Caple Ri551 Manuel de service télécharger pdf (Page 82)

16515A/16A

Service

6-7. MODULE REPLACEMENT

The

effects of

ELECTROSTATIC

DISCHARGE

can

damage electronic com-

ponents.

Use

grounded wriststraps and

mats

when

performing any kind of ser-

vice

this module.

Installation Considerations:

• A two card module must

remain

screwed together

and

installed

two adjacent

slots.

• A

one

card module

may

installed

any

available

slot

• If previously

installed

modules prevent proper installation, they must

repositioned

the card

cage.

•

Cards

or filler

panels

below

the

slot(s)

intended

for module installation do not

have

removed.

•

The

probe

assemblies

do not

have

removed

to install the module.

Procedure:

Turn

instrument power switch

off,

disconnect power cord

and

any Input or output connections.

2. Starting from the top, loosen thumb

screws

filler

panel(s)

and

card(s).

Note

Two

card 1

GHz

Timing

Modules

are

screwed together.

prevent binding

when

loosening or tightening

thumbscrews,

use

sequence shown

figure

6-12.

1f$1I1~16A

lc:Hz

TlimlC

EXPANSION I

,--------,I

L-I

_--JI

. I

,-I

_---'

1~16515A

lc:Hz TIIoIINC

MASTER

1----111

L-

_--,I

,-I

_---'I

L-I

_--'

16515/EX3-4

Figure

6-12. Tightening Or Loosening Sequence

Starting from the top,

begin

pulling

card(s)

and

filler

panel(s)

out half

way.

See

figure

6-13.

6-28

1 2 ... 77 78 79 80 81 82 83 84 85 86 87 ... 91 92

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Caple Ri551 Manuel de service Page 82

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