This is a maintenance manual, mainly introducing the maintenance methods and precautions of DR-MH300BE, DR-MH300BEK, DR-MH300SE, DR-MH300SEF, DR-MH300SEK, DR-MH300SER, DR-ED400SE.
This service manual provides detailed instructions for servicing JVC DR‑MH300 series and DR‑ED400SE HDD & DVD video recorders. It includes safety precautions, disassembly procedures, adjustment steps, and troubleshooting guidance for qualified technicians.
The document also lists technical specifications such as power requirements, dimensions, video/audio formats, and connector details, as well as handling precautions for the hard‑disk drive and laser components.
| Power requirement | AC 220 V‑240 V, 50 Hz/60 Hz |
|---|---|
| Power consumption (on) | 36 W |
| Power consumption (off) | 6.4 W |
| Operating temperature | 5 °C to 35 °C |
| Dimensions (W × H × D) | 435 mm × 70 mm × 300 mm |
| Weight | 46 kg |
| HDD capacity | 160 GB |
The recorder consumes 36 W when powered on.
The unit measures 435 mm wide, 70 mm high, and 300 mm deep.
The laser unit must not be disassembled; if it malfunctions, the entire unit should be replaced.