Yamaha-IMX-644-Service-Manual电路原理图.pdf

《Yamaha-IMX-644-Service-Manual电路原理图.pdf》由会员分享，可在线阅读，更多相关《Yamaha-IMX-644-Service-Manual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 MANUAL DIGITAL INSTALLATION MIXER HAMAMATSU, JAPAN Copyright (c) Yamaha Corporation. All rights reserved. YMW 09.03 PA 011938 CONTENTS （目次） SPECIFICATIONS .3 総合仕様 .5 DIMENSIONS （寸法図） .7 PANEL LAYOUT （） .8 CIRCUIT BOARD LAYOUT （） .10 DISASSEMBLY PROCEDURES （分解手順） .11 CIRCUIT BOARDS （基板図） .17

2、INSPECTIONS .29 検査 .38 MEMORY INITIALIZATION （初期化） .47 GPI CIRCUIT EXAMPLE （GPI 回路例） .48 PARTS LIST CIRCUIT DIAGRAM 200903 RadioFans.CN 收音机爱 好者资料库 IMX644 2 WARNING: This product contains chemicals known to the State of California to cause cancer, or birth defects or other reproductive harm. DO NOT P

3、LACE 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 solder fumes or expose eyes to solder/flux vapor! If you come in contact with solder or components loca

4、ted inside the enclosure of this product, wash your hands before handling food. 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 specifically Yam

5、aha Products, are already 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 per

6、form 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 repre- sentative. IMPORTANT: This presentation or sale of this manual to any individual or firm does not constitute author

7、ization, certification, recognition 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

8、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 distributor s Service Divi- sion. WARNING: Static discharg

9、es 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 you a

10、pply power to the unit. Components having 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 KINGDOM Connecting the Plug and Cord WARNING: THIS APPARATUS MUS

11、T BE EARTHED IMPORTANT. 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 p

12、lug, 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 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 ma

13、rked 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 IMX644 3 SPECIFICATIONS General Specifi cations Input/output Characteristics IMX644 4 Electrical Characteristics IMX

14、644 5 総合仕様 一般仕様 入出力特性 IMX644 6 電気特性 IMX644 7 DIMENSIONS （寸法図） Unit: mm 単位：mm 364.5 340618.5 88 480 IMX644 8 PANEL LAYOUT （） Front Panel （） 1 245781113 3691012 LOCK Switch and Indicator USB Connector MONO INPUT Section Matrix Indicators SIGNAL/PEAK Indicators Level Knobs STEREO INPUT Section Matrix I

15、ndicators SIGNAL/PEAK Indicators Level Knobs OUTPUT Section Level Meter SIGNAL/PEAK Indicators Level Knobs MEMORY A D Buttons POWER Switch and Indicator LOCK USB端子 MONO INPUT 部 SIGNAL/PEAK 音量 STEREO INPUT 部 SIGNAL/PEAK 音量 OUTPUT 部 SIGNAL/PEAK 音量 MEMORYAD POWER IMX644 9 Rear Panel （） 1 24610 35798 AC

16、 IN Connector Earth Screw REMOTE Connector GPI Connector STEREO INPUT Section L/R Connectors 1, 2, 3, 4A and OPTICAL 4B REC OUT Section L/R Connectors A and OPTICAL B MONO INPUT Section Euroblock Connectors PAD Switches +48V Switch OUTPUT Section Euroblock Connectors AC IN端子 用 REMOTE端子 GPI端子 STEREO

17、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 +48V OUTPUT 部 端子 IMX644 10 CIRCUIT BOARD LAYOUT （） MAIN FUSE CN POWER SUPPLY UNIT Rear view Front view Top view ST CN FRONT LFRONT R MONO CN USB CN OUT CN GPIO CN IMX644 11 Top cover Flexible flat c

18、ables FFC Power supply unit 電源 Handle (right) （右） 35 37A 39A 39B 39A 39A 39A 37B 35 35 MAIN Handle (left) （左） 39B 1. Top Cover (Time required : About 1 min.) 1-1. Remove the two (2) screws marked 37A, and remove the left handle. (Fig. 1) 1-2. Remove the two (2) screws marked 37B, and remove the righ

19、t 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 the top cover. (See procedure 1) 2-2. Disconnect the connector assemblies and the flexible flat cables from the MAIN circuit

20、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 top cover. (See procedure 1) 3-2. Disconnect the connector assemblies from the power supply unit. (Fig. 1) 3-3. Remove

21、 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. 35 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.

