Yamaha-XP7000-pwr-sm(1) 维修电路原理图.pdf

SERVICE MANUALPOWER AMPLIFIERSPECIFICATIONS （総合仕様） . 3/5MONITOR/REMOTE PIN LAYOUT（MONITOR/REMOTE） . 4/6DIMENSIONS （寸法図）. 7PERFOMANCE GRAPHS （特性図） . 7PANEL LAYOUT （） . 8CIRCUIT BOARD LAYOUT & WIRING（結線図） . 10DISASSEMBLY PROCEDURES （分解手順）. 16IC BLOCK DIAGRAM （IC図） . 23CIRCUIT BOARDS （基板図） . 24INSPECTIONS （検査） . 36/42PS CIRCUIT BOARD REPAIR GUIDE（PS故障修理） . 48/56PARTS LISTIC & DIODE OUTSIDE FIGURE （外形図）BLOCK DIAGRAM （）WIRING DIAGRAM （基板結線図）CIRCUIT DIAGRAM （回路図）I CONTENTS （目次）XP7000: 200512-281400XP5000: 200512-239400PA011812HAMAMATSU, JAPANCopyright (c) Yamaha Corporation. All rights reserved. 06.01（ECF：無塩素系漂白）使用。This document is printed on chlorine free (ECF) paper.XP7000XP5000/RadioFans.CN 收音机爱 好者资料库XP7000/XP5000161.Rack Angle (Time required: about 1 min.)1-1Remove the three (3) screws marked 470 for each side.The rack angle can then be removed. (Fig. 1)2.Top Cover (Time required: about 2 min.)2-1Remove the eleven (11) screws marked 530.The top cover can then be removed. (Fig. 1)I DISASSEMBLY PROCEDURES （分解手順）1. （所要時間：約1分）1-1470 左右3本外、外。 （Fig. 1）2. （所要時間：約2分）2-1530 11本外、外。（Fig. 1）3.PA Unit (Time required: about 5 min.)3-1Remove the top cover. (See procedure 2.)3-2Remove the six (6) screws marked 200 for each sidefrom the bottom. The PA units can then be removed.(Fig. 2)*Flat washers are attached between the main chassisand PA unit. Take care not to lose flat washers whenremoving screw marked 200.3.PA （所要時間：約5分）3-1外。 （2項参照）3-2本体底面 200 左右6本外、各PA外。 （Fig. 2）* PA間平座金。 200 外、平座金紛失注意。310: Pan Head Screw 2.6X6 MFZN2B3 (WE986400) 小 + PAN320: Bonding Tapping Screw-B 3.0X10 MFZN2B3 (WE878000) B + BOND345: Bind Head Tapping Screw-S 3.0X6 MFZN2B3 (WE877800) S + BIND470: Bind Head Screw 4.0X10 MFZN2B3 (WE980400) 小 + BIND530: Bind Head Screw 4.0X8 MFZN2B3 (WE962000) B + BIND(Fig. 1)530470470530530 345320320310345530530200200200: Bind Head Screw 4.0X8 MFZN2B3 (WE962000) B + BIND(Fig. 2)RadioFans.CN 收音机爱 好者资料库XP7000/XP5000174.PS （所要時間：約5分）4-1外。 （2項参照）4-2230 9本外、PS外。 （Fig. 3）4.PS Circuit Board (Time required: about 5 min.)4-1Remove the top cover. (See procedure 2.)4-2Remove the nine (9) screws marked 230.The PS cir-cuit board can then be removed. (Fig. 3)5.IO 1/4 （所要時間：約6分）5-1外。 （2項参照）5-2310 2本、 320 4本 345 2本外。 （Fig. 1）5-3340 2 本外、6角外。（Fig. 4）5-4IO 1/4IO 2/4束線W302接続、IO 1/4側端子W302B、IO 2/4側端子W302A外。IO 3/4束線W301接続、IO 1/4側端子W301A、IO 3/4側端子W301B外。IO 1/4外。* IO 1/4再度取付、外側出後、穴通。（Fig. 5）* IO 1/4単体。5.IO 1/4 Circuit Board (Time required: about 6 min.)5-1Remove the top cover. (See procedure 2.)5-2Remove the two (2) screws marked 310, the four (4)screws marked 320 and the two (2) screws marked345. (Fig. 1)5-3Remove the two (2) screws marked 340 to remove thetwo hexagonal spacers. (Fig. 4)5-4Remove the solder of W302B on the IO 1/4 circuit board,or W302A on the IO 2/4 circuit board since the IO 1/4circuit board and the IO 2/4 circuit board are connectedwith connector assembly W302. Also remove the solderof W301A on the IO 1/4 circuit board, or W301B on theIO 3/4 circuit board since the IO 1/4 circuit board andthe IO 3/4 circuit board are connected with connectorassembly W301. The IO 1/4 circuit board can then beremoved.