SERVICE MANUAL - Nexo

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NXAMP4x4REF NO. PART NO. DESCRIPTION REMARKS QTY RANK-329 -- POLYPROPYLENE CAPACITOR 1.8uF 250V J (WH34340) 01C330 -- MONOLITHIC MYLAR CAPACITOR 0.1uF 50V (VR16830) 01C331 -- CERAMIC CAPACITOR-B (CHIP) 0.01uF 50V K (US06410) 01C332 -- MONOLITHIC MYLAR CAPACITOR 0.1uF 50V (VR16830) 01C333 -- CERAMIC CAPACITOR-B (CHIP) 0.01uF 50V K (US06410) 01C334 -- ELECTROLYTIC CAP. PW 10uF 25V (WD53850) 01C335 -- ELECTROLYTIC CAP. 10uF 50V (UR86710) 01C336 -- ELECTROLYTIC CAP. PW 10uF 25V (WD53850) 01C337 -- ELECTROLYTIC CAP. 10uF 50V (UR86710) 01C338 -- CERAMIC CAPACITOR-CH(CHIP) 22pF 50V J (US06122) 01C339 -- CERAMIC CAPACITOR-CH(CHIP) 22pF 50V J (US06122) 01C340 -- ELECTROLYTIC CAP. PW 10uF 25V (WD53850) 01-343 -- ELECTROLYTIC CAP. PW 10uF 25V (WD53850) 01C344 -- ELECTROLYTIC CAP. 820uF 250V (WJ67750) 06C345 -- ELECTROLYTIC CAP. 820uF 250V (WJ67750) 06C346 -- ELECTROLYTIC CAP. PW 100uF 35V RX (V902330) 01C347 -- ELECTROLYTIC CAP. 820uF 250V (WJ67750) 06C348 -- ELECTROLYTIC CAP. 820uF 250V (WJ67750) 06C349 -- ELECTROLYTIC CAP. PW 100uF 35V RX (V902330) 01C350 -- MONOLITHIC MYLAR CAPACITOR 0.1uF 50V (VR16830) 01C351 -- MONOLITHIC MYLAR CAPACITOR 0.1uF 50V (VR16830) 01C352 -- CERAMIC CAPACITOR-B(CHIP) 0.1uF 50V K (WD96920) 01C353 -- CERAMIC CAPACITOR-B(CHIP) 0.1uF 50V K (WD96920) 01C354 -- ELECTROLYTIC CAP. 820uF 250V (WJ67750) 06-357 -- ELECTROLYTIC CAP. 820uF 250V (WJ67750) 06C358 -- CERAMIC CAPACITOR-B(CHIP) 0.1uF 50V K (WD96920) 01C359 -- CERAMIC CAPACITOR-B(CHIP) 0.1uF 50V K (WD96920) 01C360 -- ELECTROLYTIC CAP. 4.7uF 50V (UR86647) 01C361 -- ELECTROLYTIC CAP. 4.7uF 50V (UR86647) 01C362 -- CERAMIC CAPACITOR-B (CHIP) 0.01uF 50V K (US06410) 01C363 -- CERAMIC CAPACITOR-B (CHIP) 0.01uF 50V K (US06410) 01C364 -- CERAMIC CAPACITOR-B (CHIP) 1000pF 50V K (US06310) 01C365 -- CERAMIC CAPACITOR-B(CHIP) 0.1uF 50V K (WD96920) 01C366 -- CERAMIC CAPACITOR-B(CHIP) 0.1uF 50V K (WD96920) 01C367 -- CAP CERAMIC CHIP 470pF 630V J (WQ45980) 01-374 -- CAP CERAMIC CHIP 470pF 630V J (WQ45980) 01 CN101 -- SCREW TERMINAL P-820N (WK66210) 03 CN102 -- SCREW TERMINAL P-820N (WK66210) 03 CN103 -- CONNECTOR, BASE POST VH 3P TE (LB93203) 01CN201 -- CONNECTOR BASE POST PH 9P TE PSANHA (VB39050) 03CN202 -- CONNECTOR, BASE POST PH 5P TE PSANHA (VB39010) 01CN203 -- CONNECTOR BASE POST PH 6P TE (VB39020) 01CN305 -- FASTEN TERMINAL 16611BL-2 (WA76770)-310 -- FASTEN TERMINAL 16611BL-2 (WA76770)CN311 -- CONNECTOR, BASE POST PH 2P TE (VB38980) 01CN312 -- CONNECTOR, BASE POST PH 7P TE (VB39030) 01CN313 -- CONNECTOR, BASE POST PH 11P TE PSANHA (VB39070) 01CN313 -- CONNECTOR BASE POST PH 10P TE PSANHB (VB39060) 01CN314 -- CONNECTOR, BASE POST PH 2P TE (VB38980) 01CN315 -- CONNECTOR, BASE POST PH 7P TE (VB39030) 01CN316 -- FASTEN TERMINAL 16611BL-2 (WA76770)CN317 -- FASTEN TERMINAL 16611BL-2 (WA76770)D101 -- DIODE 1SS355 TE-17 (VT33290) 01D102 -- DIODE 1SS355 TE-17 (VT33290) 01 D201 -- DIODE 1SR154-400 PSANHA (VT53250) 01 D202 -- DIODE D2F60-5063 (WK83640) 01 -205 -- DIODE D2F60-5063 (WK83640) 01D206 -- ZENER DIODE 120V 1SMB5951BT3G (WK91200) 02D207 -- ZENER DIODE 150V 1SMB5953BT3G (WK91190) 02D208 -- DIODE AG01A WS (V862980) 01D209 -- DIODE 1SS244 TP (WA18030) 01D210 -- DIODE (CHIP) 1.1A 200V D1FL20U (VV46300) 01D211 -- DIODE (CHIP) 1.1A 200V D1FL20U (VV46300) 01D212 -- DIODE 1SS244 TP (WA18030) 01D214 -- DIODE (CHIP) SJPX-H3 VR (WK83420) 02D215 -- DIODE (CHIP) 1.1A 200V D1FL20U PSANHA (VV46300) 01D216 -- ZENER DIODE UDZS3.6B 3.6V (VU17150) 01D218 -- DIODE (CHIP) RB160L-40 TE25 PSANHA (VS59760) 01D219 -- DIODE (CHIP) RB160L-40 TE25 PSANHA (VS59760) 01D220 -- DIODE DE3S6M PSANHA (WE49220) 02✽ : New PartsPSANHA and PSANHBRANK: Japan only35
NXAMP4x4REF NO. PART NO. DESCRIPTION REMARKS QTY RANKD221 -- DIODE (CHIP) RB160L-40 TE25 PSANHA (VS59760) 01-224 -- DIODE (CHIP) RB160L-40 TE25 PSANHA (VS59760) 01D226 -- DIODE (CHIP) RB160L-40 TE25 (VS59760) 01D227 -- DIODE 1SS244 TP (WA18030) 01D301 -- DIODE 1SS244 TP (WA18030) 01D302 -- DIODE 1SS244 TP (WA18030) 01D303 -- ZENER DIODE UDZS12B TE-17 12V (VU17280) 01D304 -- ZENER DIODE UDZS12B TE-17 12V (VU17280) 01D307 -- DIODE AG01A WS (V862980) 01D308 -- DIODE AG01A WS (V862980) 01D309 -- DIODE (CHIP) 1.1A 200V D1FL20U (VV46300) 01-312 -- DIODE (CHIP) 1.1A 200V D1FL20U (VV46300) 01D313 -- DIODE RL3A LFNO.014-302 (V862970) 02-316 -- DIODE RL3A LFNO.014-302 (V862970) 02D317 -- DIODE (CHIP) 1.1A 200V D1FL20U (VV46300) 01D318 -- DIODE (CHIP) 1.1A 200V D1FL20U (VV46300) 01D323 -- DIODE (CHIP) 1.1A 200V D1FL20U (VV46300) 01-328 -- DIODE (CHIP) 1.1A 200V D1FL20U (VV46300) 01D329 -- ZENER DIODE UDZS16B 16V (VU17310) 01D330 -- ZENER DIODE UDZS12B TE-17 12V (VU17280) 01D331 -- ZENER DIODE UDZS16B 16V (VU17310) 01D332 -- ZENER DIODE UDZS12B TE-17 12V (VU17280) 01D333 -- SHOTKY DIODE RB551V-30 (V963430) 01D334 -- SHOTKY DIODE RB551V-30 (V963430) 01 F101 VT94300R FUSE TH 3.15A S 250V Time lag 01 F301 WA86450R FUSE 30A 250V Fast-Acting J,U 03 F301 WK132000 FUSE T 12.00A U CHN F302 WA86450R FUSE 30A 250V Fast-Acting J,U 03 F302 WK132000 FUSE T 12.00A U CHNF303 WE90920R FUSE 5.0A Fast-Acting 02F304 WE90920R FUSE 5.0A Fast-Acting 02H101 -- HEAT SINK UNIT AN-PA-HIGH 100mm (WK66920)H102 -- HEAT SINK UNIT AN-PA-HIGH 60mm (WK66930)H103 -- HEAT SINK UNIT AN-PA-HIGH 50mm PSANHA (WK66950)H103 -- HEAT SINK UNIT 50mm PSANHB (WK66980)H104 -- HEAT SINK UNIT AN-PA-HIGH 100mm (WK66910)H105 -- HEAT SINK UNIT AN-PA-HIGH 60mm (WK66940)H106 -- HEAT SINK UNIT NX,TX6 25mm (WM44760)IC202 -- IC NJM7815FA REGULATOR +15V (XD853A0) 03IC203 -- IC NJM7815FA REGULATOR +15V (XD853A0) 03IC204 -- IC NJM431U(TE1) VARIABLE SHUNT REGULATOR 01(X6770A0)IC205 -- IC NJU7630M(TE1) PWM SWITCHING REGULATOR 04(X8682A0)IC208 -- IC PQ1CX12H2ZPQ REGULATOR (X6188A0) 06IC301 -- IC SG2525AN PWM IC PULSE WIDTH MODULATO 03(X8960A0)IC302 X 2382A04 IC IR2110PBF IR2110PBF 06IC303 X 2382A04 IC IR2110PBF IR2110PBF 06J301 -- WIRE HARNESS 0.55 TIN J,U (VA07891)-304 -- WIRE HARNESS 0.55 TIN J,U (VA07891)J305 -- WIRE HARNESS 0.55 TIN CHN (VA07891)J306 -- WIRE HARNESS 0.55 TIN CHN (VA07891)J307 -- WIRE HARNESS 0.55 TIN J,U (VA07891)-310 -- WIRE HARNESS 0.55 TIN J,U (VA07891)J311 -- WIRE HARNESS 0.55 TIN CHN (VA07891)J312 -- WIRE HARNESS 0.55 TIN CHN (VA07891)K101 -- PLATE, GND MLA8 (WC53340) L101 -- COIL LDFM025252MJ-H0E Y (WH26940) 13 L102 -- COIL LDFM025252MJ-H0E Y (WH26940) 13L201 -- CHIP INDUCTANCE 6.8uH (WK03780) 01-204 -- CHIP INDUCTANCE 6.8uH PSANHA (WK03780) 01L205 -- COIL 10uH LH L 08TB100 PSANHA (VR92920) 01L206 -- POWER INDUCTOR 10uH 7313NA100M RX PSANHA (WD95290) 02L207 -- COIL 220uH PSANHA (WK11970) 03L208 -- CHIP INDUCTANCE 6.8uH PSANHA (WK03780) 01-210 -- CHIP INDUCTANCE 6.8uH PSANHA (WK03780) 01L301 -- CHIP INDUCTANCE 6.8uH (WK03780) 01L302 -- CHIP INDUCTANCE 6.8uH (WK03780) 01 PH201 -- PHOTO COUPLER TLP781(D4-GR,F) (WP38820) 01✽ : New PartsPSANHA and PSANHBRANK: Japan only36
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 75 and 76: NXAMP4x4 7
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 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 125: NXAMP4x4REF NO. PART NO. DESCRIPTIO
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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