Yamaha M7CL Digital Mixing Console Service Manual 电路图.pdf

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1、M7CL-32/M7CL-48 1 SERVICE MANUAL DIGITAL MIXING CONSOLE CONTENTS SPECIFICATIONS.5 CONNECTOR PIN ASSIGNMENTS .10 PANEL LAYOUT.11 DIMENSIONS.17 CIRCUIT BOARD LAYOUT .19 DISASSEMBLY PROCEDURE.24 LSI PIN DESCRIPTION.52 IC BLOCK DIAGRAM.62 CIRCUIT BOARDS.67 INSPECTIONS. 118/122 SERVICE CHECK PROGRAM . 12

2、6/140 PROCEDURE TO CAPTURE SCREEN .154 INSTALLING an OPTION CARD . 155/156 USER SETTINGS (SECURITY) . 157/173 INITIALIZING THE M7CLs INTERNAL MEMORY . 189/190 CALIBRATION FUNCTION . 191/194 WARNING/ERROR MESSAGES . 197/199 MIDI IMPLEMENTATION CHART.201 MIDI DATA FORMAT .202 PARTS LIST BLOCK DIAGRAM

3、OVERALL CONNECTOR CIRCUIT DIAGRAM CIRCUIT DIAGRAM MBM7CL PARTS LIST MBM7CL BLOCK DIAGRAM MBM7CL CIRCUIT DIAGRAM PSL360 PARTS LIST M7CL-32: 20051101-2250000 M7CL-48: 20051101-2750000 MBM7CL: 20051101-130000 PSL360:20051101- METER BRIDGE MBM7CL POWER SUPPLY LINK CABLE PSL360 OPTION PA 011804 Copyright

4、 (c) Yamaha Corporation. All rights reserved. PDF 05.11 HAMAMATSU, JAPAN M7CL-32 M7CL-48 M7CL-48/MBM7CL （目次） （総合仕様） （表） （） （寸法図） （） （分解手順） （LSI端子機能表） （IC図） （基板図） （検査） （検査） （手順） （取付） （設定（） （M7CL内蔵初期化） （機能） （ / ） （） （総接続回路図） （回路図） （） （回路図） （） RadioFans.CN 收音机爱 好者资料库 M7CL-32/M7CL-48 2 LITHIUM BATTERY H

5、ANDLING This product uses a lithium battery for memory back-up. WARNING :Lithium batteries are dangerous because they can be exploded by improper handling. Observe the following precautions when handling or replacing lithium batteries. Leave lithium battery replacement to qualified service personnel

6、. Always replace with batteries of the same type. When installing on the PC board by soldering, solder using the connection terminals provided on the battery cells. Never solder directly to the cells. Perform the soldering as quickly as possible. Never reverse the battery polarities when installing.

7、 Do not short the batteries. Do not attempt to recharge these batteries. Do not disasemble the batteries. Never heat batteries or throw them into fire. ADVARSEL! Lithiumbatteri-Eksplosionsfare ved fejlagtig hndtering. Udskiftning m kun ske med batteri af samme fabrikat og type. levr det brugte batte

8、ri tilbage til leverandren. VARNING Explosionsfara vid felaktigt batteribyte. Anvnd samma batterityp eller en ekvivalent typ som rekommenderas av apparattillverkaren. Kassera anvnt batteri enligt fabrikantens instruktion. VAROITUS Paristo voi rjht, jos se on virheellisesti asennettu. Vaihda paristo

9、ainoastaan laitevalmistajan suosittelemaan tyyppiiin. Hvit kytetty paristo valmistajan ohjeiden mukaisesti. The following information complies with Dutch official Gazette 1995. 45; ESSENTIALS OF ORDER ON THE COLLECTION OF BATTERIES. Please refer to the diassembly procedure for the removal of Back-up

10、 Battery. Leest u voor het verwijderen van de backup batterij deze beschrijving. 電池取扱 注意 電池誤交換爆発危険。交換場合、指定部品使用 。 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 in

11、dustry, and more specifically Yamaha Products, are already known and understood 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 personal injury, destruction of expensive components and

12、failure of the product 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

13、 does not constitute authorization certification, 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 dep