*When reinstalling the IO 1/4 circuit board, let thehooks of the XLR connectors out of the chassis atfirst, and inserts the jacks or switches into the holeson the chassis. (Fig. 5)*The IO 1/4 circuit board is not available as serviceparts individually.230230: Bind Head Tapping Screw-S 3.0X6 MFZN2W3 (WE877900) S + BIND(Fig. 3)6.IO 2/4 （所要時間：約6分）6-1外。 （2項参照）6-2IO 1/4外。 （5項参照）6-3IO 2/4IO 1/4束線W302接続、IO 2/4側端子W302A、IO 1/4側端子W302B外。IO 2/4外。* IO 2/4単体。6.IO 2/4 Circuit Board (Time required: about 6 min.)6-1Remove the top cover. (See procedure 2.)6-2Remove the IO 1/4 circuit board. (See procedure 5.)6-3Remove the solder of W302A on the IO 2/4 circuit board,or W302B on the IO 1/4 circuit board since the IO 2/4circuit board and the IO 1/4 circuit board are connectedwith connector assembly W302. The IO 2/4 circuit boardcan then be removed.*The IO 2/4 circuit board is not available as serviceparts individually.XP7000/XP5000187.IO 3/4 Circuit Board (Time required: about 4min.)7-1Remove the top cover. (See procedure 2.)7-2Remove the two (2) hexagonal locked spacers. (Fig. 6)7-3Remove the four (4) screws marked 360. (Fig. 6)7-4Remove the solder of W301B on the IO 3/4 circuit board,or W301A on the IO 1/4 circuit board since the IO 3/4circuit board and the IO 1/4 circuit board are connectedwith connector assembly W301. Also remove the solderof W303A on the IO 3/4 circuit board, or W303B on theIO 4/4 circuit board since the IO 3/4 circuit board andthe IO 4/4 circuit board are connected with connectorassembly W303. The IO 3/4 circuit board can then beremoved.*The IO 3/4 circuit board is not available as serviceparts individually.(Fig. 5)7.IO 3/4 （所要時間：約4分）7-1外。 （2項参照）7-26角2本外。 （Fig. 6）7-3360 4本外。 （Fig. 6）7-4IO 3/4IO 1/4束線W301接続、IO 3/4側端子W301B、IO 1/4側端子W301A外。IO 4/4束線W303接続、IO 3/4側端子W303A、IO 4/4側端子W303B外。IO 3/4外。* IO 3/4単体。340: Bind Head Tapping Screw-S 3.0X6 MFZN2W3 (WE877900)S + BIND350: Bonding Tapping Screw-B 3.0X10 MFZN2B3 (WE878000)B + BOND340Hexagonal Spacer6角Hexagonal Spacer6角340Hooks(Fig. 4)3508.IO 4/4 （所要時間：約5分）8-1外。 （2項参照）8-2IO 3/4外。 （7項参照）8-3550 2本外、SP外。 （Fig. 6）8-4350 2本外。 （Fig. 7）8-5IO 4/4IO 3/4束線W303接続、IO 4/4側端子W303B、IO 3/4側端子W303A外。IO 4/4外。* IO 4/4単体。8.IO 4/4 Circuit Board (Time required: about 5 min.)8-1Remove the top cover. (See procedure 2.)8-2Remove the IO 3/4 circuit board. (See procedure 6.)8-3Remove the two (2) screws marked 550.Remove the speaker terminal cover. (Fig. 6)8-4Remove the two (2) screws marked 350. (Fig. 7)8-5Remove the solder of W303B on the IO 4/4 circuit board,or W303A on the IO 3/4 circuit board since the IO 4/4circuit board and the IO 3/4 circuit board are connectedwith connector assembly W303. The IO 4/4 circuit boardcan then be removed.