Yamaha XM4080, XM4180 Power Amp Service Manual 电路图.pdf

《Yamaha XM4080, XM4180 Power Amp Service Manual 电路图.pdf》由会员分享，可在线阅读，更多相关《Yamaha XM4080, XM4180 Power Amp Service Manual 电路图.pdf（138页珍藏版）》请在收音机爱好者资料库上搜索。

1、XM4180/XM4080 1 SERVICE MANUAL XM4180: 200511-207900 XM4080: 200511-144900 CONTENTS SPECIFICATIONS. 3 CIRCUIT BOARD LAYOUT. 4 WIRING. 5 DIMENSIONS. 6 PANEL LAYOUT. 7 DISASSEMBLY PROCEDURE. 8 IC BLOCK DIAGRAM. 15 CIRCUIT BOARDS. 16 INSPECTIONS. 33/40 TROUBLESHOOTING. 47/74 PARTS LIST BLOCK DIAGRAM CI

2、RCUIT DIAGRAM POWER AMPLIFIER XM4180 XM4080 Copyright (c) Yamaha Corporation. All rights reserved. PDF 05.11 HAMAMATSU, JAPAN PA011805 （総合仕様） （） （結線図） （寸法図） （） （分解手順） （IC図） （基板図） （検査） （） （） （回路図） （目次） RadioFans.CN 收音机爱 好者资料库 2 XM4180/XM4080 WARNING Components having special characteristics are marke

3、d and must be replaced with parts having specification equal to those originally installed. IMPORTANT NOTICE This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more spec

4、ifically Yamaha Products, are already known and under- stood by the users, and have therefore not been restated. WARNING :Failure to follow appropriate service and safety procedures when servicing this product may result in per- sonal injury, destruction of expensive components and failure of the pr

5、oduct to perform as specified. For these reasons, we advise all Yamaha product owners that all service required should be performed by an authorized Yamaha Retailer or the appointed service representative. IMPORTANT :This presentation or sale of this manual to any individual or firm does not constit

6、ute authorization certifi- cation, recognition of any applicable technical capabilities, or establish a principal-agent relationship of any form. The data provided is belived to be accurate and applicable to the unit(s) indicated on the cover. The research engineering, and service departments of Yam

7、aha are continually striving to improve Yamaha products. Modifications are, therefore, inevitable and changes in specification are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact the distributors Service Division. WARNING :Static dis

8、charges can destroy expensive components. Discharge any static electricity your body may have accumulated by grounding yourself to the ground bus in the unit (heavy gauge black wires connect to this bus.) IMPORTANT :Turn the unit OFF during disassembly and parts replacement. Recheck all work before

9、you apply power to the unit. WARNING: CHEMICAL CONTENT NOTICE! The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (Where applicable) components may also contain traces of chemicals found by the California Health and Welfare Agency

10、 (and possibly other entities) to cause cancer and/or birth defects or other reproductive harm. DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHAT SO EVER! Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale

11、 solder fumes or expose eyes to solder/flux vapor! If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling food. IMPORTANT NOTICE FOR THE UNITED KINGDOM Connecting the Plug and Cord WARNING: THIS APPARATUS MUST BE EARTHED IMPORTA

12、NT. The wires in this mains lead are coloured in accordance with the following code: GREEN-AND-YELLOW : EARTH BLUE : NEUTRAL BROWN : LIVE As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the terminals in your plug proceed as fo

13、llows: The wire which is coloured GREEN-and-YELLOW must be connected to the terminal in the plug which is marked by the letter E or by the safety earth symbol or colored GREEN or GREEN-and-YELLOW. The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or

14、coloured BLACK. The wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured RED. 印部品、安全維持重要部品。交換場合、安全必指定部品使用。 RadioFans.CN 收音机爱 好者资料库 XM4180/XM4080 3 SPECIFICATIONS 0 dBu=0.775 Vrms, Half Power=1/2 Output Power (3 dB below rated power) XM4180XM408

