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ScreenMaster SM1000, SM2000 and SM3000

Paperless recorders

Replacing the battery

1  Introduction

This publication details the replacement of the battery (B11845)  
fitted to the main board of ScreenMaster SM1000, SM2000 and 
SM3000 paperless recorders. The procedure must be carried 
out by a trained technician.

The battery is non-rechargeable and its only function is to 
supply power to the recorder’s real-time clock when the 
recorder is isolated from the power supply. It can supply power 
to the clock for a minimum of 1.5 years before replacement is 

2  SM1000 and SM2000

Removing the main board


The recorder is vulnerable to electrostatic damage. Wear an 
anti-static strap or dismantle the recorder on an anti-static 

Remove the main board as follows: 

Isolate the recorder from its power supply.

Remove the recorder from its case – see Figure 1.


  Refitting is the reverse of removal.

Withdraw the recorder 

from its case

Terminal cover 

(if fitted)


Unscrew the 

jacking screw


Remove tamper-evident seal (if fitted).

Caution.  Do not break the tamper-evident 

seal  unless authorized to do so.


Figure 1  Removing the recorder from its case

Summary of Contents for SM1000

Page 1: ...power supply It can supply power to the clock for a minimum of 1 5 years before replacement is required 2 SM1000 and SM2000 Removing the main board CAUTION The recorder is vulnerable to electrostatic...

Page 2: ...E 2 SM1000 and SM2000 Removing the main board 3 Remove the chassis top cover and PCB locking bar see Figure 2 Remove PCB locking bar Lift up top cover Remove top cover 3 Remove screws one each side a...

Page 3: ...ain board Withdraw the main board from the chassis Connection locking bar 1 2 2 3 4 4 Notes 1 To disconnect the display flex circuit it may be necessary to remove the I O module board in Slot D if fit...

Page 4: ...5 Refitting the PCB locking bar and chassis top cover 4 Refit the recorder to its case see Figure 1 5 Restore the recorder s power supply 6 Set the date and time see Section 6 4 3 in the SM1000 User G...

Page 5: ...or access to main board noting their positions for reassembly Pull up each end of clamp bar and disconnect display flexi cable Remove screws 2 off securing main board pillars to chassis Remove brace b...

Page 6: ...llows 1 Replace the battery see Figure 8 Note Ensure the battery positive terminal faces the rear of the recorder Figure 8 Replacing the battery 2 Refit the main board see Figure 7 3 Refit the recorde...

Page 7: ...SCREENMASTER SM1000 SM2000 AND SM3000 REPL ACING THE BATTERY INF05 90 REV E 7 4 Notes...

Page 8: ...ights in this document and in the subject matter and illustrations contained therein Any reproduction disclosure to third parties or utilization of its contents in whole or in parts is forbidden witho...