Yamaha-T3N-pwr-sm(1) 维修电路原理图.pdf

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1、SERVICE MANUALSPECIFICATIONS （総合仕様） .3/5DIMENSIONS （寸法図）.7PANEL LAYOUT （） .8CIRCUIT BOARD LAYOUT （）.9DISASSEMBLY PROCEDURES （分解手順） .10LSI PIN DESCRIPTION （LSI端子機能表） .18IC BLOCK DIAGRAM （IC図） .20CIRCUIT BOARDS （基板図） .23INSPECTIONS （検査） .36/45PST CIRCUIT BOARD REPAIR GUIDE（PST故障修理） .54/59PARTS LISTIC

2、& DIODE FIGURES （外形図）BLOCK DIAGRAM （）CIRCUIT DIAGRAM （回路図）I CONTENTS （目次）PA011844Copyright (c) Yamaha Corporation. All rights reserved. 06.12HAMAMATSU, JAPAN（ECF：無塩素系漂白）使用。This document is printed on chlorine free (ECF) paper.T5n: 200612-682500T4n: 200612-577500T3n: 200612-504000T5nT4nT3nRadioFans.C

3、N 收音机爱 好者资料库T5n/T4n/T3n2IWARNINGComponents having special characteristics are marked and must be replaced with parts having specification equal to those originallyinstalled. 印部品、安全維持重要部品。交換場合、安全必指定部品使用。IMPORTANT NOTICEThis manual has been provided for the use of authorized Yamaha Retailers and their

4、 service personnel. It has been assumed that basic serviceprocedures inherent to the industry, and more specifically Yamaha Products, are already known and understood by the users, and havetherefore not been restated.WARNING:Failure to follow appropriate service and safety procedures when servicing

5、this product may result in personal injury, destruc-tion of expensive components and failure of the product to perform as specified. For these reasons, we advise all Yamahaproduct owners that all service required should be performed by an authorized Yamaha Retailer or the appointed servicerepresenta

6、tive.IMPORTANT:This presentation or sale of this manual to any individual or firm does not constitute authorization, certification, recognition ofany applicable technical capabilities, or establish a principal-agent relationship of any form.The data provided is believed to be accurate and applicable

7、 to the unit(s) indicated on the cover. The research engineering, and servicedepartments of Yamaha are continually striving to improve Yamaha products. Modifications are, therefore, inevitable and changes in specifica-tion are subject to change without notice or obligation to retrofit. Should any di

8、screpancy appear to exist, please contact the distributors ServiceDivision.WARNING:Static discharges can destroy expensive components. Discharge any static electricity your body may have accumulated bygrounding yourself to the ground bus in the unit (heavy gauge black wires connect to this bus).IMPO

9、RTANT:Turn the unit OFF during disassembly and parts replacement. Recheck all work before 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

10、 may also contain traces of chemicals found by the California Health and Welfare Agency (and possibly other entities) to causecancer and/or birth defects or other reproductive harm.DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHAT SOEVER!Avoid prolong

11、ed, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose eyes to solder/fluxvapor!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 KING

12、DOMConnecting the Plug and CordWARNING:THIS APPARATUS MUST BE EARTHEDIMPORTANT.The wires in this mains lead are coloured in accordance with the following code:GREEN-AND-YELLOW:EARTHBLUE:NEUTRALBROWN:LIVEAs the colours of the wires in the mains lead of this apparatus may not correspond with the colou

13、red markings identifying the terminals in yourplug, proceed as follows: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 safetyearth symbol or colored GREEN or colored GREEN and YELLOW.The wire which is coloured BLUE m

14、ust be connected to the terminal which is marked with the letter N or coloured BLACK.The wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured RED.RadioFans.CN 收音机爱 好者资料库T5n/T4n/T3n3ISPECIFICATIONST5n/T4n/T3n4T5n/T4n/T3n5 総合仕様T5n/T4n/T3n6T5n/T4n

15、/T3n7I DIMENSIONS （寸法図）Unit: mm単位：mm88426.9480353593932244.416.538026T5n/T4n/T3n8 Rear Panel （）I PANEL LAYOUT （）1 TEMP indicator2 SIGNAL indicator3 CLIP indicator4 Screw holes for handles5 Air intakes6 POWER switch and indicator7 REMOTE indicator8 PROTECTION indicator9 MUTE indicator0 Volume control

