Tektronix AWG2005 Figure 6!3￿: Troubleshooting Procedure 3￿" Monitor Module

Troubleshooting

This procedure helps you

determine whether the monitor

module is bad.

Do pins 4

Replace the

and 6 of J901 have

Yes

monitor

signals similar to

module

Figure 6:34?

(page 6:42).

Do

the

Yes

horizontal and

No

/or vertical sync

lock ok?

Power the AWG2005 off and

disconnect the cable from J901 on

No

the monitor module (see Figure 6:33)

then power back on.

Do pins

Power the AWG2005 off and

4 and 6 of the cable

Yes

disconnect the cable from J901 on

have signals similar

the monitor module (see Figure 6:33)

to Figure

then power back on.

6:34?

No

Does

Is pin1 of

pin 9 of the cable

Yes

have a video signal with Yes

Do

pins 2

the cable at

the same levels as

and 4 of J50 on

+15V?

in Figure

the A6 CPU board (see

No

6:35?

Figure 6:26) have signals

No

similar to Figure

6:34?

No

Replace the

Yes

monitor

module

Replace the cable.

(page 6:42).

Are the

cables securely

No

installed in their sockets

and are the cables

Does

ok?

J50 pin 7 on

the A6 CPU board (see

No

Replace the A6

Securely install

Figure 6:26) have a video

CPU board

Yes

and/or replace

signal with the

(page 6:45).

the cables.

same levels as

in Figure

6:35?

Yes

Perform the power

supply module

Replace the cable.

troubleshooting

procedure 1

Replace the A6

Is

the

(page 6:61).

No

CPU (page 6:45)

problem

or A5 Backplane board

fixed?

(page 6:49).

Yes

Done

Figure 6!3￿: Troubleshooting Procedure 3￿" Monitor Module

AWG￿￿￿5 Service Manual 6￿65