*The IO 4/4 circuit board is not available as serviceparts individually.550360Speaker Terminal CoverSPHexagonal Locked Spacer6角360: Flat Head Tapping Screw-B 3.0X8 MFZN2B3 (WF266800)B + FLAT550: Bind Head Tapping Screw-S 3.0X6 MFZN2B3 (WE877800)S + BIND(Fig. 7)(Fig. 6)XP7000/XP5000199.部 （所要時間：約5分）9-1外。 （1項参照）9-2外。 （2項参照）9-3束線 （4箇所） 切断。（Fig. 8）9-4450 6本外。 （Fig. 9）9-5部前方引出。9.Front Panel Unit (Time required: about 5 min.)9-1Remove the rack angle. (See procedure 1.)9-2Remove the top cover. (See procedure 2.)9-3Cut cord holder (4 point) of the connector assembly. (Fig.8)9-4Remove the six (6) screws marked 450. (Fig. 9)9-5Draws out the front panel unit.(Fig. 11)(Fig. 8)10.VR Circuit Board (Time required: about 6 min.)10-1Remove the front panel unit. (See procedure 9.)10-2Remove the attenuation knobs. (Fig. 10)10-3Remove the two (2) hexagonal nuts.The VR circuit board can then be removed. (Fig. 11)10.VR （所要時間：約6分）10-1部外。 （9項参照）10-2外。 （Fig. 10）10-36角2個外、VR外。 （Fig. 11）Front Panel side（側） Attenuation Knob Hexagonal Nut6角(Fig. 10)450450(Fig. 9)450: Bind Head Screw 4X8 MFZN2B3 (WE962000)B + BINDXP7000/XP500020(Fig. 12)7070COIL Circuit BoardCOILHexagonal Nut6角Hexagonal Spacer6角12.LED Circuit Board (Time required: about 5min.)12-1Remove the front panel unit. (See procedure 9.)12-2Remove the two (2) screws marked 180.The LED circuit board can then be removed. (Fig. 14)12.LED （所要時間：約5分）12-1部外 （9項参照）12-2180 2本外LED外。（Fig. 14）140180140: Bind Head Tapping Screw-S 3.0X6 MFZN2W3 (WE877900) S + BIND180: Bind Head Tapping Screw-S 3.0X6 MFZN2W3 (WE877900) S + BIND70:Bind Head Tapping Screw-S 3.0X6 MFZN2W3 (WE877900)S + BIND70:Bind Head Tapping Screw-S 3.0X6 MFZN2W3 (WE877900)S + BIND(Fig. 13)11.COIL Circuit Board (Time required: about 7 min.)11-1Remove the front panel unit. (See procedure 9.)11-2Remove the PS circuit board. (See procedure 4.)11-3Remove the four (4) screws marked 70.The COIL circuit board can then be removed. (Fig. 12)11-4Remove the four (4) hexagonal nuts.The four (4) hexagonal spacers can then removed.(Fig. 13)*When reinstalling the COIL circuit board, connect thered wire to PS-CN406 and the black wire to PS-CN415.11.COIL （所要時間：約7分）J/H/B/K/O仕向11-1部外。 （9項参照）11-2PS外。 （4項参照）11-370 4本外、COIL外。（Fig. 12）11-46角4個外、6角4本外。（Fig. 13）* 再度取付、 “赤” PS-CN406、 “黒” PS-CN415接続。(Fig. 14)Bottom （下側） Top （上側） XP7000/XP500021(Fig. 17)(Fig. 15)(Fig. 16)Power Switch EscutcheonPSW14.Handle (Time required: about 6 min.)14-1Remove the front panel unit. (See procedure 9.)14-2Remove the two (2) screws marked 430 for each side.The handles can then be removed. (Fig. 17)* The handle angle is removed simultaneously, at thistime.14 . （所要時間：約6分）14-1部外 （9項参照）14-2430 左右2本外、外。 （Fig. 17）* 時、同時外。Power Switch KnobPSW430Handle AngleHandle Angle430: Bind Head Screw 5.0X16 MFZN2W3 SP (WG168300) 小 + BIND13.PSW （所要時間：約10分）13-1部外。 （9項参照）13-2PSW外。 （Fig. 15）13-3裏面軽押出PSW外。* 外、図示隙間L型棒挿入、PSW引出外。（Fig. 16） 傷様注意。13-4140 2本外、PSW外。（Fig. 14）* 2印刷外、簡単取外作業行。 （15項参照）13.PSW Circuit Board (Time required: about 10 min.)13-1Remove the front panel unit. (See procedure 9.)13-2Remove the power switch escutcheon. (Fig. 15)13-3Press lightly from the panel back and remove the powerswitch knob.