SERVICE MANUAL - Nexo

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NXAMP4x4■ IC & DIODE FIGURES LD1117STR (X8495A0)REGULATORCONTROL: IC024 NJM431U (X6770A0)REGULATORPAANH: IC401PSANH: IC204 NJM7815FA (XD853A0)REGULATOR +15VPSANH: IC202, 203 NJM78M09DL1A (XZ940A0)REGULATOR +15VCONTROL: IC006131: GND2: VOUT3: VIN1231: REF2: ANODE3: CATHODE1231: INPUT2: GND3: OUTPUT1321: INPUT2: GND3: OUTPUT NJM79M09DL1A (X5366A0)REGULATOR -9VCONTROL: IC007 NJU7630-M (X8682A0)REGULATOR -9VPSANH: IC205 PQ1CX12H2ZP (X6188A0)REGULATOR -9VPSANH: IC2081321: COMMON2: INPUT3: OUTPUT8 418 41 1SS244 (WA18030)DIODEPSANH: D209, 212, 227, 301,D302Anode 1SMB5951BT3G (WK91200)ZENER DIODE 120VPSANH: D206Anode 1SMB5953BT3G (WK91190)ZENER DIODE 150VPSANH: D207Anode 1SR154-400 (VT53250)DIODEPSANH: D201 D1F60 (VS20110)DIODEPAANH: D426-4291CathodeCathodeCathode2 1: ANODE2: CATHODE 1SS355 (VT33290)DIODEINANH: D701-708OUTANH: D801-804PAANH: D401-403, 409-411D424, 425, 431-434PSANH: D101, 102 UDZS 3.6B (VU17150)ZENER DIODE 3.6VPSANH: D216 UDZS 3.9B (VU17160)ZENER DIODE 3.9VPAANH: D404, 412, 415 UDZS 5.6B (VU17200)ZENER DIODE 5.6VPAANH: D437 UDZS6.8B (VU17220)ZENER DIODE 6.8VPAANH: D413, 414, 439 UDZS12B (VU17280)ZENER DIODE 12VPSANH: D303, 304, 330, 332 UDZS15B (VU17300)ZENER DIODE 15VPAANH: D430, 435, 436 UDZS16B (VU17310)ZENER DIODE 16VPSANH: D329, 331 RB551V-30 (V963430)SCHOTTKY DIODEPSANH: D333, 334211: ANODE2: CATHODE AG01A WS (V862980)DIODEPAANH: D438PSANH: D208, 307, 308 RL3A (V862970)DIODEPSANH: D313-316211: ANODE2: CATHODE D1FK60-5063 (WJ45930)DIODEPAANH: D416, 417 D1FL20U-5063 (VV46300)DIODEPSANH: D210, 211, 215, 309-312D317, 318, 323-328 RB160L-40 TE25 (VS59760)DIODECONTROL: D001-004PSANH: D218, 219, 221-224D226CathodeAnodeD2F60-5063 (WK83640)DIODEPSANH: D202-205 DAN217 (VV55630)DIODE ARRAY 0.3AX2CONTROL: DA001-036 DE3S6M (WE49220)DIODEPSANH: D220 HSU83 ((WD84430)DIODEPAANH: D405-408, 418-423CathodeAnode2312131: CATHODE2: ANODE3: CATHODE,ANODE4Anode31 2 31, 2, 4CathodeCathodeAnode SJPX-H3 VR (WK83420)DIODEPSANH: D214 SMP100LC-25 (WJ52830)DIODECONTROL: D005, 006AnodeAnodeCathodeCathode2
KJIHGFEDCBANXAMP4x4■ WIRING DIAGRAM Note:PSW1PSANHAINANH2CONTROLPAANHCH1Upper leftOUTANH3PAANHCH2Upper right4PN-ANPAANHCH3Lower left5RS232-GPIOPT-AN6PAANHCH4Lower right7PSWPSANHB2NC-WK66580-80 383
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SERVICE MANUAL■ CONTENTS PANEL LA
Page 3 and 4:
NXAMP4x4■ PANEL LAYOUT • Front
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NXAMP4x4■ SERVICE PRECAUTIONS Saf
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NXAMP4x4■ OVERALL ASSEMBLY WIRING
Page 9 and 10:
NXAMP4x43. Wiring of the FANConnect
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NXAMP4x4d, e) Fix the wires to the
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NXAMP4x4CN401YELLOW Fig. 20 NOTE:
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NXAMP4x4b-3) Then fasten these wire
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NXAMP4x4At the stage as shown in Fi
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NXAMP4x4o) Fasten the wires (WK0208
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NXAMP4x48. Color of the connectors
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NXAMP4x412. Confirmation of Switch
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NXAMP4x4■ DISASSEMBLY PROCEDURES
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NXAMP4x43. PSANHA Circuit Board(Tim
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NXAMP4x45. PSANHB Circuit Board(Tim
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NXAMP4x48. Upper left (CH1) PA unit
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NXAMP4x412. Front Panel Assembly(Ti
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NXAMP4x416. Lower left DC Fan(Time
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■ LSI PIN DESCRIPTION NXAMP4x4
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NXAMP4x4CS4272-CZZR (X8487A0)CODECC
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NXAMP4x4NJU7630-M (X8682A0)Regulato
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NXAMP4x4SN74LVC157APWR (X6786A0)Dat
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NXAMP4x4• INANH Circuit Boardto C
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NXAMP4x4• CONTROL Circuit BoardAA
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NXAMP4x4• CONTROL Circuit BoardBP
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NXAMP4x4• OUTANH Circuit BoardPat
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NXAMP4x4• PN-AN Circuit BoardAEnc
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NXAMP4x4• PN-AN Circuit BoardBPat
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NXAMP4x4• PAANH Circuit BoardAA't
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NXAMP4x4• PSANHA, PSANHB Circuit
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NXAMP4x4• PSANHA, PSANHB Circuit
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NXAMP4x4• NX-DFLT Circuit BoardEx
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NXAMP4x43. Operation3-1. Entry of t
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NXAMP4x4Switch the GPI jig to the G
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NXAMP4x44-15. ANALOG testPress the
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NXAMP4x4■ 71
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NXAMP4x4 73
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NXAMP4x4 7
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NXAMP4x4
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NXAMP4x41-5. Other0 dBu is defined
Page 81 and 82: NXAMP4x44-7. Channel separation1) G
Page 83 and 84: NXAMP4x4■
Page 85 and 86: NXAMP4x4
Page 87 and 88: NXAMP4x4
Page 89 and 90: NXAMP4x45) Click the [Create] butto
Page 91 and 92: NXAMP4x4 91
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 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 115 and 116: NXAMP4x4CONTROLREF NO. PART NO. DES
Page 123 and 124: NXAMP4x4PAANHREF NO. PART NO. DESCR
Page 131: NXAMP4x4CIRCUIT DIAGRAM■ CONTENTS
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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