16、 knobs1322068497554452168731 Mode switch2 GAIN switch3 SPEAKERS jacks4 DATA PORT jacks5 AMP ID switch6 Input connectors7 AC IN connector8 Ground screw1 TEMP2 SIGNAL3 CLIP4 用穴5 吸気口6 POWER / 7 REMOTE8 PROTECTION9 MUTE0 1 2 GAIN 3 SPEAKERS 端子4 DATA PORT 端子5 AMP ID 6 入力端子7 電源8 用 Front Panel （）T5n/T4n/T3

17、n9I CIRCUIT BOARD LAYOUT （）Rear Panel（）INT5INT4INT3CPUT5CPUT4CPUT3INSWT5INSWT4INSWT3INSWT5INSWT4INSWT3PAT5PAT5PAT3FPT5FPT5FPT3FPT5FPT5FPT3PST5PST4PST3PAT5PAT5PAT3ATTT5ATTT4ATTT3PSWT5PSWT4PSWT3Front Panel（） T5n model T4n model T3n model Top （上側） Bottom （下側） Top （上側） Bottom （下側）RearFrontT5n/T4n/T3n10I

18、 DISASSEMBLY PROCEDURES （分解手順）320:Bonding Tapping Screw-B 4x8 MFZN2B3 (WE999400) B+BOND(Fig. 1)1. （所要時間：約3分）1-1320 9本外、外。（Fig. 1）1.Top Cover (Time required: about 3 minutes)1-1Remove the nine (9) screws marked 320. The top covercan then be removed. (Fig. 1)320Top cover（）320320320T5n/T4n/T3n11230A: B

19、onding Tapping Screw-B 4x8 MFZN2B3 (WE999400) B+BOND230B: Bonding Tapping Screw-B 4x8 MFZN2B3 (WE999400) B+BOND250A: Bonding Tapping Screw-B 4x8 MFZN2B3 (WE999400) B+BOND250B: Bonding Tapping Screw-B 4x8 MFZN2B3 (WE999400) B+BOND280A: Bonding Tapping Screw-B 4x8 MFZN2B3 (WE999400) B+BOND280B: Bondin

20、g Tapping Screw-B 4x8 MFZN2B3 (WE999400) B+BOND(Fig. 2)2.PA左側 （所要時間：約6分）2-1外。 （1項参照）2-2230A 3本、 250A 3本、 280A 2本外、PA （、付） 外。 （Fig. 2）2-3196A 4本、 195A 4個外。 （Fig. 3）2-4190A 6本、 180A 6個外、PAL （付） 分離。 （Fig. 3）3.PA右側 （所要時間：約6分）3-1外。 （1項参照）3-2230B 3本、 250B 3本、 280B 2本外、PA （R、付） 外。 （Fig. 2）3-3196B 4本、 195B

21、4個外。 （Fig. 3）3-4190B 6本、 180B 6個外、PAR （付） 分離。 （Fig. 3）2.PA unit on the left side(Time required: about 6 minutes)2-1Remove the top cover. (See Procedure 1.)2-2Remove the three (3) screws marked 230A, three (3)screws marked 250A and two (2) screws marked280A. The PA unit and side cover L (with rear an

22、gle)can then be removed. (Fig. 2)2-3Remove the four (4) screws marked 196A and four (4)screw covers marked 195A. (Fig. 3)2-4Remove the six (6) screws marked 190A and six (6)washers marked 180A. The PA unit and side cover L(with rear angle) can then be separated. (Fig. 3)3.PA unit on the right side(T

23、ime required: about 6 minutes)3-1Remove the top cover. (See Procedure 1.)3-2Remove the three (3) screws marked 230B, three (3)screws marked 250B and two (2) screws marked280B. The PA unit and side cover L (with rear angle)can then be removed. (Fig. 2)3-3Remove the four (4) screws marked 196B and fou

