Yamaha-XP7000-pwr-sm电路图维修手册.pdf

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1、SERVICE MANUAL POWER AMPLIFIER SPECIFICATIONS （総合仕様） . 3/5 MONITOR/REMOTE PIN LAYOUT （MONITOR/REMOTE） . 4/6 DIMENSIONS （寸法図）. 7 PERFOMANCE GRAPHS （特性図） . 7 PANEL LAYOUT （） . 8 CIRCUIT BOARD LAYOUT & WIRING （結線図） . 10 DISASSEMBLY PROCEDURES （分解手順）. 16 IC BLOCK DIAGRAM （IC図） . 23 CIRCUIT BOARDS （基板図）

2、. 24 INSPECTIONS （検査） . 36/42 PS CIRCUIT BOARD REPAIR GUIDE （PS故障修理） . 48/56 PARTS LIST IC & 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: 200512-281400 XP5000: 200512-239400 PA011812 HAMAMATSU, JAPAN Copyright (c) Yamaha Corporation

3、. All rights reserved. 06.01 （ECF：無塩素系漂白）使用。 This document is printed on chlorine free (ECF) paper. XP7000 XP5000 / RadioFans.CN 收音机爱好者资料库 XP7000/XP5000 16 1.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

4、) 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

5、 cover. (See procedure 2.) 3-2Remove the six (6) screws marked 200 for each side from the bottom. The PA units can then be removed. (Fig. 2) *Flat washers are attached between the main chassis and PA unit. Take care not to lose flat washers when removing screw marked 200. 3.PA （所要時間：約5分） 3-1外。（2項参照

6、） 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 + PAN 320: Bonding Tapping Screw-B 3.0X10 MFZN2B3 (WE878000) B + BOND 345: Bind Head Tapping Screw-S 3.0X6 MFZN2B3 (WE877800) S + BIND 470: Bind Head Screw 4.0X10 MFZN2B3 (WE980400) 小 + BIND

7、 530: Bind Head Screw 4.0X8 MFZN2B3 (WE962000) B + BIND (Fig. 1) 530 470470 530 530 345 320320310 345530530 200200 200: Bind Head Screw 4.0X8 MFZN2B3 (WE962000) B + BIND (Fig. 2) RadioFans.CN 收音机爱好者资料库 XP7000/XP5000 17 4.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 r

8、equired: 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

9、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 (

10、2) screws marked 345. (Fig. 1) 5-3Remove the two (2) screws marked 340 to remove the two 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 1/4 circuit board and the IO 2/4 circuit board are connected with connecto

11、r assembly W302. Also remove the solder of W301A on the IO 1/4 circuit board, or W301B on the IO 3/4 circuit board since the IO 1/4 circuit board and the IO 3/4 circuit board are connected with connector assembly W301. The IO 1/4 circuit board can then be removed. *When reinstalling the IO 1/4 circu

12、it board, let the hooks of the XLR connectors out of the chassis at first, and inserts the jacks or switches into the holes on the chassis. (Fig. 5) *The IO 1/4 circuit board is not available as service parts individually. 230 230: Bind Head Tapping Screw-S 3.0X6 MFZN2W3 (WE877900) S + BIND (Fig. 3)

13、 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 so

14、lder of W302A on the IO 2/4 circuit board, or W302B on the IO 1/4 circuit board since the IO 2/4 circuit board and the IO 1/4 circuit board are connected with connector assembly W302. The IO 2/4 circuit board can then be removed. *The IO 2/4 circuit board is not available as service parts individual

15、ly. RadioFans.CN 收音机爱好者资料库 XP7000/XP5000 18 7.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

16、 board, or W301A on the IO 1/4 circuit board since the IO 3/4 circuit board and the IO 1/4 circuit board are connected with connector assembly W301. Also remove the solder of W303A on the IO 3/4 circuit board, or W303B on the IO 4/4 circuit board since the IO 3/4 circuit board and the IO 4/4 circuit

17、 board are connected with connector assembly W303. The IO 3/4 circuit board can then be removed. *The IO 3/4 circuit board is not available as service parts 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

18、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 + BIND 350: Bonding Tapping Screw-B 3.0X10 MFZN2B3 (WE878000) B + BOND 340 Hexagonal Spacer 6角 Hexagonal Spacer 6角 340 Hooks (Fig. 4) 350 8.IO 4/4 （所要時間：約5分） 8-1

19、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 procedu

20、re 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 4/4 circuit board and the IO 3/4 circuit board ar

21、e connected with connector assembly W303. The IO 4/4 circuit board can then be removed. *The IO 4/4 circuit board is not available as service parts individually. 550 360 Speaker Terminal Cover SP Hexagonal Locked Spacer 6角 360: Flat Head Tapping Screw-B 3.0X8 MFZN2B3 (WF266800) B + FLAT 550: Bind He

22、ad Tapping Screw-S 3.0X6 MFZN2B3 (WE877800) S + BIND (Fig. 7)(Fig. 6) XP7000/XP5000 19 9.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 cove

23、r. (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.) 10-2Rem

24、ove 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 Nut 6角 (Fig. 10) 450 450 (Fig. 9) 450: Bind Head Sc

25、rew 4X8 MFZN2B3 (WE962000) B + BIND XP7000/XP5000 20 (Fig. 12) 70 70 COIL Circuit Board COIL Hexagonal Nut 6角 Hexagonal Spacer 6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

26、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） 140 180 140: Bind Head Tapping Screw-S 3.0X6 MFZN2W3 (WE877900) S + BIND 180: Bind Head Tapping Screw-S 3.0X6 MFZN2W3 (WE877900) S + BIND 70:Bind Head Tapping Screw-S 3.0X6 MFZN2W3 (WE877900) S + BIND 70:Bind Head