14、artments of Yamaha 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. WARN

15、ING :Static discharges 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 a

16、ll 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 may also contain traces of chemicals found by the California Health and

17、 Welfare Agency (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

18、, do not inhale 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. WARNING Components having special characteristics are marked and must be replaced with parts having

19、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。 RadioFans.CN 收音机爱 好者资料库 M7CL-32/M7CL-48 3 IMPORTANT NOTICE FOR THE UNITED KINGDOM Connecting the Plug and Cord WARNING: THIS APPARATUS MUST BE EARTHED IMPORTANT. The wires in this mains lead are coloured in accordance wi

20、th 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 follows: The wire which is coloured GREEN-and-YELLOW must be conne

21、cted 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 coloured BLACK. The wire which is coloured BROWN must be connect

22、ed to the terminal which is marked with the letter L or coloured RED. Take care not to trap your fingers. USER LEVEL SETTINGS User Level settings allow you to restrict the parameters that can be operated by each user, or to change the settings of user-defined keys and preference settings for each us

23、er. Settings for each user can be stored as a “user authentication key” on a USB storage device, allowing users to be switched easily, simply by connecting this storage device to a USB connector. This is convenient in the following situations. Unintended or mistaken operation can be prevented. The r

24、ange of functionality operable by an outside engineer (guest engineer) can be limited. In situations in which multiple operators alternate with each other, output settings etc. can be locked to prevent unintended operations. Preferences of each operator can easily be switched. User settings may be s

25、tored by users. To service the device, get the USB storage device storing the user authentic key from the user. BACKUP BATTERY This device has a built-in backup battery. When you unplug the power cord from the AC outlet, the current scene data and library data is retained. However, if the backup bat

26、tery fully discharges, this data will be lost. When the backup battery is running low, the LCD display indicates “Low Battery!” when you start up the system. (The Battery field indicates “LOW” or “NO” in the SET UP screen.) In this case, immediately save the data to a USB storage device. Be sure to

27、perform it （作業中指挟様注意。 ） （設定） 設定、操作制限、定義設定 切替。設定認証USB 記憶装置記憶 、 USB 端子挿入簡単切替。、以下場合便利。 不用意誤操作防止。 外部（）操作範囲制限。 複数交代操作場合、出力設定、誤操作防止。 好設定簡単切替。 設定場合、実施時、認証記憶 USB記憶装置借。 （） 機器内蔵、電源外、電源切 保持。、消耗、 消。消耗、起動時“Low Battery!”表示（SET UP 画面 Battery 欄消耗LOW NO 表示)。 場合、USB 記憶装置保存。 RadioFans.CN 收音机爱 好者资料库 M7CL-32/M7CL-48 4 M

28、7CL-48 M7CL-32 MBM7CL (Option) M7CL-32/M7CL-48 5 SPECIFICATIONS 1. General Specifications Sampling Frequency Internal:44.1 kHz, 48 kHz External:44.1 kHz (-10%) to 48 kHz (+6%) Signal DelayLess than 2.5 ms INPUT to STEREO A,B (Fs = 48 kHz) Fader100mm motorized x62 (46) Fader Resolution+10 to -138, -

29、dB (1024 steps/100 mm) Maximum Voltage Gain86 dB INPUT1-48 to Each Output Crosstalk (1kHz)-80 dB Adjacent Input Channels (INPUT1-48,ST IN 1-4 L,R,OMNI OUT 1-16) Dimensions 1274 x 286 x 701 mm (W x H x D) 1060 x 286 x 701 mm (W x H x D) Net Weight M7CL-48:50 kg M7CL-32: M7CL-48: M7CL-32: M7CL-48: M7C

30、L-32: 42 kg Power Requirements 300W 250W Operation free-air Temperature Range+10C to + 35C Storage Temperature Range-20C to + 60C Included Accessories Owners Manual 3P/2P AC plug adaptpor (J model only) Warranty Card (J model only) Dust cover Optional Accessories mini YGDAI cards Gooseneck Lamp LA50