15、0 Output Power1 kHz, THD+N= 1 % 8 /Channel MIN 210 W x 4 90 W x 4 4 /Channel 250 W x 4 120 W x 4 8 /Bridged 500 W x 2 240 W x 2 20 Hz20 kHz THD+N= 0.1 % 8 /Channel 180 W x 4 80 W x 4 4 /Channel 230 W x 4 115 W x 4 8 /Bridged460 W x 2 230 W x 2 70 V/Bridged RL=16 300 W x 2 Voltage GainAtt. maxTYP30 d

16、B26 dB Power ConsumptionStandbyTYP5 W5 W IdleTYP40 W40 W 1/8 (4 /Pink noise) TYP600 W400 W THD+N20 Hz20 kHz, Half PowerMAX0.1 % Intermodulation Distortion60 Hz:7 kHz, 4:1, Half PowerMAX0.1 % Frequency ResponseRL=8 , Po=1 W, HPF=OFF, 20 Hz20 kHz MAX0 dB TYP0 dB MIN0.5 dB SN Ratio(DIN AUDIO)MIN103 dB

17、Channel SeparationHalf Power, RL=8 , 1 kHz Att. max, input 600 shunt MIN60 dB Residual Noise Att. min, (DIN AUDIO)MAX73 dBu Damping FactorRL=8 , 1kHz MIN100 Input SensitivityRL=8 , Att. max TYP +4 dBu Maximum Input Voltage MIN +22 dBu Input Impedance TYP 20 k (balanced), 10 k (unbalanced) ControlsFr

18、ont PanelPOWER switch (push on/push off) attenuator (31 position) x 4 Rear PanelMODE switch (STEREO/BRIDGE/PARALLEL) x 2 HPF switch (20 Hz/55 Hz/OFF 12 dB/oct) x 2 ConnectorsINPUTXLR-3-31 type/ch Euroblock connector (balanced) /ch SPEAKERS 5 way binding post/ch MONITOR/REMOTE Dsub 15P x 1 Indicators

19、 POWER/STANDBY x 1 (Green/Orange) SIGNAL x 4 (Green) CLIP/LIMIT x 4 (Red) PROTECT/MUTE x 4 (Red) Load ProtectionPOWER switch on/off mute DC-fault: output relay off/restored automatically. Clip limiting : THD 0.5 % Amplifier ProtectionThermal: Cuts the output (when heatsink temp. 90C); operation rest

20、ored automatically. VI limiter (RL 2 ): Limits the output. Power Supply ProtectionThermal: Power supply shutdown (when temp. 90C); operation not restored automatically. CoolingVariable-speed fan x 1 Dimensions (W x H x D)480 x 88 x 412 mm Weight10 kg9.8 kg Included AccessoriesPower cord, Security co

21、ver, Owners Manual, 3-pin Euroblock connector x 4 （総合仕様） RadioFans.CN 收音机爱 好者资料库 4 XM4180/XM4080 CIRCUIT BOARD LAYOUT Front view Top view Rear view LED ATT MAIN IN1 IN1 OUT1 MONI OUT2 ATT LEDPSW PSW IN2 IN2 OUT1 OUT2 MONI （正面見図） （上見図） （後側見図） （） XM4180/XM4080 5 WIRRING CN501 CN102 W104A W104B CN101 C

22、N302 CN301 CN502 CN506 CN607 CN702 CN605 CN602 CN603 CN801 CN951 CN604 CN609 CN802 CN851 CN703 CN507 W701 MAIN MONI OUT1 OUT2IN2 IN1 PSWLEDATT BLACK GRAY RED BLUE BLACK YELLOW YELLOW BROWN BLACK ORANGE BLACK BLACK WHITE GREEN/YELLOW FAN CN705 CN04 W04B W04A W06 W504 W503CW503AW503B W02 W08 W07 W03 W

23、05B W05A *1 *1.White wire and black wire are twisted by four rotations or more. 白黒線材4回転以上。 *2.Yellow wire and brown wire are twisted by six rotations or more. 黄茶線材6回転以上。 *2 q w y !0 !4 !5 !6 !8 !1 !3!2 o !7 r t e i u （結線図） 6 XM4180/XM4080 No. LocationParts No.DestinationRemarks Connector Assembly q?

