Yamaha-IMX644-mix-sm 维修电路原理图.pdf

《Yamaha-IMX644-mix-sm 维修电路原理图.pdf》由会员分享，可在线阅读，更多相关《Yamaha-IMX644-mix-sm 维修电路原理图.pdf（104页珍藏版）》请在收音机爱好者资料库上搜索。

1、SERVICE MANUALDIGITAL INSTALLATION MIXERHAMAMATSU, JAPANCopyright (c) Yamaha Corporation. All rights reserved. YMW 09.03PA011938 CONTENTS （目次）SPECIFICATIONS .3総合仕様 .5DIMENSIONS （寸法図） .7PANEL LAYOUT （） .8CIRCUIT BOARD LAYOUT （） .10DISASSEMBLY PROCEDURES （分解手順） .11CIRCUIT BOARDS （基板図） .17INSPECTIONS .

2、29検査 .38MEMORY INITIALIZATION （初期化） .47GPI CIRCUIT EXAMPLE （GPI 回路例） .48PARTS LIST CIRCUIT DIAGRAM 200903 RadioFans.CN 收音机爱 好者资料库IMX6442WARNING: This product contains chemicals known to the State of California to cause cancer, or birth defects or other reproductive harm.DO NOT PLACE SOLDER, ELECTRIC

3、AL/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 solder fumes or expose eyes to solder/flux vapor!If you come in contact with solder or components located inside the enclosur

4、e of this product, wash your hands before handling food.IMPORTANT NOTICEThis 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 specifically Yamaha Products, are already

5、 known and understood by the users, and have there-fore not been restated.WARNING: Failure to follow appropriate service and safety procedures when servicing this product may result in personal injury, destruc-tion of expensive components and failure of the product to perform as specified. For these

6、 reasons, we advise all Yamaha product owners that all service required should be performed by an authorized Yamaha Retailer or the appointed service repre-sentative.IMPORTANT: This presentation or sale of this manual to any individual or firm does not constitute authorization, certification, recogn

7、ition of any applicable technical capabilities, or establish a principal-agent relationship of any form.The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research engineering, and service depart-ments of Yamaha are continually striving to improve

8、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 distributor s Service Divi-sion.WARNING: Static discharges can destroy expensive component

9、s. 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 you apply power to the unit.Components h

10、aving special characteristics are marked and must be replaced with parts having specification equal to those originally installed. 印商品、安全維持重要部品。交換場合、安全必指定部品使用。 WARNING IMPORTANT NOTICE FOR THE UNITED KINGDOMConnecting the Plug and CordWARNING: THIS APPARATUS MUST BE EARTHEDIMPORTANT. The wires in th

11、is 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 coloured markings identifying the terminals in your plug, proceed as follows:The wire which is c

12、oloured 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 colored GREEN and YELLOW.The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or coloured BLACK.The

13、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IMX6443 SPECIFICATIONSGeneral Specifi cationsInput/output CharacteristicsIMX6444Electrical CharacteristicsIMX6445 総合仕様一般仕様入出力特性IMX6446電気特性IMX6447 DIMENSIONS （寸法図）Un

14、it: mm単位：mm364.5340618.588480IMX6448 PANEL LAYOUT （） Front Panel （）12457811133691012LOCK Switch and IndicatorUSB ConnectorMONO INPUT SectionMatrix IndicatorsSIGNAL/PEAK IndicatorsLevel KnobsSTEREO INPUT SectionMatrix IndicatorsSIGNAL/PEAK IndicatorsLevel KnobsOUTPUT SectionLevel MeterSIGNAL/PEAK Ind

15、icatorsLevel KnobsMEMORY A D ButtonsPOWER Switch and IndicatorLOCKUSB端子MONO INPUT 部SIGNAL/PEAK音量STEREO INPUT 部SIGNAL/PEAK音量OUTPUT 部SIGNAL/PEAK音量MEMORYADPOWERIMX6449 Rear Panel （）12461035798AC IN ConnectorEarth ScrewREMOTE ConnectorGPI ConnectorSTEREO INPUT SectionL/R Connectors 1, 2, 3, 4A and OPTIC