24、r (4)screw covers marked 195B. (Fig. 3)3-4Remove the six (6) screws marked 190B and six (6)washers marked 180B. The PA unit and side cover R(with rear angle) can then be separated. (Fig. 3)PA unit（PA）Side cover L（L）Side cover R（R）Rear angle（）Rear angle（）250A230A230B280B280A250BT5n/T4n/T3n12190B190B1

25、80B195B195B196BPA unit（PA）Rear angle（）Side cover R（R）180B190A190A180A195A195A196ARear angle（）Side cover L（L）180A180A: Washer 4x9x0.8 MFZN2W3 (WF578000) 平座丸180B: Washer 4x9x0.8 MFZN2W3 (WF578000) 平座丸190A: Bonding Tapping Screw-B 4x8 MFZN2B3 (WE999400) B+BOND190B: Bonding Tapping Screw-B 4x8 MFZN2B3 (

26、WE999400) B+BOND195A: Screw Cover (WJ618300) 195B: Screw Cover (WJ618300) 196A: Bind Head Tapping Screw-B 3x8 MFZN2B3 (WE774400) B+BIND196B: Bind Head Tapping Screw-B 3x8 MFZN2B3 (WE774400) B+BIND(Fig. 3)4.Assy （所要時間：約5分）4-1外。 （1項参照）4-2280 6本外、Assy外。 （Fig. 4）4.Rear Assembly(Time required: about 5 mi

27、nutes)4-1Remove the top cover. (See Procedure 1.)4-2Remove the six (6) screws marked 280. The rear as-sembly can then be removed. (Fig. 4)280:Bonding Tapping Screw-B 4x8 MFZN2B3 (WE999400) B+BONDRear Assembly（Assy）280280280(Fig. 4)T5n/T4n/T3n135.INT5、INSWT5 （T5n）INT4、INSWT4 （T4n）INT3、INSWT3 （T3n）（所要

28、時間：約10分）5-1外。 （1項参照）5-2Assy外。 （4項参照）5-3370 2本外、SP外。 （Fig. 5）5-470 4本、 80 4本、 90 2本、100 外。 （Fig. 5）INT5外。 （T5n）（Fig. 5）INT4外。 （T4n）（Fig. 5）INT3外。 （T3n）（Fig. 5）5-530 2本外。 （Fig. 5）INSWT5外。 （T5n）（Fig. 5）INSWT4外。 （T4n）（Fig. 5）INSWT3外。 （T3n）（Fig. 5）5.INT5 Circuit Board, INSWT5 Circuit Board (T5n)INT4 Circ

29、uit Board, INSWT4 Circuit Board (T4n)INT3 Circuit Board, INSWT3 Circuit Board (T3n)(Time required: about 10 minutes)5-1Remove the top cover. (See Procedure 1.)5-2Remove the rear assembly. (See Procedure 4.)5-3Remove the two (2) screws marked 370. The speakerterminal cover can then be removed. (Fig.

30、5)5-4Remove the four (4) screws marked 70, four (4) screwsmarked 80, two (2) screws marked 90 and screwmarked 100. (Fig. 5)The INT5 circuit board can then be removed. (T5n) (Fig. 5)The INT4 circuit board can then be removed. (T4n) (Fig. 5)The INT3 circuit board can then be removed. (T3n) (Fig. 5)5-5

31、Remove the two (2) screws marked 30. (Fig. 5)The INSWT5 circuit board can then be removed. (T5n)(Fig. 5)The INSWT4 circuit board can then be removed. (T4n)(Fig. 5)The INSWT3 circuit board can then be removed. (T3n)(Fig. 5)30:Pan Head Screw 2.6x6 MFZN2B3 (WE986400) 小+PAN70:Bind Head Tapping Screw-B 2

32、.6x8 MFZN2B3 (WE961700) B+BIND80:Flat Head Tapping Screw-B 3x8 MFZN2B3 (WF266800) B+FLAT90:Bind Head Tapping Screw-B 3x12 MFZN2B3 (WE998100) B+BIND100:Bonding Tapping Screw-B 3x8 MFZN2B3 (WE774100) B+BOND370:Bind Head Tapping Screw-B 3x8 MFZN2B3 (WE774400) B+BIND(Fig. 5)Speaker Terminal Cover（SP）907

