SM 2547-1

Service Manual

Accessory slot

This slot was designed for EKTAPRO Models 7020, 9020 and 9020/CINE to receive certain professional dissolve

units. The 12/7 PIN ADAPTER is a PCB with:

an “Intern/Extern” switch for a check. Intern means “Lamp on” and Extern means “Projector is controlled by the dissolve unit”.

connectors to connect the ADAPTER to the projector, and an ADAPTER CABLE for different dissolve units. The ADAPTER CABLE has a 25 PIN SUB-D connector to connect the PCB ADAPTER and a combination socket for 12 and 7 PINS.

Accessories that allow the EKTAPRO projectors to communicate with older dissolve equipment are available for the 12/7 PIN sockets.

The slot contains an Inter IC Communication Interface (I2C). The I2C bus is used in a modified way only for the 7/12 PIN Adapter. Typical I2C functions are not available.

a)Possible Control Functions

-P-Bus function in TTL Level through RS_232_R and RS232_T lines

-LAMP dissolve through SL_DISS line

-I2C Communication through SDA, I2C_INT and SLC lines

-Voltage Supply for accessory slot modules. See 2.4 CONNECTORS.

-Special Control lines SLOT_A, SLOT_B, SLOT_C

All lines are connected to ground means 12/7 PIN adapter present, PROJECTOR LAMP off, waiting for dissolve pulses on SL_DISS line

-all high, no ACCESSORY installed

Kodak AG, Stuttgart

3-19

03/98

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Kodak 7020, 5020, 4020, (9020/CINE) service manual Accessory slot, Possible Control Functions

(9020/CINE), 5020, 9020, 7020, 4020 specifications

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