31、00 Power Supply PW800W Power Supply Link Cable PSL360 2. Inputs/Outputs Characteristics Input TerminalsGAIN Actual Load Impedance For Use With Nominal Input Level Connector Sensitivity *1Nominal Max. Before Clip INPUT 1-48 INPUT 1-32 62 dB 3 k 50-600 Mics equivalent to a 20 kHz filter with infinite

32、dB/octave attenuation. Dynamic Range Fs= 44.1 kHz or 48 kHz *Dynamic range are measured with a 6 dB/octave filter 12.7 kHz; equivalent to a 20 kHz filter with infinite dB/octave attenuation. Sampling Frequency InputOutputRLConditionsMin.Typ.Max.Unit INPUT 1-48 INPUT 1-32 OMNI OUT 1-16600 Input Level

33、 : 62 dBu, GAIN: Max. 2.0 4.0 6.0 dBu Input Level : +10 dBu, GAIN: Min. ST IN 1-4 L, ROMNI OUT 1-16600 Input Level : 62 dBu, GAIN: Max. 2.0 4.0 6.0 Input Level : +10 dBu, GAIN: Min. Internal OSC OMNI OUT 1-16600 Full Scale Output 23.524.0 24.5 PHONES8 30 dBFs, PHONES Level Control: Max.0.500.5 Input

34、OutputRLConditionsMin.Typ.Max.Unit INPUT 1-48 INPUT 1-32 OMNI OUT 1-16600 +4 dBu 20 Hz20 kHz, GAIN: Max.0.1 % +4 dBu 20 Hz20 kHz, GAIN: Min.0.05 ST IN 1-4 L, ROMNI OUT 1-16600 +4 dBu 20 Hz20 kHz, GAIN: Max.0.1 +4 dBu 20 Hz20 kHz, GAIN: Min.0.05 Internal OSC OMNI OUT 1-16600 Full Scale Output 1 kHz0.

35、02 PHONES8 Full Scale Output 1 kHz, PHONES Level Control: Max.0.2 InputOutputRLConditionsMin.Typ.Max.Unit INPUT 1-48 INPUT 1-32 OMNI OUT 1-16600 Rs= 150 , GAIN: Max. Master fader at nominal level and 128 EIN dBu one Ch fader at nominal level. 62 Rs= 150 , GAIN: Min. Master fader at nominal level and

36、 8479 one Ch fader at nominal level. All INPUTs OMNI OUT 1-16600 Rs= 150 , GAIN: Min. Master fader at nominal level and all Ch 1-32 in faders at nominal level. 62 All INPUTs OMNI OUT 1-16600 Rs= 150 , GAIN: Min. Master fader at nominal level and all Ch 1-48 in faders at nominal level. 64 OMNI OUT 1-

37、16600 Residual Output Noise, ST Master Off86 PHONES8 Residual Output Noise, PHONES Level Control Min.86 InputOutputRLConditionsMin.Typ.Max.Unit INPUT 1-48 INPUT 1-32 OMNI OUT 1-16600 AD + DA, GAIN: Min.108 dB ST IN 1-4 L, ROMNI OUT 1-16600 AD + DA, GAIN: Min.108 OMNI OUT 1-16600 DA Converter110 Para

38、meterConditionsMin.Typ.Max.Unit External ClockFrequency Range 39.6950.88 kHz Internal Clock Frequency Word Clock : Int 44.1 kHz44.1 Word Clock : Int 48 kHz48 Accuracy Word Clock : Int 44.1 kHz 50ppm Word Clock : Int 48 kHz Jitter Word Clock : Int 44.1 kHz 5ns Word Clock : Int 48 kHz M7CL-32/M7CL-48

39、9 4. Other Functions Libraries Input Function Output Function Output Port Processor NameNumberTotal Scene MemoryPreset 1 + User 300301 Input EQ LibraryPreset 40 + User 159199 Output EQ LibraryPreset 3 + User 196199 Dynamics LibraryPreset 41 + User 158199 Effect LibraryUser 199199 GEQ LibraryPreset 1

