SERVICE MANUAL - Nexo

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NXAMP4x4• PSANHA, PSANHB Circuit Board Reduction: 7/10to PAANHW403Ato OUTANH W802, W803to PAANH W404to PAANH W402to PAANH W401to FUNto CONTROL CN007, CN008to OUTANH W801to CONTROL CN011789101112654321to PSANHB CN203to FUNto PAANH W401to PAANH W402to PAANH W404to PAANH W403to OUTANHW804, W805Component side B'582NA-WJ97350-70 3
NXAMP4x4• PSANHA, PSANHB Circuit Board Reduction: 7/10AB'Component side 2NA-WJ97350-70 359
Page 1 and 2:
SERVICE MANUAL■ CONTENTS PANEL LA
Page 3 and 4:
NXAMP4x4■ PANEL LAYOUT • Front
Page 5 and 6:
NXAMP4x4■ SERVICE PRECAUTIONS Saf
Page 7 and 8: NXAMP4x4■ OVERALL ASSEMBLY WIRING
Page 9 and 10: NXAMP4x43. Wiring of the FANConnect
Page 11 and 12: NXAMP4x4d, e) Fix the wires to the
Page 13 and 14: NXAMP4x4CN401YELLOW Fig. 20 NOTE:
Page 15 and 16: NXAMP4x4b-3) Then fasten these wire
Page 17 and 18: NXAMP4x4At the stage as shown in Fi
Page 19 and 20: NXAMP4x4o) Fasten the wires (WK0208
Page 21 and 22: NXAMP4x48. Color of the connectors
Page 23 and 24: NXAMP4x412. Confirmation of Switch
Page 25 and 26: NXAMP4x4■ DISASSEMBLY PROCEDURES
Page 27 and 28: NXAMP4x43. PSANHA Circuit Board(Tim
Page 29 and 30: NXAMP4x45. PSANHB Circuit Board(Tim
Page 31 and 32: NXAMP4x48. Upper left (CH1) PA unit
Page 33 and 34: NXAMP4x412. Front Panel Assembly(Ti
Page 35 and 36: NXAMP4x416. Lower left DC Fan(Time
Page 37 and 38: ■ LSI PIN DESCRIPTION NXAMP4x4
Page 39 and 40: NXAMP4x4CS4272-CZZR (X8487A0)CODECC
Page 41 and 42: NXAMP4x4NJU7630-M (X8682A0)Regulato
Page 43 and 44: NXAMP4x4SN74LVC157APWR (X6786A0)Dat
Page 45 and 46: NXAMP4x4• INANH Circuit Boardto C
Page 47 and 48: NXAMP4x4• CONTROL Circuit BoardAA
Page 49 and 50: NXAMP4x4• CONTROL Circuit BoardBP
Page 51 and 52: NXAMP4x4• OUTANH Circuit BoardPat
Page 53 and 54: NXAMP4x4• PN-AN Circuit BoardAEnc
Page 55 and 56: NXAMP4x4• PN-AN Circuit BoardBPat
Page 57: NXAMP4x4• PAANH Circuit BoardAA't
Page 61 and 62: NXAMP4x4• PSANHA, PSANHB Circuit
Page 63 and 64: NXAMP4x4• NX-DFLT Circuit BoardEx
Page 65 and 66: NXAMP4x43. Operation3-1. Entry of t
Page 67 and 68: NXAMP4x4Switch the GPI jig to the G
Page 69 and 70: NXAMP4x44-15. ANALOG testPress the
Page 71 and 72: NXAMP4x4■ 71
Page 73 and 74: NXAMP4x4 73
Page 77 and 78: NXAMP4x4
Page 79 and 80: NXAMP4x41-5. Other0 dBu is defined
Page 81 and 82: NXAMP4x44-7. Channel separation1) G
Page 83 and 84: NXAMP4x4■
Page 89 and 90: NXAMP4x45) Click the [Create] butto
Page 93 and 94: NXAMP4x4■ OVERALL ASSEMBLY 1/2 8
Page 95 and 96: NXAMP4x4■ OVERALL ASSEMBLY 2/2 2
Page 97 and 98: NXAMP4x4REF NO. PART NO. DESCRIPTIO
Page 99 and 100: NXAMP4x4REF NO. PART NO. DESCRIPTIO
Page 101 and 102: NXAMP4x4■ LOCATIONS OF HEAT SINK
Page 103 and 104: NXAMP4x4■ HEAT SINK UNIT L100 PS
Page 105 and 106: NXAMP4x4■ HEAT SINK UNIT L60 PSA
Page 107 and 108: NXAMP4x4■ HEAT SINK UNIT L50 PSA
Page 109 and 110:
NXAMP4x4■ HEAT SINK UNIT MP-5 PA
Page 111 and 112:
NXAMP4x4■ ELECTRICAL PARTS REF NO
Page 113 and 114:
NXAMP4x4REF NO. PART NO. DESCRIPTIO
Page 115 and 116:
NXAMP4x4CONTROLREF NO. PART NO. DES
Page 117 and 118:
Page 119 and 120:
Page 121 and 122:
Page 123 and 124:
NXAMP4x4PAANHREF NO. PART NO. DESCR
Page 125 and 126:
Page 127 and 128:
Page 129 and 130:
Page 131 and 132:
NXAMP4x4CIRCUIT DIAGRAM■ CONTENTS
Page 133 and 134:
KJIHGFEDCBANXAMP4x4■ WIRING DIAGR
Page 135 and 136:
HGFEDCBANXAMP4x4■ BLOCK DIAGRAM 2
Page 137 and 138:
HGFEDCBANXAMP4x4■ BLOCK DIAGRAM 4
Page 139 and 140:
QPONMLKJIHGFEDCBANXAMP4x4■ CIRCUI
Page 141 and 142:
Page 143 and 144:
Page 145 and 146:
HGFEDCBANXAMP4x4■ CIRCUIT DIAGRAM
Page 147 and 148:
Page 149 and 150:
LKJIHGFEDCBANXAMP4x4■ CIRCUIT DIA
Page 151 and 152:
LKJIHGFEDCBANXAMP4x4■ CIRCUIT DIA
Page 153:
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SERVICE MANUAL - Nexo

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