33、070308037080INT3INT4INT5INSWT3INSWT4INSWT5100T5n/T4n/T3n146.Assy （所要時間：約5分）6-1外。 （1項参照）6-2250 6本 （右側3本、左側3本） 、 260 2本外、Assy外。 （Fig. 6）6.Front Assembly(Time required: about 5 minutes)6-1Remove the top cover. (See Procedure 1.)6-2Remove the six (6) screws marked 250 (3 on the leftand 3 on the right) a

34、nd two (2) screws marked 260.The front assembly can then be removed. (Fig. 6)250:Bonding Tapping Screw-B 4x8 MFZN2B3 (WE999400) B+BOND260:Bind Head Tapping Screw-B 3x8 MFZN2W3 (WE774300) B+BIND(Fig. 6)250260250Front Assembly（Assy）7.DCAssy （所要時間：約7分）7-1外。 （1項参照）7-2Assy外。 （6項参照）7-330A 2本外、DCAssy （左側）

35、外。 （Fig. 7）7-430B 2本外、DCAssy （右側） 外。 （Fig. 7）7.DC Fan Assembly(Time required: about 7 minutes)7-1Remove the top cover. (See Procedure 1.)7-2Remove the front assembly. (See Procedure 6.)7-3Remove the two (2) screws marked 30A. The DC fanassembly on the left side can then be removed. (Fig. 7)7-4Remove

36、 the two (2) screws marked 30B. The DC fanassembly on the right side can then be removed. (Fig. 7)30A:Pan Head Screw 4x45 MFZN2W3 SP (WJ124000) 小+PAN30B:Pan Head Screw 4x45 MFZN2W3 SP (WJ124000) 小+PAN(Fig. 7)? ? ?（DCAssy）? ? ?（DCAssy）T5n/T4n/T3n15160:Flat Head Screw 4x8 MFZN2B3 (WE980300) 小+FLAT200A

37、: Bind Head Screw 4x10 MFZN2B3 (WE980400) 小+BIND200B: Bind Head Screw 4x10 MFZN2B3 (WE980400) 小+BIND(Fig. 8)?（）?（）?（）? ?（）?（）?（）8.PSWT5、FPT5、ATTT5 （T5n）PSWT4、FPT4、ATTT4 （T4n）PSWT3、FPT3、ATTT3 （T3n）（所要時間：約15分）8-1外。 （1項参照）8-2Assy外。 （6項参照）8-3200A 2本外、左側外。 （Fig. 8）8-4200B 2本外、右側外。 （Fig. 8）8-52個外。 （Fig. 8

38、）8-6160 6本外、外。（Fig. 8）8.PSWT5 Circuit Board, FPT5 Circuit Board,ATTT5 Circuit Board (T5n)PSWT4 Circuit Board, FPT4 Circuit Board,ATTT4 Circuit Board (T4n)PSWT3 Circuit Board, FPT3 Circuit Board,ATTT3 Circuit Board (T3n)(Time required: about 15 minutes)8-1Remove the top cover. (See Procedure 1.)8-2Re

39、move the front assembly. (See Procedure 6.)8-3Remove the two (2) screws marked 200A. The grilland filter on the left side can then be removed. (Fig. 8)8-4Remove the two (2) screws marked 200B. The grilland filter on the left side can then be removed. (Fig. 8)8-5Remove the two (2) knobs. (Fig. 8)8-6R

40、emove the six (6) screws marked 160. The front panelcan then be removed. (Fig. 8)T5n/T4n/T3n16? ? ?（PSW）? ?（6角）?8-7PSW外。 （Fig. 9）8-870 2本外。 （Fig. 9）PSWT5外。 （T5n）（Fig. 9）PSWT4外。 （T4n）（Fig. 9）PSWT3外。 （T3n）（Fig. 9）8-9120 2本外。 （Fig. 9）FPT5外。 （T5n）（Fig. 9）FPT4外。 （T4n）（Fig. 9）FPT3外。 （T3n）（Fig. 9）8-106角2個外

41、。 （Fig. 9）ATTT5外。 （T5n）（Fig. 9）ATTT4外。 （T4n）（Fig. 9）ATTT3外。 （T3n）（Fig. 9）8-7Remove the PSW knob. (Fig. 9)8-8Remove the two (2) screws marked 70. (Fig. 9)The PSWT5 circuit board can then be removed. (T5n)(Fig. 9)The PSWT4 circuit board can then be removed. (T4n)(Fig. 9)The PSWT3 circuit board can the

