SERVICE MANUAL - Nexo

NXAMP4x45. PSANHB Circuit Board(Time required: about 25 minutes)5-1. Remove the top cover and the NX-DFLT card.(See procedure 1.)5-2. Remove the CONTROL circuit Board and the OPTangle. (See procedure 2.)5-3. Remove the PSANHA circuit Board. (See procedure 3.)5-4. Remove the OUTANH circuit Board. (See procedure 4.)5-5. Remove the two (2) screws marked [150B], and removethe lower ACPS connector assembly. (Fig. 5)5-6. Remove the two (2) screws marked [390], and removethe PS Angle 1. (Fig. 5)5-7. Remove the one (1) screw marked [396], and removethe GND Angle. (Fig. 5)5-8. Remove the two (2) screws marked [410], and removethe two (2) pieces of PS Angle 2. (Fig. 5)5-9. Disconnect the connector assemblies from thePSANHB circuit board. (Fig. 5)5-10. Remove the five (5) screws marked [100], the five(5) hexagonal spacers marked [90] and the one (1)hexagonal spacer marked [95]. The PSANHB circuitboard can then be removed. (Fig. 5) [90]: HEXAGONAL SPACER H=81.4 B=5.5 (--) [95]: HEXAGONAL SPACER H=41 B=5.5 (--) [100]: BIND HEAD TAPPING SCREW-S 3x6 MFZN2W3 (--) [150]: FLAT HEAD TAPPING SCREW-B 3x8 MFZN2B3 (--) [390]: BIND HEAD TAPPING SCREW-S 3x6 MFZN2B3 (--) [396]: BIND HEAD TAPPING SCREW-S 3x6 MFZN2B3 (--) [410]: BIND HEAD TAPPING SCREW-S 3x6 MFZN2W3 (--) GND angle PS angle 2 [410]PS angle 1 [396][390][150B]Lower ACPS connector assembly [100][90]PSANHB[90][95][90][100][90] [100]Fig. 5 29