16、AL 4BREC OUT SectionL/R Connectors A and OPTICAL BMONO INPUT SectionEuroblock ConnectorsPAD Switches+48V SwitchOUTPUT SectionEuroblock ConnectorsAC IN端子用REMOTE端子GPI端子STEREO INPUT 部L 端子 R 端子（1、2、3、4A） 、 OPTICAL端子（4B）REC OUT 部L 端子 R 端子（A） 、 OPTICAL端子（B）MONO INPUT 部端子PAD+48VOUTPUT 部端子IMX64410 CIRCUIT B

17、OARD LAYOUT （）MAINFUSE CNPOWER SUPPLY UNITRear viewFront viewTop viewST CNFRONT LFRONT RMONO CNUSB CNOUT CNGPIO CNIMX64411Top coverFlexible flat cablesFFCPower supply unit電源 Handle (right) （右）3537A39A39B39A39A39A37B3535MAIN Handle (left) （左）39B1. Top Cover (Time required : About 1 min.)1-1. Remove t

18、he two (2) screws marked 37A, and remove the left handle. (Fig. 1)1-2. Remove the two (2) screws marked 37B, and remove the right handle. (Fig. 1)1-3. Remove the three (3) screws marked 35. The top cover can then be removed. (Fig. 1)2. MAIN Circuit Board(Time required: About 3 minutes.)2-1. Remove t

19、he top cover. (See procedure 1)2-2. Disconnect the connector assemblies and the flexible flat cables from the MAIN circuit board. (Fig. 1)2-3. Remove the eight (8) screws marked 39A. The MAIN circuit board can then be removed. (Fig. 1)3. Power Supply Unit(Time required : About 2 min.)3-1. Remove the

20、 top cover. (See procedure 1)3-2. Disconnect the connector assemblies from the power supply unit. (Fig. 1)3-3. Remove the four (4) screws marked 39B. The power supply unit can then be removed. (Fig. 1) DISASSEMBLY PROCEDURES （分解手順）1. （所要時間：約 1 分）1-1. 37A 2 本外、 左側外。（図 1）1-2. 37B 2 本外、 右側外。（図 1）1-3. 3

21、5 3 本外、外。（図 1）2. MAIN （所要時間：約 3 分）2-1. 外。 （1 項参照）2-2. MAIN 接続束線 FFC 抜。 （図 1）2-3. 39A 8 本外、MAIN 外。（図 1）3. 電源（所要時間：約 2 分）3-1. 外。 （1 項参照）3-2. 電源接続束線抜。（図 1）3-3. 39B 4 本外、電源外。（図 1）Fig. 1 （図 1）35: BIND HEAD TAPPING SCREW-S 3x6 MFZN2B3 (WR775700) S 37A: BIND HEAD TAPPING SCREW-S 4x8 MFZN2B3 (WR776000) S 37

22、B: BIND HEAD TAPPING SCREW-S 4x8 MFZN2B3 (WR776000) S 39A: PAN HEAD SCREW 3x6 MFNI33 SW,PW (WR776100)小39B: PAN HEAD SCREW 3x6 MFNI33 SW,PW (WR776100)小IMX644124. FUSE Circuit Board(Time required: About 2 minutes.)4-1. Remove the top cover. (See procedure 1)4-2. Disconnect the connector assemblies fro

23、m the FUSE circuit board. (Fig. 2)4-3. Remove the three (3) screws marked 39C. The FUSE circuit board can then be removed. (Fig. 2)5. AC Inlet Assembly(Time required : About 2 min.)5-1. Remove the top cover. (See procedure 1)5-2. Disconnect the connector assembly from CN3 connector of the FUSE circu

24、it board. (Fig. 2)5-3. Remove the screw marked 40 fi xing the lug terminal.(Fig. 2)5-4. Release the two (2) hooks of the AC inlet, and remove the AC inlet together with the connector assembly. (Fig. 2)6. ST CN Circuit Board(Time required: About 3 minutes.)6-1. Remove the top cover. (See procedure 1)