42、n be removed. (T3n)(Fig. 9)8-9Remove the two (2) screws marked 120. (Fig. 9)The FPT5 circuit board can then be removed. (T5n)(Fig. 9)The FPT4 circuit board can then be removed. (T4n)(Fig. 9)The FPT3 circuit board can then be removed. (T3n)(Fig. 9)8-10Remove the two (2) hexagonal nuts. (Fig. 9)The AT

43、TT5 circuit board can then be removed. (T5n)(Fig. 9)The ATTT4 circuit board can then be removed. (T4n)(Fig. 9)The ATTT3 circuit board can then be removed. (T3n)(Fig. 9)70:Bind Head Screw 3x6 MFZN2W3 (WE774000) 小+BIND120:Bind Head Tapping Screw-B 3x8 MFZN2W3 (WE774300) B+BIND(Fig. 9)T5n/T4n/T3n179.PS

44、T5 Circuit Board, CPUT5 Circuit Board (T5n)PST4 Circuit Board, CPUT4 Circuit Board (T4n)PST3 Circuit Board, CPUT3 Circuit Board (T3n)(Time required: about 20 minutes)9-1Remove the top cover. (See Procedure 1.)9-2Remove the PA unit on the left side. (See Procedure 2.)9-3Remove the PA unit on the righ

45、t side. (See Procedure 3.)9-4Remove the rear assembly. (See Procedure 4.)9-5Remove the front assembly. (See Procedure 6.)9-6Remove the twelve (12) screws marked 40. (Fig. 10)The PST5 circuit board and insulation sheet can thenbe removed. (T5n) (Fig. 10)The PST4 circuit board and insulation sheet can

46、 thenbe removed. (T4n) (Fig. 10)The PST3 circuit board and insulation sheet can thenbe removed. (T3n) (Fig. 10)9-7Remove the four (4) screws marked 60. (Fig. 10)The CPUT5 circuit board can then be removed. (T5n)(Fig. 10)The CPUT4 circuit board can then be removed. (T4n)(Fig. 10)The CPUT3 circuit boa

47、rd can then be removed. (T3n)(Fig. 10)9.PST5、CPUT5 （T5n）PST4、CPUT4 （T4n）PST3、CPUT3 （T3n）（所要時間：約20分）9-1外。 （1項参照）9-2PA左側外。 （2項参照）9-3PA右側外。 （3項参照）9-4Assy外。 （4項参照）9-5Assy外。 （6項参照）9-640 12本外。 （Fig. 10）PST5絶縁外。 （T5n）（Fig. 10）PST4絶縁外。 （T4n）（Fig. 10）PST3絶縁外。 （T3n）（Fig. 10）9-760 4本外。 （Fig. 10）CPUT5外。 （T5n）（F

48、ig. 10）CPUT4外。 （T4n）（Fig. 10）CPUT3外。 （T3n）（Fig. 10）40:Bind Head Tapping Screw-B 3x8 MFZN2W3 (WE774300) B+BIND60:Bind Head Tapping Screw-B 3x8 MFZN2W3 (WE774300) B+BIND(Fig. 10)4060404040Insulation Sheet（絶縁）CPUT3CPUT4CPUT5PST3PST4PST56040T5n/T4n/T3n18123456789101112131415161718192021222324ZCEN1ZCEN2C

49、SNSDATAIDGNDREFDVSSSCLKSDATAOTE1TE2TE3IN2REF2AREF2BOUT2AVDDAVSSAVSSAVDDOUT1REF1BREF1AIN1Zero-cross control input 1. Select one from four types of zero-cross modes including nonzero cross mode. Whenchanging zero-cross modes during operation, set the system so that it changes at 1 second or more after

50、 the riseof CSN signal.Zero-cross control input 2. Select one from four types of zero-cross modes including nonzero cross mode. Whenchanging zero-cross modes during operation, set the system so that it changes at 1 second or more after the riseof CSN signal.Chip select input.Serial data input.Digita