Operation Procedures - Yamaha AS2000BL Service Manual

A-S2000
G Operation Procedures
1. Turn off the power of this unit and disconnect the
power cable from the AC outlet.
2. Remove the panel side L/R and top cover. (Refer
to [DISASSEMBLY PROCEDURS])
3. Set the switch (SW301) of RS232C conversion
adapter to the "FLASH UCOM" side. (Fig. 1)
4. Connect the writing port of this unit to the serial port
(RS232C) of the PC with RS232C cross cable,
RS232C conversion adapter and flexible flat cable
as shown below. (Fig. 1)
PC
Serial port (RS232C) /
RS232C cross cable /
22
Panel side L
Writing port /
(FRONT (1) P.C.B.: CB515)
RS232C conversion adapter /
SW301
FLASH
OTHER
UCOM
Fig. 1
Top cover
Panel side R
to writing port /
Flexible flat cable (9P) /