Aspect Medical Systems BISPECTRAL INDEX A-2000, Service Manual

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SECTION VII DISASSEMBLING AND REASSEMBLING THE A-2000™
- 7-22 -
7.8
THE BATTERY
7.8.1
Removing the Battery
WARNING:
DUE TO THE BATTERY OPERATION POSSIBLE WITH NO AC CONNECTED,
EXTREME CARE MUST BE USED WHEN DISASSEMBLING AND
ASSEMBLING THE A-2000 MONITOR. WITH AC DISCONNECTED AND
BATTERY POWER ON, HIGH VOLTAGE IS PRESENT ON THE E/L DISPLAY
AND POWER SUPPLY PCB. DO NOT ACTIVATE POWER ON SWITCH WITH
CASE OPEN!
WARNING:
IF METAL COMES IN CONTACT WITH THE TERMINALS ON THE BATTERY,
IT COULD RESULT IN PERMANENT DAMAGE TO THE BATTERY AND IS AN
ELECTRICAL SHOCK HAZARD.
Caution:
Used batteries must be recycled or disposed of properly. Contact
Aspect Medical Systems or your local distributor for a replacement
battery and instructions for returning the defective battery for proper
recycling/disposal.
8. Open the monitor case as described in Section 7.2.1.
9. Remove the Interconnect PCB as described in Section 7.5.1.
10. Disconnect battery cable by depressing securing tab and lifting connector from J300
jack. (See Figure 7-19).
11. With power supply still connected to the Interconnect PCB, cut tie wraps holding
battery pack to its mount.
12. Remove battery and tie wrap remains.
7.8.2
Installing the Battery
1. Carefully route new tie wraps under battery holder.
2. Place new battery assembly in position (with cable positioned close to jack) and
secure to holder with tie wraps. Be sure tie wraps are positioned as shown in Fig. 7-
19 to avoid interference with case when closing the case.
3. Reconnect battery cable to jack (J300 power supply PCB).
4. Install Interconnect PCB as described in section 7.5.2.
5. Close the monitor case as described in section 7.2.2.
Caution:
Replace battery only with same type of approved battery. Use of
non-approved battery may result in incorrect operation or damage
to the monitor.