25、6-2. Disconnect the connector assemblies from the ST CN circuit board. (Fig. 2)6-3. Remove the three (3) screws marked 38A, the two (2) connector fixing metals marked 15 and the two (2) washers marked 16A. The ST CN circuit board can then be removed. (Fig. 2)4. FUSE （所要時間：約 2 分）4-1. 外。 （1 項参照）4-2. F

26、USE接続束線抜。（図 2）4-3. 39C 3 本外、FUSE 外。（図 2）5. AC （所要時間：約 2 分）5-1. 外。 （1 項参照）5-2. FUSE CN3 接続束線抜。 （図 2）5-3. 端子固定40外。（図 2）5-4. AC 2 箇所解除、 AC （束線付）外。 （図 2）6. ST CN （所要時間：約 3 分）6-1. 外。 （1 項参照）6-2. ST CN 接続束線抜。（図 2）6-3. 38A 3 本、 15固定具 2 本、16A 2 本外、ST CN 外。 （図 2）Fig. 2 （図 2）39C1516A38A39CCN340HookHookAC inle

27、tAC ST CN FUSE 15: CONNECTOR FIXING METAL XM4Z-0023 (WR774300) 固定具16A: WASHER 2.6x5.3x0.6 MFNI33 (WR776300) 38A: BIND HEAD TAPPING SCREW-P 3x10 MFZN2B3 (WR775500) P 39C: PAN HEAD SCREW 3x6 MFNI33 SW,PW (WR776100) 小40: PAN HEAD SCREW 4x8 MFNI33 SW,PW (WR776200) 小IMX64413Flexible flat cableFFCGPI term

28、inalGPI 端子39D39D3438MONO CN GPIO CN OUT CN MAIN CN23CN21CN2216B7. GPIO CN Circuit Board(Time required: About 3 minutes.)7-1. Remove the top cover. (See procedure 1)7-2. Disconnect the connector assembly from the GPIO CN circuit board. (Fig. 3)7-3. Remove the two (2) screws fi xing GPI terminal and t

29、he two washers marked 16B. The GPIO CN circuit board can then be removed. (Fig. 3)* The two (2) screws fixing GPI terminal are supplied with the GPI terminal.8. MONO CN Circuit Board(Time required: About 3 minutes.)8-1. Remove the top cover. (See procedure 1)8-2. Disconnect the connector assemblies

30、from CN21and CN22 connectors of the MAIN circuit board. (Fig. 3)8-3. Disconnect the fl exible fl at cable from CN23 connector of the MAIN circuit board. (Fig. 3)8-4. Remove the six (6) screws marked 39D. The MONO CN circuit board can then be removed. (Fig. 3)9. OUT CN Circuit Board(Time required: Ab

31、out 4 minutes.)9-1. Remove the top cover. (See procedure 1).9-2. Remove the MONO CN circuit board. (See procedure 8)9-3. Disconnect the connector assemblies from the OUT CN circuit board. (Fig. 3)9-4. Remove the two (2) screws marked 34 and the two screws marked 38. The OUT CN circuit board can then

32、 be removed. (Fig. 3)7. GPIO CN （所要時間：約 3 分）7-1. 外。 （1 項参照）7-2. GPIO CN 接続束線抜。（図 3）7-3. GPI 端子固定 2 本16B2本外、 GPIO CN外。（図 3） GPI 端子固定 2 本、GPI 端子付属品。8. MONO CN （所要時間：約 3 分）8-1. 外。 （1 項参照）8-2. MAIN CN21 CN22 接続束線抜。 （図 3）8-3. MAIN CN23 接続FFC 抜。 （図 3）8-4. 39D 6 本外、MONO CN 外。 （図 3）9. OUT CN （所要時間：約 4 分）9-1

