Brand: SANYO
Category: Video
Document Type: Parts/Service
Language: EN
Parts/Service for PLC-XU4000
Uploaded: Nov. 21, 2025, 7:01 p.m.
- Safety Precautions: Includes isolation transformer use, compliance with safety notes, proper installation of protective devices, and thorough inspection before reassembly.
- Product Safety Notice: Highlights components marked with 'A' as safety-significant and recommends exact part replacement.
- Service Personnel Warning: Advises eye protection, waiting for lamp cool-down, and avoiding high voltages.
- Maintenance: Covers filter replacement, filter counter reset, and cleaning of projection lens and cabinet.
- Lamp Replacement: Details the procedure for replacing the lamp, emphasizing cooling time and safe handling.
- Security Function Notice: Explains Key lock, PIN code lock, and Logo PIN code lock, with a resetting procedure.
- Standby Mode Notice: Describes Eco and Network standby modes and their restricted functions.
- Mechanical Disassembly: Provides step-by-step instructions for removing various parts like covers, boards, fans, and the optical unit.
- Optical Parts Disassembly: Details the removal of LCD Panel/Prism Assy, polarized glass, projection lens, integrator, condenser, and relay lenses.
- Troubleshooting: Lists common issues like 'No Power', 'No Picture', and 'No Sound' with indicator conditions.
Troubleshooting and error codes
| Indicators and Projector Condition | Possible Cause | Remedy |
|---|---|---|
| No Power | No power | AC power cord is not plugged in. |
| Fuse is blown. | Check the fuse and replace if necessary. | |
| Power supply unit failure. | Replace the power supply unit. | |
| No Picture | No signal input. | Check signal cable connection. |
| Lamp is not lit. | Lamp is not in operation. | |
| Press the ON/STAND-BY button. | ||
| Lamp failure. | Replace the lamp. | |
| Lamp used time is over. | Lamp replacement is required. | |
| Internal failure. | Check internal circuits. | |
| Repair or replace the Main Board. | ||
| No Sound | No audio signal input. | Check audio cable connection. |
| Select the correct input source. | ||
| Volume is set to mute or minimum. | Adjust volume or turn off mute. | |
| Internal failure. | Check internal circuits. | |
| Repair or replace the Audio circuit. |