Download Firmware For Cpu - Marantz SR7500/A1B Service Manual

Download Firmware for CPU (Mode 2)
1. Put the "CPU update" folder into anywhere on your PC's
hard disc.
2. Connect PC and the unit with the RS-232C cable.
3. Insert a thin rot to the hole and push the switch (SW10)
inside to turn on the switch.
4. Turn on the power of the unit.
Note: When the unit is into boot mode, stand-by LED is
not lights up.
CPU
1. "CPU update"
2. PC
Hole of rear panel
3.
(SW10)
4.
:
15
(Mode 2)
PC
RS-232C
SW10
Stand-by LED