ELECTRICAL CONNECTIONS

TM 11-6625-3024-14/EE641-AC-MMA-010/E154 SYSEX/TO 33AA50-5-1-1

11. Press the LAMP TEST switch located on

CAUTION

the top connector panel. Verify that all indicators

Do not turn on power without first

light except TRANSPORT power switch (located

checking to ensure that no indica-

above SYSTEM ON/off switch) and the nine write

tor lamps are missing from socket.

data indicator switches.

Burnout of transistor driver will oc-

(cur if lamp is missing.

12. Ensure that the TRANSPORT ON/OFF in-

dicator is extinguished. Press the SYSTEM ON/

9. Press the front panel SYSTEM ON/OFF

OFF switch to remove power from the Exerciser

switch to turn power on.

before connecting the interconnecting cables to

the transport.

10. Press the PROCESSOR RESET switch lo-

cated on the top connector panel (Figure 3-2).

13. Attach transport signal/control cable P3 to

Verify that all front panel indicators are extin-

J2 (see Figure 2-1) and transport power cable P2

guished, except SYSTEM ON/OFF power switch,

to J1 on the Magnetic Tape Transport AN/UYH-5.

STOP switch, WRITE RESET, Data Select indi-

cators, and Error indicators.

14. Insert tape in transport and close door,

2-4. ELECTRICAL CONNECTIONS

All electrical connections from the Exerciser to

CAUTION

the transport are made from the connector panel.

Figure 2-1 is the cabling diagram, Table 2-1 is a

If any lamps do not light, turn

wire list for transport control cable (P/N 1000-564)

power OFF immediately, to prevent

and Table 2-2 is a wire list for the transport power

equipment damage. Do not replace

cable (P/N 1000-566). Figure 2-2 shows the con-

lamp with power on. Transistor

nector pin location.

driver burnout will occur.

Figure 2-1. Cable Connections

2-2