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Servicing the ADT-APS-6R 2. Installation
ADT-APS-6R Instruction PN 50935:B 7/21/00
17
Servicing the ADT-APS-6R
The only serviceable components on the ADT-APS-6R are fuses F1 and
F2. If a fuse fails, replace it with a fuse of the same type and rating:
• F1 AC protection - 4A, 3 AG
• F2 Battery protection - 10A, 3 AG
To replace either fuse remove the vertical PC board as follows:
1. Turn off and remove all power sources.
2. Remove plastic cover.
3. Remove the two retaining screws securing vertical board.
4. Unplug the vertical PC board from the connectors.
5. Replace fuses as required.
6. Reinstall board in reverse order, install plastic cover and connect all
power.
The figure below illustrates the location of the fuses.
Figure 11 Servicing the ADT-APS-6R
J2
J9
J3
J1
TB2
JP3
JP2
F2 Fuse
Retaining Screw (typ)
F1 Fuse
Connector (typ)
APS-6Rservice.cdr
Main Circuit Board
ADTAPS-6R__INSTENGLB0.fm Page 17 Tuesday, November 21, 2000 11:30 AM