SERVICE MANUAL - Nexo

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NXAMP4x4■ HEAT SINK UNIT L60 PSANHB Circuit BoardPSANHA Circuit BoardWK66930WK66930WK66930420 310310504 505 506REF NO. PART NO. DESCRIPTION REMARKS QTY RANK-- HEAT SINK UNIT AN-PA-HIGH 60mm (WK66930)310 -- BIND HEAD SCREW 3x10 MFZN2W3 (WE95290) 3 01420 -- HEAT SINK PS L60 ASSY (WM69020)504 -- DIODE FMU-36R 20A 600V (V849870) 04505 -- DIODE STACK FMU-36S 20A 600V (VN39950) 05506 -- TRANSISTOR 2SD2394 E,F ST (VS88340) 02✽ : New PartsRANK: Japan only13
NXAMP4x4■ HEAT SINK UNIT L60 PSANHB Circuit BoardPSANHA Circuit BoardWK66940WK66940WK66940310310420506504 505REF NO. PART NO. DESCRIPTION REMARKS QTY RANK-- HEAT SINK UNIT AN-PA-HIGH 60mm (WK66940)310 -- BIND HEAD SCREW 3x10 MFZN2W3 (WE95290) 3 01420 -- HEAT SINK PS L60 ASSY (WM69020)504 -- DIODE FMU-36R 20A 600V (V849870) 04505 -- DIODE STACK FMU-36S 20A 600V (VN39950) 05506 -- TRANSISTOR 2SD2394 E,F ST (VS88340) 02✽ : New PartsRANK: Japan only14
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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 and 58: NXAMP4x4• PAANH Circuit BoardAA't
Page 59 and 60: NXAMP4x4• PSANHA, PSANHB Circuit
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 101 and 102: NXAMP4x4■ LOCATIONS OF HEAT SINK
Page 103: NXAMP4x4■ HEAT SINK UNIT L100 PS
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 115 and 116: NXAMP4x4CONTROLREF NO. PART NO. DES
Page 123 and 124: NXAMP4x4PAANHREF NO. PART NO. DESCR
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 145 and 146: HGFEDCBANXAMP4x4■ CIRCUIT DIAGRAM
Page 149 and 150: LKJIHGFEDCBANXAMP4x4■ CIRCUIT DIA
Page 151 and 152: LKJIHGFEDCBANXAMP4x4■ CIRCUIT DIA
Page 153: QPONMLKJIHGFEDCBANXAMP4x4■ CIRCUI
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SERVICE MANUAL - Nexo

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