DARLAS_300_2
ODME PRINTER INTERFACE
Update for MK-I and MK-II Calculator
Page :6/8
DARLAS_300_2 MK-
II_R3_update.doc
Realize the new cable:
For the connection of Megatron printer, we use the set of cables supplied with your kit, which fit
directly on the existing connectors:
IA connector with 6 pins
IB connector with 3 pins
I connector HE10 with 16 pins
Connect Printer interface cable as follows:
1 To
IB2
3 To
IB3
2 To
I5
4 To
I1
9 To
IA1
12
To
IA3
6
*
To
R3
*
Figure: R3_1 ( VDU PCB # ES-663-150)
Figure: R3_2 ( VDU PCB # ES-663-150_R3_Details)
*
6 to R3. This is a connection that you must solder manually on the lower end of the Resistor R3 of the Video
Display Unit Printed Circuit Board # ES663-150 (VDU PCB) of the calculator as shown above. In more details
what you have to do is to connect the small cable with the connector at the lower end of the resistor R3 which
is adjacent to the components: “CI2” and crystal (XTAL) “Q3”.
As shown above on figure R3_1 and R3_2.
Final, the Megatron printer can be placed in the support plate and fixed by the 4 screws supplied
.
SPECIAL NOTE
Please note that the above mentioned installation should be made by an Authorized SERES Service Engineer
Or a licenced Electrical / Electronics Engineer.
***/ends/***
IA
IB
I