Sony KP 48S70, Руководство по обучению

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SETTING THE DIP SWITCH
Pins 1 and 2 will be dedicated to selecting between RA-4 XBR models and all other models due to NVM differ-
ences.
Pins 3 and 4 will be dedicated to allowing pull up resistors for the target NVM chip if the chip is not getting power
on board.
There are diagrams for these selections located on page 5 of this manual.
CONNECTION TO THE NVM CHIP
For the prototype, the following color wires should be connected to the following pins:
PIN1 A0 BLUE/WHITE
PIN2 A1 BLUE
PIN3 A2 GROUNDING WIRE FOR RESET PIN
PIN4 GND ORANGE/WHITE
PIN5 SDA BROWN/WHITE
PIN6 SCL BROWN
PIN7 WP GREEN
PIN8 VCC GREEN/WHITE
Plug in bus connector headshell and select first bus by moving switch in the up position, second bus is selected by
placing switch in the down position. +5 volts and gnd are supplied by the jig for power and signal setting purposes.
PLEASE NOTE:
Power and GND are provided from the JIG.
The RESET pin on the Microcontroller will need to be tied LOW. A test clip is provided on the connector for this
purpose.
There is a special note at the end of the manual for RA-3 suffix 12 & 13, RA-4 XBR models.
The READ and WRITE should take only a maximum of 12 seconds.
The RA-4 XBR BD Board will take approximately 10 Seconds.
READ
To read from the NVM chip on the original board, clip the test clip to the NVM chip and press
the read key. The NVM JIG will read contents of the original memory and program the JIG
memory with this information, the read (green) LED will then light up until the next key press.