SERVICE MANUAL - Nexo

More documents

Recommendations

Info

NXAMP4x4SN74ABT245BNSR (XU009A0)BUS TransceiverCONTROL: IC062SN74LV14APWR (X6688A0)InverterCONTROL: IC063DIR120 VccA1114 VCCA1219 OEY1213 A6A2A3A434518 B117 B216 B3A2Y2A3Y3345612 Y611 A510 Y59 A4A5615 B4GND78Y4A6714 B5A7813 B6A8912 B7GND 1011 B8SN74LV273APWR (X5074A0)D-type Flip FlopCONTROL: IC057-061CLR1Q1D2D2Q3Q3D4D4QGND1234567891020191817161514131211V CC8Q8D7D7Q6Q6D5D5QCLKCLKCLR1111D31DRC11Q22D41DRC12Q53D71DRC13Q64D81DRC14Q95D131DRC15Q6D14121DRC16Q7D17151DRC17Q8D181DRC116 198Q (X5966A0)Buffer/DriverCONTROL: IC055, 056PN-AN: IC001G1A1A2A3A4A5123456201918171615VccG2Y1Y2Y3Y4A6714Y5A7813Y6A8912Y7GND1011Y8SN74LV4052APWR (X6976A0)DemultiplexerCONTROL: IC049131-COMSN74LVC00APWR (X5406A0)NANDCONTROL: IC0402Y02Y22-COM2Y32Y1INHGNDGND12345678161514131211109V CC1Y21Y11-COM1Y01Y3ABA 10 9B12141511151Y01Y11Y21Y32Y02Y11A 11B 21Y 32A 42B 52Y 614131211109Vcc4B4A4Y3B3A22Y2GND 783YINH642Y332-COM42
NXAMP4x4SN74LVC157APWR (X6786A0)Data SelectorCONTROL: IC046, 051SN74LVC245APWR (XZ287A0)Bas TransceiverCONTROL: IC054TC74LCX04FT (X8415A0)InverterCONTROL: IC0641A 2DIR120 Vcc1A114VCCA/B1A1B1Y2A2B2YGND12345678161514131211109V CCG4A4B4Y3A3B3Y1B 32A 52B 63A 113B 104A 144B 13G 15A/B 14 1Y7 2Y9 3Y12 4YA1A2A3A4A5A6A7A82345678919 OE18 B117 B216 B315 B414 B513 B612 B71Y2A2Y3A3YGND23456713121110986A6Y5A5Y4A4YGND 1011 B8SN74LVC2G74DCTR (X8709A0)Flip FlopCONTROL: IC042PRE 7CLK 1CCCTG5QCCCCD 2TGTGTGCLR 6CCC3Q (X8576A0)RegulatorPSANH: IC201CONTROL (1C)Z C01INTERNALSUPPLYDRAIN (7D)EXTERNALCURRENT LIMIT (3X)LINE-SENSEL (2L)I FB6.8VSOFT START4.6V5.0VINTERNAL UVCOMPARATORSOFTSTARTON/OFFV BG+ V TSTOP LOGIC1 VV BGSTOP SOFT-OVAIVSTARTCURRENTLIMITADJUSTLINESENSEV CV I(LIMIT)SHUNT REGULATOR/ERROR AMPLIFIERCLOCK+8SHUTDOWNAUTO-RESTARTHYSTERETICTHERMALSHUTDOWNCURRENT LIMITCOMPARATORCONTROLLEDTURN-ONGATE DRIVERTab internallyconnected toSOURCE pinFREQUENCY (5F)HALFFREQSAWOSCILLATOR WITH JITTERPWMCOMPARATORSRQLEADINGEDGEBLANKING1C2L3X4S5F7DR ELIQHT LOADFREQUENCYREDUCTIONSOURCE (4S)43
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: NXAMP4x4NJU7630-M (X8682A0)Regulato
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 99 and 100:
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:
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:
show all

SERVICE MANUAL - Nexo

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?