Mode 2: Update Plc's Firmware To Plc Module - Marantz ZC4001 Service Manual

Mode 2: Update PLC's firmware to PLC MODULE

1. Do not connect the mains Cord of the unit to wall socket.
2. Connect SERVICE ONLY (3.5mm jack) on rear panel of the unit and Serial Port of windows PC with RS-232C D-sub9
pin to 3.5mm stereo plug cable.
3. Connect the mains cord into the wall socket.
4. Turn on the unit, and wait for about 10 seconds.
Press EXT, B PLAY and MUTE button simultaneously more than 5 seconds. And turn on update mode.
5.
6. "PLC FW UPDATE" and "START WAITING" are shown on FLD.
7. Put the "PCL Firmware" folder into anywhere on your PC's hard disk.
SERVICE ONLY
3.5mm jack
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