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MEW02-1

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MEW02-1
June 02, 2026

MEW02-1

Full model: JANCU-MEW02-1, dedicated CRT display driver & auxiliary power PCB for Matsuura MC-760VX vertical machining center with YASNAC MX2/MX3 CNC system. It matches the existing panel assembly set including MCP02B-1, MEW01-1, LX-2 keypad board and cabinet core boards (MM20, MORI-04). Original OEM production discontinued; only tested used or refurbished replacement boards are available for maintenance.

Description

1. Basic Information

Full model: JANCU-MEW02-1, dedicated CRT display driver & auxiliary power PCB for Matsuura MC-760VX vertical machining center with YASNAC MX2/MX3 CNC system. It matches the existing panel assembly set including MCP02B-1, MEW01-1, LX-2 keypad board and cabinet core boards (MM20, MORI-04). Original OEM production discontinued; only tested used or refurbished replacement boards are available for maintenance.

2. Core Functions

  1. Special CRT high-voltage driver board inside operator panel, supplies dedicated high voltage for original CRT screen together with low-voltage auxiliary power coordinated with MEW01-1 power board.

  2. Processes display driving signal transmitted from MCP02B-1 main control board to activate raster display of the monitor.

  3. Built-in overvoltage protection circuit, screen fuse and surge absorption components to guard CRT tube and front-end panel circuit against instantaneous voltage surge damage.

3. Electrical Specifications

  • Input supply: DC24V from MEW01-1 output

  • Working ambient temperature: 0℃ ~ +50℃; storage temperature: -20℃ ~ +70℃, relative humidity 10%~85% non-condensing

  • Installation: Fixed within rear cabinet of the CRT operation panel, connected via flat ribbon cables to MEW01-1 and MCP02B-1 respectively.

4. Typical Fault Symptoms

  1. Machine powers up normally, cabinet runs fine but CRT screen completely black; no filament glow inside monitor, most caused by blown onboard fuse or damaged high-voltage circuit on MEW02-1.

  2. Screen dim display, flickering picture or vertical/horizontal distortion under normal cabinet power, resulting from aging electrolytic capacitors of this driver board.

  3. Random ALM329 panel communication error triggered after startup when high-voltage leakage disturbs panel bus signal.

5. Model Distinction

  • JANCU-MEW02-1: CNC machine CRT driver board for YASNAC MX2/MX3 (direct fit for MC-760VX)

  • JANCD-MEW02-1: Yaskawa robot controller dedicated board, structurally incompatible and cannot substitute the CNC version.

6. Replacement & Safety Instructions

  1. Cut off total 3-phase main AC power of machining center and wait at least 20 minutes for full residual voltage discharge of CRT high-voltage loop before disassembly.

  2. Mark all connected flat cables one by one before unplugging; remove fixing screws and install replacement board in original position.

  3. Recover all wiring per pre-marked labels, switch on machine power and verify screen brightness, full display content and all keypad functions.

  4. Strictly forbid hot-plugging any cables under powered state; residual high voltage on MEW02-1 may cause electric shock or permanent PCB burnout.


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