27、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

28、. (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 the red 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。（

29、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/XP5000 21 (Fig. 17) (Fig. 15)(Fig. 16) Power Switch Escutcheon PSW 14.Handle (Time required: about 6 min.) 14-1Remove the front panel unit. (See procedure 9.) 14-2Remove the two (2) screw

30、s marked 430 for each side. The handles can then be removed. (Fig. 17) * The handle angle is removed simultaneously, at this time. 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 Knob PSW 430 Handle Angle Handle Angle 430: Bind Head Screw 5.0X16 MFZN2W3 SP (WG168300)

31、小 + BIND 13.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 swit

32、ch escutcheon. (Fig. 15) 13-3Press lightly from the panel back and remove the power switch knob. * When it is hard to remove the power switch knob, in- sert an L-shaped rod into the gap and pull out the knob as shown the illustration. (Fig. 16) Take care not to scratch to bruise a panel and a knob a

33、t 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/XP5000 22 Hexagonal Nut 6角 Hexagonal Nut 6角 15.Front Panel (Time requir

34、ed: 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） 4

35、0 40 40:Bind Head Screw 4.0X16 MFZN2W3 SP (WE984000) 小 + BIND 16.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 fan

36、to 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) 400 Front 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/XP5000 23 NJM2068MD-TE2 (X3

37、505A00) Dual Operational Amplifier XP7000SUB:IC301, IC302, IC303, IC304, IC305 PAH: IC201 XP5000SUB:IC301, IC302, IC303, IC304, IC305 PAH: IC201 I IC BLOCK DIAGRAM （IC 図） IR2110 (X2382A00) Driver XP7000PS:IC402 XP5000PS:IC402 SG3525AN (X2383A00) Regulating Pulse Width Modulator XP7000PS:IC401 XP5000

38、PS:IC401 1 2 3 4-V 8 7 6 5 Output A+V Non-Inverting Input A -DC Voltage Supply +DC Voltage Supply Output B Inverting Input B Non-Inverting Input B Inverting Input A +- +- 1 LO 2 3 4 5 6 7 COM VCC VS VB HO 9 10 11 12 13 14 VSS LIN SD HIN VDD 8 VDD/VCC LEVEL SHIFT PULSE GEN PULSE GEN VDD VSS HIN SD LI

39、N 10 9 11 12 13 R S Q RSQ VDD/VCC LEVEL SHIFT HV LEVEL SHIFT UV DETECT UV DETECT DELAY PULSE FILTER R R S Q 6 7 5 3 1 2COM LO VCC VS VB HO INV. INPUTN N.I. INPUT SYNC OSC. OUTPUT CT RT DISCHARGE SOFT-START VREF +VIN VC GROUND OUTPUT A SHUTDOWN COMPENSATION OUTPUT B OSCILLATOR 1615 4 13 11 14 12 8 10

40、 3 6 7 5 1 2 FLIP/ FLOP REFERENCE REGULATOR E/A B A 5K 5K 50 APWM9 1INV. INPUTN 2 3 4 5 6 7 8 N.I. INPUT SYNC OSC. OUTPUT CT RT DISCHARGE SOFT-START 11 12 13 14 15 16VREF +VIN OUTPUT B VC GROUND OUTPUT A SHUTDOWN COMPENSATION9 10 XP7000/XP5000 24 COIL Circuit Board to PS-CN415to PS-CN406 Component s

41、ide (部品側) Pattern side (側) 2NA-WF40160 1 (XP7000) 2NA-WF40160 1 (XP5000) H/B/K/O destinations Component side Pattern side L701, L702 Cord holder Put 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 Boar

42、d(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) .35 I CIRCUIT BOARDS （基板図） XP7000/XP5000 25 LED Circuit Board t

43、o PS-CN410 POWER/STANDBY PROTECTION TEMP CLIP SIGNAL Component side (部品側)Pattern side (側) 2NA-WF39910 3 (XP7000) 2NA-WF39910 3 (XP5000) XP7000/XP5000 26 PAH Circuit Board to IO 1/4-CN302 (Ach, Bch) to PS-CN412 (Ach) to PS-CN411 (Bch) A A B B to IO 3/4-W304 (Ach) to IO 3/4-W306 (Bch) 2NA-WF39660 1 (X

44、P7000) 2NA-WF39660 1 (XP5000) Pattern side (側) Component side (部品側) XP7000/XP5000 27 A A B B to 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-conduc

45、tors are installed for the PA unit. （下記半導体PA取付） O:Installed :Not installed Ref. D124 D125 D126 D127 Q112 -115 Q116 Q117 Q135 Q136 Q218 Q118N Q118P Q119N Q119P Q120N Q120P Q121N Q121P Q122N Q122P Q123N Q123P Q125N Q125P Q126N Q126P PR201 PR202 XP5000 O O O O O O O O O O O O O O O O O O O O O O O O O

46、 O O XP7000 O O O O O O O O O O O O O O O O O O O O O O O O O O O O O XP7000/XP5000 28 PS Circuit Board to FAN (Ach) to LED-W310 to IO 3/4-CN304 TEMP LED TEST POINT to FAN (Bch) FAN TEST POINT to PAH-CN104 (Bch) to PAH-CN103 (Bch) to PAH-CN103 (Ach) to PAH-CN105 (Bch) to PAH-CN105 (Ach) to IO 3/4-W305 to PAH-CN104 (Ach) to PAH-CN201 (Ach) to PAH-CN201 (Bch) to IO 1/4-CN302 A A 2NA-WF3971