24、 w? e? ? r? t? y? u? i? ? ? o? ? !0? !1? !2? !3? !4? !5? !6? !7? !8 140 160 260 300 320 400 - W104 W503 W504 W701 W02 W03 W04 W05 W06 W07 W08 MF115250 WE510800 MF113070 V8746700 MF115120 (WE95620) (WG29070) WE943500 WE943600 WE350600 WE349900 WE350000 (WE35030) WE350100 WE350200 WE350500 C&C AC INLE

25、T C&C - C&C Jamper Wire MONI PSW B&C B&C PLED B&C B&C B&C B&B B&C B&C B&C MAIN-CN602 MAIN-CN603 AC INLET MAIN-CN605 DC Fan MAIN-CN607 MONI-CN951 MAIN-CN609 PSW-CN705 MAIN-W504 (S) PSW-W701 (S) OUT1-W02 (S) OUT1-W03 (S) OUT1-W04A (S) OUT1-W05A (S) OUT2-W06 (S) OUT2-W07 (S) OUT1-W08 (S) IN1-CN801 IN2-

26、CN851 MAIN-CN501 MAIN-CN502 ATT-CN703 MAIN-CN506 LED-CN702 MAIN-CN604 (S) MAIN-W104A (S) MAIN-W104B (S) MAIN-W503A (S) MAIN-W503B (S) MAIN-W503C (S) OUT1-CN04 MAIN-CN507 MAIN-CN101 MAIN-CN102 OUT2-W04B OUT2-W05B MAIN-CN301 MAIN-CN302 IN1-CN802 15P L=250 P=1.25 3P L=170 13P L=70 P=1.25 15P L=120 P=1.

27、25 16P 4P L=300 4P L=430 YE/YE/BR 1P L=180 BL 3P L=140 1P L=380 RE 1P L=380 OR 1P L=90 BL 1P L=380 GY 1P L=380 BE 1P L=310 BL 3P (2P) 2P * ( ): Unavailable partRefer to Parts List for the location. （）（部品番号）（配線先）（備考） （束線名） （非部品） * (S): Soldering （半田付） （参照。 ） DIMENSIONS W=480 H=88 76.2 D=411.7 410 432

28、.8 404.5 30374.55.5 392.5 11 76.2 32.02 44.72 Units: mm （寸法図） （単位） XM4180/XM4080 7 PANEL LAYOUT POWER/STAND-BY switch and indicator PROTECT/MUTE indicator CLIP/LIMIT indicator SIGNAL indicator VOLUME controls A-D Air intakes XLR inputs connectors A-D Euroblock connectors HPF switches MODE switches S

29、TEREO mode PARALLEL mode BRIDGED mode MONITOR/REMOTE terminal SPEAKERS terminals A-D (/+) GND terminal AC IN Front Panel qty wer Rear Panel u o i!0 u oi!0 !2 !1!2!3!4 q w e r t y u i o !0 !1 !2 !3 !4 Front Panel Rear Panel MONITOR/REMOTE Pin Description Pin No.SignalDescription 1 2 3 4 5 6 7 8 9 10

30、11 12 13 14 15 GND REMOTE CONTROL MONITOR REMOTE CONTROL MONITOR STANDBY MODEL ID MUTE CH D MUTE CH C MUTE CH B MUTE CH A PROTECT STATUS CH D PROTECT STATUS CH C PROTECT STATUS CH B PROTECT STATUS CH A OUTPUT LEVEL CH D OUTPUT LEVEL CH C OUTPUT LEVEL CH B OUTPUT LEVEL CH A STANDBY Control: Supply 5V