22、 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 37B: BIND HEAD TAPPING SCREW-S 4x8 MFZN2B3 (WR776000) S 39A: PAN HEAD SCREW 3x6 MFNI33 SW,PW (WR77

23、6100) 小 39B: PAN HEAD SCREW 3x6 MFNI33 SW,PW (WR776100) 小 IMX644 12 4. FUSE Circuit Board (Time required: About 2 minutes.) 4-1. Remove the top cover. (See procedure 1) 4-2. Disconnect the connector assemblies from the FUSE circuit board. (Fig. 2) 4-3. Remove the three (3) screws marked 39C. The FUS

24、E 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 circuit board. (Fig. 2) 5-3. Remove the screw marked 40 fi xing the lug terminal. (Fig.

25、 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) 6-2. Disconnect the connector assemblies from the ST CN circuit board. (Fig

26、. 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. FUSE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。 （

27、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） 39C 15 16A 38A 39C CN3 40 Hook Hook AC inlet AC ST CN FUSE 15: CONNECTOR FIXING METAL X

28、M4Z-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 IMX644 13 Flexible flat cable FFC GPI terminal GPI 端子 39D 39D 34 38 MONO CN GP

29、IO CN OUT CN MAIN CN23 CN21 CN22 16B 7. 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 the two washers marked

30、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 from CN21and CN22

31、 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: About 4 minutes

32、.) 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 be remov

33、ed. (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16B 2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

34、4 分） 9-1. 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 (W

35、R776100) 小 IMX644 14 10. 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.

36、 (Fig. 4) 10-4 Disconnect 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. Ass

37、y （所要時間：約 3 分） 10-1. 外。 （1 項参照） 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 cables FFC Front panel assembly Assy 36A 36A 36A 36A 36A FUSE MAIN CN91 CN92 CN4 CN1 Power su

38、pply unit 電源 USB CN 36A: BIND HEAD TAPPING SCREW-S 3x6 MFNI33 (WR775800) S IMX644 15 11. 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

39、. (Fig. 5) 11-4. Remove the nine (9) screws marked 36B. The FRONT 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)

40、 12-2. Remove the front panel assembly. (See procedure 10) 12-3. Remove 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.

41、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. 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 。

42、（図 5） Fig. 5 （図 5） Front panel assembly Assy Flexible flat cable FFC Knobs （大） Knobs （大） Knobs （大） Knobs （大） 36B 36C 36C 36B FRONT L FRONT R Flexible flat cables FFC 36B: BIND HEAD TAPPING SCREW-S 3x6 MFNI33 (WR775800) S 36C: BIND HEAD TAPPING SCREW-S 3x6 MFNI33 (WR775800) S IMX644 16 13. USB CN Cir

43、cuit Board (Time required: About 4 minutes.) 13-1. Remove the top cover. (See procedure 1) 13-2. Remove the 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. Remo

44、ve the top cover. (See procedure 1) 14-2. Remove the front panel assembly. (See procedure 10) 14-3. Release the two (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。 （1

45、0 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 6） Fig. 6 （図 6） Front panel assembly Assy Power switch 電源 Switch guide 36D USB CN Hook Hook 36D: BIND HEAD TAPPING SCREW-S 3x6 MFNI33 (WR775800) S IMX644 17 CIRCUIT BOARDS （基板図

46、） FRONT L Circuit Board (LSB20177-001AH) .18 FRONT R Circuit Board (LSA10073-01A6H) .20 FUSE CN Circuit Board (LSA10073-01A8H) .20 GPIO 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) .26 Note: See parts list for details of circuit board comp