19-13
19.3 Image Control Box
19
• If the GPR23 circuit board has been replaced, turn
ON the backup battery switch.
• If the GIE23 circuit board has been replaced,
install the device driver
.
Removal
1. Remove the GEP23, GIE23 and GPR23 circuit
board
2. Disconnect the two connectors from the circuit
board.
3. Remove the nine screws and then the circuit
board.
Installation
Installation is essentially in the reverse order of
removal.
NOTE: After installation, perform "Program Download to
GMC23 Circuit Board"
LII338
Image Control Box
Backup Battery
Switch
GPR23 Circuit Board
19.3.4
GMC23 Circuit Board Replacement
LII873
Connectors (2)
Screws (9)
GMC23 Circuit Board