31、DC. 5mADC XM4180: 560, XM4080: 680 (Impedance to GND) MUTE Control: Connect to GND, +5V, 1mA PROTECTION Off/Output On: +5VDC, Zo=270 PROTECTION On/Output Off: 0VDC, Zo=High +4dBu (27.2dB of Speaker Output Level) at 100W/8, RL=7.5k, Zo=300 （） POWER/STAND-BY、 PROTECT/MUTE CLIP/LIMIT SIGNAL A D 吸気口 XLR

32、 入力端子 AD 入力端子 HPF MODE STEREO PARALLEL BRIDGE MONITOR/REMOTE 端子 SPEAKERS端子 A D (/+) 用 AC q w e r t y u i o !0 !1 !2 !3 !4 XM4180/XM4080 8 DISASSEMBLY PROCEDURE 1.（所要時間：約2 分） 1-155011本外、 外 。 （図 1） 1.Top Cover (Time required: About 2 minutes) 1-1Remove the eleven (11) screws marked 550. The top cover

33、can then be removed. (Fig.1) 2. Ass y（所要時間：約 4 分） 2-1外。 （1 項参照） 2-2510 3本外、外 。 （図 2） 左右同外。 2-320左右1本、 5206本、 1本外、 Ass y外。 （図 2、3、写真 1、2） 、Ass yPSW LED 状態外。 Ass y外、先PSWLED 接続外 。 Fig.1 550: Bind Head Tapping Screw-B4.0X8 MFZN2B3 (WE962000) Top view Top cover 550 550 550 550550 （上見図） （） 2.Front Panel A

34、ssembly (Time required: About 4 minutes) 2-1Remove the top cover. (See procedure 1) 2-2Remove the three (3) screws marked 510. The rack angle bracket can then be removed. (Fig. 2) *The right and left rack angle brackets can be removed in the same manner. 2-3Remove the one (1) each screw marked 20 to

35、 the left and the right, six (6) screws marked 520, and the cord holder. The front panel assembly can then be removed. (Fig. 2, 3, Photo 1, 2) *When removing the front panel assembly, remove it together with the PSW circuit board and LED circuit board. Before removing the front panel assembly, be su

36、re to remove the connectors connected to the PSW circuit board and LED circuit board. （分解手順） (B BIND) （図1） 9 XM4180/XM4080 Left side view Rack angle bracket 20 510 （左側見図） （） Fig.2 20: Bind Head Tapping Screw-B4.0X8 MFZN2B3 (WE962000) 510: Bind Head Screw4.0X10 MFZN2B3 (WE980400) 520 PSW ATT Front Pa

37、nel 1 520520 Top view Rack angle bracketRack angle bracket 520 Front Panel 1 520520 Bottom view Rack angle bracketRack angle bracket （1） （上見図） （）（） （1） （底面見図） （）（） Fig.3 520: Bind Head Tapping Screw-B4.0X8 MFZN2B3 (WE962000) （） Cord holder Front side Rear side Top view （後側） （前側） （上側見図） Rear view PSW

38、 LED Front panel assembly Angle, Handle 410 Angle, Handle （後側見図） （Assy） （）（） Photo 1 Photo 2 410: Bind Head Tapping Screw-S3.0X6 MFZN2W3 (WE877900) (B BIND) (小BIND) （図2） (BBIND) （図3） （写真1） （写真2） (S BIND) XM4180/XM4080 10 120B 280 AC INLET （AC） 120A120A120B 120B 120B Air duct, Main Top view MAIN PSW

39、ATT LED IN2 OUT2 OUT1MONI IN2 IN1 DC Fan Air duct RAir duct L Air duct, Main Air duct, Main （） （上見図） （DC） （R）（L） （） （） Fig.4 120: Bind Head Tapping Screw-S3.0X6 MFZN2W3 (WE877900) 280: Bind Head Tapping Screw-S4.0X8 MFZN2W3 (WE941800) (S BIND) (S BIND) （図4） 11 XM4180/XM4080 3. MAIN （所要時間：約7 分） （所要時間