* When it is hard to remove the power switch knob, in-sert an L-shaped rod into the gap and pull out theknob as shown the illustration. (Fig. 16) Take care notto scratch to bruise a panel and a knob at this time.13-4Remove the two (2) screws marked 140.The PSW circuit board can then be removed. (Fig. 14)* The PSW circuit board can be removed easily if you re-move the front panel (2) beforehand. (See procedure 15.)XP7000/XP500022Hexagonal Nut6角Hexagonal Nut6角15.Front Panel (Time required: about 8 min.)15-1Remove the front panel unit. (See procedure 9.)15-2Remove the handles. (See procedure 14.)15-3Remove the eight (8) screws marked 400.The front panels can then be removed. (Fig. 18)(Fig. 19)15.1印刷、2印刷（所要時間：約8分）15-1部外 （9項参照）15-2外。 （14項参照）15-3400 8本外、1印刷2印刷外。 （Fig. 18）404040:Bind Head Screw 4.0X16 MFZN2W3 SP (WE984000) 小 + BIND16.DC （所要時間：約12分）16-1部外。 （9項参照）16-2外DC同側PA外。（3項参照）16-340 左右2本6角左右2個外、DC外。 （Fig. 19）16.Fan (Time required: about 12 min.)16-1Remove the front panel unit. (See procedure 9.)16-2Remove the PA unit located on the same side as the fanto remove. (See procedure 3.)16-3Remove the two (2) screws marked 40 and the two (2)hexagonal nuts for each side. Fans can then be removed.(Fig. 19)400Front Panel (1)1印刷Front Panel (2)2印刷(Fig. 18)400: Hex Socket Set Screw-S 3.0X10 MFZN2B3 (WF419400) S6角孔付XP7000/XP500023 NJM2068MD-TE2 (X3505A00)Dual Operational AmplifierXP7000SUB:IC301, IC302, IC303, IC304, IC305PAH: IC201XP5000SUB:IC301, IC302, IC303, IC304, IC305PAH: IC201I IC BLOCK DIAGRAM （IC 図） IR2110 (X2382A00)DriverXP7000PS:IC402XP5000PS:IC402 SG3525AN (X2383A00)Regulating Pulse Width ModulatorXP7000PS:IC401XP5000PS:IC4011234-V8765Output A+VNon-InvertingInput A-DC Voltage Supply+DC VoltageSupplyOutput BInvertingInput BNon-InvertingInput BInvertingInput A+-+-1LO234567COMVCCVSVBHO91011121314VSSLINSDHINVDD8VDD/VCCLEVELSHIFTPULSEGENPULSEGENVDDVSSHINSDLIN109111213RSQRSQVDD/VCCLEVELSHIFTHVLEVELSHIFTUVDETECTUVDETECTDELAYPULSEFILTERRRSQ675312COMLOVCCVSVBHOINV. INPUTNN.I. INPUTSYNCOSC. OUTPUTCTRTDISCHARGESOFT-STARTVREF+VINVCGROUNDOUTPUT ASHUTDOWNCOMPENSATIONOUTPUT BOSCILLATOR1615413111412810367512FLIP/FLOPREFERENCEREGULATORE/ABA5K5K50 APWM91INV. INPUTN2345678N.I. INPUTSYNCOSC. OUTPUTCTRTDISCHARGESOFT-START111213141516VREF+VINOUTPUT BVCGROUNDOUTPUT ASHUTDOWNCOMPENSATION910XP7000/XP500024 COIL Circuit Boardto PS-CN415to PS-CN406Component side (部品側)Pattern side (側)2NA-WF40160 1 (XP7000)2NA-WF40160 1 (XP5000)H/B/K/O destinationsComponent sidePattern sideL701, L702Cord holderPut cord holder through the holes of circuit board.