sientific atlanta

THE ABOVE DIAGRAM IS THE VERSION 1 BOX..

THE PLUG N VIEW BOARD INDICATED IS NO LONGER AVAILABLE DUE TO SOME

TECHNICAL REASONS.

WE NOW OFFER A 12C508 CHIP THAT GETS WIRED TO THE 93C66 EPROM CHIP.

Instructions

1. Unplug the power to the 8602 version 1 & open the box.

2. Find & locate the 93C66 eeprom chip & connect wires as noted.

3. Sometimes pin 6 on the 12c508a has to be connected to pin 9 on the eeprom for

about 30 secs (until led stop flashing) power off and disconnect.

(on some boxes it needs to be connected at all times)

4. Once all the wires are soldered ,Power on and wait 10 minutes .

PIN1 (on 12c508a chip) TO 5 VOLT SUPPLY

PIN2 (on 12c508a chip) TO PIN 1 OF EEPROM 93c66 (CS)

PIN3 (on 12c508a chip) TO PIN 2 OF EEPROM 93c66 (CLK)

PIN4 (on 12c508a chip) TO PIN 4 OF EEPROM 93c66 (DO)

PIN5 (on 12c508a chip) TO PIN 3 OF EEPROM 93c66 (DI)

PIN6 (on 12c508a chip) TO CONNECTOR PIN 9 (CONNECTOR NORMALLY USED FOR INT CHIP)

PIN7 (on 12c508a chip) TO LED (DIAGNOSTIC VALUE ONLY)

PIN8 (on 12c508a chip) TO GROUND

THE DIAGRAM BELOW IS THE VERSION 2 BOX, WE ARE UNABLE TO OFFER A CHIP FOR THIS

AT THE MOMENT.