SERVICE MANUAL - Nexo

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NXAMP4x4■ PA UNIT 60901006050205030 401020708010090604060Q524 Q520 Q512P Q510P D503 Q516 Q508P Q506P Q504P Q502P Q514D506 Q522 Q513P Q511P D504 Q518 Q509P Q507P Q505P Q503P Q501PFRONTREARD505 Q521 Q513N Q511N D502 Q517 Q509N Q507N Q505N Q503N Q501NQ523 Q519 Q512N Q510N D501 Q515 Q508N Q506N Q504N Q502N IC5017
NXAMP4x4REF NO. PART NO. DESCRIPTION REMARKS QTY RANK* WR779100 PA UNIT AN-PA-HIGH 8F2810 -- HEAT SINK AN-PA-HIGH (WJ94970)20 -- HEXAGPNAL SPACER H=7.5 B=5.5 (WD49000) 6* 30 WR777200 CIRCUIT BOARD PAANH40 -- BIND HEAD TAPPING SCREW-S 3x6 MFZN2W3 (WE87790) 6 0150 -- INSULATION SHEET PA-H TBM51W T=0.15 (WK11920) 2 0560 -- BIND HEAD SCREW 3x12 MFZN2W3 (WE87770) 41 0170 -- INSULATING BUSH 2.6M (WA00920) 0180 -- BIND HEAD SCREW 2.6x8 MFZN2W3 SP (WE96770) 0190 -- PAN HEAD SCREW 3x8 MFZN2W3 SP (WE99650) 2 01100 -- INSULATION BUSH 3M (WQ38130) 2 01D501 -- DIODE SF20L60U (V635170) 04D502 -- DIODE SF20L60U (V635170) 04D503 -- DIODE SF20L60U (V635170) 04D504 -- DIODE SF20L60U (V635170) 04D505 -- DIODE SF20L60U (V635170) 04D506 -- DIODE SF20L60U (V635170) 04IC501 -- IC LM35DT/NOPB TEMPERATURE SENSOR 05(X0670A0)Q501N WH466801 PAIR TRANSISTOR 2SA2151B/2SC6011B O,P,Y 06Q501P WH466801 PAIR TRANSISTOR 2SA2151B/2SC6011B O,P,Y 06Q502N WH466801 PAIR TRANSISTOR 2SA2151B/2SC6011B O,P,Y 06Q502P WH466801 PAIR TRANSISTOR 2SA2151B/2SC6011B O,P,Y 06Q503N WH466801 PAIR TRANSISTOR 2SA2151B/2SC6011B O,P,Y 06Q503P WH466801 PAIR TRANSISTOR 2SA2151B/2SC6011B O,P,Y 06Q504N WH466801 PAIR TRANSISTOR 2SA2151B/2SC6011B O,P,Y 06Q504P WH466801 PAIR TRANSISTOR 2SA2151B/2SC6011B O,P,Y 06Q505N WH466801 PAIR TRANSISTOR 2SA2151B/2SC6011B O,P,Y 06Q505P WH466801 PAIR TRANSISTOR 2SA2151B/2SC6011B O,P,Y 06Q506N WH466801 PAIR TRANSISTOR 2SA2151B/2SC6011B O,P,Y 06Q506P WH466801 PAIR TRANSISTOR 2SA2151B/2SC6011B O,P,Y 06Q507N WH466801 PAIR TRANSISTOR 2SA2151B/2SC6011B O,P,Y 06Q507P WH466801 PAIR TRANSISTOR 2SA2151B/2SC6011B O,P,Y 06Q508N WH466801 PAIR TRANSISTOR 2SA2151B/2SC6011B O,P,Y 06Q508P WH466801 PAIR TRANSISTOR 2SA2151B/2SC6011B O,P,Y 06Q509N WH466801 PAIR TRANSISTOR 2SA2151B/2SC6011B O,P,Y 06Q509P WH466801 PAIR TRANSISTOR 2SA2151B/2SC6011B O,P,Y 06Q510N WH466801 PAIR TRANSISTOR 2SA2151B/2SC6011B O,P,Y 06Q510P WH466801 PAIR TRANSISTOR 2SA2151B/2SC6011B O,P,Y 06Q511N WH466801 PAIR TRANSISTOR 2SA2151B/2SC6011B O,P,Y 06Q511P WH466801 PAIR TRANSISTOR 2SA2151B/2SC6011B O,P,Y 06Q512N WH466801 PAIR TRANSISTOR 2SA2151B/2SC6011B O,P,Y 06Q512P WH466801 PAIR TRANSISTOR 2SA2151B/2SC6011B O,P,Y 06Q513N WH466801 PAIR TRANSISTOR 2SA2151B/2SC6011B O,P,Y 06Q513P WH466801 PAIR TRANSISTOR 2SA2151B/2SC6011B O,P,Y 06Q514 WJ461500 TRANSISTOR 2SA1668A LFNO.600 03Q515 WQ387900 TRANSISTOR 2SC2333-AZ L,K 03Q516 WQ387800 TRANSISTOR 2SA1009-AZ L,K 03Q517 WJ461600 TRANSISTOR 2SC4382A LFNO.600 03Q518 WJ461500 TRANSISTOR 2SA1668A LFNO.600 03Q519 V9764501 FET 2SK3004 04Q520 V9764501 FET 2SK3004 04Q521 V9764501 FET 2SK3004 04Q522 V9764501 FET 2SK3004 04Q523 V9764501 FET 2SK3004 04Q524 V9764501 FET 2SK3004 04✽ : New PartsRANK: Japan only8
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 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: 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 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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