JM9830A-ROM-001
JM HP9830A ROM Card Assembly Manual
5
1)
Start by fitting IC sockets if sockets are to be used.
2)
Fit the 4 resistors.
3)
Fit the 12 ceramic capacitors.
4)
Fit the 2 electrolytic capacitors noting correct orientation.
5)
Fit the voltage regulator and heat sink using the M3 nut and bolt to secure
it. Bolt the regulator in place before soldering.
6)
Fit the Coin cell holder if battery backup is required (See the note above).
7)
Fit the IC’s noting correct locations and orientation
8)
Fit the coin cell if battery backup components have been fitted.
The board is now assembled and ready to test.
Note that the legend on the PCB indicates the functions of the bank selector
switches and these should be set as required.