33、. 外。 （1 項参照）9-2. MONO CN 外。 （8 項参照）9-3. OUT CN 接続束線抜。（図 3）9-4. 34 2本 38 2本外、 OUT CN外。 （図 3）Fig. 3 （図 3）16B: WASHER 2.6x5.3x0.6 MFNI33 (WR776300) 34: BIND HEAD SCREW 3x6 MFZN2B3 (WR775600) 小38: BIND HEAD TAPPING SCREW-P 3x10 MFZN2B3 (WR775500) P 39D: PAN HEAD SCREW 3x6 MFNI33 SW,PW (WR776100) 小IMX644

34、1410. Front Panel Assembly(Time required: About 3 min.)10-1. Remove the top cover. (See procedure 1)10-2. Disconnect the connector assembly from the USB CN circuit board. (Fig. 4)10-3. Disconnect the flexible flat cables from CN91 and CN92 connectors of the MAIN circuit board. (Fig. 4)10-4 Disconnec

35、t the connector assembly from CN1 connector of the power supply unit. (Fig. 4)10-5 Disconnect the connector assembly CN4 connector of the FUSE circuit board. (Fig. 4)10-5. Remove the seven (7) screws marked 36A. The front panel assembly can then be removed. (Fig. 4)10. Assy（所要時間：約 3 分）10-1. 外。 （1 項参

36、照）10-2. USB CN 接続束線抜。（図 4）10-3. MAIN CN91 CN92 接続 FFC 抜。 （図 4）10-4 電源 CN1 接続束線抜。 （図 4）10-5 FUSE CN4 接続束線抜。 （図 4）10-5. 36A 7 本外、 Assy 外。 （図 4）Fig. 4 （図 4）Flexible flat cablesFFCFront panel assemblyAssy36A36A36A36A36AFUSE MAIN CN91CN92CN4CN1Power supply unit電源 USB CN36A: BIND HEAD TAPPING SCREW-S 3x6

37、MFNI33 (WR775800) S IMX6441511. FRONT L Circuit Board(Time required: About 5 minutes.)11-1. Remove the top cover. (See procedure 1)11-2. Remove the front panel assembly. (See procedure 10)11-3. Remove the twelve (12) knobs on the left side. (Fig. 5)11-4. Remove the nine (9) screws marked 36B. The FR

38、ONT L circuit board can then be removed. (Fig. 5)11-5. Disconnect the flexible flat cables from the FRONT L circuit board. (Fig. 5)12. FRONT R Circuit Board(Time required: About 4 minutes.)12-1. Remove the top cover. (See procedure 1)12-2. Remove the front panel assembly. (See procedure 10)12-3. Rem

39、ove the two (2) knobs on the right side. (Fig. 5)12-4. Remove the four (4) screws marked 36C. The FRONT R circuit board can then be removed. (Fig. 5)12-5. Disconnect the fl exible fl at cable from the FRONT R circuit board. (Fig. 5)11. FRONT L （所要時間：約 5 分）11-1. 外。 （1 項参照）11-2. Assy 外。 （10 項参照）11-3.

40、左側（大）12 個外。 （図 5）11-4. 36B 9 本外、 FRONT L 外。（図 5）11-5. FRONT L 接続 FFC 抜。 （図 5）12. FRONT R （所要時間：約 4 分）12-1. 外。 （1 項参照）12-2. Assy 外。 （10 項参照）12-3. 右側（大）2 個外。 （図 5）12-4. 36C 4本外、 FRONT R外。（図 5）12-5. FRONT R 接続 FFC 抜。 （図 5）Fig. 5 （図 5）Front panel assemblyAssyFlexible flat cableFFCKnobs （大）Knobs （大）Knobs

41、 （大）Knobs （大）36B36C36C36BFRONT L FRONT R Flexible flat cablesFFC36B: BIND HEAD TAPPING SCREW-S 3x6 MFNI33 (WR775800) S 36C: BIND HEAD TAPPING SCREW-S 3x6 MFNI33 (WR775800) S IMX6441613. USB CN Circuit Board(Time required: About 4 minutes.)13-1. Remove the top cover. (See procedure 1)13-2. Remove the