40、：約 10 分） 3-1外。 （1 項参照） 3-2 Ass y 外。 （2 項参照） 3-3120A 2 本120B 13 本外、 MAIN 外。 （図 4） L, R 及 MAIN離、MAIN楽 取外。 （図4） 3-4150A2本2枚、 150B 18 本 18 枚外、 MAIN外。 （図5） 同時外 、無注意。 4.MONI （所要時間：約2 分） 4-1外。 （1 項参照） 4-22406角2本外、MONI 外。 （図7） 5.IN1 （所要時間：約3 分） 5-1外。 （1 項参照） 5-2120A2本外、 IN1IN2離。 （図4） 5-3170A 4 本、 180A 2 本外、

41、 IN1 外。 （図 7） Fig.5 MAIN Circuit board 150A Heat sink （） Heat sink （） Spacer （）150B 150: Bind Head ScrewSP 3.0X12 MFZN2W3 (WE877700) 3. MAIN Circuit Board (Time required: About 7 minutes) Heat Sink (Time required: About 10 minutes) 3-1Remove the top cover. (See procedure 1) 3-2Remove the front panel

42、 assembly. (See procedure 2) 3-3Remove the two (2) screws marked 120A and thirteen (13) screws marked 120B. The MAIN circuit board can then be removed. (Fig. 4) *Remove the air ducts R, L, and Main from the MAIN circuit board in advance and the MAIN circuit board can be removed easily. (Fig. 4) 3-4R

43、emove the two (2) screws and two (2) washers marked 150A and eighteen (18) screws and eighteen (18) washers marked 150B. The heat sink can then be removed from the MAIN circuit board. (Fig. 5) *The spacers can be removed together with the heat sink. Be careful not to lose them. 4.MONI Circuit Board

44、(Time required: About 2 minutes) 4-1Remove the top cover. (See procedure 1) 4-2Remove the two (2) screws marked 240. The MONI circuit board can then be removed. (Fig. 7) 5.IN1 Circuit Board (Time required: About 3 minutes) 5-1Remove the top cover. (See procedure 1) 5-2Remove the two (2) screws marke

45、d 120A. The air duct MAIN can then be removed from the IN1 and IN2 circuit boards. (Fig. 4) 5-3Remove the four (4) screws marked 170A, and the two (2) screws marked 180A. The IN1 circuit board can then be removed. (Fig. 7) （図5） (小BIND) XM4180/XM4080 12 6.IN2 （所要時間：約4 分） 6-1外。 （1 項参照） 6-2IN1 外。 （5 項参

46、照） 6-3170B 4 本、 180B 2 本外、 IN2 外。 （図 7） 7.OUT1（所要時間：約3 分） 7-1外。 （1 項参照） 7-2570A2本外、 SPA 外。 （図6） 7-3210A2本外、 OUT1外 。 （図7） W04A、W05A、OUT2線材接続 。 570A 570B570B 570A Speaker terminal cover A Speaker terminal cover B Rear view （SP A） （SP B） （後側見図） IN1 IN2 170B 170A210A240210A180A170A 170B210B210B270180B O

47、UT2MONI OUT1 Rear view （後側見図） Fig.6 570: Bind Head Tapping Screw-S3.0X6 MFZN2B3 (WE877800) Fig.7 170: Bonding Tapping Screw-B3.0X10 MFZN2B3 (WE878000) 180: Pan Head Screw2.6X6 MFZN2B3 (WE986400) 210: Bonding Tapping Screw-B3.0X10 MFZN2B3 (WE878000) 240: Hex. Locking ScrewHFS-4S-B1W (V6706600) 270: B

48、ind Head Tapping Screw-S3.0X6 MFZN2B3 (WF257500) 6.IN2 Circuit Board (Time required: About 4 minutes) 6-1Remove the top cover. (See procedure 1) 6-2Remove the IN1 circuit board. (See procedure 5) 6-3Remove the four (4) screws marked 170B and the two (2) screws marked 180B. The IN2 circuit board can then be removed. (Fig. 7) 7.OUT1 Circuit Board (Time required: About 3 minutes) 7-1Remove the top cove