40、 + User 199200 FunctionParameter PhaseNormal/Reverse Attenuator96 to +24 dB HPF Slope= 12 dB/Oct Frequency= 20 Hz to 600 Hz 4 Band Equal- izer Frequency= 20 Hz to 20 kHz Gain= 18 dB to +18 dB Q= 0.10 to 10.0 Low Shelving (Low Band) High Shelving, LPF (High Band) Type I/Type II InsertInsert Point: Pr

41、e EQ/Pre Fader Direct OutDirect Out Point: Pre HPF/Pre EQ Dynamics 1 Type: Gate/Ducking/Comp/Expander Threshold= 54 dB to 0 dB Ratio= 1:1 to : 1 Attack= 0 msec to 120 msec Hold= 0.02 msec to 1.96 sec Decay= 5 msec to 42.3 sec (Release) Releace= 5 msec to 42.3 sec Range= 70 dB to 0 dB Gain= 18 dB to

42、0 dB, 0 dB to +18 dB Knee= Hard to 5 (soft) Key In: Self Pre EQ/Self Post EQ/Mix Out 13-16 Ch 1-ST IN 4R (8ch block) Key In Filter: HPF/LPF/BPF Dynamics 2 Type: Comp/De-Esser/Compander H/Com- pander S Threshold= 54 dB to 0 dB Ratio= 1:1 to : 1 Attack= 0 msec to 120 msec Release= 5 msec to 42.3 sec G

43、ain= 18 dB to 0 dB, 0 dB to +18 dB Knee= Hard to 5 (soft) Key In: Self Pre EQ/Self Post EQ/Mix Out 13-16 Ch 1-ST IN 4R (8ch block) FaderLevel: 1024 steps, , 138 dB to +10 dB OnOn/Off DCA Group8 Groups Mute Group8 Groups Mix Send 16 sends Fix/Variable can be set each two mixes Mix Send Point: Pre EQ/

44、Pre Fader/Post On Level: 1024 steps, , 138 dB to +10 dB Matrix Send 8 Sends Matrix Send Point: Pre EQ/Pre Fader/Post On Level: 1024 steps, , 138 dB to +10 dB LCR PanCSR= 0 % to 100 % FunctionParameter Attenuator96 to +24 dB 4 Band Equalizer Frequency= 20 Hz to 20 kHz Gain= 18 dB to +18 dB Q= 0.10 to

45、 10.0 Low Shelving (Low Band) High Shelving, LPF (High Band) Type I/Type II InsertInsert Point: Pre EQ/Post EQ/Pre Fader/Post On Dynamics 1 Type: Comp/Expander/Compander H/Com- pander S Threshold= 54 dB to 0 dB Ratio= 1:1 to :1 Attack= 0 msec to 120 msec Release= 5 msec to 42.3 sec Gain= 18 dB to 0

46、dB, 0 dB to + 18 dB Knee= Hard to 5 (soft) Key In: Self Pre EQ/Self Post EQ/Mix Out 13-16 MIX 1-16/MTRX 1-8/ST IN LR/MONO(C) (8ch block) FaderLevel: 1024 steps, , 138 dB to +10 dB OnOn/Off Mute Group8 Groups Mix to Matrix Stereo to Matrix Matrix Send Point: Pre Fader/Post On Level: 1024 steps, , 138

47、 dB to +10 dB Oscillator Level= 0 to 96dB (1 dB step) On/Off= Software control FunctionParameter Out Port Delay0 msec to 600 msec Out Port PhaseNormal/Reverse Attenuator96 to +24 dB FunctionParameter GEQ31 bands x 4(8) systems EffectsStereo In/Stereo Out multi effector x 4 systems （他機能） M7CL-32/M7CL

48、-48 10 CONNECTOR PIN ASSIGNMENTS REMOTE DC POWER INPUT PinSignal NamePinSignal Name 1GND6RX+ 2RX7RTS 3TX8CTS 4TX+9GND 5N.C 5 9 1 6 PinSignal NamePinSignal Name 1+24V13GND 2+24V14GND 3+24V15GND 4+24V16GND 5+24V17GND 6+24V18GND 7+24V19CAUTION(+) 8+24V20CAUTION() 9+24V21DETECT A 10GND22DETECT B 11GND23DETECT GND 12GNDFrame GND 1234 56789 10111213