SERVICE MANUAL - Nexo

NXAMP4x414. Upper left DC Fan(Time required: about 15 minutes)14-1. Remove the top cover and the NX-DFLT card.(See procedure 1.)14-2. Remove the CONTROL circuit board and the OPTangle. (See procedure 2.)14-3. Remove the front panel assembly. (See procedure 12.)14-4. Disconnect the upper left DC fan connector assemblyfrom the PSANHA circuit board. (Fig. 10)14-5. Remove the two (2) screws marked [40A] and the two(2) hexagonal nuts marked [50A]. The upper left DCfan can then be removed. (Fig. 10)15. Upper right DC fan(Time required: about 15 minutes)15-1. Remove the top cover and the NX-DFLT card.(See procedure 1.)15-2. Remove the CONTROL circuit board and the OPTangle. (See procedure 2.)15-3. Remove the front panel assembly. (See procedure 12.)15-4. Disconnect the upper right DC fan connectorassembly from the PSANHA circuit board. (Fig. 10)15-5. Remove the two (2) screws marked [40B] and the two(2) hexagonal nuts marked [50B]. The upper right DCfan can then be removed. (Fig. 10) [50A]DC fan [50A][40A][50B][40B][50B]DC fan [40A]:[40B]:[50A]:[50B]:BIND HEAD SCREW 4x16 MFZN2W3 SP (--) BIND HEAD SCREW 4x16 MFZN2W3 SP (--) HEXAGONAL NUT M4 #1 (--) HEXAGONAL NUT M4 #1 (--) Fig. 10 34