42、 front panel assembly. (See procedure 10)13-3. Remove the screw marked 36D. The USB CN circuit board can then be removed. (Fig. 6)14. Power Switch(Time required: About 4 minutes.)14-1. Remove the top cover. (See procedure 1)14-2. Remove the front panel assembly. (See procedure 10)14-3. Release the t

43、wo (2) hooks of the power switch, and remove the power switch together with the connector assembly and the switch guide. (Fig. 6)13. USB CN （所要時間：約 4 分）13-1. 外。 （1 項参照）13-2. Assy 外。 （10 項参照）13-3. 36D外、USB CN 外。（図 6）14. 電源（所要時間：約 4 分）14-1. 外。 （1 項参照）14-2. Assy 外。 （10 項参照）14-3. 電源 2 箇所解除、電源（束線付）外。 （図

44、6）Fig. 6 （図 6）Front panel assemblyAssyPower switch電源Switch guide36DUSB CNHookHook36D: BIND HEAD TAPPING SCREW-S 3x6 MFNI33 (WR775800) S IMX64417 CIRCUIT BOARDS （基板図） FRONT L Circuit Board (LSB20177-001AH) .18 FRONT R Circuit Board (LSA10073-01A6H) .20 FUSE CN Circuit Board (LSA10073-01A8H) .20 GPIO

45、CN Circuit Board (LSA10073-01A5H) .20 MAIN Circuit Board (LSB10072-001BH) .22 MONO CN Circuit Board (LSA10073-01A2H) .26 OUT CN Circuit Board (LSA10073-01A4H) .28 ST CN Circuit Board (LSA10073-01A3H) .26 USB CN Circuit Board (LSA10073-01A7H) .26Note: See parts list for details of circuit board compo

46、nent parts.注：部品詳細参照。CONTENTS （目次）IMX64418 FRONT L Circuit Boardto MAINCN91LOCKMONO INPUTAAComponent side （部品側）Pattern side （側）BB2NA-WR77110 0IMX64419Pattern side （側）BBSTEREO INPUTOUTPUTto MAINCN92to FRONT RCN93AAComponent side （部品側） FRONT L Circuit Board2NA-WR77110 0IMX64420to FRONT LCN93POWER ON/OF

47、Findicatorto AC INLETto Power Switchto MAINCN71GPI? ? ? ?（部品側）?（部品側）?（部品側）?MEMORYA?D2NA-WR77100 02NA-WR77070 02NA-WR77080 0IMX64421? ? ? ?（側）?（側）?（側）2NA-WR77100 02NA-WR77070 02NA-WR77080 0IMX64422Component side （部品側）AAto OUT CNCN51to ST CNCN32to Power supply unitCN2to ST CNCN33to GPIO CNCN71to OUT C

48、NCN52to ST CNCN31to MONO CNCN22to FRONT LCN92 MAIN Circuit BoardThe symbols “D2112, D2212, D2312, D2412, D2512 and D2612” are printed on the circuit board of the early products and 0 resistors are installed there.初期基板、D2112、D2212、D2312、D2412、D2512、D2612印刷、 0 抵抗実装。Reduction: 17/202NA-WR77020 1IMX6442

49、3to ST CNCN31to MONO CNCN22to MONO CNCN21to FRONT LCN91Component side （部品側）AAto USB CNCN81to MONO CNCN23to ST CNCN32to FRONT LCN922NA-WR77020 1IMX64424Pattern side （側）BB MAIN Circuit BoardReduction: 17/202NA-WR77020 1IMX64425Pattern side （側）BB2NA-WR77020 1IMX64426to MAINCN31to MAINCN32to MAINCN33USB

50、to MAINCN22to MAINCN21to MAINCN23to MAINCN81? ? ? ?（部品側）?（部品側）?（部品側）?123?1234562NA-WR77040 02NA-WR77050 02NA-WR77090 0IMX64427? ? ? ?（側）?（側）?（側）2NA-WR77040 02NA-WR77050 02NA-WR77090 0IMX64428to MAINCN52to MAINCN51Component side （部品側）Pattern side （側）OUTPUT1A(L)REC OUTA (L / R)B(OPTICAL)1B(R)2A(L)32B(