4 replacing electronics module or prom – Honeywell SMV 3000 User Manual

Page 117

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SMV 3000 Transmitter User’s Manual

105

9.4

Replacing Electronics Module or PROM,

Continued

Procedure, continued

Table 28

Replacing Electronics Module or PROM, Continued

Step

Action

5

Remove two retaining screws and carefully pull Daughter PWA
straight up to unplug it from Main PWA.

Screw

Temperature

Input

Connector

Daughter PWA

Screw

PWA
Connector

PROM
Location

Flex Tape
Connector

Power
Connector

Write
Protect
Jumper

Screw

PWA
Connector

Main PWA

Plastic
Bracket

6

With component side of main PWA facing you, use an IC extraction
tool to remove plug-in PROM.

We recommend that you use a ground strap or ionizer

when handling the plug-in PROM, since electrostatic discharges can
cause PROM failures.

7

If you are replacing the…

Then…

Electronics module

go to Step 8

PROM

go to Step 9

Continued on next page

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