. Lead Free Soldering. 7. Chip parts replacement procedures. 8. Simplified circuit path diagrams. The parts list section of this service manual includes: 1. Cabinet and screen parts. 2. Electrical parts. Block diagrams of the above listed models are included in this service manual for better understanding of the circuitry.Troubleshooting and error codes
| Power/Timer Indicator | Status Indicator | Lamp Indicator | Condition |
|---|---|---|---|
| Off | Yellow | Off | Temperature high – room temperature too hot. Temperature sensor is disconnected. |
| Off | Off | Yellow | Lamp usage warning (over 5000 hours) |
| Off | Off | Blinking yellow | Lamp cover is open. |
| Off | Red | Lamp fails to turn on | |
| Off | Blinking Red | Off | Fan Stop |
| Red. | Off | Off | Circuit failure (short) DVI cable between DM and Engine disconnected Ballast problem detected by ballast UART (temperature, short circuit, did not ignite, low voltage) |
| Code | Description |
|---|---|
| 12 | No Error found |
| 32 | Lamp cover is open. |
| 34 | Lamp ballast fan failed. |
| 36 | Red/Green LCD-PBS fan failed. |
| 37 | Lamp turns Off while the TV is playing. |
| 38 | Lamp temperature abnormally high. |
| 39 | LCD Intake temperature abnormally high. |
| 41 | Standby Short Detected. |
| 42 | Exhaust (lamp) fan failed. |
| 44 | Check for disconnected DVI cable between PWB-DM and Engine. |
| 45 | BLUE LCD fan failed. |
| 46 | LCD Intake Temperature sensor not detected. |
| 48 | Engine power supply short is detected. (P-ON short) |
| 66 | Lamp did not turn on at P-ON sequence |