（ 基板穴通固定 ） CONTENTS （目次） COIL Circuit Board(X6755B0).24 LED Circuit Board(X6754D0) .25 PAH Circuit Board(X6750B0).26 PS Circuit Board(X6752C0) .28 IO 1/4 Circuit Board(X6754D0) .32 IO 2/4 Circuit Board(X6754D0) .33 IO 3/4 Circuit Board(X6754D0) .33 IO 4/4 Circuit Board(X6754D0) .34 PSW Circuit Board(X6754D0) .35 VR Circuit Board(X6754D0) .35I CIRCUIT BOARDS （基板図）XP7000/XP500025 LED Circuit Boardto PS-CN410POWER/STANDBYPROTECTIONTEMPCLIPSIGNALComponent side (部品側)Pattern side (側)2NA-WF39910 3 (XP7000)2NA-WF39910 3 (XP5000)XP7000/XP500026 PAH Circuit Boardto IO 1/4-CN302 (Ach, Bch)to PS-CN412 (Ach)to PS-CN411 (Bch)AABBto IO 3/4-W304 (Ach)to IO 3/4-W306 (Bch)2NA-WF39660 1 (XP7000)2NA-WF39660 1 (XP5000)Pattern side (側)Component side (部品側)XP7000/XP500027AABBto PS-W401 (Ach)to PS-W406 (Bch)to PS-W402 (Ach)to PS-W407 (Bch)to PS-W403 (Ach)to PS-W408 (Bch)Component side (部品側)Pattern side (側)2NA-WF39660 1 (XP7000)2NA-WF39660 1 (XP5000)Following semi-conductors areinstalled for the PA unit.（下記半導体PA取付）O:Installed :Not installedRef.D124D125D126D127Q112-115Q116Q117Q135Q136Q218Q118NQ118PQ119NQ119PQ120NQ120PQ121NQ121PQ122NQ122PQ123NQ123PQ125NQ125PQ126NQ126PPR201PR202XP5000OOOOOOOOOOOOOOOOOOOOOOOOOOOXP7000OOOOOOOOOOOOOOOOOOOOOOOOOOOOOXP7000/XP500028 PS Circuit Boardto FAN (Ach)to LED-W310to IO 3/4-CN304TEMP LED TEST POINTto FAN (Bch)FAN TEST POINTto PAH-CN104 (Bch)to PAH-CN103 (Bch)to PAH-CN103 (Ach)to PAH-CN105 (Bch)to PAH-CN105 (Ach)to IO 3/4-W305to PAH-CN104 (Ach)to PAH-CN201 (Ach)to PAH-CN201 (Bch)to IO 1/4-CN302AA2NA-WF39710 2 (XP7000)2NA-WF39710 2 (XP5000)Component side (部品側)XP7000/XP500029to PSW-W308to PSW-W309to COIL-W702 *to AC INto AC INto COIL-W701 *to PSW-W307* J/H/B/K/O destinations only.AAComponent side (部品側)2NA-WF39710 2 (XP7000)2NA-WF39710 2 (XP5000)XP7000/XP500030BB2NA-WF39710 2 (XP7000)2NA-WF39710 2 (XP5000)Pattern side (側)XP7000/XP500031BBPattern side (側)2NA-WF39710 2 (XP7000)2NA-WF39710 2 (XP5000)XP7000/XP500032 IO 1/4 Circuit Boardto IO 2/4-W302Ato IO 3/4-W301Bto VR-CN303to PAH-CN202 (Ach, Bch)to PS-CN408BAINPUTHPFHPFGAINMODE20Hz26dB32dB+4dBuBRIDGEPARALLELSTEREOOFF55Hz20HzOFF55HzComponent side (部品側)Pattern side (側)2NA-WF39910 3 (XP7000)2NA-WF39910 3 (XP5000)XP7000/XP500033 IO 2/4 Circuit Board IO 3/4 Circuit Boardto IO 1/4-W302BINPUTGGComponent side (部品側)Pattern side (側)to IO 4/4-W303Bto PS-CN416to PAH-CN102 (Ach)to PAH-CN102 (Bch)to IO 1/4-W301Ato PS-CN501MONITOR/REMOTESPEAKERS22Component side (部品側)Pattern side (側)2NA-WF39910 3 (XP7000)2NA-WF39910 3 (XP5000)2NA-WF39910 3 (XP7000)2NA-WF39910 3 (XP5000)XP7000/XP500034 IO 4/4 Circuit Boardto IO 3/4-W303ABABRIDGE11Component side (部品側)Pattern side (側)2NA-WF39910 3 (XP7000)2NA-WF39910 3 (XP5000)XP7000/XP500035 PSW Circuit Boardto PS-CN405to PS-CN403to PS-CN404POWERON/OFF VR Circuit Boardto IO 1/4-CN301BAComponent side (部品側)Pattern side (側)2NA-WF39910 3 (XP7000)2NA-WF39910 3 (XP5000)2NA-WF39910 3 (XP7000)2NA-WF39910 3 (XP5000)XP7000/XP500036IINSPECTIONS1.Applicable rangeApplicable to the power amplifiers XP7000/XP5000.*For the details of adjustment points, refer to “Switches and Adjustment Points” (p. 41).2.Preparation for STEREO/PARALLEL modeAttenuator: “0” (MAX) (both channels)Input terminal: XLR connector 2PIN-HOT/3PIN-COLD/1PIN-GNDMODE switch: STEREOGAIN switch: 32 dBHPF switch: OFF (both channels)Load resistance: 8 ohms +/- 1%Unless otherwise specified, use above settings for all inspection items of the STE